diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..8f87eca --- /dev/null +++ b/.dockerignore @@ -0,0 +1,16 @@ +** +!cdc/ +!cdc/*.go +!cdc/go.mod +!cdc/go.sum +!processor/ +!processor/*.go +!processor/go.mod +!processor/go.sum +!server/ +!server/*.go +!server/go.mod +!server/go.sum +!local-entrypoint.sh +!Dockerfile +!local_config.py diff --git a/.env.sample b/.env.sample deleted file mode 100644 index 7f329c7..0000000 --- a/.env.sample +++ /dev/null @@ -1,29 +0,0 @@ -BEMIDB_PORT=54321 -BEMIDB_DATABASE=bemidb -BEMIDB_USER= -BEMIDB_PASSWORD= -BEMIDB_HOST=127.0.0.1 -BEMIDB_INIT_SQL=./init.sql -BEMIDB_LOG_LEVEL=INFO - -# Local storage -BEMIDB_STORAGE_TYPE=LOCAL -BEMIDB_STORAGE_PATH=./iceberg - -# S3 storage -# BEMIDB_STORAGE_TYPE=S3 -# BEMIDB_STORAGE_PATH=iceberg -# AWS_REGION=us-west-1 -# AWS_ENDPOINT=s3.amazonaws.com -# AWS_S3_BUCKET=[REPLACE_ME] -# AWS_ACCESS_KEY_ID=[REPLACE_ME] -# AWS_SECRET_ACCESS_KEY=[REPLACE_ME] - -# BEMIDB_DISABLE_ANONYMOUS_ANALYTICS=true - -# Postgres syncing -PG_DATABASE_URL=postgres://[USER]:[PASSWORD]@localhost:5432/[DATABASE] -# PG_SYNC_INTERVAL=1h -# PG_SCHEMA_PREFIX=mydb_ -# PG_INCLUDE_TABLES=public.users,public.posts -# PG_EXCLUDE_TABLES=public.logs diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml deleted file mode 100644 index 7de6c7d..0000000 --- a/.github/workflows/build.yml +++ /dev/null @@ -1,28 +0,0 @@ -name: Build - -on: - push: - branches: ['**'] - pull_request: - branches: ['**'] - -jobs: - test: - name: Test - runs-on: ubuntu-latest - steps: - - name: Checkout Code - uses: actions/checkout@v4 - - - name: Set Up Go - uses: actions/setup-go@v5 - with: - go-version: '1.24.3' - - - name: Install Dependencies - run: go get . - working-directory: ./src - - - name: Run Tests - run: go test -v ./... - working-directory: ./src diff --git a/.github/workflows/image.yml b/.github/workflows/image.yml new file mode 100644 index 0000000..e7a5853 --- /dev/null +++ b/.github/workflows/image.yml @@ -0,0 +1,115 @@ +name: Test and release +on: + push: + branches: [main] + pull_request: + release: + types: [published] + workflow_dispatch: +permissions: + contents: read +concurrency: + group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }} + cancel-in-progress: ${{ github.event_name != 'release' }} +jobs: + test: + runs-on: ubuntu-24.04 + timeout-minutes: 20 + strategy: + fail-fast: false + matrix: + module: [cdc, processor, server] + steps: + - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4 + with: + persist-credentials: false + - uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5 + with: + go-version: '1.26' + cache-dependency-path: '${{ matrix.module }}/go.sum' + - run: go vet ./... && go test ./... + working-directory: ${{ matrix.module }} + config-checks: + runs-on: ubuntu-24.04 + timeout-minutes: 5 + steps: + - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4 + with: + persist-credentials: false + - run: sudo apt-get update && sudo apt-get install -y python3-yaml jq shellcheck + - run: /usr/bin/python3 -m unittest discover -p 'test_local_config.py' + - run: shellcheck local-entrypoint.sh tests/smoke.sh + container: + needs: [test, config-checks] + timeout-minutes: 45 + strategy: + fail-fast: false + matrix: + include: + - runner: ubuntu-24.04 + arch: amd64 + - runner: ubuntu-24.04-arm + arch: arm64 + runs-on: ${{ matrix.runner }} + steps: + - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4 + with: + persist-credentials: false + - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3 + - uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6 + with: + context: . + load: true + tags: pgstack:test + cache-from: type=gha,scope=${{ matrix.arch }} + cache-to: type=gha,mode=max,scope=${{ matrix.arch }} + - run: bash tests/smoke.sh pgstack:test + publish: + if: github.event_name == 'release' + needs: container + runs-on: ubuntu-24.04 + timeout-minutes: 60 + permissions: + contents: read + packages: write + steps: + - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4 + with: + persist-credentials: false + - uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3 + - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3 + - uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3 + with: + registry: ghcr.io + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} + - uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5 + id: meta + with: + images: ghcr.io/pgstack-io/pgstack + flavor: latest=false + tags: | + type=ref,event=tag + type=semver,pattern={{version}} + type=raw,value=latest,enable=${{ !github.event.release.prerelease }} + - uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6 + with: + context: . + platforms: linux/amd64,linux/arm64 + push: true + tags: ${{ steps.meta.outputs.tags }} + labels: ${{ steps.meta.outputs.labels }} + provenance: mode=max + sbom: true + cache-from: | + type=gha,scope=amd64 + type=gha,scope=arm64 + - name: Verify anonymous image access + env: + IMAGE_TAG: ${{ github.event.release.tag_name }} + run: | + docker logout ghcr.io + if ! docker buildx imagetools inspect "ghcr.io/pgstack-io/pgstack:${IMAGE_TAG}"; then + echo "Set the GHCR package visibility to public, then verify an anonymous pull." >&2 + exit 1 + fi diff --git a/.gitignore b/.gitignore index 109ec6c..40d36a4 100644 --- a/.gitignore +++ b/.gitignore @@ -1,12 +1,7 @@ -/iceberg -/iceberg-test -/src/iceberg -/src/iceberg-test -.DS_Store -.vscode .env -/benchmark/tpch-kit -/benchmark/data/*.tbl -/build -bemidb -/src/__debug* +.env.* +!.env.example +.devbox/ +.DS_Store +*.log +__pycache__/ diff --git a/CHANGELOG.md b/CHANGELOG.md deleted file mode 100644 index 0a99310..0000000 --- a/CHANGELOG.md +++ /dev/null @@ -1,3 +0,0 @@ -# Changelog - -Please see [Releases](https://github.com/BemiHQ/BemiDB/releases). diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 0000000..448fb05 --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,15 @@ +# Contributing + +Bug reports and focused pull requests are welcome. Include a minimal reproduction, source Postgres version, PgStack version, and redacted logs. Never include database credentials, API keys, or customer data. + +The repository contains three Go modules: + +- `cdc`: Postgres logical replication and initial Search snapshots. +- `processor`: Audit storage and Search indexing. +- `server`: SQL compatibility, query execution, and authentication. + +Use `make test` and `make lint` with Devbox, then `make build` to check the complete local image. Add regression tests for behavior changes. Keep fixtures synthetic. Document public configuration changes in the README and preserve the simple local quickstart. + +BemiDB 1.x history remains available in Git. PgStack 2.x is a new runtime and configuration; do not assume compatibility with old deployment instructions or storage layouts. + +Contributions are provided under the repository's AGPL-3.0 license. diff --git a/Dockerfile b/Dockerfile index 2ae9c01..d7b881d 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,23 +1,60 @@ -ARG PLATFORM -ARG GOOS -ARG GOARCH +FROM golang:1.26-bookworm AS go-builder -FROM --platform=$PLATFORM golang:1.24.3 AS builder +WORKDIR /src -WORKDIR /app +COPY cdc/ ./cdc/ +COPY processor/ ./processor/ +COPY server/ ./server/ + +RUN --mount=type=cache,target=/go/pkg/mod \ + --mount=type=cache,target=/root/.cache/go-build \ + cd cdc && CGO_ENABLED=1 go build -mod=readonly -trimpath -ldflags="-s -w" -o /out/cdc . && \ + cd ../processor && CGO_ENABLED=1 go build -mod=readonly -trimpath -ldflags="-s -w" -o /out/processor . && \ + cd ../server && CGO_ENABLED=1 go build -mod=readonly -trimpath -ldflags="-s -w" -o /out/server . + +################################################################################ -COPY src/go.mod src/go.sum ./ -RUN go mod download +FROM nats:2.11.8 AS nats-server -COPY src/ . -RUN CGO_ENABLED=1 GOOS=$GOOS GOARCH=$GOARCH go build -o /app/bemidb +################################################################################ + +FROM natsio/nats-box:0.19.7 AS nats-box ################################################################################ -FROM --platform=$PLATFORM debian:bookworm-slim +FROM rclone/rclone:1.74.2 AS rclone + +################################################################################ +FROM debian:bookworm-slim + +RUN apt-get update && \ + apt-get install -y --no-install-recommends ca-certificates libstdc++6 postgresql-client tini jq python3-yaml && \ + rm -rf /var/lib/apt/lists/* + +RUN useradd --create-home --uid 10001 app && \ + mkdir -p /app/bin /var/lib/pgstack && \ + chown -R app:app /app /var/lib/pgstack + +COPY --from=nats-server /nats-server /usr/local/bin/nats-server +COPY --from=nats-box /usr/local/bin/nats /usr/local/bin/nats +COPY --from=rclone /usr/local/bin/rclone /usr/local/bin/rclone +COPY --from=go-builder /out/cdc /app/bin/cdc +COPY --from=go-builder /out/processor /app/bin/processor +COPY --from=go-builder /out/server /app/bin/server +COPY --chown=app:app local-entrypoint.sh /app/local-entrypoint.sh + +COPY --chown=app:app local_config.py /app/local_config.py + +USER app WORKDIR /app -COPY --from=builder /app/bemidb /app/bemidb +LABEL org.opencontainers.image.title="PgStack" \ + org.opencontainers.image.source="https://github.com/pgstack-io/pgstack" \ + org.opencontainers.image.licenses="AGPL-3.0" + +ENV PGHOST=127.0.0.1 PGPORT=54321 PGDATABASE=pgstack PGUSER=pgstack + +EXPOSE 54321 -ENTRYPOINT ["/app/bemidb"] +ENTRYPOINT ["/usr/bin/tini", "-g", "--", "/app/local-entrypoint.sh"] diff --git a/Makefile b/Makefile index 63a934d..1432018 100644 --- a/Makefile +++ b/Makefile @@ -1,95 +1,18 @@ -sh: - devbox --env-file .env shell +IMAGE ?= ghcr.io/pgstack-io/pgstack:local -install: - devbox run "cd src && go mod tidy" - -up: - devbox run --env-file .env "cd src && go run ." - -.PHONY: build +.PHONY: build test lint build: - rm -rf build/bemidb-* && \ - devbox run "./scripts/build-darwin.sh" && \ - ./scripts/build-linux.sh - -build-local: - rm -rf build/bemidb-* && \ - cd src && go build -o ../build/bemidb-darwin-arm64 - -publish: - ./scripts/publish-docker.sh - -sync: - devbox run --env-file .env "cd src && go run . sync" + docker build -t $(IMAGE) . test: - devbox run "cd src && go test ./..." - -test-function: - devbox run "cd src && go test ./... -run $(FUNC)" - -debug: - devbox run "cd src && dlv test github.com/BemiHQ/BemiDB" + devbox run "cd cdc && go test ./... && cd ../processor && go test ./... && cd ../server && go test ./..." lint: - devbox run "cd src && go fmt && deadcode . && staticcheck ." - -console: - devbox run "cd src && gore" - -outdated: - devbox run "cd src && go list -u -m -f '{{if and .Update (not .Indirect)}}{{.}}{{end}}' all" - -.PHONY: benchmark -benchmark: - devbox run "time psql postgres://127.0.0.1:54321/bemidb < ./benchmark/queries.sql" - -pg-init: - devbox run initdb && \ - sed -i "s/#log_statement = 'none'/log_statement = 'all'/g" ./.devbox/virtenv/postgresql/data/postgresql.conf && \ - sed -i "s/#logging_collector = off/logging_collector = on/g" ./.devbox/virtenv/postgresql/data/postgresql.conf && \ - sed -i "s/#log_directory = 'log'/log_directory = 'log'/g" ./.devbox/virtenv/postgresql/data/postgresql.conf - -pg-up: - devbox services start postgresql - -pg-create: - devbox run "(dropdb tpch || true) && \ - createdb tpch && \ - ./benchmark/scripts/load-pg-data.sh" - -pg-index: - devbox run "psql postgres://127.0.0.1:5432/tpch -f ./benchmark/data/create-indexes.ddl" - -pg-benchmark: - devbox run "psql postgres://127.0.0.1:5432/tpch -c 'ANALYZE VERBOSE' && \ - time psql postgres://127.0.0.1:5432/tpch < ./benchmark/queries.sql" - -pg-down: - devbox services stop postgresql - -pg-logs: - tail -f .devbox/virtenv/postgresql/data/log/postgresql-*.log - -pg-sniff: - sudo tshark -i lo0 -f 'tcp port 5432' -d tcp.port==5432,pgsql -O pgsql - -tpch-install: - devbox run "cd benchmark && \ - rm -rf tpch-kit && \ - git clone https://github.com/gregrahn/tpch-kit.git && \ - cd tpch-kit/dbgen && \ - make MACHINE=$$MACHINE DATABASE=POSTGRESQL" - -tpch-generate: - devbox run "./benchmark/scripts/generate-data.sh" - -sniff: - sudo tshark -i lo0 -f 'tcp port 54321' -d tcp.port==54321,pgsql -O pgsql + devbox run "cd cdc && go vet ./... && cd ../processor && go vet ./... && cd ../server && go vet ./..." -measure-mem: - devbox run "./benchmark/scripts/measure-memory.sh" +.PHONY: test-config test-container +test-config: + python3 -m unittest discover -p 'test_local_config.py' -profile-mem: - devbox run "watch -n 1 go tool pprof -top http://localhost:6060/debug/pprof/heap" +test-container: + bash tests/smoke.sh "$(IMAGE)" diff --git a/README.md b/README.md index 5d61159..d39d9c3 100644 --- a/README.md +++ b/README.md @@ -1,591 +1,217 @@ -# BemiDB +# PgStack -BemiDB is a Postgres read replica optimized for analytics. -It consists of a single binary that seamlessly connects to a Postgres database, replicates the data in a compressed columnar format, and allows you to run complex queries using its Postgres-compatible analytical query engine. +**PgStack** is Postgres read replicas for Search and Audit. -![BemiDB](/img/BemiDB.gif) +- **Search**: a search-optimized replica for semantic, keyword, and hybrid retrieval. +- **Audit**: a history of row changes for automatic data change tracking. + +PgStack replicates your data while your existing Postgres remains the source of truth. Indexing and queries run outside your application database through a separate Postgres-compatible endpoint. + +Run with one Docker command, or use [PgStack Cloud](https://pgstack.io/) for managed production workloads. ## Contents - [Highlights](#highlights) -- [Use cases](#use-cases) +- [Use Cases](#use-cases) - [Quickstart](#quickstart) -- [Configuration](#configuration) +- [Usage](#usage) + - [Audit](#audit) + - [Search](#search) + - [Configuration](#configuration) - [Architecture](#architecture) -- [Benchmark](#benchmark) -- [Data type mapping](#data-type-mapping) -- [Alternatives](#alternatives) -- [Development](#development) +- [OSS vs Cloud](#oss-vs-cloud) - [License](#license) ## Highlights -- **Performance**: runs analytical queries up to 2000x faster than Postgres. -- **Single Binary**: consists of a single binary that can be run on any machine. -- **Postgres Replication**: automatically syncs data from Postgres databases. -- **Compressed Data**: uses an open columnar format for tables with 4x compression. -- **Scalable Storage**: storage is separated from compute and supports a local disk or S3. -- **Query Engine**: leverages a query engine optimized for analytical workloads. -- **Postgres-Compatible**: integrates with services and tools in the Postgres ecosystem. -- **Open-Source**: released under an OSI-approved license. +- **Specialized Replicas**: continuously synchronized, with Search and Audit isolated from OLTP workloads. +- **Easy Setup**: starts in a single container with your database URL. +- **Postgres Compatibility**: integrates with clients and tools in the Postgres ecosystem. +- **Open-Source**: released under the OSI-approved AGPL-3.0 license. -## Use cases +## Use Cases -- **Run complex analytical queries like it's your Postgres database**. Without worrying about performance impact and indexing. -- **Simplify your data stack down to a single binary**. No complex setup, no data movement, no weird acronyms like CDC, ETL, DW. -- **Integrate with Postgres-compatible tools and services**. Querying and visualizing data with BI tools, notebooks, and ORMs. -- **Automatically centralize all data in a data lakehouse**. Using Iceberg tables with Parquet data files in object storage. -- **Continuously archive data from your Postgres database**. Keeping and querying historical data without affecting the main database. +- **Search** + - **Product Search**: find relevant information across operational records and knowledge bases. + - **AI and RAG Retrieval**: retrieve current application data as context for AI agents and assistants. + - **Duplicate Detection**: surface related tickets, issues, and requests expressed in different words. + - **Find Similar**: discover related companies, people, jobs, articles, and other application records. +- **Audit** + - **Audit Trails and Compliance**: track record changes to support data audits and compliance reviews. + - **Troubleshooting**: investigate unexpected data issues and understand how your data changed. + - **Selective Data Recovery**: identify previous values to recover updated or deleted records. + - **Customer Activity Feeds**: turn data changes into activity feeds in your product. ## Quickstart -Install BemiDB: - -```sh -curl -sSL https://raw.githubusercontent.com/BemiHQ/BemiDB/refs/heads/main/scripts/install.sh | bash -``` - -Sync data from a Postgres database: - -```sh -./bemidb --pg-database-url postgres://postgres:postgres@localhost:5432/dbname sync -``` - -Then run BemiDB database: - -```sh -./bemidb start -``` - -Run Postgres queries on top of the BemiDB database: - -```sh -# List all tables -psql postgres://localhost:54321/bemidb -c "SELECT table_schema, table_name FROM information_schema.tables" - -# Query a table -psql postgres://localhost:54321/bemidb -c "SELECT COUNT(*) FROM [table_name]" -``` - - -
-Running in a Docker container - -```sh -# Download the latest Docker image -docker pull ghcr.io/bemihq/bemidb:latest - -# Sync data from a Postgres database -docker run \ - -e PG_DATABASE_URL=postgres://postgres:postgres@host.docker.internal:5432/dbname \ - ghcr.io/bemihq/bemidb:latest sync - -# Start the BemiDB database -docker run ghcr.io/bemihq/bemidb:latest start -``` -
- - -
-Running in a Kubernetes cluster - -You can run 2 deployments in parallel, one for data syncing from a Postgres database and another for running the BemiDB database. - -In that case, you'd need to set up a shared volume or a shared S3 bucket between the two deployments for Iceberg data. -See the [Configuration](#configuration) section for more details. - -```yaml -apiVersion: apps/v1 -kind: Deployment -metadata: - name: bemidb-sync - namespace: default - labels: - app.kubernetes.io/name: bemidb-sync -spec: - replicas: 1 - template: - metadata: - labels: - app.kubernetes.io/name: bemidb-sync - spec: - containers: - - name: bemidb - image: ghcr.io/bemihq/bemidb:latest - command: ["sync"] - env: - - name: PG_DATABASE_URL - value: "postgres://postgres:postgres@postgres-host:5432/dbname" - - name: PG_SYNC_INTERVAL - value: "1h" - ... -``` - -```yaml -apiVersion: apps/v1 -kind: Deployment -metadata: - name: bemidb-start - namespace: default - labels: - app.kubernetes.io/name: bemidb-start -spec: - replicas: 1 - template: - metadata: - labels: - app.kubernetes.io/name: bemidb-start - spec: - containers: - - name: bemidb - image: ghcr.io/bemihq/bemidb:latest - command: ["start"] - ... -``` - -
- -## Configuration - -### Storage configuration - -#### Local disk storage - -By default, BemiDB stores data on the local disk. -Here is an example of running BemiDB with default settings and storing data in a local `iceberg` directory: - -```sh -./bemidb \ - --storage-type LOCAL \ - --storage-path ./iceberg \ # Data stored in ./iceberg/* - start -``` - -#### S3 block storage +Use a development Postgres database and a superuser connection for automatic setup. Check logical replication with: -BemiDB natively supports S3 storage. You can specify the S3 settings using the following flags: - -```sh -./bemidb \ - --storage-type S3 \ - --storage-path iceberg \ # Data stored in s3://[AWS_S3_BUCKET]/iceberg/* - --aws-region [AWS_REGION] \ - --aws-s3-bucket [AWS_S3_BUCKET] \ - --aws-access-key-id [AWS_ACCESS_KEY_ID] \ - --aws-secret-access-key [AWS_SECRET_ACCESS_KEY] \ - start -``` - - -
-AWS IAM policy example - -Here is the minimal IAM policy required for BemiDB to work with S3: - -```json -{ - "Version": "2012-10-17", - "Statement": [ - { - "Sid": "VisualEditor0", - "Effect": "Allow", - "Action": [ - "s3:PutObject", - "s3:GetObject", - "s3:ListBucket", - "s3:DeleteObject" - ], - "Resource": [ - "arn:aws:s3:::[AWS_S3_BUCKET]", - "arn:aws:s3:::[AWS_S3_BUCKET]/*" - ] - } - ] -} +```sql +SHOW wal_level; ``` -
- - -
-MinIO object storage example -BemiDB can work with various S3-compatible object storage solutions, such as MinIO. +If the result is not `logical`, enable it and restart Postgres: -1. You can run MinIO locally: - -```sh -minio server ./minio-data -# API: http://192.168.68.102:9000 http://127.0.0.1:9000 -# RootUser: minioadmin -# RootPass: minioadmin -# WebUI: http://192.168.68.102:65218 http://127.0.0.1:65218 -# RootUser: minioadmin -# RootPass: minioadmin +```sql +ALTER SYSTEM SET wal_level = 'logical'; ``` -2. Open the MinIO WebUI and create a bucket, for example, `bemidb-bucket`. - -3. Run BemiDB with the following command: +Start PgStack with your database URL: ```sh -./bemidb \ - --storage-type S3 \ - --storage-path iceberg \ - --aws-s3-bucket bemidb-bucket \ - --aws-s3-endpoint 127.0.0.1:9000 \ - --aws-region us-east-1 \ - --aws-access-key-id minioadmin \ - --aws-secret-access-key minioadmin \ - sync +docker run --rm --name pgstack \ + -p 54321:54321 \ + -e DATABASE_URL='postgres://postgres:postgres@host.docker.internal:5432/postgres' \ + ghcr.io/pgstack-io/pgstack:latest ``` -
+On Docker Desktop, `host.docker.internal` points to your computer. On Linux Docker Engine, add `--add-host=host.docker.internal:host-gateway` to make that name resolve to the host gateway. For a remote database, use its reachable hostname. URL-encode reserved characters in the source password. -### Syncing configuration +The image supports Linux amd64 and arm64, including Apple Silicon. `latest` tracks stable [releases](https://github.com/pgstack-io/pgstack/releases). -#### Periodic data syncing +## Usage -To sync data periodically from a Postgres database: - -```sh -./bemidb \ - --pg-sync-interval 1h \ # Supported units: h, m, s - --pg-database-url postgres://postgres:postgres@localhost:5432/dbname \ - sync -``` +### Audit -To check when a table was last synced, you can use the `bemidb_last_synced_at` function. For example: +Audit is enabled by default. It records changes made while PgStack is running. After changing a row in your source database, connect to the PgStack server running on port `54321` from another terminal on your host: ```sh -# Check when a table was last synced -psql postgres://localhost:54321/bemidb -c \ - "SELECT bemidb_last_synced_at('public.users')" - -# Check how long ago a table was last synced -psql postgres://localhost:54321/bemidb -c \ - "SELECT ROUND(EXTRACT(EPOCH FROM age(bemidb_last_synced_at('public.users'))) / 60) AS synced_minutes_ago" +psql 'postgres://localhost:54321/pgstack' ``` -#### Selective table syncing - -By default, BemiDB syncs all tables from the Postgres database. To include and sync only specific tables from your Postgres database: - -```sh -./bemidb \ - --pg-include-tables public.billing_*,public.users \ # A comma-separated list of tables to include, supports wildcards (*) - --pg-database-url postgres://postgres:postgres@localhost:5432/dbname \ - sync -``` +Query `audit.changes`: -To exclude specific tables during the sync: +```sql +-- Inspect changes to one table. +SELECT operation, before, after, committed_at +FROM audit.changes +WHERE schema = 'public' AND "table" = 'products' +ORDER BY committed_at DESC +LIMIT 50; -```sh -./bemidb \ - --pg-exclude-tables public.*_logs,public.cache \ # A comma-separated list of tables to exclude, supports wildcards (*) - --pg-database-url postgres://postgres:postgres@localhost:5432/dbname \ - sync +-- Filter on values captured in the changed row. +SELECT operation, after->>'name' AS name, committed_at +FROM audit.changes +WHERE after->>'name' ILIKE '%jacket%' +ORDER BY committed_at DESC; ``` -Note: if a table matches both `--pg-include-tables` and `--pg-exclude-tables`, it will be excluded. +### Search -For example, to include all tables in the `public` schema except for the `public.cache` table: +Search works with tables that have primary keys. Save this as `pgstack.yaml`, changing the table and columns to match your database: -```sh -./bemidb \ - --pg-include-tables public.* \ # Include all tables in the public schema - --pg-exclude-tables public.cache \ # Except for the public.cache table - --pg-database-url postgres://postgres:postgres@localhost:5432/dbname \ - sync +```yaml +# Search only. Set audit.enabled to true to also capture change history. +audit: + enabled: false +search: + enabled: true + tables: + - name: public.products + indexColumns: [name, description] + storeColumns: [id, name, description] ``` -#### Incremental data syncing +`indexColumns` provide the text to search. `storeColumns` are returned by queries and available for filtering; include primary-key columns to return them in results. Source names become Search names such as `public.products` → `search.public_products`. -By default, BemiDB performs a full refresh of the table data during each sync. -For large tables, you can enable incremental syncing to only refresh the rows that have been inserted or updated since the last sync: +Mount your configuration when starting the container: ```sh -./bemidb \ - --pg-include-tables * \ # Sync all tables with a full refresh - --pg-incrementally-refreshed-tables public.transactions \ # Refresh only the public.transactions table incrementally - --pg-database-url postgres://postgres:postgres@localhost:5432/dbname \ - sync +docker run --rm --name pgstack \ + -p 54321:54321 \ + -e DATABASE_URL='postgres://postgres:postgres@host.docker.internal:5432/postgres' \ + --mount type=bind,src="$PWD/pgstack.yaml",dst=/app/pgstack.yaml,readonly \ + ghcr.io/pgstack-io/pgstack:latest ``` -Note: incremental refresh is currently limited to INSERT/UPDATE-modified tables and doesn't detect DELETEd rows. -I.e., in BemiDB, these tables become append-only. - -#### Sharded data syncing - -BemiDB allows running multiple sync processes independently, each responsible its own set of tables ("shards") from the same Postgres database: +Existing rows are indexed at startup, and subsequent changes keep the index current. Once indexing completes, connect to the PgStack server running on port `54321` from another terminal on your host: ```sh -./bemidb \ - --pg-include-tables public.table1,public.table2 \ - --pg-preserve-unsynced \ # Don't delete the existing tables in BemiDB that are not part of this sync (public.table3 and public.table4) - --pg-database-url postgres://postgres:postgres@localhost:5432/dbname \ - sync - -./bemidb \ - --pg-include-tables public.table3,public.table4 \ - --pg-preserve-unsynced \ # Don't delete the existing tables in BemiDB that are not part of this sync (public.table1 and public.table2) - --pg-database-url postgres://postgres:postgres@localhost:5432/dbname \ - sync +psql 'postgres://localhost:54321/pgstack' ``` -#### Syncing from multiple Postgres databases +Search with BM25 keyword ranking: -BemiDB supports syncing data from multiple Postgres databases into the same BemiDB database by allowing prefixing schemas. - -For example, if two Postgres databases `db1` and `db2` contain `public` schemas, you can prefix them as follows: - -```sh -./bemidb \ - --pg-schema-prefix db1_ \ # Prefix all db1 database schemas with db1_ - --pg-preserve-unsynced \ # Don't delete db2 schemas in BemiDB - --pg-database-url postgres://postgres:postgres@localhost:5432/db1 \ - sync - -./bemidb \ - --pg-schema-prefix db2_ \ # Prefix all db2 database schemas with db2_ - --pg-preserve-unsynced \ # Don't delete db1 schemas in BemiDB - --pg-database-url postgres://postgres:postgres@localhost:5432/db2 \ - sync +```sql +SELECT id, name FROM search.public_products +ORDER BY keyword_rank('rain jacket') LIMIT 10; ``` -Then you can query and join tables from both Postgres databases in the same BemiDB database: +For semantic and hybrid search, add `-e OPENAI_API_KEY` to `docker run`. Without a key, indexing stays keyword-only and makes no embedding API calls. -```sh -./bemidb start +```sql +-- Find related meaning. +SELECT id, name FROM search.public_products +ORDER BY semantic_rank('something for wet weather') LIMIT 10; -psql postgres://localhost:54321/bemidb -c \ - "SELECT * FROM db1_public.[TABLE] JOIN db2_public.[TABLE] ON ..." +-- Combine semantic and keyword relevance. +SELECT id, name FROM search.public_products +ORDER BY hybrid_rank('waterproof rain jacket') LIMIT 10; ``` -### Configuration options - -#### `sync` command options - -| CLI argument | Environment variable | Default value | Description | -|---------------------------------------|-------------------------------------|---------------|----------------------------------------------------------------------------------------------------------------------------------------------------------| -| `--pg-database-url` | `PG_DATABASE_URL` | Required | PostgreSQL database URL to sync | -| `--pg-sync-interval` | `PG_SYNC_INTERVAL` | | Interval between syncs. Valid units: `h`, `m`, `s` | -| `--pg-exclude-tables` | `PG_EXCLUDE_TABLES` | | List of tables to exclude from sync. Comma-separated `schema.table`. May contain wildcards (`*`) | -| `--pg-include-tables` | `PG_INCLUDE_TABLES` | | List of tables to include in sync. Comma-separated `schema.table`. May contain wildcards (`*`) | -| `--pg-incrementally-refreshed-tables` | `PG_INCREMENTALLY_REFRESHED_TABLES` | | List of tables to refresh incrementally, currently limited to INSERT/UPDATE-modified tables. Comma-separated `schema.table`. May contain wildcards (`*`) | -| `--pg-schema-prefix` | `PG_SCHEMA_PREFIX` | | Prefix for PostgreSQL schema names | -| `--pg-preserve-unsynced` | `PG_PRESERVE_UNSYNCED` | `false` | Do not delete the existing tables in BemiDB that are not part of the sync | - -#### `start` command options +Rankings sort best matches first. Use stored columns in `WHERE` filters. With semantic indexing enabled, indexed text and semantic/hybrid queries are sent to OpenAI's `text-embedding-3-small`, billed to your account. Restarting rebuilds the index and can incur embedding charges again. -| CLI argument | Environment variable | Default value | Description | -|---------------|----------------------|---------------|----------------------------------------| -| `--host` | `BEMIDB_HOST` | `127.0.0.1` | Host for BemiDB to listen on | -| `--port` | `BEMIDB_PORT` | `54321` | Port for BemiDB to listen on | -| `--database` | `BEMIDB_DATABASE` | `bemidb` | Database name | -| `--user` | `BEMIDB_USER` | | Database user. Allows any if empty | -| `--password` | `BEMIDB_PASSWORD` | | Database password. Allows any if empty | +### Configuration -#### Storage options +Use an optional `pgstack.yaml` file, mounted as shown in the Search example. Without it, Audit is enabled and Search is disabled. Enable either feature or both; Search requires at least one configured table when enabled. Invalid configuration is rejected before source setup. See [pgstack.example.yaml](pgstack.example.yaml). -| CLI argument | Environment variable | Default value | Description | -|---------------------------|-------------------------|---------------------------------|----------------------------------------------------------------------------------------------------------| -| `--storage-type` | `BEMIDB_STORAGE_TYPE` | `LOCAL` | Storage type: `LOCAL` or `S3` | -| `--storage-path` | `BEMIDB_STORAGE_PATH` | `iceberg` | Path to the storage folder | -| `--aws-s3-endpoint` | `AWS_S3_ENDPOINT` | `s3.amazonaws.com` | AWS S3 endpoint | -| `--aws-region` | `AWS_REGION` | Required with `S3` storage type | AWS region | -| `--aws-s3-bucket` | `AWS_S3_BUCKET` | Required with `S3` storage type | AWS S3 bucket name | -| `--aws-access-key-id` | `AWS_ACCESS_KEY_ID` | | AWS access key ID. If empty, tries to fetch AWS SDK credentials in this order: config file, STS, SSO | -| `--aws-secret-access-key` | `AWS_SECRET_ACCESS_KEY` | | AWS secret access key. If empty, tries to fetch AWS SDK credentials in this order: config file, STS, SSO | - -#### Other options - -| CLI argument | Environment variable | Default value | Description | -|--------------------------------|--------------------------------------|---------------|-------------------------------------------------------------------------| -| `--log-level` | `BEMIDB_LOG_LEVEL` | `INFO` | Log level: `ERROR`, `WARN`, `INFO`, `DEBUG`, `TRACE` | -| `--disable-anonymous-analytics`| `BEMIDB_DISABLE_ANONYMOUS_ANALYTICS` | `false` | Disable collection of anonymous usage metadata (OS type, database host) | - -Note: CLI arguments take precedence over environment variables. I.e. you can override the environment variables with CLI arguments. +| Variable | Required | Purpose | +| --- | --- | --- | +| `DATABASE_URL` | Yes | Source Postgres connection URL | +| `OPENAI_API_KEY` | No | Embedding generation for semantic and hybrid search | +| `PGSTACK_PASSWORD` | No | SCRAM authentication for the SQL endpoint | ## Architecture -BemiDB consists of the following main components: - -- **Database Server**: implements the [Postgres protocol](https://www.postgresql.org/docs/current/protocol.html) to enable Postgres compatibility. -- **Query Engine**: embeds the [DuckDB](https://duckdb.org/) query engine to run analytical queries. -- **Storage Layer**: uses the [Iceberg](https://iceberg.apache.org/) table format to store data in columnar compressed Parquet files. -- **Postgres Connector**: connects to a Postgres databases to sync tables' schema and data. - -Architecture - -## Benchmark - -BemiDB is optimized for analytical workloads and can run complex queries up to 2000x faster than Postgres. - -On the TPC-H benchmark with 22 sequential queries, BemiDB outperforms Postgres by a significant margin: - -* Scale factor: 0.1 - * BemiDB unindexed: 2.3s 👍 - * Postgres unindexed: 1h23m13s 👎 (2,170x slower) - * Postgres indexed: 1.5s 👍 (99.97% bottleneck reduction) -* Scale factor: 1.0 - * BemiDB unindexed: 25.6s 👍 - * Postgres unindexed: ∞ 👎 (infinitely slower) - * Postgres indexed: 1h34m40s 👎 (220x slower) - -See the [benchmark](/benchmark) directory for more details. - -## Data type mapping - -Primitive data types are mapped as follows: - -| PostgreSQL | Parquet | Iceberg | -|-------------------------------------------------------------|---------------------------------------------------|----------------------------------| -| `bool` | `BOOLEAN` | `boolean` | -| `varchar`, `text`, `bpchar`, `bit` | `BYTE_ARRAY` (`UTF8`) | `string` | -| `int2`, `int4` | `INT32` | `int` | -| `int8` | `INT64` | `long` | -| `xid` | `INT32` (`UINT_32`) | `int` | -| `xid8` | `INT64` (`UINT_64`) | `long` | -| `float4`, `float8` | `FLOAT` | `float` | -| `numeric` | `FIXED_LEN_BYTE_ARRAY` (`DECIMAL`) | `decimal(P, S)` | -| `date` | `INT32` (`DATE`) | `date` | -| `time`, `timetz` | `INT64` (`TIME_MICROS` / `TIME_MILLIS`) | `time` | -| `timestamp` | `INT64` (`TIMESTAMP_MICROS` / `TIMESTAMP_MILLIS`) | `timestamp` / `timestamp_ns` | -| `timestamptz` | `INT64` (`TIMESTAMP_MICROS` / `TIMESTAMP_MILLIS`) | `timestamptz` / `timestamptz_ns` | -| `uuid` | `BYTE_ARRAY` (`UTF8`) | `uuid` | -| `bytea` | `BYTE_ARRAY` (`UTF8`) | `binary` | -| `interval` | `BYTE_ARRAY` (`UTF8`) | `string` | -| `point`, `line`, `lseg`, `box`, `path`, `polygon`, `circle` | `BYTE_ARRAY` (`UTF8`) | `string` | -| `cidr`, `inet`, `macaddr`, `macaddr8` | `BYTE_ARRAY` (`UTF8`) | `string` | -| `tsvector`, `xml`, `pg_snapshot` | `BYTE_ARRAY` (`UTF8`) | `string` | -| `json`, `jsonb` | `BYTE_ARRAY` (`UTF8`) | `string` (JSON logical type) | -| `_*` (array) | `LIST` `*` | `list` | -| `*` (user-defined type) | `BYTE_ARRAY` (`UTF8`) | `string` | - -Note that Postgres `json` and `jsonb` types are implemented as JSON logical types and stored as strings (Parquet and Iceberg don't support unstructured data types). -You can query JSON columns using standard operators, for example: - -```sql -SELECT * FROM [TABLE] WHERE [JSON_COLUMN]->>'[JSON_KEY]' = '[JSON_VALUE]'; -``` - -## Alternatives - -#### BemiDB vs PostgreSQL - -PostgreSQL pros: - -- It is the most loved general-purpose transactional (OLTP) database 💛 -- Capable of running analytical queries at small scale - -PostgreSQL cons: - -- Slow for analytical (OLAP) queries on medium and large datasets -- Requires creating indexes for specific analytical queries, which impacts the "write" performance for transactional queries -- Materialized views as a "cache" require manual maintenance and become increasingly slow to refresh as the data grows -- Further tuning may not be possible if executing various ad-hoc analytical queries - -#### BemiDB vs PostgreSQL extensions - -PostgreSQL extensions pros: - -- There is a wide range of extensions available in the PostgreSQL ecosystem -- Open-source community driven - -PostgreSQL extensions cons: - -- Performance overhead when running analytical queries affecting transactional queries -- Limited support for installable extensions in managed PostgreSQL services (for example, AWS Aurora [allowlist](https://docs.aws.amazon.com/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Extensions.html#AuroraPostgreSQL.Extensions.16)) -- Increased PostgreSQL maintenance complexity when upgrading versions -- Require manual data syncing and schema mapping if data is stored in a different format - -Main types of extensions for analytics: - -- Foreign data wrapper extensions (parquet_fdw, parquet_s3_fdw, etc.) - - Pros: allow querying external data sources like columnar Parquet files directly from PostgreSQL - - Cons: use not optimized for analytics query engines -- OLAP query engine extensions (pg_duckdb, pg_analytics, etc.) - - Pros: integrate an analytical query engine directly into PostgreSQL - - Cons: cumbersome to use (creating foreign tables, calling custom functions), data layer is not integrated and optimized - -#### BemiDB vs DuckDB - -DuckDB pros: - -- Designed for OLAP use cases -- Easy to run with a single binary - -DuckDB cons: - -- Limited support in the data ecosystem like notebooks, BI tools, etc. -- Requires manual data syncing and schema mapping for best performance -- Limited features compared to a full-fledged database: no support for writing into Iceberg tables, reading from Iceberg according to the spec, etc. - -#### BemiDB vs real-time OLAP databases (ClickHouse, Druid, etc.) - -Real-time OLAP databases pros: - -- High-performance optimized for real-time analytics - -Real-time OLAP databases cons: - -- Require expertise to set up and manage distributed systems -- Limitations on data mutability -- Steeper learning curve -- Require manual data syncing and schema mapping - -#### BemiDB vs big data query engines (Spark, Trino, etc.) - -Big data query engines pros: - -- Distributed SQL query engines for big data analytics - -Big data query engines cons: - -- Complex to set up and manage a distributed query engine (ZooKeeper, JVM, etc.) -- Don't have a storage layer themselves -- Require manual data syncing and schema mapping - -#### BemiDB vs proprietary solutions (Snowflake, Redshift, BigQuery, Databricks, etc.) - -Proprietary solutions pros: - -- Fully managed cloud data warehouses and lakehouses optimized for OLAP - -Proprietary solutions cons: - -- Can be expensive compared to other alternatives -- Vendor lock-in and limited control over the data -- Require separate systems for data syncing and schema mapping - ---- - -For a more detailed comparison of different approaches to running analytics with PostgreSQL, check out our [blog post](https://blog.bemi.io/analytics-with-postgresql/). - -## Development - -We develop BemiDB using [Devbox](https://www.jetify.com/devbox) to ensure a consistent development environment without relying on Docker. - -To start developing BemiDB and run tests, follow these steps: - -```sh -cp .env.sample .env -make install -make test -``` - -To run BemiDB locally, use the following command: - -```sh -make up -``` - -To sync data from a Postgres database, use the following command: - -```sh -make sync -``` +```text + Your Postgres + | + | logical replication + v ++----------------- PgStack container -------------------+ +| | +| CDC --> NATS --> Processor | +| | | +| +--------+--------+ | +| | | | +| v v | +| Audit: Iceberg Search: BM25 | +| + Parquet + Lance vectors | +| | | | +| +--------+--------+ | +| | | +| v | +| Postgres-compatible server | +| with embedded DuckDB | +| | ++--------------------------+----------------------------+ + | + | wire protocol + v + Postgres clients +``` + +Audit stores Parquet with Iceberg metadata. Search uses Lance for BM25 and optional vectors. DuckDB runs inside PgStack's Postgres-compatible server to execute SQL over this data. + +## OSS vs Cloud + +The open-source core provides the Search replica and Audit history through SQL. [PgStack Cloud](https://pgstack.io/) adds the managed platform: + +- **Web Control Panel**: database connections, projects, and product settings. +- **Team Management**: organizations, team membership, and shared projects. +- **Audit Trail UI**: change history, filters, and record inspection. +- **Fine-Grained Configuration**: table and column selection for Search and Audit. +- **Flexible Audit Retention**: configurable history for troubleshooting and compliance. +- **Managed Embeddings**: included embedding generation without a separate model API account. +- **Autoscaling**: managed capacity for Audit and Search workloads. +- **Production Security**: encryption, tenant isolation, IP allow rules, and SSH and VPN tunneling. +- **Automatic Updates**: service improvements, fixes, and infrastructure maintenance. +- **Support**: priority response and escalation options, with dedicated Slack support. + +The bundled image is designed for local development and evaluation. For production workloads, PgStack Cloud provides a fully managed service. ## License -Distributed under the terms of the [AGPL-3.0 License](/LICENSE). If you need to modify and distribute the code, please release it to contribute back to the open-source community. +This project is distributed under [AGPL-3.0](LICENSE). + +See [CONTRIBUTING.md](CONTRIBUTING.md) for development. For vulnerability reports, see [SECURITY.md](SECURITY.md). diff --git a/SECURITY.md b/SECURITY.md new file mode 100644 index 0000000..b13c3aa --- /dev/null +++ b/SECURITY.md @@ -0,0 +1,7 @@ +# Security + +Please report suspected vulnerabilities privately to **hi@pgstack.io**, with a reproduction and the affected version. Do not post credentials or exploit details in a public issue before coordination. + +The bundled image is for a trusted local development machine. Bind its SQL port to `127.0.0.1`. Local connections are passwordless by default. Set `PGSTACK_PASSWORD` to require SCRAM-SHA-256 authentication, especially when publishing a port. It does not provide TLS, tenant isolation, or a sandbox for untrusted SQL. Source database credentials and the OpenAI key must remain private. + +Use current PgStack releases; BemiDB 1.x deployment instructions do not describe this runtime. diff --git a/assets/pgstack-logo.png b/assets/pgstack-logo.png new file mode 100644 index 0000000..5448019 Binary files /dev/null and b/assets/pgstack-logo.png differ diff --git a/benchmark/README.md b/benchmark/README.md deleted file mode 100644 index bb0d0d6..0000000 --- a/benchmark/README.md +++ /dev/null @@ -1,55 +0,0 @@ -# BemiDB Bechmark - -We use the standardized TPC-H benchmark to compare PostgreSQL with BemiDB. -This benchmark measures the performance of databases that handle large volumes of data and perform business-oriented ad-hoc queries (OLAP). - -![TPC-H database structure](/img/tpc-h_database_structure.png) - -## Running the TPC-H Benchmark - -### PostgreSQL - -Download and unzip `TPC-H_generated_data_s*.zip` from the latest release into the "benchmark/data" directory and then set up a local PostgreSQL database: - -```sh -make pg-init -make pg-up -make pg-create -``` - -Run the benchmark queries with PostgreSQL: - -```sh -make pg-benchmark -``` - -Run the benchmark queries with indexed PostgreSQL: - -```sh -make pg-index -make pg-benchmark -``` - -### BemiDB - -Set up a local BemiDB database: - -```sh -make sync -make up -``` - -Run the benchmark queries with BemiDB: - -```sh -make benchmark -``` - -## Generating the TPC-H Data - -Install the TPC-H benchmark kit: - -```sh -make tpch-install MACHINE=MACOS # MACHINE=LINUX for Linux -make tpch-generate SCALE_FACTOR=1 -``` diff --git a/benchmark/data/create-indexes.ddl b/benchmark/data/create-indexes.ddl deleted file mode 100644 index e1a21e9..0000000 --- a/benchmark/data/create-indexes.ddl +++ /dev/null @@ -1,15 +0,0 @@ -CREATE INDEX IF NOT EXISTS idx_part_name ON part (p_name varchar_pattern_ops); -CREATE INDEX IF NOT EXISTS idx_part_brand_container ON part (p_brand, p_container, p_partkey); -CREATE INDEX IF NOT EXISTS idx_part_partkey ON part (p_partkey); - -CREATE INDEX IF NOT EXISTS idx_partsupp_part_supp ON partsupp (ps_partkey, ps_suppkey); -CREATE INDEX IF NOT EXISTS idx_partsupp_suppkey ON partsupp (ps_suppkey); - -CREATE INDEX IF NOT EXISTS idx_lineitem_dates ON lineitem (l_shipdate); -CREATE INDEX IF NOT EXISTS idx_lineitem_part_supp ON lineitem (l_partkey, l_suppkey); -CREATE INDEX IF NOT EXISTS idx_lineitem_part_qty ON lineitem (l_partkey, l_quantity, l_extendedprice); - -CREATE INDEX IF NOT EXISTS idx_nation_name ON nation (n_name); -CREATE INDEX IF NOT EXISTS idx_nation_nationkey ON nation (n_nationkey); - -CREATE INDEX IF NOT EXISTS idx_supplier_nationkey ON supplier (s_nationkey); diff --git a/benchmark/data/create-tables.ddl b/benchmark/data/create-tables.ddl deleted file mode 100644 index 89efe56..0000000 --- a/benchmark/data/create-tables.ddl +++ /dev/null @@ -1,70 +0,0 @@ --- Sccsid: @(#)dss.ddl 2.1.8.1 -CREATE TABLE NATION ( N_NATIONKEY INTEGER NOT NULL, - N_NAME CHAR(25) NOT NULL, - N_REGIONKEY INTEGER NOT NULL, - N_COMMENT VARCHAR(152)); - -CREATE TABLE REGION ( R_REGIONKEY INTEGER NOT NULL, - R_NAME CHAR(25) NOT NULL, - R_COMMENT VARCHAR(152)); - -CREATE TABLE PART ( P_PARTKEY INTEGER NOT NULL, - P_NAME VARCHAR(55) NOT NULL, - P_MFGR CHAR(25) NOT NULL, - P_BRAND CHAR(10) NOT NULL, - P_TYPE VARCHAR(25) NOT NULL, - P_SIZE INTEGER NOT NULL, - P_CONTAINER CHAR(10) NOT NULL, - P_RETAILPRICE DECIMAL(15,2) NOT NULL, - P_COMMENT VARCHAR(23) NOT NULL ); - -CREATE TABLE SUPPLIER ( S_SUPPKEY INTEGER NOT NULL, - S_NAME CHAR(25) NOT NULL, - S_ADDRESS VARCHAR(40) NOT NULL, - S_NATIONKEY INTEGER NOT NULL, - S_PHONE CHAR(15) NOT NULL, - S_ACCTBAL DECIMAL(15,2) NOT NULL, - S_COMMENT VARCHAR(101) NOT NULL); - -CREATE TABLE PARTSUPP ( PS_PARTKEY INTEGER NOT NULL, - PS_SUPPKEY INTEGER NOT NULL, - PS_AVAILQTY INTEGER NOT NULL, - PS_SUPPLYCOST DECIMAL(15,2) NOT NULL, - PS_COMMENT VARCHAR(199) NOT NULL ); - -CREATE TABLE CUSTOMER ( C_CUSTKEY INTEGER NOT NULL, - C_NAME VARCHAR(25) NOT NULL, - C_ADDRESS VARCHAR(40) NOT NULL, - C_NATIONKEY INTEGER NOT NULL, - C_PHONE CHAR(15) NOT NULL, - C_ACCTBAL DECIMAL(15,2) NOT NULL, - C_MKTSEGMENT CHAR(10) NOT NULL, - C_COMMENT VARCHAR(117) NOT NULL); - -CREATE TABLE ORDERS ( O_ORDERKEY INTEGER NOT NULL, - O_CUSTKEY INTEGER NOT NULL, - O_ORDERSTATUS CHAR(1) NOT NULL, - O_TOTALPRICE DECIMAL(15,2) NOT NULL, - O_ORDERDATE DATE NOT NULL, - O_ORDERPRIORITY CHAR(15) NOT NULL, - O_CLERK CHAR(15) NOT NULL, - O_SHIPPRIORITY INTEGER NOT NULL, - O_COMMENT VARCHAR(79) NOT NULL); - -CREATE TABLE LINEITEM ( L_ORDERKEY INTEGER NOT NULL, - L_PARTKEY INTEGER NOT NULL, - L_SUPPKEY INTEGER NOT NULL, - L_LINENUMBER INTEGER NOT NULL, - L_QUANTITY DECIMAL(15,2) NOT NULL, - L_EXTENDEDPRICE DECIMAL(15,2) NOT NULL, - L_DISCOUNT DECIMAL(15,2) NOT NULL, - L_TAX DECIMAL(15,2) NOT NULL, - L_RETURNFLAG CHAR(1) NOT NULL, - L_LINESTATUS CHAR(1) NOT NULL, - L_SHIPDATE DATE NOT NULL, - L_COMMITDATE DATE NOT NULL, - L_RECEIPTDATE DATE NOT NULL, - L_SHIPINSTRUCT CHAR(25) NOT NULL, - L_SHIPMODE CHAR(10) NOT NULL, - L_COMMENT VARCHAR(44) NOT NULL); - diff --git a/benchmark/queries.sql b/benchmark/queries.sql deleted file mode 100644 index cdf02be..0000000 --- a/benchmark/queries.sql +++ /dev/null @@ -1,694 +0,0 @@ --- TPC TPC-H Parameter Substitution (Version 2.17.3 build 0) --- using 1730829976 as a seed to the RNG - - -select - l_returnflag, - l_linestatus, - sum(l_quantity) as sum_qty, - sum(l_extendedprice) as sum_base_price, - sum(l_extendedprice * (1 - l_discount)) as sum_disc_price, - sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) as sum_charge, - avg(l_quantity) as avg_qty, - avg(l_extendedprice) as avg_price, - avg(l_discount) as avg_disc, - count(*) as count_order -from - lineitem -where - l_shipdate <= date '1998-12-01' - interval '102 day' -group by - l_returnflag, - l_linestatus -order by - l_returnflag, - l_linestatus -; - - -select - s_acctbal, - s_name, - n_name, - p_partkey, - p_mfgr, - s_address, - s_phone, - s_comment -from - part, - supplier, - partsupp, - nation, - region -where - p_partkey = ps_partkey - and s_suppkey = ps_suppkey - and p_size = 35 - and p_type like '%COPPER' - and s_nationkey = n_nationkey - and n_regionkey = r_regionkey - and r_name = 'EUROPE' - and ps_supplycost = ( - select - min(ps_supplycost) - from - partsupp, - supplier, - nation, - region - where - p_partkey = ps_partkey - and s_suppkey = ps_suppkey - and s_nationkey = n_nationkey - and n_regionkey = r_regionkey - and r_name = 'EUROPE' - ) -order by - s_acctbal desc, - n_name, - s_name, - p_partkey -limit 100; - - -select - l_orderkey, - sum(l_extendedprice * (1 - l_discount)) as revenue, - o_orderdate, - o_shippriority -from - customer, - orders, - lineitem -where - c_mktsegment = 'MACHINERY' - and c_custkey = o_custkey - and l_orderkey = o_orderkey - and o_orderdate < date '1995-03-24' - and l_shipdate > date '1995-03-24' -group by - l_orderkey, - o_orderdate, - o_shippriority -order by - revenue desc, - o_orderdate -limit 10; - - -select - o_orderpriority, - count(*) as order_count -from - orders -where - o_orderdate >= date '1996-08-01' - and o_orderdate < date '1996-08-01' + interval '3 months' - and exists ( - select - * - from - lineitem - where - l_orderkey = o_orderkey - and l_commitdate < l_receiptdate - ) -group by - o_orderpriority -order by - o_orderpriority -; - - -select - n_name, - sum(l_extendedprice * (1 - l_discount)) as revenue -from - customer, - orders, - lineitem, - supplier, - nation, - region -where - c_custkey = o_custkey - and l_orderkey = o_orderkey - and l_suppkey = s_suppkey - and c_nationkey = s_nationkey - and s_nationkey = n_nationkey - and n_regionkey = r_regionkey - and r_name = 'AMERICA' - and o_orderdate >= date '1997-01-01' - and o_orderdate < date '1997-01-01' + interval '1 year' -group by - n_name -order by - revenue desc -; - - -select - sum(l_extendedprice * l_discount) as revenue -from - lineitem -where - l_shipdate >= date '1997-01-01' - and l_shipdate < date '1997-01-01' + interval '1 year' - and l_discount between 0.06 - 0.01 and 0.06 + 0.01 - and l_quantity < 25 -; - - -select - supp_nation, - cust_nation, - l_year, - sum(volume) as revenue -from - ( - select - n1.n_name as supp_nation, - n2.n_name as cust_nation, - extract(year from l_shipdate) as l_year, - l_extendedprice * (1 - l_discount) as volume - from - supplier, - lineitem, - orders, - customer, - nation n1, - nation n2 - where - s_suppkey = l_suppkey - and o_orderkey = l_orderkey - and c_custkey = o_custkey - and s_nationkey = n1.n_nationkey - and c_nationkey = n2.n_nationkey - and ( - (n1.n_name = 'MOROCCO' and n2.n_name = 'SAUDI ARABIA') - or (n1.n_name = 'SAUDI ARABIA' and n2.n_name = 'MOROCCO') - ) - and l_shipdate between date '1995-01-01' and date '1996-12-31' - ) as shipping -group by - supp_nation, - cust_nation, - l_year -order by - supp_nation, - cust_nation, - l_year -; - - -select - o_year, - sum(case - when nation = 'SAUDI ARABIA' then volume - else 0 - end) / sum(volume) as mkt_share -from - ( - select - extract(year from o_orderdate) as o_year, - l_extendedprice * (1 - l_discount) as volume, - n2.n_name as nation - from - part, - supplier, - lineitem, - orders, - customer, - nation n1, - nation n2, - region - where - p_partkey = l_partkey - and s_suppkey = l_suppkey - and l_orderkey = o_orderkey - and o_custkey = c_custkey - and c_nationkey = n1.n_nationkey - and n1.n_regionkey = r_regionkey - and r_name = 'MIDDLE EAST' - and s_nationkey = n2.n_nationkey - and o_orderdate between date '1995-01-01' and date '1996-12-31' - and p_type = 'LARGE BRUSHED BRASS' - ) as all_nations -group by - o_year -order by - o_year -; - - -select - nation, - o_year, - sum(amount) as sum_profit -from - ( - select - n_name as nation, - extract(year from o_orderdate) as o_year, - l_extendedprice * (1 - l_discount) - ps_supplycost * l_quantity as amount - from - part, - supplier, - lineitem, - partsupp, - orders, - nation - where - s_suppkey = l_suppkey - and ps_suppkey = l_suppkey - and ps_partkey = l_partkey - and p_partkey = l_partkey - and o_orderkey = l_orderkey - and s_nationkey = n_nationkey - and p_name like '%orchid%' - ) as profit -group by - nation, - o_year -order by - nation, - o_year desc -; - - -select - c_custkey, - c_name, - sum(l_extendedprice * (1 - l_discount)) as revenue, - c_acctbal, - n_name, - c_address, - c_phone, - c_comment -from - customer, - orders, - lineitem, - nation -where - c_custkey = o_custkey - and l_orderkey = o_orderkey - and o_orderdate >= date '1994-03-01' - and o_orderdate < date '1994-03-01' + interval '3 months' - and l_returnflag = 'R' - and c_nationkey = n_nationkey -group by - c_custkey, - c_name, - c_acctbal, - c_phone, - n_name, - c_address, - c_comment -order by - revenue desc -limit 20; - - -select - ps_partkey, - sum(ps_supplycost * ps_availqty) as value -from - partsupp, - supplier, - nation -where - ps_suppkey = s_suppkey - and s_nationkey = n_nationkey - and n_name = 'SAUDI ARABIA' -group by - ps_partkey having - sum(ps_supplycost * ps_availqty) > ( - select - sum(ps_supplycost * ps_availqty) * 0.0010000000 - from - partsupp, - supplier, - nation - where - ps_suppkey = s_suppkey - and s_nationkey = n_nationkey - and n_name = 'SAUDI ARABIA' - ) -order by - value desc -; - - -select - l_shipmode, - sum(case - when o_orderpriority = '1-URGENT' - or o_orderpriority = '2-HIGH' - then 1 - else 0 - end) as high_line_count, - sum(case - when o_orderpriority <> '1-URGENT' - and o_orderpriority <> '2-HIGH' - then 1 - else 0 - end) as low_line_count -from - orders, - lineitem -where - o_orderkey = l_orderkey - and l_shipmode in ('REG AIR', 'AIR') - and l_commitdate < l_receiptdate - and l_shipdate < l_commitdate - and l_receiptdate >= date '1995-01-01' - and l_receiptdate < date '1995-01-01' + interval '1 year' -group by - l_shipmode -order by - l_shipmode -; - - -select - c_count, - count(*) as custdist -from - ( - select - c_custkey, - count(o_orderkey) - from - customer left outer join orders on - c_custkey = o_custkey - and o_comment not like '%special%accounts%' - group by - c_custkey - ) as c_orders (c_custkey, c_count) -group by - c_count -order by - custdist desc, - c_count desc -; - - -select - 100.00 * sum(case - when p_type like 'PROMO%' - then l_extendedprice * (1 - l_discount) - else 0 - end) / sum(l_extendedprice * (1 - l_discount)) as promo_revenue -from - lineitem, - part -where - l_partkey = p_partkey - and l_shipdate >= date '1995-07-01' - and l_shipdate < date '1995-07-01' + interval '1 month' -; - - with revenue (supplier_no, total_revenue) as ( - select - l_suppkey, - sum(l_extendedprice * (1-l_discount)) - from - lineitem - where - l_shipdate >= date '1997-06-01' - and l_shipdate < date '1997-06-01' + interval '3 months' - group by - l_suppkey - ) - - - select - s_suppkey, - s_name, - s_address, - s_phone, - total_revenue - from - supplier, - revenue - where - s_suppkey = supplier_no - and total_revenue = ( - select - max(total_revenue) - from - revenue - ) - order by - s_suppkey - ; - - -select - p_brand, - p_type, - p_size, - count(distinct ps_suppkey) as supplier_cnt -from - partsupp, - part -where - p_partkey = ps_partkey - and p_brand <> 'Brand#23' - and p_type not like 'LARGE PLATED%' - and p_size in (19, 9, 15, 33, 43, 41, 27, 36) - and ps_suppkey not in ( - select - s_suppkey - from - supplier - where - s_comment like '%Customer%Complaints%' - ) -group by - p_brand, - p_type, - p_size -order by - supplier_cnt desc, - p_brand, - p_type, - p_size -; - - -select - sum(l_extendedprice) / 7.0 as avg_yearly -from - lineitem, - part -where - p_partkey = l_partkey - and p_brand = 'Brand#33' - and p_container = 'LG CAN' - and l_quantity < ( - select - 0.2 * avg(l_quantity) - from - lineitem - where - l_partkey = p_partkey - ) -; - - -select - c_name, - c_custkey, - o_orderkey, - o_orderdate, - o_totalprice, - sum(l_quantity) -from - customer, - orders, - lineitem -where - o_orderkey in ( - select - l_orderkey - from - lineitem - group by - l_orderkey having - sum(l_quantity) > 314 - ) - and c_custkey = o_custkey - and o_orderkey = l_orderkey -group by - c_name, - c_custkey, - o_orderkey, - o_orderdate, - o_totalprice -order by - o_totalprice desc, - o_orderdate -limit 100; - - -select - sum(l_extendedprice* (1 - l_discount)) as revenue -from - lineitem, - part -where - ( - p_partkey = l_partkey - and p_brand = 'Brand#21' - and p_container in ('SM CASE', 'SM BOX', 'SM PACK', 'SM PKG') - and l_quantity >= 5 and l_quantity <= 5 + 10 - and p_size between 1 and 5 - and l_shipmode in ('AIR', 'AIR REG') - and l_shipinstruct = 'DELIVER IN PERSON' - ) - or - ( - p_partkey = l_partkey - and p_brand = 'Brand#24' - and p_container in ('MED BAG', 'MED BOX', 'MED PKG', 'MED PACK') - and l_quantity >= 17 and l_quantity <= 17 + 10 - and p_size between 1 and 10 - and l_shipmode in ('AIR', 'AIR REG') - and l_shipinstruct = 'DELIVER IN PERSON' - ) - or - ( - p_partkey = l_partkey - and p_brand = 'Brand#54' - and p_container in ('LG CASE', 'LG BOX', 'LG PACK', 'LG PKG') - and l_quantity >= 29 and l_quantity <= 29 + 10 - and p_size between 1 and 15 - and l_shipmode in ('AIR', 'AIR REG') - and l_shipinstruct = 'DELIVER IN PERSON' - ) -; - - -select - s_name, - s_address -from - supplier, - nation -where - s_suppkey in ( - select - ps_suppkey - from - partsupp - where - ps_partkey in ( - select - p_partkey - from - part - where - p_name like 'chartreuse%' - ) - and ps_availqty > ( - select - 0.5 * sum(l_quantity) - from - lineitem - where - l_partkey = ps_partkey - and l_suppkey = ps_suppkey - and l_shipdate >= date '1994-01-01' - and l_shipdate < date '1994-01-01' + interval '1 year' - ) - ) - and s_nationkey = n_nationkey - and n_name = 'MOROCCO' -order by - s_name -; - - -select - s_name, - count(*) as numwait -from - supplier, - lineitem l1, - orders, - nation -where - s_suppkey = l1.l_suppkey - and o_orderkey = l1.l_orderkey - and o_orderstatus = 'F' - and l1.l_receiptdate > l1.l_commitdate - and exists ( - select - * - from - lineitem l2 - where - l2.l_orderkey = l1.l_orderkey - and l2.l_suppkey <> l1.l_suppkey - ) - and not exists ( - select - * - from - lineitem l3 - where - l3.l_orderkey = l1.l_orderkey - and l3.l_suppkey <> l1.l_suppkey - and l3.l_receiptdate > l3.l_commitdate - ) - and s_nationkey = n_nationkey - and n_name = 'FRANCE' -group by - s_name -order by - numwait desc, - s_name -limit 100; - - -select - cntrycode, - count(*) as numcust, - sum(c_acctbal) as totacctbal -from - ( - select - substring(c_phone from 1 for 2) as cntrycode, - c_acctbal - from - customer - where - substring(c_phone from 1 for 2) in - ('25', '31', '30', '23', '27', '11', '15') - and c_acctbal > ( - select - avg(c_acctbal) - from - customer - where - c_acctbal > 0.00 - and substring(c_phone from 1 for 2) in - ('25', '31', '30', '23', '27', '11', '15') - ) - and not exists ( - select - * - from - orders - where - o_custkey = c_custkey - ) - ) as custsale -group by - cntrycode -order by - cntrycode -; diff --git a/benchmark/query-templates/1.sql b/benchmark/query-templates/1.sql deleted file mode 100644 index 48369f6..0000000 --- a/benchmark/query-templates/1.sql +++ /dev/null @@ -1,28 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Pricing Summary Report Query (Q1) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - l_returnflag, - l_linestatus, - sum(l_quantity) as sum_qty, - sum(l_extendedprice) as sum_base_price, - sum(l_extendedprice * (1 - l_discount)) as sum_disc_price, - sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) as sum_charge, - avg(l_quantity) as avg_qty, - avg(l_extendedprice) as avg_price, - avg(l_discount) as avg_disc, - count(*) as count_order -from - lineitem -where - l_shipdate <= date '1998-12-01' - interval ':1 day' -group by - l_returnflag, - l_linestatus -order by - l_returnflag, - l_linestatus; -:n -1 diff --git a/benchmark/query-templates/10.sql b/benchmark/query-templates/10.sql deleted file mode 100644 index 3d7eda9..0000000 --- a/benchmark/query-templates/10.sql +++ /dev/null @@ -1,38 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Returned Item Reporting Query (Q10) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - c_custkey, - c_name, - sum(l_extendedprice * (1 - l_discount)) as revenue, - c_acctbal, - n_name, - c_address, - c_phone, - c_comment -from - customer, - orders, - lineitem, - nation -where - c_custkey = o_custkey - and l_orderkey = o_orderkey - and o_orderdate >= date ':1' - and o_orderdate < date ':1' + interval '3 months' - and l_returnflag = 'R' - and c_nationkey = n_nationkey -group by - c_custkey, - c_name, - c_acctbal, - c_phone, - n_name, - c_address, - c_comment -order by - revenue desc; -:n 20 diff --git a/benchmark/query-templates/11.sql b/benchmark/query-templates/11.sql deleted file mode 100644 index 8d8b744..0000000 --- a/benchmark/query-templates/11.sql +++ /dev/null @@ -1,34 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Important Stock Identification Query (Q11) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - ps_partkey, - sum(ps_supplycost * ps_availqty) as value -from - partsupp, - supplier, - nation -where - ps_suppkey = s_suppkey - and s_nationkey = n_nationkey - and n_name = ':1' -group by - ps_partkey having - sum(ps_supplycost * ps_availqty) > ( - select - sum(ps_supplycost * ps_availqty) * :2 - from - partsupp, - supplier, - nation - where - ps_suppkey = s_suppkey - and s_nationkey = n_nationkey - and n_name = ':1' - ) -order by - value desc; -:n -1 diff --git a/benchmark/query-templates/12.sql b/benchmark/query-templates/12.sql deleted file mode 100644 index 3bb9005..0000000 --- a/benchmark/query-templates/12.sql +++ /dev/null @@ -1,35 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Shipping Modes and Order Priority Query (Q12) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - l_shipmode, - sum(case - when o_orderpriority = '1-URGENT' - or o_orderpriority = '2-HIGH' - then 1 - else 0 - end) as high_line_count, - sum(case - when o_orderpriority <> '1-URGENT' - and o_orderpriority <> '2-HIGH' - then 1 - else 0 - end) as low_line_count -from - orders, - lineitem -where - o_orderkey = l_orderkey - and l_shipmode in (':1', ':2') - and l_commitdate < l_receiptdate - and l_shipdate < l_commitdate - and l_receiptdate >= date ':3' - and l_receiptdate < date ':3' + interval '1 year' -group by - l_shipmode -order by - l_shipmode; -:n -1 diff --git a/benchmark/query-templates/13.sql b/benchmark/query-templates/13.sql deleted file mode 100644 index 20dd693..0000000 --- a/benchmark/query-templates/13.sql +++ /dev/null @@ -1,27 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Customer Distribution Query (Q13) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - c_count, - count(*) as custdist -from - ( - select - c_custkey, - count(o_orderkey) - from - customer left outer join orders on - c_custkey = o_custkey - and o_comment not like '%:1%:2%' - group by - c_custkey - ) as c_orders (c_custkey, c_count) -group by - c_count -order by - custdist desc, - c_count desc; -:n -1 diff --git a/benchmark/query-templates/14.sql b/benchmark/query-templates/14.sql deleted file mode 100644 index e066528..0000000 --- a/benchmark/query-templates/14.sql +++ /dev/null @@ -1,20 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Promotion Effect Query (Q14) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - 100.00 * sum(case - when p_type like 'PROMO%' - then l_extendedprice * (1 - l_discount) - else 0 - end) / sum(l_extendedprice * (1 - l_discount)) as promo_revenue -from - lineitem, - part -where - l_partkey = p_partkey - and l_shipdate >= date ':1' - and l_shipdate < date ':1' + interval '1 month'; -:n -1 diff --git a/benchmark/query-templates/15.sql b/benchmark/query-templates/15.sql deleted file mode 100644 index b293905..0000000 --- a/benchmark/query-templates/15.sql +++ /dev/null @@ -1,41 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Top Supplier Query (Q15) --- Variant A --- Approved February 1998 --- --- BemiDB: Variant without "view" -:x - with revenue (supplier_no, total_revenue) as ( - select - l_suppkey, - sum(l_extendedprice * (1-l_discount)) - from - lineitem - where - l_shipdate >= date ':1' - and l_shipdate < date ':1' + interval '3 months' - group by - l_suppkey - ) - - :o - select - s_suppkey, - s_name, - s_address, - s_phone, - total_revenue - from - supplier, - revenue - where - s_suppkey = supplier_no - and total_revenue = ( - select - max(total_revenue) - from - revenue - ) - order by - s_suppkey; - :n -1 diff --git a/benchmark/query-templates/16.sql b/benchmark/query-templates/16.sql deleted file mode 100644 index f07a965..0000000 --- a/benchmark/query-templates/16.sql +++ /dev/null @@ -1,37 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Parts/Supplier Relationship Query (Q16) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - p_brand, - p_type, - p_size, - count(distinct ps_suppkey) as supplier_cnt -from - partsupp, - part -where - p_partkey = ps_partkey - and p_brand <> ':1' - and p_type not like ':2%' - and p_size in (:3, :4, :5, :6, :7, :8, :9, :10) - and ps_suppkey not in ( - select - s_suppkey - from - supplier - where - s_comment like '%Customer%Complaints%' - ) -group by - p_brand, - p_type, - p_size -order by - supplier_cnt desc, - p_brand, - p_type, - p_size; -:n -1 diff --git a/benchmark/query-templates/17.sql b/benchmark/query-templates/17.sql deleted file mode 100644 index 14534f6..0000000 --- a/benchmark/query-templates/17.sql +++ /dev/null @@ -1,26 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Small-Quantity-Order Revenue Query (Q17) --- Functional Query Definition --- Approved February 1998 --- --- BemiDB: 20s with unindexed PostgreSQL -:x -:o -select - sum(l_extendedprice) / 7.0 as avg_yearly -from - lineitem, - part -where - p_partkey = l_partkey - and p_brand = ':1' - and p_container = ':2' - and l_quantity < ( - select - 0.2 * avg(l_quantity) - from - lineitem - where - l_partkey = p_partkey - ); -:n -1 diff --git a/benchmark/query-templates/18.sql b/benchmark/query-templates/18.sql deleted file mode 100644 index 3f7e125..0000000 --- a/benchmark/query-templates/18.sql +++ /dev/null @@ -1,39 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Large Volume Customer Query (Q18) --- Function Query Definition --- Approved February 1998 -:x -:o -select - c_name, - c_custkey, - o_orderkey, - o_orderdate, - o_totalprice, - sum(l_quantity) -from - customer, - orders, - lineitem -where - o_orderkey in ( - select - l_orderkey - from - lineitem - group by - l_orderkey having - sum(l_quantity) > :1 - ) - and c_custkey = o_custkey - and o_orderkey = l_orderkey -group by - c_name, - c_custkey, - o_orderkey, - o_orderdate, - o_totalprice -order by - o_totalprice desc, - o_orderdate; -:n 100 diff --git a/benchmark/query-templates/19.sql b/benchmark/query-templates/19.sql deleted file mode 100644 index a9c6e5d..0000000 --- a/benchmark/query-templates/19.sql +++ /dev/null @@ -1,42 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Discounted Revenue Query (Q19) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - sum(l_extendedprice* (1 - l_discount)) as revenue -from - lineitem, - part -where - ( - p_partkey = l_partkey - and p_brand = ':1' - and p_container in ('SM CASE', 'SM BOX', 'SM PACK', 'SM PKG') - and l_quantity >= :4 and l_quantity <= :4 + 10 - and p_size between 1 and 5 - and l_shipmode in ('AIR', 'AIR REG') - and l_shipinstruct = 'DELIVER IN PERSON' - ) - or - ( - p_partkey = l_partkey - and p_brand = ':2' - and p_container in ('MED BAG', 'MED BOX', 'MED PKG', 'MED PACK') - and l_quantity >= :5 and l_quantity <= :5 + 10 - and p_size between 1 and 10 - and l_shipmode in ('AIR', 'AIR REG') - and l_shipinstruct = 'DELIVER IN PERSON' - ) - or - ( - p_partkey = l_partkey - and p_brand = ':3' - and p_container in ('LG CASE', 'LG BOX', 'LG PACK', 'LG PKG') - and l_quantity >= :6 and l_quantity <= :6 + 10 - and p_size between 1 and 15 - and l_shipmode in ('AIR', 'AIR REG') - and l_shipinstruct = 'DELIVER IN PERSON' - ); -:n -1 diff --git a/benchmark/query-templates/2.sql b/benchmark/query-templates/2.sql deleted file mode 100644 index 2c941f5..0000000 --- a/benchmark/query-templates/2.sql +++ /dev/null @@ -1,50 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Minimum Cost Supplier Query (Q2) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - s_acctbal, - s_name, - n_name, - p_partkey, - p_mfgr, - s_address, - s_phone, - s_comment -from - part, - supplier, - partsupp, - nation, - region -where - p_partkey = ps_partkey - and s_suppkey = ps_suppkey - and p_size = :1 - and p_type like '%:2' - and s_nationkey = n_nationkey - and n_regionkey = r_regionkey - and r_name = ':3' - and ps_supplycost = ( - select - min(ps_supplycost) - from - partsupp, - supplier, - nation, - region - where - p_partkey = ps_partkey - and s_suppkey = ps_suppkey - and s_nationkey = n_nationkey - and n_regionkey = r_regionkey - and r_name = ':3' - ) -order by - s_acctbal desc, - n_name, - s_name, - p_partkey; -:n 100 diff --git a/benchmark/query-templates/20.sql b/benchmark/query-templates/20.sql deleted file mode 100644 index dccc96c..0000000 --- a/benchmark/query-templates/20.sql +++ /dev/null @@ -1,46 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Potential Part Promotion Query (Q20) --- Function Query Definition --- Approved February 1998 --- --- BemiDB: 1h 23m with unindexed PostgreSQL -:x -:o -select - s_name, - s_address -from - supplier, - nation -where - s_suppkey in ( - select - ps_suppkey - from - partsupp - where - ps_partkey in ( - select - p_partkey - from - part - where - p_name like ':1%' - ) - and ps_availqty > ( - select - 0.5 * sum(l_quantity) - from - lineitem - where - l_partkey = ps_partkey - and l_suppkey = ps_suppkey - and l_shipdate >= date ':2' - and l_shipdate < date ':2' + interval '1 year' - ) - ) - and s_nationkey = n_nationkey - and n_name = ':3' -order by - s_name; -:n -1 diff --git a/benchmark/query-templates/21.sql b/benchmark/query-templates/21.sql deleted file mode 100644 index 380bcfd..0000000 --- a/benchmark/query-templates/21.sql +++ /dev/null @@ -1,46 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Suppliers Who Kept Orders Waiting Query (Q21) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - s_name, - count(*) as numwait -from - supplier, - lineitem l1, - orders, - nation -where - s_suppkey = l1.l_suppkey - and o_orderkey = l1.l_orderkey - and o_orderstatus = 'F' - and l1.l_receiptdate > l1.l_commitdate - and exists ( - select - * - from - lineitem l2 - where - l2.l_orderkey = l1.l_orderkey - and l2.l_suppkey <> l1.l_suppkey - ) - and not exists ( - select - * - from - lineitem l3 - where - l3.l_orderkey = l1.l_orderkey - and l3.l_suppkey <> l1.l_suppkey - and l3.l_receiptdate > l3.l_commitdate - ) - and s_nationkey = n_nationkey - and n_name = ':1' -group by - s_name -order by - numwait desc, - s_name; -:n 100 diff --git a/benchmark/query-templates/22.sql b/benchmark/query-templates/22.sql deleted file mode 100644 index 3cf5b61..0000000 --- a/benchmark/query-templates/22.sql +++ /dev/null @@ -1,44 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Global Sales Opportunity Query (Q22) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - cntrycode, - count(*) as numcust, - sum(c_acctbal) as totacctbal -from - ( - select - substring(c_phone from 1 for 2) as cntrycode, - c_acctbal - from - customer - where - substring(c_phone from 1 for 2) in - (':1', ':2', ':3', ':4', ':5', ':6', ':7') - and c_acctbal > ( - select - avg(c_acctbal) - from - customer - where - c_acctbal > 0.00 - and substring(c_phone from 1 for 2) in - (':1', ':2', ':3', ':4', ':5', ':6', ':7') - ) - and not exists ( - select - * - from - orders - where - o_custkey = c_custkey - ) - ) as custsale -group by - cntrycode -order by - cntrycode; -:n -1 diff --git a/benchmark/query-templates/3.sql b/benchmark/query-templates/3.sql deleted file mode 100644 index 7c38828..0000000 --- a/benchmark/query-templates/3.sql +++ /dev/null @@ -1,29 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Shipping Priority Query (Q3) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - l_orderkey, - sum(l_extendedprice * (1 - l_discount)) as revenue, - o_orderdate, - o_shippriority -from - customer, - orders, - lineitem -where - c_mktsegment = ':1' - and c_custkey = o_custkey - and l_orderkey = o_orderkey - and o_orderdate < date ':2' - and l_shipdate > date ':2' -group by - l_orderkey, - o_orderdate, - o_shippriority -order by - revenue desc, - o_orderdate; -:n 10 diff --git a/benchmark/query-templates/4.sql b/benchmark/query-templates/4.sql deleted file mode 100644 index febf8d5..0000000 --- a/benchmark/query-templates/4.sql +++ /dev/null @@ -1,28 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Order Priority Checking Query (Q4) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - o_orderpriority, - count(*) as order_count -from - orders -where - o_orderdate >= date ':1' - and o_orderdate < date ':1' + interval '3 months' - and exists ( - select - * - from - lineitem - where - l_orderkey = o_orderkey - and l_commitdate < l_receiptdate - ) -group by - o_orderpriority -order by - o_orderpriority; -:n -1 diff --git a/benchmark/query-templates/5.sql b/benchmark/query-templates/5.sql deleted file mode 100644 index 1e2d17e..0000000 --- a/benchmark/query-templates/5.sql +++ /dev/null @@ -1,31 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Local Supplier Volume Query (Q5) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - n_name, - sum(l_extendedprice * (1 - l_discount)) as revenue -from - customer, - orders, - lineitem, - supplier, - nation, - region -where - c_custkey = o_custkey - and l_orderkey = o_orderkey - and l_suppkey = s_suppkey - and c_nationkey = s_nationkey - and s_nationkey = n_nationkey - and n_regionkey = r_regionkey - and r_name = ':1' - and o_orderdate >= date ':2' - and o_orderdate < date ':2' + interval '1 year' -group by - n_name -order by - revenue desc; -:n -1 diff --git a/benchmark/query-templates/6.sql b/benchmark/query-templates/6.sql deleted file mode 100644 index 48f9876..0000000 --- a/benchmark/query-templates/6.sql +++ /dev/null @@ -1,16 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Forecasting Revenue Change Query (Q6) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - sum(l_extendedprice * l_discount) as revenue -from - lineitem -where - l_shipdate >= date ':1' - and l_shipdate < date ':1' + interval '1 year' - and l_discount between :2 - 0.01 and :2 + 0.01 - and l_quantity < :3; -:n -1 diff --git a/benchmark/query-templates/7.sql b/benchmark/query-templates/7.sql deleted file mode 100644 index d1a4441..0000000 --- a/benchmark/query-templates/7.sql +++ /dev/null @@ -1,46 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Volume Shipping Query (Q7) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - supp_nation, - cust_nation, - l_year, - sum(volume) as revenue -from - ( - select - n1.n_name as supp_nation, - n2.n_name as cust_nation, - extract(year from l_shipdate) as l_year, - l_extendedprice * (1 - l_discount) as volume - from - supplier, - lineitem, - orders, - customer, - nation n1, - nation n2 - where - s_suppkey = l_suppkey - and o_orderkey = l_orderkey - and c_custkey = o_custkey - and s_nationkey = n1.n_nationkey - and c_nationkey = n2.n_nationkey - and ( - (n1.n_name = ':1' and n2.n_name = ':2') - or (n1.n_name = ':2' and n2.n_name = ':1') - ) - and l_shipdate between date '1995-01-01' and date '1996-12-31' - ) as shipping -group by - supp_nation, - cust_nation, - l_year -order by - supp_nation, - cust_nation, - l_year; -:n -1 diff --git a/benchmark/query-templates/8.sql b/benchmark/query-templates/8.sql deleted file mode 100644 index 677e06f..0000000 --- a/benchmark/query-templates/8.sql +++ /dev/null @@ -1,44 +0,0 @@ --- $ID$ --- TPC-H/TPC-R National Market Share Query (Q8) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - o_year, - sum(case - when nation = ':1' then volume - else 0 - end) / sum(volume) as mkt_share -from - ( - select - extract(year from o_orderdate) as o_year, - l_extendedprice * (1 - l_discount) as volume, - n2.n_name as nation - from - part, - supplier, - lineitem, - orders, - customer, - nation n1, - nation n2, - region - where - p_partkey = l_partkey - and s_suppkey = l_suppkey - and l_orderkey = o_orderkey - and o_custkey = c_custkey - and c_nationkey = n1.n_nationkey - and n1.n_regionkey = r_regionkey - and r_name = ':2' - and s_nationkey = n2.n_nationkey - and o_orderdate between date '1995-01-01' and date '1996-12-31' - and p_type = ':3' - ) as all_nations -group by - o_year -order by - o_year; -:n -1 diff --git a/benchmark/query-templates/9.sql b/benchmark/query-templates/9.sql deleted file mode 100644 index 1d63511..0000000 --- a/benchmark/query-templates/9.sql +++ /dev/null @@ -1,39 +0,0 @@ --- $ID$ --- TPC-H/TPC-R Product Type Profit Measure Query (Q9) --- Functional Query Definition --- Approved February 1998 -:x -:o -select - nation, - o_year, - sum(amount) as sum_profit -from - ( - select - n_name as nation, - extract(year from o_orderdate) as o_year, - l_extendedprice * (1 - l_discount) - ps_supplycost * l_quantity as amount - from - part, - supplier, - lineitem, - partsupp, - orders, - nation - where - s_suppkey = l_suppkey - and ps_suppkey = l_suppkey - and ps_partkey = l_partkey - and p_partkey = l_partkey - and o_orderkey = l_orderkey - and s_nationkey = n_nationkey - and p_name like '%:1%' - ) as profit -group by - nation, - o_year -order by - nation, - o_year desc; -:n -1 diff --git a/benchmark/scripts/generate-data.sh b/benchmark/scripts/generate-data.sh deleted file mode 100755 index 1e878e7..0000000 --- a/benchmark/scripts/generate-data.sh +++ /dev/null @@ -1,23 +0,0 @@ -#!/bin/bash - -cd benchmark - -# Structure -cp ./tpch-kit/dbgen/dss.ddl ./data/create-tables.ddl - -# Data -cd ./tpch-kit/dbgen -export DSS_PATH=../../data -export DSS_CONFIG=./ -./dbgen -vf -s $SCALE_FACTOR # 1 = 1GB - -# Queries -cd - -rm -rf /tmp/query-templates -mkdir /tmp/query-templates -for i in `ls query-templates/*.sql`; do - tac $i | sed '2s/;//' | tac > /tmp/$i # Remove ";" -done -cd ./tpch-kit/dbgen -export DSS_QUERY=/tmp/query-templates -./qgen -v -s 0.1 | sed 's/limit -1//' > ../../queries.sql diff --git a/benchmark/scripts/load-pg-data.sh b/benchmark/scripts/load-pg-data.sh deleted file mode 100755 index 615c749..0000000 --- a/benchmark/scripts/load-pg-data.sh +++ /dev/null @@ -1,21 +0,0 @@ -#!/bin/bash - -curl -L -o ./tpch.zip https://github.com/BemiHQ/BemiDB/releases/download/v0.1.0/TPC-H_generated_data_s0.1.zip -unzip ./tpch.zip -d ./benchmark/data -rm ./tpch.zip - -cd ./benchmark/data - -mv ./TPC-H_generated_data/* ./ -rm -rf ./TPC-H_generated_data -rm -rf ./__MACOSX - -psql postgres://127.0.0.1:5432/tpch -f ./create-tables.ddl - -for i in `ls *.tbl`; do - table=${i/.tbl/} - echo "Loading $table..." - sed 's/|$//' $i > /tmp/$i - psql postgres://127.0.0.1:5432/tpch -q -c "TRUNCATE $table" - psql postgres://127.0.0.1:5432/tpch -c "\\copy $table FROM '/tmp/$i' CSV DELIMITER '|'" -done diff --git a/benchmark/scripts/measure-memory.sh b/benchmark/scripts/measure-memory.sh deleted file mode 100755 index 96b787c..0000000 --- a/benchmark/scripts/measure-memory.sh +++ /dev/null @@ -1,26 +0,0 @@ -#!/bin/bash - -PID=$(ps | grep "/exe/BemiDB sync" | grep -v grep | awk '{print $1}') - -if ! ps -p "$PID" > /dev/null 2>&1; then - echo "Error: Process with PID $PID does not exist" - exit 1 -fi - -echo "PID Time Mem" - -max_memory=0 - -while true; do - current_time=$(date "+%Y-%m-%d %H:%M:%S") - current_memory=$(top -pid $PID -stats mem -l 1 | tail -n 1 | sed 's/[^0-9]*//g') - - if [ "$current_memory" -gt "$max_memory" ]; then - max_memory=$current_memory - printf "%s %s %sMB (%sMB new max)\n" "$PID" "$current_time" "$current_memory" "$max_memory" - else - printf "%s %s %sMB\n" "$PID" "$current_time" "$current_memory" - fi - - sleep 1 -done diff --git a/build/.gitkeep b/build/.gitkeep deleted file mode 100644 index e69de29..0000000 diff --git a/cdc/config.go b/cdc/config.go new file mode 100644 index 0000000..cb1653d --- /dev/null +++ b/cdc/config.go @@ -0,0 +1,218 @@ +package main + +import ( + "net/url" + "os" + "strings" +) + +type Config struct { + DatabaseURL string + LogLevel string + SlotName string + PublicationName string + IncludedTables []string + ExcludedTables []string + IgnoreChangeColumns []string + NatsURL string + NatsSubject string + AuditConfigured bool + SearchTables []string + SearchSnapshot bool +} + +func LoadConfig() *Config { + databaseURL := getEnv("DATABASE_URL", "postgres://postgres:postgres@localhost:5432/postgres") + databaseURL = normalizeDatabaseURL(databaseURL) + + config := &Config{ + DatabaseURL: databaseURL, + LogLevel: getEnv("LOG_LEVEL", LOG_LEVEL_INFO), + SlotName: getEnv("SLOT_NAME", "pgstack"), + PublicationName: getEnv("PUBLICATION_NAME", "pgstack"), + NatsURL: getEnv("NATS_URL", ""), + NatsSubject: getEnv("NATS_SUBJECT", ""), + SearchSnapshot: getEnvBool("SEARCH_SNAPSHOT", false), + } + + if searchTables := os.Getenv("SEARCH_TABLES"); searchTables != "" { + config.SearchTables = splitAndTrim(searchTables) + } + + if !isValidLogLevel(config.LogLevel) { + panic("Invalid log level " + config.LogLevel + ". Must be one of " + strings.Join(LOG_LEVELS, ", ")) + } + + includedTables, includedConfigured := os.LookupEnv("AUDIT_INCLUDED_TABLES") + excludedTables, excludedConfigured := os.LookupEnv("AUDIT_EXCLUDED_TABLES") + if includedConfigured && excludedConfigured { + panic("AUDIT_INCLUDED_TABLES and AUDIT_EXCLUDED_TABLES cannot both be set") + } + config.AuditConfigured = includedConfigured || excludedConfigured + if includedConfigured { + config.IncludedTables = splitAndTrimNonEmpty(includedTables) + } + if excludedConfigured { + config.ExcludedTables = splitAndTrimNonEmpty(excludedTables) + } + + if ignoreChangeColumns := os.Getenv("AUDIT_IGNORE_CHANGE_COLUMNS"); ignoreChangeColumns != "" { + config.IgnoreChangeColumns = splitAndTrimNonEmpty(ignoreChangeColumns) + } + + return config +} + +func splitAndTrim(value string) []string { + values := strings.Split(value, ",") + for i := range values { + values[i] = strings.TrimSpace(values[i]) + } + return values +} + +func splitAndTrimNonEmpty(value string) []string { + if strings.TrimSpace(value) == "" { + return nil + } + return splitAndTrim(value) +} + +func getEnvBool(key string, defaultValue bool) bool { + value := strings.TrimSpace(strings.ToLower(os.Getenv(key))) + if value == "" { + return defaultValue + } + return value == "true" || value == "1" || value == "yes" +} + +func getEnv(key, defaultValue string) string { + if value := os.Getenv(key); value != "" { + return value + } + return defaultValue +} + +func normalizeDatabaseURL(raw string) string { + // pgx expects URL userinfo to be escaped; normalize raw passwords with reserved characters. + if _, err := url.Parse(raw); err == nil { + return raw + } + + schemeIdx := strings.Index(raw, "://") + if schemeIdx == -1 { + return raw + } + + scheme := raw[:schemeIdx] + remainder := raw[schemeIdx+3:] + authorityEnd := strings.IndexAny(remainder, "/?#") + authority := remainder + suffix := "" + if authorityEnd != -1 { + authority = remainder[:authorityEnd] + suffix = remainder[authorityEnd:] + } + + atIdx := strings.LastIndex(authority, "@") + if atIdx == -1 { + return raw + } + + userInfo := authority[:atIdx] + host := authority[atIdx+1:] + if host == "" { + return raw + } + + username, password, hasPassword := strings.Cut(userInfo, ":") + normalized := scheme + "://" + host + suffix + parsed, err := url.Parse(normalized) + if err != nil { + return raw + } + + if hasPassword { + parsed.User = url.UserPassword(username, password) + } else { + parsed.User = url.User(username) + } + + return parsed.String() +} + +func (c *Config) ShouldProcessTable(schema, table string) bool { + return c.ShouldAuditTable(schema, table) || c.ShouldSearchTable(schema, table) +} + +func (c *Config) ShouldAuditTable(schema, table string) bool { + if !c.AuditConfigured { + return false + } + fullName := schema + "." + table + + if len(c.ExcludedTables) > 0 { + for _, excluded := range c.ExcludedTables { + if excluded == fullName || excluded == table { + return false + } + } + } + + if len(c.IncludedTables) > 0 { + for _, included := range c.IncludedTables { + if included == fullName || included == table { + return true + } + } + return false + } + + return true +} + +func (c *Config) ShouldSearchTable(schema, table string) bool { + fullName := schema + "." + table + for _, configured := range c.SearchTables { + if configured == fullName { + return true + } + } + return false +} + +func (c *Config) ShouldIgnoreColumn(schema, table, column string) bool { + if len(c.IgnoreChangeColumns) == 0 { + return false + } + + for _, rule := range c.IgnoreChangeColumns { + parts := strings.Split(rule, ".") + if len(parts) != 3 { + continue + } + + ruleSchema, ruleTable, ruleColumn := parts[0], parts[1], parts[2] + + // Check schema match + schemaMatch := ruleSchema == "*" || ruleSchema == schema + + // Check table match + tableMatch := ruleTable == "*" || ruleTable == table + + // Check column match (supports wildcard suffix like *_at) + var columnMatch bool + if strings.HasPrefix(ruleColumn, "*") { + suffix := strings.TrimPrefix(ruleColumn, "*") + columnMatch = strings.HasSuffix(column, suffix) + } else { + columnMatch = ruleColumn == column + } + + if schemaMatch && tableMatch && columnMatch { + return true + } + } + + return false +} diff --git a/cdc/config_test.go b/cdc/config_test.go new file mode 100644 index 0000000..c2a08c1 --- /dev/null +++ b/cdc/config_test.go @@ -0,0 +1,91 @@ +package main + +import ( + "testing" + + "github.com/jackc/pgx/v5/pgconn" +) + +func TestLoadConfigDefaultsLogLevel(t *testing.T) { + t.Setenv("LOG_LEVEL", "") + + config := LoadConfig() + + if config.LogLevel != LOG_LEVEL_INFO { + t.Fatalf("expected default log level %q, got %q", LOG_LEVEL_INFO, config.LogLevel) + } +} + +func TestLoadConfigReadsLogLevelFromEnv(t *testing.T) { + t.Setenv("LOG_LEVEL", LOG_LEVEL_DEBUG) + + config := LoadConfig() + + if config.LogLevel != LOG_LEVEL_DEBUG { + t.Fatalf("expected env log level %q, got %q", LOG_LEVEL_DEBUG, config.LogLevel) + } +} + +func TestNormalizeDatabaseURLEscapesUserInfo(t *testing.T) { + raw := "postgres://user:go12^$@db-prod.slug.us-east-1.rds.amazonaws.com:5432/database" + + got := normalizeDatabaseURL(raw) + want := "postgres://user:go12%5E$@db-prod.slug.us-east-1.rds.amazonaws.com:5432/database" + + if got != want { + t.Fatalf("normalized URL mismatch:\nwant: %s\ngot: %s", want, got) + } + + if _, err := pgconn.ParseConfig(got); err != nil { + t.Fatalf("normalized URL should parse: %v", err) + } +} + +func TestNormalizeDatabaseURLLeavesKeywordDSNUntouched(t *testing.T) { + raw := "host=localhost port=5432 user=postgres password=go$1^3..." + + got := normalizeDatabaseURL(raw) + + if got != raw { + t.Fatalf("expected keyword DSN to remain unchanged:\nwant: %s\ngot: %s", raw, got) + } +} + +func TestShouldProcessUnionOfAuditAndSearchTables(t *testing.T) { + config := &Config{ + AuditConfigured: true, + IncludedTables: []string{"public.audit_events"}, + SearchTables: []string{"public.documents"}, + } + + if !config.ShouldProcessTable("public", "audit_events") { + t.Fatal("expected Audit table to be processed") + } + if !config.ShouldProcessTable("public", "documents") { + t.Fatal("expected Search table to be processed") + } + if config.ShouldProcessTable("public", "unused") { + t.Fatal("expected unused table to be discarded") + } +} + +func TestSearchTablesStillProcessWhenAuditDisabled(t *testing.T) { + config := &Config{AuditConfigured: false, SearchTables: []string{"public.documents"}} + if config.ShouldAuditTable("public", "documents") { + t.Fatal("expected Audit routing to be disabled") + } + if !config.ShouldProcessTable("public", "documents") { + t.Fatal("expected Search routing to remain enabled") + } +} + +func TestLoadConfigDerivesAuditFromFilterPresence(t *testing.T) { + t.Setenv("AUDIT_EXCLUDED_TABLES", "") + config := LoadConfig() + if !config.AuditConfigured { + t.Fatal("expected an explicitly empty exclusion list to enable Audit for all tables") + } + if !config.ShouldAuditTable("public", "documents") { + t.Fatal("expected Audit to include tables when no exclusions are configured") + } +} diff --git a/cdc/go.mod b/cdc/go.mod new file mode 100644 index 0000000..6ef233f --- /dev/null +++ b/cdc/go.mod @@ -0,0 +1,21 @@ +module github.com/pgstack-io/pgstack/cdc + +go 1.25.0 + +require ( + github.com/jackc/pglogrepl v0.0.0-20260401131349-e37c41485510 + github.com/jackc/pgx/v5 v5.11.0 + github.com/nats-io/nats.go v1.52.0 +) + +require ( + github.com/jackc/pgio v1.0.0 // indirect + github.com/jackc/pgpassfile v1.0.0 // indirect + github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect + github.com/klauspost/compress v1.18.5 // indirect + github.com/nats-io/nkeys v0.4.15 // indirect + github.com/nats-io/nuid v1.0.1 // indirect + golang.org/x/crypto v0.52.0 // indirect + golang.org/x/sys v0.45.0 // indirect + golang.org/x/text v0.37.0 // indirect +) diff --git a/cdc/go.sum b/cdc/go.sum new file mode 100644 index 0000000..7b4acd5 --- /dev/null +++ b/cdc/go.sum @@ -0,0 +1,42 @@ +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/jackc/pgio v1.0.0 h1:g12B9UwVnzGhueNavwioyEEpAmqMe1E/BN9ES+8ovkE= +github.com/jackc/pgio v1.0.0/go.mod h1:oP+2QK2wFfUWgr+gxjoBH9KGBb31Eio69xUb0w5bYf8= +github.com/jackc/pglogrepl v0.0.0-20260401131349-e37c41485510 h1:+PJCokZ2BhyDKlncScmiNzBwqOx+yH1i8xRlWN/wn6A= +github.com/jackc/pglogrepl v0.0.0-20260401131349-e37c41485510/go.mod h1:UzTJ5Jjuf4O9hYWW+HYVwVldYz9J7CaePW0iuNJkrPQ= +github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM= +github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg= +github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 h1:iCEnooe7UlwOQYpKFhBabPMi4aNAfoODPEFNiAnClxo= +github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM= +github.com/jackc/pgx/v5 v5.11.0 h1:IzBBtyK9AHqf98cctWFifYSci2hgQR/cd56wB4p+ogg= +github.com/jackc/pgx/v5 v5.11.0/go.mod h1:mal1tBGAFfLHvZzaYh77YS/eC6IX9OWbRV1QIIM0Jn4= +github.com/jackc/puddle/v2 v2.2.2 h1:PR8nw+E/1w0GLuRFSmiioY6UooMp6KJv0/61nB7icHo= +github.com/jackc/puddle/v2 v2.2.2/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4= +github.com/klauspost/compress v1.18.5 h1:/h1gH5Ce+VWNLSWqPzOVn6XBO+vJbCNGvjoaGBFW2IE= +github.com/klauspost/compress v1.18.5/go.mod h1:cwPg85FWrGar70rWktvGQj8/hthj3wpl0PGDogxkrSQ= +github.com/nats-io/nats.go v1.52.0 h1:n3avV4VBsCgsdwh71TppsTwtv+QdPs7ntSKM8qJLGsc= +github.com/nats-io/nats.go v1.52.0/go.mod h1:26HypzazeOkyO3/mqd1zZd53STJN0EjCYF9Uy2ZOBno= +github.com/nats-io/nkeys v0.4.15 h1:JACV5jRVO9V856KOapQ7x+EY8Jo3qw1vJt/9Jpwzkk4= +github.com/nats-io/nkeys v0.4.15/go.mod h1:CpMchTXC9fxA5zrMo4KpySxNjiDVvr8ANOSZdiNfUrs= +github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw= +github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c= +github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U= +github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U= +golang.org/x/crypto v0.52.0 h1:RMs7fP2rXdep0CftQlK8Uf+kibLm7qkCcradZWYz988= +golang.org/x/crypto v0.52.0/go.mod h1:1QgfPxDqh0T2M/elOJtp9RvuR95kVjir0e6/BvEmGbc= +golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4= +golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0= +golang.org/x/sys v0.45.0 h1:dO4czNzziLiiXplLQgBCEpCvXQ3dnkn0SdaZSYdQ+FY= +golang.org/x/sys v0.45.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw= +golang.org/x/text v0.37.0 h1:Cqjiwd9eSg8e0QAkyCaQTNHFIIzWtidPahFWR83rTrc= +golang.org/x/text v0.37.0/go.mod h1:a5sjxXGs9hsn/AJVwuElvCAo9v8QYLzvavO5z2PiM38= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/src/logger.go b/cdc/logger_utils.go similarity index 86% rename from src/logger.go rename to cdc/logger_utils.go index ed1a416..83c92a5 100644 --- a/src/logger.go +++ b/cdc/logger_utils.go @@ -22,6 +22,15 @@ var LOG_LEVELS = []string{ LOG_LEVEL_ERROR, } +func isValidLogLevel(level string) bool { + for _, validLevel := range LOG_LEVELS { + if level == validLevel { + return true + } + } + return false +} + func LogError(config *Config, message ...interface{}) { log.Println(append([]interface{}{"[ERROR]"}, message...)...) } @@ -43,9 +52,3 @@ func LogDebug(config *Config, message ...interface{}) { log.Println(append([]interface{}{"[DEBUG]"}, message...)...) } } - -func LogTrace(config *Config, message ...interface{}) { - if config.LogLevel == LOG_LEVEL_TRACE { - log.Println(append([]interface{}{"[TRACE]"}, message...)...) - } -} diff --git a/cdc/main.go b/cdc/main.go new file mode 100644 index 0000000..565a035 --- /dev/null +++ b/cdc/main.go @@ -0,0 +1,56 @@ +package main + +import ( + "context" + "fmt" + "log" + "os" + "os/signal" + "syscall" +) + +func main() { + config := LoadConfig() + + LogInfo(config, "Starting cdc...") + LogInfo(config, fmt.Sprintf("Slot: %s, Publication: %s", config.SlotName, config.PublicationName)) + if len(config.IncludedTables) > 0 { + LogInfo(config, fmt.Sprintf("Included tables: %v", config.IncludedTables)) + } + if len(config.ExcludedTables) > 0 { + LogInfo(config, fmt.Sprintf("Excluded tables: %v", config.ExcludedTables)) + } + if len(config.IgnoreChangeColumns) > 0 { + LogInfo(config, fmt.Sprintf("Ignore change columns: %v", config.IgnoreChangeColumns)) + } + + ctx, cancel := context.WithCancel(context.Background()) + defer cancel() + + if err := SetupReplicaIdentity(ctx, config); err != nil { + LogWarn(config, "Failed to setup replica identity:", err) + } + + handler, err := NewReplicationHandler(config) + if err != nil { + log.Fatalf("Failed to create replication handler: %v", err) + } + defer handler.Close() + + sigChan := make(chan os.Signal, 1) + signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) + + go func() { + <-sigChan + LogInfo(config, "Shutting down...") + cancel() + }() + + if err := handler.Start(ctx); err != nil { + if err != context.Canceled { + log.Fatalf("Replication error: %v", err) + } + } + + LogInfo(config, "Stopped") +} diff --git a/cdc/nats.go b/cdc/nats.go new file mode 100644 index 0000000..3881c5a --- /dev/null +++ b/cdc/nats.go @@ -0,0 +1,200 @@ +package main + +import ( + "bytes" + "context" + "encoding/base64" + "encoding/json" + "fmt" + "time" + + "github.com/nats-io/nats.go" + "github.com/nats-io/nats.go/jetstream" +) + +const ( + PRODUCT_AUDIT = "audit" + PRODUCT_SEARCH = "search" +) + +type NatsPublisher struct { + nc *nats.Conn + js jetstream.JetStream + subject string + enabled bool +} + +func NewNatsPublisher(config *Config) (*NatsPublisher, error) { + if config.NatsURL == "" || config.NatsSubject == "" { + LogInfo(config, "NATS URL or subject not configured, publishing disabled") + return &NatsPublisher{enabled: false}, nil + } + + nc, err := nats.Connect(config.NatsURL) + if err != nil { + return nil, fmt.Errorf("failed to connect to NATS: %w", err) + } + js, err := jetstream.New(nc) + if err != nil { + nc.Close() + return nil, fmt.Errorf("failed to create JetStream publisher: %w", err) + } + + LogInfo(config, fmt.Sprintf("Connected to NATS at %s, publishing to subject: %s", config.NatsURL, config.NatsSubject)) + return &NatsPublisher{ + nc: nc, + js: js, + subject: config.NatsSubject, + enabled: true, + }, nil +} + +func (np *NatsPublisher) PublishChange(change *ChangeMessage) error { + if !np.enabled { + return nil + } + + data, err := json.Marshal(change) + if err != nil { + return fmt.Errorf("failed to marshal change: %w", err) + } + + if _, err := np.js.Publish(context.Background(), np.subject, data); err != nil { + return fmt.Errorf("failed to commit message to NATS JetStream: %w", err) + } + + return nil +} + +func (np *NatsPublisher) Flush() error { + if !np.enabled || np.nc == nil { + return nil + } + + if err := np.nc.Flush(); err != nil { + return fmt.Errorf("failed to flush NATS connection: %w", err) + } + + return nil +} + +func (np *NatsPublisher) Close() { + if np.enabled && np.nc != nil { + np.nc.Close() + } +} + +type ChangeMessage struct { + Before map[string]interface{} `json:"before,omitempty"` + After map[string]interface{} `json:"after,omitempty"` + Source SourceMetadata `json:"source"` + Op string `json:"op"` + TsUs int64 `json:"ts_us"` + Message *MessagePayload `json:"message,omitempty"` + Products []string `json:"products,omitempty"` +} + +type MessagePayload struct { + Prefix string `json:"prefix"` + Content string `json:"content"` +} + +type SourceMetadata struct { + TsUs int64 `json:"ts_us"` + Db string `json:"db"` + Schema string `json:"schema"` + Table string `json:"table"` + TxId uint32 `json:"txId"` + Lsn uint64 `json:"lsn"` + Pk []string `json:"pk,omitempty"` +} + +func CreateChangeMessage(change Change, txn *Transaction, lsn uint64, dbName string, primaryKey []string) *ChangeMessage { + now := time.Now() + tsUs := now.UnixMicro() + + msg := &ChangeMessage{ + Before: change.Before, + After: change.After, + Op: getOpCode(change.Operation), + TsUs: tsUs, + Source: SourceMetadata{ + TsUs: txn.CommitTime.UnixMicro(), + Db: dbName, + Schema: change.Schema, + Table: change.Table, + TxId: txn.XID, + Lsn: lsn, + Pk: primaryKey, + }, + } + + return msg +} + +func CreateLogicalMessage(logicalMsg LogicalMessage, txn *Transaction, lsn uint64, dbName string) *ChangeMessage { + now := time.Now() + tsUs := now.UnixMicro() + content := normalizeLogicalMessageContent(logicalMsg.Content) + + msg := &ChangeMessage{ + Op: OPERATION_MESSAGE, + TsUs: tsUs, + Source: SourceMetadata{ + TsUs: txn.CommitTime.UnixMicro(), + Db: dbName, + Schema: "", + Table: "", + TxId: txn.XID, + Lsn: lsn, + }, + Message: &MessagePayload{ + Prefix: logicalMsg.Prefix, + Content: base64.StdEncoding.EncodeToString(content), + }, + } + + return msg +} + +func normalizeLogicalMessageContent(rawContent []byte) []byte { + content := bytes.TrimSpace(rawContent) + if json.Valid(content) { + var value interface{} + if err := json.Unmarshal(content, &value); err != nil { + return content + } + + cleaned, err := json.Marshal(removeNullBytes(value)) + if err != nil { + return content + } + + return cleaned + } + + return bytes.ReplaceAll(content, []byte{0}, nil) +} + +func removeNullBytes(value interface{}) interface{} { + switch v := value.(type) { + case nil: + return nil + case string: + return string(bytes.ReplaceAll([]byte(v), []byte{0}, nil)) + case []interface{}: + cleaned := make([]interface{}, len(v)) + for i, item := range v { + cleaned[i] = removeNullBytes(item) + } + return cleaned + case map[string]interface{}: + cleaned := make(map[string]interface{}, len(v)) + for key, item := range v { + cleaned[key] = removeNullBytes(item) + } + return cleaned + default: + return value + } +} diff --git a/cdc/operation.go b/cdc/operation.go new file mode 100644 index 0000000..53f930d --- /dev/null +++ b/cdc/operation.go @@ -0,0 +1,9 @@ +package main + +const ( + OPERATION_CREATE = "c" + OPERATION_UPDATE = "u" + OPERATION_DELETE = "d" + OPERATION_TRUNCATE = "t" + OPERATION_MESSAGE = "m" +) diff --git a/cdc/replication.go b/cdc/replication.go new file mode 100644 index 0000000..7d8ebc0 --- /dev/null +++ b/cdc/replication.go @@ -0,0 +1,876 @@ +package main + +import ( + "context" + "encoding/json" + "errors" + "fmt" + "time" + + "github.com/jackc/pglogrepl" + "github.com/jackc/pgx/v5" + "github.com/jackc/pgx/v5/pgconn" + "github.com/jackc/pgx/v5/pgproto3" +) + +const ( + MAX_CHANGE_SIZE_BYTES = 2097152 // 2MB + MAX_LOGICAL_MESSAGE_SIZE_BYTES = 10240 // 10KB + APPLICATION_NAME = "PgStack" + ACTIVE_SLOT_TERMINATION_WAIT = 5 * time.Second + TRANSACTION_STANDBY_TIMEOUT = 30 * time.Second + PGOUTPUT_PLUGIN = "pgoutput" + PG_DUPLICATE_OBJECT_CODE = "42710" + REPLICATION_SLOT_WAL_LOST = "lost" + UNCHANGED_TOAST = "UNCHANGED_TOAST" + MESSAGE_PREFIX_CONTEXT = "_bemi" +) + +type ReplicationHandler struct { + conn *pgconn.PgConn + config *Config + relations map[uint32]*pglogrepl.RelationMessage + primaryKeys map[uint32][]string + typeMap *TypeMap + txnBuffer *TransactionBuffer + lastWrittenLSN pglogrepl.LSN + standbyTimeout time.Duration + natsPublisher *NatsPublisher + dbName string +} + +func NewReplicationHandler(config *Config) (*ReplicationHandler, error) { + connConfig, err := pgconn.ParseConfig(config.DatabaseURL) + if err != nil { + return nil, fmt.Errorf("failed to parse database URL: %w", err) + } + + typeMap, err := LoadTypeMap(context.Background(), config.DatabaseURL) + if err != nil { + return nil, fmt.Errorf("failed to load type map: %w", err) + } + + natsPublisher, err := NewNatsPublisher(config) + if err != nil { + return nil, fmt.Errorf("failed to create NATS publisher: %w", err) + } + + return &ReplicationHandler{ + config: config, + relations: make(map[uint32]*pglogrepl.RelationMessage), + primaryKeys: make(map[uint32][]string), + typeMap: typeMap, + txnBuffer: NewTransactionBuffer(), + standbyTimeout: time.Second * 10, + natsPublisher: natsPublisher, + dbName: connConfig.Database, + }, nil +} + +func (r *ReplicationHandler) Start(ctx context.Context) error { + if _, err := r.ensureReplicationSlot(ctx); err != nil { + return fmt.Errorf("failed to ensure replication slot: %w", err) + } + if r.config.SearchSnapshot { + if err := r.RunSearchSnapshot(ctx); err != nil { + return fmt.Errorf("failed to run search snapshot: %w", err) + } + } + if err := r.terminateActiveReplicationSlotConnection(ctx); err != nil { + return fmt.Errorf("failed to terminate active replication slot connection: %w", err) + } + if err := r.recreateLostReplicationSlot(ctx); err != nil { + return fmt.Errorf("failed to recover replication slot: %w", err) + } + + pluginArguments := []string{ + "proto_version '1'", + fmt.Sprintf("publication_names '%s'", r.config.PublicationName), + "messages 'true'", + } + + if err := r.connectReplication(ctx); err != nil { + return fmt.Errorf("failed to connect for replication: %w", err) + } + + err := pglogrepl.StartReplication( + ctx, + r.conn, + r.config.SlotName, + 0, + pglogrepl.StartReplicationOptions{ + PluginArgs: pluginArguments, + }, + ) + if err != nil { + return fmt.Errorf("failed to start replication: %w", err) + } + + LogInfo(r.config, "Logical replication started from slot:", r.config.SlotName) + + standbyMessageTicker := time.NewTicker(r.standbyTimeout) + defer standbyMessageTicker.Stop() + + for { + select { + case <-ctx.Done(): + return ctx.Err() + case <-standbyMessageTicker.C: + if err := r.sendStandbyStatusUpdate(ctx); err != nil { + return fmt.Errorf("failed to send standby status: %w", err) + } + default: + if err := r.receiveMessage(ctx); err != nil { + return err + } + } + } +} + +func connectReplication(ctx context.Context, databaseURL string) (*pgconn.PgConn, error) { + connConfig, err := pgconn.ParseConfig(databaseURL) + if err != nil { + return nil, fmt.Errorf("failed to parse database URL: %w", err) + } + connConfig.RuntimeParams["replication"] = "database" + connConfig.RuntimeParams["application_name"] = APPLICATION_NAME + + conn, err := pgconn.ConnectConfig(ctx, connConfig) + if err != nil { + return nil, fmt.Errorf("failed to connect to database: %w", err) + } + + return conn, nil +} + +func (r *ReplicationHandler) connectReplication(ctx context.Context) error { + if r.conn != nil { + if err := r.conn.Close(ctx); err != nil { + LogWarn(r.config, "Failed to close old replication connection:", err) + } + r.conn = nil + } + + conn, err := connectReplication(ctx, r.config.DatabaseURL) + if err != nil { + return err + } + + r.conn = conn + return nil +} + +func (r *ReplicationHandler) ensureReplicationSlot(ctx context.Context) (pglogrepl.LSN, error) { + conn, err := connectReplication(ctx, r.config.DatabaseURL) + if err != nil { + return 0, err + } + defer conn.Close(ctx) + + result, err := pglogrepl.CreateReplicationSlot(ctx, conn, r.config.SlotName, PGOUTPUT_PLUGIN, pglogrepl.CreateReplicationSlotOptions{}) + if err != nil { + if isDuplicateReplicationSlotError(err) { + LogInfo(r.config, "Replication slot already exists:", r.config.SlotName) + return 0, nil + } + return 0, err + } + + lsn, err := pglogrepl.ParseLSN(result.ConsistentPoint) + if err != nil { + return 0, fmt.Errorf("failed to parse replication slot consistent point %q: %w", result.ConsistentPoint, err) + } + + LogInfo(r.config, fmt.Sprintf("Created replication slot %s at %s", result.SlotName, result.ConsistentPoint)) + return lsn, nil +} + +func (r *ReplicationHandler) recreateLostReplicationSlot(ctx context.Context) error { + conn, err := pgx.Connect(ctx, r.config.DatabaseURL) + if err != nil { + return fmt.Errorf("failed to connect to database: %w", err) + } + defer conn.Close(ctx) + + var walStatus *string + if err := conn.QueryRow(ctx, ` + SELECT wal_status + FROM pg_replication_slots + WHERE slot_name = $1 + `, r.config.SlotName).Scan(&walStatus); err != nil { + if errors.Is(err, pgx.ErrNoRows) { + return nil + } + return fmt.Errorf("failed to query replication slot status: %w", err) + } + + if walStatus == nil || *walStatus != REPLICATION_SLOT_WAL_LOST { + return nil + } + + LogWarn(r.config, fmt.Sprintf( + "Replication slot %s is lost; recreating it at the current WAL position", + r.config.SlotName, + )) + + if _, err := conn.Exec(ctx, `SELECT pg_drop_replication_slot($1)`, r.config.SlotName); err != nil { + return fmt.Errorf("failed to drop lost replication slot: %w", err) + } + if _, err := r.ensureReplicationSlot(ctx); err != nil { + return fmt.Errorf("failed to recreate lost replication slot: %w", err) + } + + return nil +} + +func (r *ReplicationHandler) terminateActiveReplicationSlotConnection(ctx context.Context) error { + conn, err := pgx.Connect(ctx, r.config.DatabaseURL) + if err != nil { + return fmt.Errorf("failed to connect to database: %w", err) + } + defer conn.Close(ctx) + + activePID, err := replicationSlotActivePID(ctx, conn, r.config.SlotName) + if err != nil { + return err + } + if activePID == nil { + return nil + } + + var terminated bool + if err := conn.QueryRow(ctx, `SELECT pg_terminate_backend($1)`, *activePID).Scan(&terminated); err != nil { + return fmt.Errorf("failed to terminate backend %d: %w", *activePID, err) + } + if !terminated { + return fmt.Errorf("postgres did not terminate backend %d", *activePID) + } + + LogInfo(r.config, fmt.Sprintf("Terminated backend %d using replication slot %s", *activePID, r.config.SlotName)) + + select { + case <-ctx.Done(): + return ctx.Err() + case <-time.After(ACTIVE_SLOT_TERMINATION_WAIT): + return nil + } +} + +func replicationSlotActivePID(ctx context.Context, conn *pgx.Conn, slotName string) (*int32, error) { + var activePID *int32 + if err := conn.QueryRow(ctx, ` + SELECT active_pid + FROM pg_replication_slots + WHERE slot_name = $1 + `, slotName).Scan(&activePID); err != nil { + if errors.Is(err, pgx.ErrNoRows) { + return nil, nil + } + return nil, fmt.Errorf("failed to query active PID for replication slot: %w", err) + } + + return activePID, nil +} + +func isDuplicateReplicationSlotError(err error) bool { + var pgErr *pgconn.PgError + return errors.As(err, &pgErr) && pgErr.Code == PG_DUPLICATE_OBJECT_CODE +} + +func (r *ReplicationHandler) receiveMessage(ctx context.Context) error { + ctx, cancel := context.WithTimeout(ctx, time.Second*1) + defer cancel() + + msg, err := r.conn.ReceiveMessage(ctx) + if err != nil { + if pgconn.Timeout(err) { + return nil + } + return fmt.Errorf("failed to receive message: %w", err) + } + + switch msg := msg.(type) { + case *pgproto3.CopyData: + return r.handleCopyData(msg.Data) + default: + LogError(r.config, fmt.Sprintf("Received unexpected message: %T", msg)) + } + + return nil +} + +func (r *ReplicationHandler) handleCopyData(data []byte) error { + if data[0] == pglogrepl.PrimaryKeepaliveMessageByteID { + return r.handlePrimaryKeepalive(data[1:]) + } + + if data[0] != pglogrepl.XLogDataByteID { + return nil + } + + xld, err := pglogrepl.ParseXLogData(data[1:]) + if err != nil { + return fmt.Errorf("failed to parse XLogData: %w", err) + } + + if err := r.handleWALData(xld.WALData, uint64(xld.WALStart)); err != nil { + return err + } + + // Only acknowledge WAL after handling it successfully. In particular, a + // transaction commit is not acknowledged until every JetStream PubAck has + // been received. + r.lastWrittenLSN = xld.WALStart + pglogrepl.LSN(len(xld.WALData)) + return nil +} + +func (r *ReplicationHandler) handleWALData(walData []byte, walStart uint64) error { + logicalMsg, err := pglogrepl.Parse(walData) + if err != nil { + return fmt.Errorf("failed to parse logical replication message: %w", err) + } + + switch msg := logicalMsg.(type) { + case *pglogrepl.RelationMessage: + r.relations[msg.RelationID] = msg + r.extractPrimaryKey(msg) + + case *pglogrepl.BeginMessage: + r.txnBuffer.Begin(msg) + + case *pglogrepl.InsertMessage: + r.handleInsert(msg, walStart) + + case *pglogrepl.UpdateMessage: + r.handleUpdate(msg, walStart) + + case *pglogrepl.DeleteMessage: + r.handleDelete(msg, walStart) + + case *pglogrepl.CommitMessage: + r.txnBuffer.Commit(msg) + if err := r.flushTransaction(); err != nil { + return err + } + + case *pglogrepl.TruncateMessage: + r.handleTruncate(msg, walStart) + + case *pglogrepl.TypeMessage: + LogInfo(r.config, fmt.Sprintf("Type message: %+v", msg)) + + case *pglogrepl.OriginMessage: + LogInfo(r.config, fmt.Sprintf("Origin message: %+v", msg)) + + case *pglogrepl.LogicalDecodingMessage: + r.handleLogicalMessage(msg, walStart) + } + + return nil +} + +func (r *ReplicationHandler) handleInsert(msg *pglogrepl.InsertMessage, walStart uint64) { + rel, ok := r.relations[msg.RelationID] + if !ok { + LogError(r.config, "Unknown relation ID:", msg.RelationID) + return + } + + if !r.config.ShouldProcessTable(rel.Namespace, rel.RelationName) { + return + } + + values := r.decodeRow(rel, msg.Tuple) + change := Change{ + Operation: "INSERT", + Schema: rel.Namespace, + Table: rel.RelationName, + Position: walStart, + After: values, + } + + if r.isChangeTooLarge(change) { + return + } + + r.txnBuffer.AddChange(change) +} + +func (r *ReplicationHandler) handleUpdate(msg *pglogrepl.UpdateMessage, walStart uint64) { + rel, ok := r.relations[msg.RelationID] + if !ok { + LogError(r.config, "Unknown relation ID:", msg.RelationID) + return + } + + if !r.config.ShouldProcessTable(rel.Namespace, rel.RelationName) { + return + } + + var before map[string]interface{} + if msg.OldTuple != nil { + before = r.decodeRow(rel, msg.OldTuple) + } + + after := r.decodeRow(rel, msg.NewTuple) + resolveUnchangedToastFromBefore(msg.OldTupleType, before, after) + + // Check if only ignored columns have changed + if r.shouldSkipUpdate(rel.Namespace, rel.RelationName, before, after) && !r.config.ShouldSearchTable(rel.Namespace, rel.RelationName) { + LogInfo(r.config, "Skipping no-diff changes in", rel.Namespace+"."+rel.RelationName) + return + } + + change := Change{ + Operation: "UPDATE", + Schema: rel.Namespace, + Table: rel.RelationName, + Position: walStart, + Before: before, + After: after, + } + + if r.isChangeTooLarge(change) { + return + } + + r.txnBuffer.AddChange(change) +} + +func (r *ReplicationHandler) handleDelete(msg *pglogrepl.DeleteMessage, walStart uint64) { + rel, ok := r.relations[msg.RelationID] + if !ok { + LogError(r.config, "Unknown relation ID:", msg.RelationID) + return + } + + if !r.config.ShouldProcessTable(rel.Namespace, rel.RelationName) { + return + } + + var before map[string]interface{} + if msg.OldTuple != nil { + before = r.decodeRow(rel, msg.OldTuple) + } + + change := Change{ + Operation: "DELETE", + Schema: rel.Namespace, + Table: rel.RelationName, + Position: walStart, + Before: before, + } + + if r.isChangeTooLarge(change) { + return + } + + r.txnBuffer.AddChange(change) +} + +func (r *ReplicationHandler) handleTruncate(msg *pglogrepl.TruncateMessage, walStart uint64) { + for _, relID := range msg.RelationIDs { + rel, ok := r.relations[relID] + if !ok { + continue + } + + if !r.config.ShouldProcessTable(rel.Namespace, rel.RelationName) { + continue + } + + change := Change{ + Operation: "TRUNCATE", + Schema: rel.Namespace, + Table: rel.RelationName, + Position: walStart, + } + + if r.isChangeTooLarge(change) { + continue + } + + r.txnBuffer.AddChange(change) + } +} + +func (r *ReplicationHandler) handleLogicalMessage(msg *pglogrepl.LogicalDecodingMessage, walStart uint64) { + lm := LogicalMessage{ + Prefix: msg.Prefix, + Content: append([]byte(nil), msg.Content...), + Transactional: msg.Transactional, + Position: walStart, + } + + if r.shouldIgnoreLogicalMessage(lm) { + return + } + + r.txnBuffer.AddLogicalMessage(lm) +} + +func (r *ReplicationHandler) flushTransaction() error { + txn := r.txnBuffer.GetTransaction() + if txn == nil { + return nil + } + + nextStandbyStatus := time.Now().Add(TRANSACTION_STANDBY_TIMEOUT) + sendStandbyStatusIfDue := func() error { + if time.Now().Before(nextStandbyStatus) { + return nil + } + if err := r.sendStandbyStatusUpdate(context.Background()); err != nil { + return err + } + nextStandbyStatus = time.Now().Add(TRANSACTION_STANDBY_TIMEOUT) + return nil + } + + for _, change := range txn.Changes { + if err := sendStandbyStatusIfDue(); err != nil { + return fmt.Errorf("failed to send standby status while flushing transaction %d: %w", txn.XID, err) + } + + LogDebug(r.config, fmt.Sprintf("[%s] %s.%s", change.Operation, change.Schema, change.Table)) + + // Publish to NATS + primaryKey := r.getPrimaryKeyForChange(change) + msg := CreateChangeMessage(change, txn, change.Position, r.dbName, primaryKey) + if r.config.ShouldAuditTable(change.Schema, change.Table) && + (change.Operation != "UPDATE" || !r.shouldSkipUpdate(change.Schema, change.Table, change.Before, change.After)) { + msg.Products = append(msg.Products, PRODUCT_AUDIT) + } + if r.config.ShouldSearchTable(change.Schema, change.Table) { + msg.Products = append(msg.Products, PRODUCT_SEARCH) + } + if len(msg.Products) == 0 { + continue + } + if err := r.natsPublisher.PublishChange(msg); err != nil { + return fmt.Errorf("failed to publish transaction %d change at LSN %d: %w", txn.XID, change.Position, err) + } + } + + for _, lm := range txn.LogicalMessages { + if err := sendStandbyStatusIfDue(); err != nil { + return fmt.Errorf("failed to send standby status while flushing transaction %d: %w", txn.XID, err) + } + + LogDebug(r.config, "[MESSAGE] Prefix:", lm.Prefix) + + // Publish to NATS + msg := CreateLogicalMessage(lm, txn, lm.Position, r.dbName) + if r.config.AuditConfigured { + msg.Products = []string{PRODUCT_AUDIT} + if err := r.natsPublisher.PublishChange(msg); err != nil { + return fmt.Errorf("failed to publish transaction %d logical message at LSN %d: %w", txn.XID, lm.Position, err) + } + } + } + + return nil +} + +func (r *ReplicationHandler) decodeRow(rel *pglogrepl.RelationMessage, tuple *pglogrepl.TupleData) map[string]interface{} { + values := make(map[string]interface{}) + + for idx, col := range tuple.Columns { + if idx >= len(rel.Columns) { + continue + } + + colName := rel.Columns[idx].Name + + switch col.DataType { + case 'n': + values[colName] = nil + case 'u': + values[colName] = UNCHANGED_TOAST + case 't': + values[colName] = r.typeMap.DecodeValue(rel.Columns[idx].DataType, col.Data) + } + } + + return values +} + +func resolveUnchangedToastFromBefore(oldTupleType uint8, before, after map[string]interface{}) { + if oldTupleType != pglogrepl.UpdateMessageTupleTypeOld || before == nil || after == nil { + return + } + + for key, afterVal := range after { + if afterVal != UNCHANGED_TOAST { + continue + } + + beforeVal, ok := before[key] + if !ok || beforeVal == UNCHANGED_TOAST { + continue + } + + after[key] = beforeVal + } +} + +func (r *ReplicationHandler) handlePrimaryKeepalive(data []byte) error { + pkm, err := pglogrepl.ParsePrimaryKeepaliveMessage(data) + if err != nil { + return fmt.Errorf("failed to parse keepalive: %w", err) + } + + if pkm.ReplyRequested { + return r.sendStandbyStatusUpdate(context.Background()) + } + + return nil +} + +func (r *ReplicationHandler) sendStandbyStatusUpdate(ctx context.Context) error { + return pglogrepl.SendStandbyStatusUpdate( + ctx, + r.conn, + pglogrepl.StandbyStatusUpdate{ + WALWritePosition: r.lastWrittenLSN, + }, + ) +} + +func (r *ReplicationHandler) extractPrimaryKey(rel *pglogrepl.RelationMessage) { + pkCols, err := loadPrimaryKey(context.Background(), r.config.DatabaseURL, rel.Namespace, rel.RelationName) + if err != nil { + LogError(r.config, "Failed to load primary key for", rel.Namespace+"."+rel.RelationName+":", err) + return + } + r.primaryKeys[rel.RelationID] = pkCols +} + +func loadPrimaryKey(ctx context.Context, databaseURL, schema, table string) ([]string, error) { + conn, err := pgx.Connect(ctx, databaseURL) + if err != nil { + return nil, fmt.Errorf("failed to connect: %w", err) + } + defer conn.Close(ctx) + return queryPrimaryKey(ctx, conn, schema, table) +} + +type primaryKeyQuerier interface { + Query(ctx context.Context, sql string, args ...any) (pgx.Rows, error) +} + +func queryPrimaryKey(ctx context.Context, querier primaryKeyQuerier, schema, table string) ([]string, error) { + rows, err := querier.Query(ctx, primaryKeyQuery(), schema, table) + if err != nil { + return nil, fmt.Errorf("failed to query primary key: %w", err) + } + defer rows.Close() + + var pkCols []string + for rows.Next() { + var columnName string + if err := rows.Scan(&columnName); err != nil { + return nil, fmt.Errorf("failed to scan primary key column: %w", err) + } + pkCols = append(pkCols, columnName) + } + if err := rows.Err(); err != nil { + return nil, fmt.Errorf("failed to read primary key rows: %w", err) + } + + return pkCols, nil +} + +func primaryKeyQuery() string { + return ` + WITH primary_key_columns AS ( + SELECT a.attname AS column_name, key.ordinality::int AS ordinal_position + FROM pg_index i + JOIN pg_class c ON c.oid = i.indrelid + JOIN pg_namespace n ON n.oid = c.relnamespace + CROSS JOIN LATERAL unnest(i.indkey) WITH ORDINALITY AS key(attnum, ordinality) + JOIN pg_attribute a + ON a.attrelid = c.oid + AND a.attnum = key.attnum + WHERE i.indisprimary + AND n.nspname = $1 + AND c.relname = $2 + ), + fallback_id_columns AS ( + SELECT a.attname AS column_name, a.attnum::int AS ordinal_position + FROM pg_class c + JOIN pg_namespace n ON n.oid = c.relnamespace + JOIN pg_attribute a ON a.attrelid = c.oid + LEFT JOIN pg_attrdef d ON d.adrelid = c.oid AND d.adnum = a.attnum + WHERE n.nspname = $1 + AND c.relname = $2 + AND c.relkind IN ('r', 'p') + AND a.attname = 'id' + AND a.attnotnull + AND a.attnum > 0 + AND NOT a.attisdropped + AND ( + a.attidentity <> '' + OR pg_get_expr(d.adbin, d.adrelid) LIKE 'nextval(%' + ) + AND NOT EXISTS (SELECT 1 FROM primary_key_columns) + ), + key_columns AS ( + SELECT column_name, ordinal_position + FROM primary_key_columns + UNION ALL + SELECT column_name, ordinal_position + FROM fallback_id_columns + ) + SELECT column_name + FROM key_columns + ORDER BY key_columns.ordinal_position + ` +} + +func (r *ReplicationHandler) getPrimaryKeyForChange(change Change) []string { + for relID, rel := range r.relations { + if rel.Namespace == change.Schema && rel.RelationName == change.Table { + return r.primaryKeys[relID] + } + } + return nil +} + +func (r *ReplicationHandler) Close() error { + r.natsPublisher.Close() + if r.conn == nil { + return nil + } + return r.conn.Close(context.Background()) +} + +func (r *ReplicationHandler) shouldSkipUpdate(schema, table string, before, after map[string]interface{}) bool { + if before == nil || after == nil { + return false + } + + // Find columns that have actually changed + var changedColumns []string + for key, beforeVal := range before { + afterVal, exists := after[key] + if !exists { + continue + } + + // Skip UNCHANGED_TOAST values + if beforeVal == UNCHANGED_TOAST || afterVal == UNCHANGED_TOAST { + continue + } + + // Check if values are different + if !valuesEqual(beforeVal, afterVal) { + changedColumns = append(changedColumns, key) + } + } + + // If no columns changed, skip + if len(changedColumns) == 0 { + return true + } + + // Check if all changed columns should be ignored + for _, col := range changedColumns { + if !r.config.ShouldIgnoreColumn(schema, table, col) { + // Found a column that shouldn't be ignored, so don't skip + return false + } + } + + // All changed columns should be ignored + return true +} + +func valuesEqual(a, b interface{}) bool { + // Handle nil cases + if a == nil && b == nil { + return true + } + if a == nil || b == nil { + return false + } + + // Simple comparison (works for basic types) + return fmt.Sprintf("%v", a) == fmt.Sprintf("%v", b) +} + +func (r *ReplicationHandler) isChangeTooLarge(change Change) bool { + // Create a temporary message to estimate size + tempMsg := &ChangeMessage{ + Before: change.Before, + After: change.After, + Op: getOpCode(change.Operation), + Source: SourceMetadata{ + Schema: change.Schema, + Table: change.Table, + }, + } + + data, err := json.Marshal(tempMsg) + if err != nil { + LogError(r.config, "Failed to marshal change for size check:", err) + return false + } + + dataSize := len(data) + + // Ignore large changes (larger than 2MB) + if dataSize > MAX_CHANGE_SIZE_BYTES { + LogWarn(r.config, fmt.Sprintf("Ignoring large change %s.%s = %.2fMB (larger than 2MB)", change.Schema, change.Table, float64(dataSize)/1000000)) + return true + } + + return false +} + +func (r *ReplicationHandler) shouldIgnoreLogicalMessage(lm LogicalMessage) bool { + if lm.Prefix != MESSAGE_PREFIX_CONTEXT { + LogDebug(r.config, "Ignoring logical message with prefix:", lm.Prefix) + return true + } + + // Create a temporary message to estimate size + tempMsg := &ChangeMessage{ + Op: OPERATION_MESSAGE, + Message: &MessagePayload{ + Prefix: lm.Prefix, + Content: string(lm.Content), + }, + } + + data, err := json.Marshal(tempMsg) + if err != nil { + LogError(r.config, "Failed to marshal logical message for size check:", err) + return false + } + + dataSize := len(data) + + // Ignore oversized logical-message operations. + if dataSize > MAX_LOGICAL_MESSAGE_SIZE_BYTES { + LogWarn(r.config, fmt.Sprintf("Ignoring large context message = %.2fKB (larger than 10KB)", float64(dataSize)/1000)) + return true + } + + return false +} + +func getOpCode(operation string) string { + switch operation { + case "INSERT": + return OPERATION_CREATE + case "UPDATE": + return OPERATION_UPDATE + case "DELETE": + return OPERATION_DELETE + case "TRUNCATE": + return OPERATION_TRUNCATE + default: + return "" + } +} diff --git a/cdc/replication_test.go b/cdc/replication_test.go new file mode 100644 index 0000000..76633eb --- /dev/null +++ b/cdc/replication_test.go @@ -0,0 +1,107 @@ +package main + +import ( + "reflect" + "strings" + "testing" + + "github.com/jackc/pglogrepl" +) + +func TestShouldIgnoreLogicalMessage(t *testing.T) { + handler := &ReplicationHandler{config: &Config{LogLevel: LOG_LEVEL_ERROR}} + + tests := []struct { + name string + prefix string + content string + want bool + }{ + {name: "small context", prefix: MESSAGE_PREFIX_CONTEXT, content: "{}", want: false}, + {name: "large context", prefix: MESSAGE_PREFIX_CONTEXT, content: strings.Repeat("a", MAX_LOGICAL_MESSAGE_SIZE_BYTES), want: true}, + {name: "non-context", prefix: "other", content: "{}", want: true}, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + logicalMessage := LogicalMessage{Prefix: tt.prefix, Content: []byte(tt.content)} + if got := handler.shouldIgnoreLogicalMessage(logicalMessage); got != tt.want { + t.Fatalf("shouldIgnoreLogicalMessage() = %t, want %t", got, tt.want) + } + }) + } +} + +func TestResolveUnchangedToastFromBeforeCopiesFromFullOldTuple(t *testing.T) { + before := map[string]interface{}{ + "id": int64(1), + "payload": "old toast value", + "name": "before", + } + after := map[string]interface{}{ + "id": int64(1), + "payload": UNCHANGED_TOAST, + "name": "after", + } + + resolveUnchangedToastFromBefore(pglogrepl.UpdateMessageTupleTypeOld, before, after) + + want := map[string]interface{}{ + "id": int64(1), + "payload": "old toast value", + "name": "after", + } + if !reflect.DeepEqual(after, want) { + t.Fatalf("resolved after mismatch:\nwant: %#v\ngot: %#v", want, after) + } +} + +func TestResolveUnchangedToastFromBeforeRequiresFullOldTuple(t *testing.T) { + before := map[string]interface{}{ + "payload": "old toast value", + } + after := map[string]interface{}{ + "payload": UNCHANGED_TOAST, + } + + resolveUnchangedToastFromBefore(pglogrepl.UpdateMessageTupleTypeKey, before, after) + + if after["payload"] != UNCHANGED_TOAST { + t.Fatalf("expected toast marker to remain without full old tuple, got %#v", after["payload"]) + } +} + +func TestResolveUnchangedToastFromBeforeLeavesUnknownValues(t *testing.T) { + tests := []struct { + name string + before map[string]interface{} + after map[string]interface{} + }{ + { + name: "missing before column", + before: map[string]interface{}{}, + after: map[string]interface{}{ + "payload": UNCHANGED_TOAST, + }, + }, + { + name: "unchanged toast before value", + before: map[string]interface{}{ + "payload": UNCHANGED_TOAST, + }, + after: map[string]interface{}{ + "payload": UNCHANGED_TOAST, + }, + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + resolveUnchangedToastFromBefore(pglogrepl.UpdateMessageTupleTypeOld, tt.before, tt.after) + + if tt.after["payload"] != UNCHANGED_TOAST { + t.Fatalf("expected unresolved toast marker, got %#v", tt.after["payload"]) + } + }) + } +} diff --git a/cdc/search_snapshot.go b/cdc/search_snapshot.go new file mode 100644 index 0000000..9e14935 --- /dev/null +++ b/cdc/search_snapshot.go @@ -0,0 +1,140 @@ +package main + +import ( + "bytes" + "context" + "encoding/json" + "fmt" + "time" + + "github.com/jackc/pglogrepl" + "github.com/jackc/pgx/v5" +) + +const SEARCH_SNAPSHOT_FLUSH_SIZE = 1000 + +func (r *ReplicationHandler) RunSearchSnapshot(ctx context.Context) error { + if len(r.config.SearchTables) == 0 { + return nil + } + + conn, err := pgx.Connect(ctx, r.config.DatabaseURL) + if err != nil { + return fmt.Errorf("failed to connect for search snapshot: %w", err) + } + defer conn.Close(ctx) + var snapshotLSNText string + if err := conn.QueryRow(ctx, "SELECT pg_current_wal_lsn()::text").Scan(&snapshotLSNText); err != nil { + return fmt.Errorf("failed to read search snapshot position: %w", err) + } + snapshotLSN, err := pglogrepl.ParseLSN(snapshotLSNText) + if err != nil { + return fmt.Errorf("failed to parse search snapshot position: %w", err) + } + tx, err := conn.BeginTx(ctx, pgx.TxOptions{IsoLevel: pgx.RepeatableRead, AccessMode: pgx.ReadOnly}) + if err != nil { + return fmt.Errorf("failed to begin search snapshot: %w", err) + } + defer tx.Rollback(ctx) + snapshotTime := time.Now() + + for _, configuredTable := range r.config.SearchTables { + schema, table, err := splitSchemaTable(configuredTable) + if err != nil { + return err + } + primaryKeys, err := queryPrimaryKey(ctx, tx, schema, table) + if err != nil { + return err + } + if len(primaryKeys) == 0 { + return fmt.Errorf("search table %s must have a primary key", configuredTable) + } + + rows, err := tx.Query(ctx, "SELECT to_jsonb(snapshot_row) FROM "+pgx.Identifier{schema, table}.Sanitize()+" AS snapshot_row") + if err != nil { + return fmt.Errorf("failed to snapshot %s: %w", configuredTable, err) + } + count := 0 + for rows.Next() { + var raw []byte + if err := rows.Scan(&raw); err != nil { + rows.Close() + return err + } + var after map[string]interface{} + decoder := json.NewDecoder(bytes.NewReader(raw)) + decoder.UseNumber() + if err := decoder.Decode(&after); err != nil { + rows.Close() + return err + } + message := &ChangeMessage{ + After: after, + Op: OPERATION_CREATE, + TsUs: snapshotTime.UnixMicro(), + Products: []string{PRODUCT_SEARCH}, + Source: SourceMetadata{ + TsUs: snapshotTime.UnixMicro(), + Db: r.dbName, + Schema: schema, + Table: table, + Lsn: uint64(snapshotLSN), + Pk: primaryKeys, + }, + } + if err := r.natsPublisher.PublishChange(message); err != nil { + rows.Close() + return err + } + count++ + if count%SEARCH_SNAPSHOT_FLUSH_SIZE == 0 { + if err := r.natsPublisher.Flush(); err != nil { + rows.Close() + return err + } + } + } + if err := rows.Err(); err != nil { + rows.Close() + return err + } + rows.Close() + // The processor normally holds an unpaired transaction tail briefly for a + // possible context message. This marker closes the synthetic snapshot batch. + if err := r.natsPublisher.PublishChange(&ChangeMessage{ + Op: OPERATION_MESSAGE, + TsUs: snapshotTime.UnixMicro(), + Products: []string{PRODUCT_SEARCH}, + Source: SourceMetadata{ + TsUs: snapshotTime.UnixMicro(), + Db: r.dbName, + Schema: schema, + Table: table, + Lsn: uint64(snapshotLSN), + }, + }); err != nil { + return err + } + if err := r.natsPublisher.Flush(); err != nil { + return err + } + LogInfo(r.config, fmt.Sprintf("Published %d search snapshot rows for %s", count, configuredTable)) + } + if err := tx.Commit(ctx); err != nil { + return fmt.Errorf("failed to commit search snapshot: %w", err) + } + return nil +} + +func splitSchemaTable(value string) (string, string, error) { + for i := 0; i < len(value); i++ { + if value[i] == '.' { + if i == 0 || i == len(value)-1 { + break + } + return value[:i], value[i+1:], nil + } + } + return "", "", fmt.Errorf("invalid schema-qualified search table %q", value) +} diff --git a/cdc/setup.go b/cdc/setup.go new file mode 100644 index 0000000..6634263 --- /dev/null +++ b/cdc/setup.go @@ -0,0 +1,105 @@ +package main + +import ( + "context" + "fmt" + + "github.com/jackc/pgx/v5" + "github.com/jackc/pgx/v5/pgconn" +) + +func SetupReplicaIdentity(ctx context.Context, config *Config) error { + connConfig, err := pgx.ParseConfig(config.DatabaseURL) + if err != nil { + return fmt.Errorf("failed to parse database config: %w", err) + } + + hadNotices := false + connConfig.OnNotice = func(_ *pgconn.PgConn, notice *pgconn.Notice) { + hadNotices = true + LogWarn(config, "PostgreSQL notice:", notice.Message) + } + + conn, err := pgx.ConnectConfig(ctx, connConfig) + if err != nil { + return fmt.Errorf("failed to connect: %w", err) + } + defer conn.Close(ctx) + + sql := fmt.Sprintf(` +DO $do$ +BEGIN + CREATE OR REPLACE PROCEDURE public._%s_set_replica_identity() + AS $$ + DECLARE current_schemaname TEXT; + DECLARE current_tablename TEXT; + BEGIN + FOR current_schemaname, current_tablename IN + SELECT t.schemaname, t.tablename + FROM pg_tables t + JOIN pg_class c ON c.relname = t.tablename + JOIN pg_namespace n ON n.oid = c.relnamespace AND n.nspname = t.schemaname + WHERE t.schemaname NOT IN ('information_schema', 'pg_catalog') + AND t.schemaname NOT LIKE 'pg_toast%%' + AND t.schemaname NOT LIKE 'pg_temp_%%' + AND c.relkind != 'f' AND c.relreplident != 'f' + LOOP + BEGIN + EXECUTE format('ALTER TABLE %%I.%%I REPLICA IDENTITY FULL', current_schemaname, current_tablename); + EXCEPTION WHEN insufficient_privilege THEN + RAISE NOTICE 'Insufficient privilege, skipping table %%.%%', current_schemaname, current_tablename; + END; + END LOOP; + END + $$ LANGUAGE plpgsql + SET search_path = ''; + + CALL public._%s_set_replica_identity(); +EXCEPTION WHEN insufficient_privilege OR read_only_sql_transaction THEN + RAISE NOTICE 'Insufficient privilege or read-only transaction, skipping replica identity setup'; +END +$do$ LANGUAGE plpgsql; + +DO $do$ +BEGIN + CREATE OR REPLACE FUNCTION public._%s_set_replica_identity_func() RETURNS event_trigger + AS $$ + BEGIN + CALL public._%s_set_replica_identity(); + END + $$ LANGUAGE plpgsql + SET search_path = ''; +EXCEPTION WHEN insufficient_privilege OR read_only_sql_transaction THEN + RAISE NOTICE 'Insufficient privilege or read-only transaction, skipping function creation'; +END +$do$ LANGUAGE plpgsql; + +DO $do$ +BEGIN + IF EXISTS (SELECT 1 FROM pg_proc p JOIN pg_namespace n ON p.pronamespace = n.oid WHERE n.nspname = 'public' AND p.proname = '_%s_set_replica_identity_func') THEN + DROP EVENT TRIGGER IF EXISTS _%s_set_replica_identity_trigger; + CREATE EVENT TRIGGER _%s_set_replica_identity_trigger ON ddl_command_end WHEN TAG IN ('CREATE TABLE') + EXECUTE FUNCTION public._%s_set_replica_identity_func(); + ELSE + RAISE NOTICE 'Function public._%s_set_replica_identity_func() does not exist, skipping event trigger creation'; + END IF; +EXCEPTION WHEN insufficient_privilege OR read_only_sql_transaction OR duplicate_object THEN + RAISE NOTICE 'Insufficient privilege, read-only transaction, or duplicate object, skipping event trigger creation'; +END +$do$ LANGUAGE plpgsql; +`, config.PublicationName, config.PublicationName, config.PublicationName, config.PublicationName, + config.PublicationName, config.PublicationName, config.PublicationName, config.PublicationName, config.PublicationName) + + _, err = conn.Exec(ctx, sql) + if err != nil { + return fmt.Errorf("failed to setup replica identity: %w", err) + } + + if hadNotices { + LogWarn(config, "Replica identity setup completed with warnings") + return nil + } + + LogInfo(config, "Replica identity setup completed") + return nil +} diff --git a/cdc/transaction.go b/cdc/transaction.go new file mode 100644 index 0000000..9b59707 --- /dev/null +++ b/cdc/transaction.go @@ -0,0 +1,70 @@ +package main + +import ( + "time" + + "github.com/jackc/pglogrepl" +) + +type Change struct { + Operation string + Schema string + Table string + Position uint64 + Before map[string]interface{} + After map[string]interface{} +} + +type LogicalMessage struct { + Prefix string + Content []byte + Transactional bool + Position uint64 +} + +type Transaction struct { + XID uint32 + CommitTime time.Time + Changes []Change + LogicalMessages []LogicalMessage +} + +type TransactionBuffer struct { + currentTxn *Transaction +} + +func NewTransactionBuffer() *TransactionBuffer { + return &TransactionBuffer{} +} + +func (tb *TransactionBuffer) Begin(msg *pglogrepl.BeginMessage) { + tb.currentTxn = &Transaction{ + XID: msg.Xid, + Changes: []Change{}, + LogicalMessages: []LogicalMessage{}, + } +} + +func (tb *TransactionBuffer) AddChange(change Change) { + if tb.currentTxn != nil { + tb.currentTxn.Changes = append(tb.currentTxn.Changes, change) + } +} + +func (tb *TransactionBuffer) AddLogicalMessage(msg LogicalMessage) { + if tb.currentTxn != nil { + tb.currentTxn.LogicalMessages = append(tb.currentTxn.LogicalMessages, msg) + } +} + +func (tb *TransactionBuffer) Commit(msg *pglogrepl.CommitMessage) { + if tb.currentTxn != nil { + tb.currentTxn.CommitTime = msg.CommitTime + } +} + +func (tb *TransactionBuffer) GetTransaction() *Transaction { + txn := tb.currentTxn + tb.currentTxn = nil + return txn +} diff --git a/cdc/typemap.go b/cdc/typemap.go new file mode 100644 index 0000000..867eb07 --- /dev/null +++ b/cdc/typemap.go @@ -0,0 +1,141 @@ +package main + +import ( + "context" + "encoding/binary" + "encoding/json" + "fmt" + "math" + "strconv" + + "github.com/jackc/pgx/v5" +) + +type TypeMap struct { + types map[uint32]string +} + +func LoadTypeMap(ctx context.Context, databaseURL string) (*TypeMap, error) { + conn, err := pgx.Connect(ctx, databaseURL) + if err != nil { + return nil, fmt.Errorf("failed to connect: %w", err) + } + defer conn.Close(ctx) + + rows, err := conn.Query(ctx, "SELECT oid, typname FROM pg_type") + if err != nil { + return nil, fmt.Errorf("failed to query types: %w", err) + } + defer rows.Close() + + types := make(map[uint32]string) + for rows.Next() { + var oid uint32 + var typname string + if err := rows.Scan(&oid, &typname); err != nil { + return nil, err + } + types[oid] = typname + } + + return &TypeMap{types: types}, nil +} + +func (tm *TypeMap) DecodeValue(dataType uint32, data []byte) interface{} { + if data == nil { + return nil + } + + typeName, ok := tm.types[dataType] + if !ok { + return string(data) + } + + switch typeName { + case "bool": + switch string(data) { + case "t", "true": + return true + case "f", "false": + return false + } + return data[0] == 1 + + case "int2": + if value, err := strconv.ParseInt(string(data), 10, 16); err == nil { + return int16(value) + } + + case "int4": + if value, err := strconv.ParseInt(string(data), 10, 32); err == nil { + return int32(value) + } + + case "int8": + if value, err := strconv.ParseInt(string(data), 10, 64); err == nil { + return value + } + + case "float4": + if value, err := strconv.ParseFloat(string(data), 32); err == nil { + if math.IsInf(value, 0) || math.IsNaN(value) { + return string(data) + } + return float32(value) + } + if len(data) == 4 { + bits := binary.BigEndian.Uint32(data) + value := math.Float32frombits(bits) + if math.IsInf(float64(value), 0) || math.IsNaN(float64(value)) { + return strconv.FormatFloat(float64(value), 'g', -1, 32) + } + return value + } + + case "float8": + if value, err := strconv.ParseFloat(string(data), 64); err == nil { + if math.IsInf(value, 0) || math.IsNaN(value) { + return string(data) + } + return value + } + if len(data) == 8 { + bits := binary.BigEndian.Uint64(data) + value := math.Float64frombits(bits) + if math.IsInf(value, 0) || math.IsNaN(value) { + return strconv.FormatFloat(value, 'g', -1, 64) + } + return value + } + + case "timestamp", "timestamptz": + return string(data) + + case "date": + return string(data) + + case "json", "jsonb": + if typeName == "jsonb" && len(data) > 0 && data[0] == 1 { + data = data[1:] + } + var result interface{} + if err := json.Unmarshal(data, &result); err == nil { + return result + } + return string(data) + + case "uuid": + if len(data) == 16 { + return fmt.Sprintf("%x-%x-%x-%x-%x", + data[0:4], data[4:6], data[6:8], data[8:10], data[10:16]) + } + + case "bytea": + return fmt.Sprintf("\\x%x", data) + + default: + return string(data) + } + + return string(data) +} diff --git a/cdc/typemap_test.go b/cdc/typemap_test.go new file mode 100644 index 0000000..2f7b03f --- /dev/null +++ b/cdc/typemap_test.go @@ -0,0 +1,69 @@ +package main + +import ( + "encoding/json" + "testing" +) + +func TestDecodeValueParsesTextInt4(t *testing.T) { + typeMap := &TypeMap{types: map[uint32]string{23: "int4"}} + + got := typeMap.DecodeValue(23, []byte("6889")) + + if got != int32(6889) { + t.Fatalf("expected text int4 to decode as 6889, got %#v", got) + } +} + +func TestDecodeValueParsesTextInt8(t *testing.T) { + typeMap := &TypeMap{types: map[uint32]string{20: "int8"}} + + got := typeMap.DecodeValue(20, []byte("2579335")) + + if got != int64(2579335) { + t.Fatalf("expected text int8 to decode as 2579335, got %#v", got) + } +} + +func TestDecodeValueParsesTextFloat4BeforeBinaryFallback(t *testing.T) { + typeMap := &TypeMap{types: map[uint32]string{700: "float4"}} + + got := typeMap.DecodeValue(700, []byte("1.25")) + + if got != float32(1.25) { + t.Fatalf("expected text float4 to decode as 1.25, got %#v", got) + } +} + +func TestDecodeValuePreservesNonFiniteTextFloatsAsStrings(t *testing.T) { + typeMap := &TypeMap{types: map[uint32]string{ + 700: "float4", + 701: "float8", + }} + + tests := []struct { + name string + dataType uint32 + value string + }{ + {name: "float4 infinity", dataType: 700, value: "Infinity"}, + {name: "float4 negative infinity", dataType: 700, value: "-Infinity"}, + {name: "float4 NaN", dataType: 700, value: "NaN"}, + {name: "float8 infinity", dataType: 701, value: "Infinity"}, + {name: "float8 negative infinity", dataType: 701, value: "-Infinity"}, + {name: "float8 NaN", dataType: 701, value: "NaN"}, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + got := typeMap.DecodeValue(tt.dataType, []byte(tt.value)) + + if got != tt.value { + t.Fatalf("expected %q to remain a string, got %#v", tt.value, got) + } + if _, err := json.Marshal(got); err != nil { + t.Fatalf("expected decoded value to be JSON-compatible: %v", err) + } + }) + } +} diff --git a/devbox.json b/devbox.json index c7ba719..cedcb60 100644 --- a/devbox.json +++ b/devbox.json @@ -1,16 +1,4 @@ { - "$schema": "https://raw.githubusercontent.com/jetify-com/devbox/0.13.1/.schema/devbox.schema.json", - "packages": [ - "go@latest", - "postgresql@latest", - "gcc@latest" - ], - "shell": { - "init_hook": [], - "scripts": { - "test": [ - "echo \"Error: no test specified\" && exit 1" - ] - } - } + "packages": ["go@1.26"], + "shell": {"init_hook": [], "scripts": {}} } diff --git a/devbox.lock b/devbox.lock deleted file mode 100644 index 4275b73..0000000 --- a/devbox.lock +++ /dev/null @@ -1,265 +0,0 @@ -{ - "lockfile_version": "1", - "packages": { - "gcc@latest": { - "last_modified": "2025-02-07T11:26:36Z", - "resolved": "github:NixOS/nixpkgs/d98abf5cf5914e5e4e9d57205e3af55ca90ffc1d#gcc", - "source": "devbox-search", - "version": "14-20241116", - "systems": { - "aarch64-darwin": { - "outputs": [ - { - "name": "out", - "path": "/nix/store/3k1dfk03xkmaf6cksgpk492k3m8brvmp-gcc-wrapper-14-20241116", - "default": true - }, - { - "name": "man", - "path": "/nix/store/cf67mihrjf3a1w4sw8jkgw49kfi54wpq-gcc-wrapper-14-20241116-man", - "default": true - }, - { - "name": "info", - "path": "/nix/store/jgsywypzhdim8s6x25cnr31ygm28lhin-gcc-wrapper-14-20241116-info" - } - ], - "store_path": "/nix/store/3k1dfk03xkmaf6cksgpk492k3m8brvmp-gcc-wrapper-14-20241116" - }, - "aarch64-linux": { - "outputs": [ - { - "name": "out", - "path": "/nix/store/pavcqvq7ycdbpal1mfjsscvgngzsg9sp-gcc-wrapper-14-20241116", - "default": true - }, - { - "name": "man", - "path": 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"/nix/store/0mzgv54qxafr66f4d7prz42fhs833mhk-postgresql-17.4" - }, - "x86_64-linux": { - "outputs": [ - { - "name": "out", - "path": "/nix/store/snfxmriwav4i0k1fxp78xk5w12hbv4q9-postgresql-17.4", - "default": true - }, - { - "name": "man", - "path": "/nix/store/pcx190vq4awjcgpmj2flrbp9awhdc74q-postgresql-17.4-man", - "default": true - }, - { - "name": "lib", - "path": "/nix/store/yja4rgfrwyxckwqf10rbr4armbn0p2y5-postgresql-17.4-lib" - }, - { - "name": "debug", - "path": "/nix/store/zrlrz84kzfvnxcx5mis53scr205p29hx-postgresql-17.4-debug" - }, - { - "name": "dev", - "path": "/nix/store/piqzr58swwmbsngl3jp98xgrf17a960n-postgresql-17.4-dev" - }, - { - "name": "doc", - "path": "/nix/store/ilc5sycwvqjjfa33978nb1p14x358l1c-postgresql-17.4-doc" - } - ], - "store_path": "/nix/store/snfxmriwav4i0k1fxp78xk5w12hbv4q9-postgresql-17.4" - } - } - } - } -} diff --git a/img/BemiDB.gif b/img/BemiDB.gif deleted file mode 100644 index ca39112..0000000 Binary files a/img/BemiDB.gif and /dev/null differ diff --git a/img/architecture.png b/img/architecture.png deleted file mode 100644 index 82942d7..0000000 Binary files a/img/architecture.png and /dev/null differ diff --git a/img/tpc-h_database_structure.png b/img/tpc-h_database_structure.png deleted file mode 100644 index 9df5b6e..0000000 Binary files a/img/tpc-h_database_structure.png and /dev/null differ diff --git a/local-entrypoint.sh b/local-entrypoint.sh new file mode 100755 index 0000000..b3f77d6 --- /dev/null +++ b/local-entrypoint.sh @@ -0,0 +1,256 @@ +#!/usr/bin/env bash + +set -Eeuo pipefail + +readonly LOCAL_DATA_DIR="/var/lib/pgstack" +readonly LOCAL_NATS_DIR="${LOCAL_DATA_DIR}/nats" +readonly LOCAL_S3_DIR="${LOCAL_DATA_DIR}/s3" +readonly LOCAL_NATS_CONFIG="/tmp/pgstack-local-nats.conf" + +if [[ -z "${DATABASE_URL:-}" ]]; then + echo "DATABASE_URL is required (for example: postgres://postgres:postgres@host.docker.internal:5432/postgres)" >&2 + exit 1 +fi + +# Validate user configuration before touching local state or source Postgres. +LOCAL_CONFIG="$(python3 /app/local_config.py /app/pgstack.yaml)" +unset AUDIT_INCLUDED_TABLES AUDIT_EXCLUDED_TABLES AUDIT_IGNORE_CHANGE_COLUMNS +AUDIT_ENABLED="$(jq -r '.audit.enabled' <<<"$LOCAL_CONFIG")" +SEARCH_TABLES_JSON="$(jq -c '.search.tables' <<<"$LOCAL_CONFIG")" +SEARCH_TABLES="$(jq -r '.search.tables | map(.name) | join(",")' <<<"$LOCAL_CONFIG")" +SEARCH_SNAPSHOT="$(jq -r '.search.enabled' <<<"$LOCAL_CONFIG")" +export AUDIT_ENABLED SEARCH_TABLES_JSON SEARCH_TABLES SEARCH_SNAPSHOT +export SEARCH_BASE_PATH="local/search" +if [[ "$AUDIT_ENABLED" == true ]]; then + # An explicitly empty exclusion list enables Audit for every table. + export AUDIT_EXCLUDED_TABLES="" +fi +if [[ "$SEARCH_SNAPSHOT" == true && -z "${OPENAI_API_KEY:-}" ]]; then + SEARCH_TABLES_JSON="$(jq -c 'map(. + {keywordOnly: true})' <<<"$SEARCH_TABLES_JSON")" + export SEARCH_TABLES_JSON +fi + +# Each start creates a fresh local capture. +rm -rf "${LOCAL_NATS_DIR}" "${LOCAL_S3_DIR}" +mkdir -p "${LOCAL_NATS_DIR}" "${LOCAL_S3_DIR}" +printf '%s\n' 'max_payload: 2MB' >"${LOCAL_NATS_CONFIG}" + +# CDC configuration +export SLOT_NAME="pgstack_local" +export PUBLICATION_NAME="pgstack" +export NATS_URL="nats://127.0.0.1:4222" +export NATS_STREAM_NAME="pgstack" +export NATS_SUBJECT="pgstack.changes" + +# Local S3/Iceberg configuration +export AWS_S3_ENDPOINT="http://127.0.0.1:9000" +export AWS_ACCESS_KEY_ID="pgstack" +export AWS_SECRET_ACCESS_KEY="pgstack" +export AWS_REGION="us-east-1" +export AWS_S3_BUCKET="pgstack" +export AUDIT_BASE_PATH="local/audit" +export NATS_CONSUMER_NAME="pgstack-processor" + +# Local-edition product limits. These are intentionally not configurable. +export RETENTION_DAYS="1" +export MAX_HOT_PARQUET_SIZE_MB="10" +export NATS_BATCH_INTERVAL_SEC="10" +export DUCKDB_MEMORY_LIMIT="512MB" + +# PostgreSQL-compatible read endpoint +export PGSTACK_HOST="0.0.0.0" +export PGSTACK_PORT="54321" +export PGSTACK_DATABASE="pgstack" +export PGSTACK_USER="" +export PGSTACK_PASSWORD="${PGSTACK_PASSWORD:-}" +export LOG_LEVEL="WARN" + +declare -a PROCESS_PIDS=() +declare -A PROCESS_NAMES=() + +start_process() { + local name="$1" + shift + + "$@" & + local pid=$! + PROCESS_PIDS+=("${pid}") + PROCESS_NAMES["${pid}"]="${name}" + echo "Started ${name} (pid=${pid})" +} + +start_process_without_stdout() { + local name="$1" + shift + + "$@" >/dev/null & + local pid=$! + PROCESS_PIDS+=("${pid}") + PROCESS_NAMES["${pid}"]="${name}" + echo "Started ${name} (pid=${pid})" +} + +filter_nats_stderr() { + local line + + while IFS= read -r line; do + if [[ "${line}" != *"[INF]"* ]]; then + printf '%s\n' "${line}" >&2 + fi + done +} + +filter_rclone_stderr() { + local data_cleanup_error=" ERROR : ${AWS_S3_BUCKET}/${AUDIT_BASE_PATH}/changes/data/: Dir.Remove not empty" + local metadata_cleanup_error=" ERROR : ${AWS_S3_BUCKET}/${AUDIT_BASE_PATH}/changes/metadata/: Dir.Remove not empty" + local line + + while IFS= read -r line; do + if [[ "${line}" != *"${data_cleanup_error}" && "${line}" != *"${metadata_cleanup_error}" ]]; then + printf '%s\n' "${line}" >&2 + fi + done +} + +wait_for_port() { + local host="$1" + local port="$2" + local name="$3" + + for _ in {1..300}; do + if (echo >/dev/tcp/"${host}"/"${port}") >/dev/null 2>&1; then + return 0 + fi + sleep 0.1 + done + + echo "${name} did not become ready on ${host}:${port}" >&2 + return 1 +} + +prepare_source_postgres() { + local active_pid + active_pid="$( + psql "${DATABASE_URL}" \ + --no-psqlrc \ + --tuples-only \ + --no-align \ + --set=ON_ERROR_STOP=1 \ + --command="SELECT active_pid FROM pg_replication_slots WHERE slot_name = 'pgstack_local' AND active" + )" + + if [[ -n "${active_pid}" ]]; then + echo "Replication slot ${SLOT_NAME} is already active on backend ${active_pid}" >&2 + return 1 + fi + + psql "${DATABASE_URL}" \ + --no-psqlrc \ + --set=ON_ERROR_STOP=1 <<'SQL' >/dev/null +SELECT 'CREATE PUBLICATION pgstack FOR ALL TABLES' +WHERE NOT EXISTS ( + SELECT 1 + FROM pg_publication + WHERE pubname = 'pgstack' +) +\gexec + +SELECT pg_drop_replication_slot(slot_name) +FROM pg_replication_slots +WHERE slot_name = 'pgstack_local'; +SQL +} + +setup_nats_stream() { + for _ in {1..300}; do + if nats --server "${NATS_URL}" --no-context stream add "${NATS_STREAM_NAME}" \ + --subjects "${NATS_SUBJECT}" \ + --storage file \ + --retention work \ + --discard old \ + --max-age 24h \ + --dupe-window 24h \ + --replicas 1 \ + --allow-direct \ + --deny-delete \ + --defaults >/dev/null 2>&1; then + echo "NATS JetStream is ready: stream=${NATS_STREAM_NAME} subject=${NATS_SUBJECT}" + return 0 + fi + sleep 0.1 + done + + echo "Failed to create local NATS stream" >&2 + return 1 +} + +# Called by the EXIT trap through cleanup. +# shellcheck disable=SC2317,SC2329 +drop_local_replication_slot() { + if ! psql "${DATABASE_URL}" \ + --no-psqlrc \ + --quiet \ + --set=ON_ERROR_STOP=1 \ + --command="SELECT pg_drop_replication_slot(slot_name) FROM pg_replication_slots WHERE slot_name = 'pgstack_local' AND NOT active" >/dev/null; then + echo "Warning: failed to drop local replication slot ${SLOT_NAME}" >&2 + fi +} + +# Registered as the EXIT trap after source preparation. +# shellcheck disable=SC2317,SC2329 +cleanup() { + trap - EXIT INT TERM + + if ((${#PROCESS_PIDS[@]} > 0)); then + kill -TERM "${PROCESS_PIDS[@]}" 2>/dev/null || true + wait "${PROCESS_PIDS[@]}" 2>/dev/null || true + fi + + drop_local_replication_slot +} + +echo "PGStack local edition" + +prepare_source_postgres + +# Failed setup must never clean up another instance's replication slot. +trap 'cleanup' EXIT +trap 'exit 130' INT +trap 'exit 143' TERM + +start_process_without_stdout "nats" nats-server \ + --config "${LOCAL_NATS_CONFIG}" \ + -js \ + -sd "${LOCAL_NATS_DIR}" \ + -a 127.0.0.1 \ + -p 4222 \ + 2> >(filter_nats_stderr) +setup_nats_stream + +start_process_without_stdout "s3" rclone serve s3 "${LOCAL_S3_DIR}" \ + --addr 127.0.0.1:9000 \ + --log-level ERROR \ + --no-checksum \ + --no-cleanup \ + 2> >(filter_rclone_stderr) +wait_for_port 127.0.0.1 9000 "Local S3" + +start_process "processor" /app/bin/processor +start_process "server" /app/bin/server +start_process "cdc" /app/bin/cdc + +echo "PostgreSQL read endpoint: postgres://127.0.0.1:${PGSTACK_PORT}/${PGSTACK_DATABASE}?sslmode=disable" + +set +e +exited_pid="" +wait -n -p exited_pid "${PROCESS_PIDS[@]}" +status=$? +set -e + +if [[ -n "${exited_pid}" ]]; then + echo "${PROCESS_NAMES[${exited_pid}]:-A child process} exited with status ${status}; stopping local stack" >&2 +else + echo "A child process exited with status ${status}; stopping local stack" >&2 +fi + +exit "${status}" diff --git a/local_config.py b/local_config.py new file mode 100644 index 0000000..8530d8a --- /dev/null +++ b/local_config.py @@ -0,0 +1,89 @@ +#!/usr/bin/env python3 +"""Validate local YAML and emit the internal configuration as JSON.""" +import json +from pathlib import Path +import sys + +import yaml + + +class UniqueKeyLoader(yaml.SafeLoader): + pass + + +def unique_mapping(loader, node): + result = {} + for key_node, value_node in node.value: + key = loader.construct_object(key_node) + if not isinstance(key, str) or key in result: + raise ValueError("YAML keys must be unique strings") + result[key] = loader.construct_object(value_node) + return result + + +UniqueKeyLoader.add_constructor(yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG, unique_mapping) + + +def mapping(value, allowed, location): + if not isinstance(value, dict) or set(value) - allowed: + raise ValueError(f"{location} must be a mapping with keys: {', '.join(sorted(allowed))}") + return value + + +def enabled(section, default, location): + value = section.get("enabled", default) + if type(value) is not bool: + raise ValueError(f"{location}.enabled must be true or false") + return value + + +def columns(value, location): + if not isinstance(value, list) or not value or any(not isinstance(v, str) or not v.strip() for v in value): + raise ValueError(f"{location} must be a nonempty list of column names") + if len(set(value)) != len(value): + raise ValueError(f"{location} contains duplicate columns") + return value + + +def normalize_config(raw): + root = mapping(raw, {"audit", "search"}, "configuration") + audit = mapping(root.get("audit", {}), {"enabled"}, "audit") + search = mapping(root.get("search", {}), {"enabled", "tables"}, "search") + audit_enabled = enabled(audit, True, "audit") + search_enabled = enabled(search, False, "search") + tables = search.get("tables", []) + if not isinstance(tables, list): + raise ValueError("search.tables must be a list") + if search_enabled != bool(tables): + raise ValueError("Search requires both enabled: true and at least one table; omit tables when disabled") + if not audit_enabled and not search_enabled: + raise ValueError("Enable Audit, Search, or both") + names = set() + for table in tables: + mapping(table, {"name", "indexColumns", "storeColumns"}, "search table") + name = table.get("name") + if not isinstance(name, str) or len(name.split(".")) != 2 or any(not part or any(c.isspace() or c == ',' for c in part) for part in name.split(".")): + raise ValueError("Table names must be schema.table without whitespace or commas") + if name in names: + raise ValueError(f"Duplicate Search table: {name}") + names.add(name) + columns(table.get("indexColumns"), f"{name}.indexColumns") + columns(table.get("storeColumns"), f"{name}.storeColumns") + return {"audit": {"enabled": audit_enabled}, "search": {"enabled": search_enabled, "tables": tables}} + + +def load_config(path): + if not path.exists(): + return normalize_config({}) + if not path.is_file() or path.stat().st_size > 1024 * 1024: + raise ValueError("Configuration must be a regular YAML file smaller than 1 MiB") + with path.open() as source: + raw = yaml.load(source, Loader=UniqueKeyLoader) + return normalize_config(raw if raw is not None else {}) + + +if __name__ == "__main__": + try: + print(json.dumps(load_config(Path(sys.argv[1] if len(sys.argv) > 1 else "/app/pgstack.yaml")))) + except (ValueError, OSError, yaml.YAMLError) as error: + sys.exit(f"Invalid PgStack configuration: {error}") diff --git a/pgstack.example.yaml b/pgstack.example.yaml new file mode 100644 index 0000000..2383c5c --- /dev/null +++ b/pgstack.example.yaml @@ -0,0 +1,9 @@ +# Enable Audit, Search, or both. No file defaults to Audit only. +audit: + enabled: true +search: + enabled: true + tables: + - name: public.products + indexColumns: [name, description] + storeColumns: [id, name, description] diff --git a/processor/config.go b/processor/config.go new file mode 100644 index 0000000..ff5cf16 --- /dev/null +++ b/processor/config.go @@ -0,0 +1,132 @@ +package main + +import ( + "fmt" + "os" + "path" + "strconv" + "strings" + "time" +) + +type Config struct { + IntegrationConfig + LogLevel string + ConsumerName string + NatsURL string + NatsSubject string + NatsStreamName string + NatsBatchInterval time.Duration + S3Endpoint string + S3Bucket string + S3AccessKey string + S3SecretKey string + S3Region string + AuditBasePath string + MaxHotParquetSizeMB int64 + DuckDBMemoryLimit string + RetentionDays *int + SearchBasePath string + SearchTablesJSON string + OpenAIAPIKey string +} + +func LoadConfig() *Config { + batchIntervalSec := getEnvInt("NATS_BATCH_INTERVAL_SEC", 30) + maxHotParquetSizeMB := getRequiredEnvInt64("MAX_HOT_PARQUET_SIZE_MB") + + s3Endpoint := getEnv("AWS_S3_ENDPOINT", "http://localhost:9000") + targetS3Bucket := getRequiredEnv("AWS_S3_BUCKET") + targetAuditBasePath := getRequiredEnv("AUDIT_BASE_PATH") + defaultSearchBasePath := path.Join(path.Dir(targetAuditBasePath), "search") + s3AccessKey := getEnv("AWS_ACCESS_KEY_ID", "minioadmin") + s3SecretKey := getEnv("AWS_SECRET_ACCESS_KEY", "minioadmin") + + config := &Config{ + LogLevel: getEnv("LOG_LEVEL", LOG_LEVEL_INFO), + ConsumerName: consumerName(), + NatsURL: getEnv("NATS_URL", "nats://localhost:4222"), + NatsSubject: getEnv("NATS_SUBJECT", ""), + NatsStreamName: getEnv("NATS_STREAM_NAME", ""), + NatsBatchInterval: time.Duration(batchIntervalSec) * time.Second, + S3Endpoint: s3Endpoint, + S3Bucket: targetS3Bucket, + S3AccessKey: s3AccessKey, + S3SecretKey: s3SecretKey, + S3Region: getEnv("AWS_REGION", "us-east-1"), + AuditBasePath: targetAuditBasePath, + MaxHotParquetSizeMB: maxHotParquetSizeMB, + DuckDBMemoryLimit: getRequiredEnv("DUCKDB_MEMORY_LIMIT"), + RetentionDays: getOptionalEnvInt("RETENTION_DAYS"), + SearchBasePath: getEnv("SEARCH_BASE_PATH", defaultSearchBasePath), + SearchTablesJSON: getEnv("SEARCH_TABLES_JSON", "[]"), + OpenAIAPIKey: getEnv("OPENAI_API_KEY", ""), + } + + if !isValidLogLevel(config.LogLevel) { + panic("Invalid LOG_LEVEL " + config.LogLevel + ". Must be one of " + strings.Join(LOG_LEVELS, ", ")) + } + + loadIntegrationConfig(config) + return config +} + +func (c *Config) MaxHotParquetFileSizeBytes() int64 { + return c.MaxHotParquetSizeMB * 1024 * 1024 +} + +func (c *Config) S3Path(key string) string { + return "s3://" + c.S3Bucket + "/" + key +} + +func getEnv(key, defaultValue string) string { + if value := os.Getenv(key); value != "" { + return strings.TrimSpace(value) + } + return defaultValue +} + +func getRequiredEnv(key string) string { + value := strings.TrimSpace(os.Getenv(key)) + if value == "" { + panic(fmt.Sprintf("%s is required", key)) + } + return value +} + +func getEnvInt(key string, defaultValue int) int { + if value := os.Getenv(key); value != "" { + if i, err := strconv.Atoi(value); err == nil { + return i + } + } + return defaultValue +} + +func getOptionalEnvInt(key string) *int { + value := strings.TrimSpace(os.Getenv(key)) + if value == "" { + return nil + } + + i, err := strconv.Atoi(value) + if err != nil { + panic(fmt.Sprintf("invalid %s: %v", key, err)) + } + + return &i +} + +func getRequiredEnvInt64(key string) int64 { + value := strings.TrimSpace(os.Getenv(key)) + if value == "" { + panic(fmt.Sprintf("%s is required", key)) + } + + i, err := strconv.ParseInt(value, 10, 64) + if err != nil { + panic(fmt.Sprintf("invalid %s: %v", key, err)) + } + + return i +} diff --git a/processor/config_test.go b/processor/config_test.go new file mode 100644 index 0000000..1212b7f --- /dev/null +++ b/processor/config_test.go @@ -0,0 +1,22 @@ +package main + +import ( + "testing" + "time" +) + +func TestLoadConfigUsesResolvedStorage(t *testing.T) { + t.Setenv("AWS_S3_BUCKET", "selected") + t.Setenv("AUDIT_BASE_PATH", "org/project/audit") + t.Setenv("SEARCH_BASE_PATH", "") + t.Setenv("MAX_HOT_PARQUET_SIZE_MB", "96") + t.Setenv("DUCKDB_MEMORY_LIMIT", "1GB") + t.Setenv("NATS_BATCH_INTERVAL_SEC", "300") + config := LoadConfig() + if config.S3Bucket != "selected" || config.AuditBasePath != "org/project/audit" || config.SearchBasePath != "org/project/search" { + t.Fatalf("incorrect resolved storage: %#v", config) + } + if config.NatsBatchInterval != 300*time.Second { + t.Fatal("batch interval not preserved") + } +} diff --git a/processor/deduplication.go b/processor/deduplication.go new file mode 100644 index 0000000..bbf527e --- /dev/null +++ b/processor/deduplication.go @@ -0,0 +1,218 @@ +package main + +import ( + "context" + "fmt" + "strings" + "sync" +) + +const DEDUPLICATION_MAX_SIZE = 50000 + +// DeduplicationKey uniquely identifies a change message +type DeduplicationKey struct { + Position uint64 + Database string + Schema string + Table string + Operation string +} + +// DeduplicationTracker tracks processed messages to prevent duplicates +type DeduplicationTracker struct { + mu sync.RWMutex + processed map[DeduplicationKey]bool + order []DeduplicationKey + maxSize int +} + +func NewDeduplicationTracker(maxSize int) *DeduplicationTracker { + return &DeduplicationTracker{ + processed: make(map[DeduplicationKey]bool), + order: make([]DeduplicationKey, 0, maxSize), + maxSize: maxSize, + } +} + +func (dt *DeduplicationTracker) MakeKey(msg *ChangeMessage, operation string) DeduplicationKey { + return DeduplicationKey{ + Position: msg.Source.Lsn, + Database: msg.Source.Db, + Schema: msg.Source.Schema, + Table: msg.Source.Table, + Operation: operation, + } +} + +// LoadFromParquet reads recent records from Parquet files to populate the tracker +// Uses a sliding window approach: only loads records with LSN within the last N positions +func (dt *DeduplicationTracker) LoadFromParquet( + ctx context.Context, + newDuckDB func() (*DuckDBClient, error), + config *Config, + dataPath string, + s3Client *S3Client, +) error { + // Check if any parquet files exist first + files, err := s3Client.ListFiles(ctx, dataPath) + if err != nil { + return fmt.Errorf("failed to list files: %w", err) + } + + hasParquetFiles := false + for _, file := range files { + if strings.HasSuffix(file, ".parquet") { + hasParquetFiles = true + break + } + } + + if !hasParquetFiles { + LogInfo(config, "No existing parquet files found, starting fresh") + return nil + } + + duckdb, err := newDuckDB() + if err != nil { + return err + } + + s3Path := config.S3Path(dataPath + "/*.parquet") + + // First, get the max position (LSN) from existing data + maxPosQuery := fmt.Sprintf(` + SELECT MAX(position) as max_pos + FROM read_parquet('%s') + `, s3Path) + + var maxPosition *uint64 + err = duckdb.QueryRowContext(ctx, maxPosQuery).Scan(&maxPosition) + if err != nil { + return fmt.Errorf("failed to read maximum position from parquet files: %w", err) + } + + if maxPosition == nil { + LogInfo(config, "No records found in parquet files") + return nil + } + + // Define sliding window: only load records from last N positions + // This prevents loading millions of records on restart + windowSize := uint64(1000000) // 1 million LSN positions (~few hours of changes) + minPosition := uint64(0) + if *maxPosition > windowSize { + minPosition = *maxPosition - windowSize + } + + LogInfo(config, fmt.Sprintf( + "Loading deduplication data from position %d to %d (window size: %d)", + minPosition, + *maxPosition, + windowSize, + )) + + // Query to get unique keys from recent records only + query := fmt.Sprintf(` + SELECT DISTINCT + position, + database, + schema, + "table", + operation + FROM read_parquet('%s') + WHERE position > %d + ORDER BY position ASC + `, s3Path, minPosition) + + rows, err := duckdb.QueryContext(ctx, query) + if err != nil { + return fmt.Errorf("failed to query parquet files: %w", err) + } + defer rows.Close() + + count := 0 + for rows.Next() { + var position uint64 + var database, schema, table, operation string + + if err := rows.Scan(&position, &database, &schema, &table, &operation); err != nil { + return fmt.Errorf("failed to scan row: %w", err) + } + + key := DeduplicationKey{ + Position: position, + Database: database, + Schema: schema, + Table: table, + Operation: operation, + } + + dt.MarkProcessed(key) + + count++ + } + + if err := rows.Err(); err != nil { + return fmt.Errorf("error iterating rows: %w", err) + } + + LogInfo(config, fmt.Sprintf("Loaded %d recent records into deduplication tracker (max LSN: %d)", count, *maxPosition)) + return nil +} + +func (dt *DeduplicationTracker) IsDuplicate(key DeduplicationKey) bool { + dt.mu.RLock() + defer dt.mu.RUnlock() + return dt.processed[key] +} + +func (dt *DeduplicationTracker) MarkProcessed(key DeduplicationKey) { + dt.mu.Lock() + defer dt.mu.Unlock() + + if dt.processed[key] { + return + } + + dt.processed[key] = true + dt.order = append(dt.order, key) + + for len(dt.processed) > dt.maxSize && len(dt.order) > 0 { + oldest := dt.order[0] + dt.order = dt.order[1:] + delete(dt.processed, oldest) + } +} + +// FilterDuplicates removes duplicate records from a slice +func (dt *DeduplicationTracker) FilterDuplicates(config *Config, records []*FetchedRecord) []*FetchedRecord { + filtered := make([]*FetchedRecord, 0, len(records)) + batchKeys := make(map[DeduplicationKey]bool, len(records)) + duplicateCount := 0 + + for _, record := range records { + operation := MapOperation(config, record.Message.Op) + key := dt.MakeKey(record.Message, operation) + + if dt.IsDuplicate(key) || batchKeys[key] { + duplicateCount++ + continue + } + + batchKeys[key] = true + filtered = append(filtered, record) + } + + if duplicateCount > 0 { + LogInfo(config, fmt.Sprintf("Filtered %d duplicate messages", duplicateCount)) + } + + return filtered +} + +func (dt *DeduplicationTracker) MarkRecordsProcessed(config *Config, records []*FetchedRecord) { + for _, record := range records { + operation := MapOperation(config, record.Message.Op) + dt.MarkProcessed(dt.MakeKey(record.Message, operation)) + } +} diff --git a/processor/deduplication_test.go b/processor/deduplication_test.go new file mode 100644 index 0000000..84612c9 --- /dev/null +++ b/processor/deduplication_test.go @@ -0,0 +1,91 @@ +package main + +import "testing" + +func TestDeduplicationTrackerEvictsOldestKeys(t *testing.T) { + tracker := NewDeduplicationTracker(2) + first := DeduplicationKey{Position: 1, Database: "db", Schema: "public", Table: "users", Operation: "CREATE"} + second := DeduplicationKey{Position: 2, Database: "db", Schema: "public", Table: "users", Operation: "CREATE"} + third := DeduplicationKey{Position: 3, Database: "db", Schema: "public", Table: "users", Operation: "CREATE"} + + tracker.MarkProcessed(first) + tracker.MarkProcessed(second) + tracker.MarkProcessed(third) + + if tracker.IsDuplicate(first) { + t.Fatal("expected oldest key to be evicted") + } + if !tracker.IsDuplicate(second) || !tracker.IsDuplicate(third) { + t.Fatal("expected newest keys to remain tracked") + } +} + +func TestDeduplicationTrackerDoesNotReorderDuplicateMarks(t *testing.T) { + tracker := NewDeduplicationTracker(2) + first := DeduplicationKey{Position: 1, Database: "db", Schema: "public", Table: "users", Operation: "CREATE"} + second := DeduplicationKey{Position: 2, Database: "db", Schema: "public", Table: "users", Operation: "CREATE"} + third := DeduplicationKey{Position: 3, Database: "db", Schema: "public", Table: "users", Operation: "CREATE"} + + tracker.MarkProcessed(first) + tracker.MarkProcessed(second) + tracker.MarkProcessed(first) + tracker.MarkProcessed(third) + + if tracker.IsDuplicate(first) { + t.Fatal("expected duplicate mark not to refresh insertion order") + } + if !tracker.IsDuplicate(second) || !tracker.IsDuplicate(third) { + t.Fatal("expected second and third keys to remain tracked") + } +} + +func TestFilterDuplicatesDoesNotMarkRecordsProcessed(t *testing.T) { + config := quietTestConfig() + tracker := NewDeduplicationTracker(10) + record := fetchedRecordForDeduplicationTest(1) + + filtered := tracker.FilterDuplicates(config, []*FetchedRecord{record}) + if len(filtered) != 1 { + t.Fatalf("filtered records = %d, want 1", len(filtered)) + } + + key := tracker.MakeKey(record.Message, MapOperation(config, record.Message.Op)) + if tracker.IsDuplicate(key) { + t.Fatal("filtering must not mark a record before storage succeeds") + } + + tracker.MarkRecordsProcessed(config, filtered) + if !tracker.IsDuplicate(key) { + t.Fatal("expected successfully stored record to be marked") + } +} + +func TestFilterDuplicatesRemovesDuplicatesWithinBatch(t *testing.T) { + config := quietTestConfig() + tracker := NewDeduplicationTracker(10) + record := fetchedRecordForDeduplicationTest(1) + duplicate := fetchedRecordForDeduplicationTest(1) + + filtered := tracker.FilterDuplicates(config, []*FetchedRecord{record, duplicate}) + if len(filtered) != 1 { + t.Fatalf("filtered records = %d, want 1", len(filtered)) + } +} + +func quietTestConfig() *Config { + return &Config{LogLevel: LOG_LEVEL_ERROR} +} + +func fetchedRecordForDeduplicationTest(position uint64) *FetchedRecord { + return &FetchedRecord{ + Message: &ChangeMessage{ + Op: OPERATION_CREATE, + Source: SourceMetadata{ + Lsn: position, + Db: "db", + Schema: "public", + Table: "users", + }, + }, + } +} diff --git a/processor/duckdb.go b/processor/duckdb.go new file mode 100644 index 0000000..857e95e --- /dev/null +++ b/processor/duckdb.go @@ -0,0 +1,130 @@ +package main + +import ( + "context" + "database/sql" + "database/sql/driver" + "errors" + "fmt" + "strings" + + "github.com/duckdb/duckdb-go/v2" +) + +type DuckDBClient struct { + db *sql.DB + connector *duckdb.Connector + config *Config + bootQueries []string +} + +func NewDuckDBClient(config *Config) (*DuckDBClient, error) { + client := &DuckDBClient{ + config: config, + } + client.bootQueries = client.buildBootQueries() + + connector, err := duckdb.NewConnector("", func(execer driver.ExecerContext) error { + return client.executeBootQueries(context.Background(), execer) + }) + if err != nil { + return nil, fmt.Errorf("failed to create duckdb connector: %w", err) + } + + client.connector = connector + client.db = sql.OpenDB(connector) + client.db.SetMaxOpenConns(1) + + if err := client.db.PingContext(context.Background()); err != nil { + client.db.Close() + client.connector.Close() + return nil, fmt.Errorf("failed to ping duckdb: %w", err) + } + + return client, nil +} + +func (d *DuckDBClient) buildBootQueries() []string { + // Strip protocol from endpoint for DuckDB + endpoint := d.config.S3Endpoint + endpoint = strings.TrimPrefix(endpoint, "http://") + endpoint = strings.TrimPrefix(endpoint, "https://") + + queries := []string{ + "INSTALL httpfs", + "LOAD httpfs", + "SET timezone='UTC'", + fmt.Sprintf("SET memory_limit='%s'", d.config.DuckDBMemoryLimit), + "SET threads=1", + "SET preserve_insertion_order=false", + fmt.Sprintf("SET s3_endpoint='%s'", endpoint), + fmt.Sprintf("SET s3_access_key_id='%s'", d.config.S3AccessKey), + fmt.Sprintf("SET s3_secret_access_key='%s'", d.config.S3SecretKey), + fmt.Sprintf("SET s3_region='%s'", d.config.S3Region), + "SET s3_use_ssl=false", + "SET s3_url_style='path'", + } + if d.config.SearchTablesJSON != "" && d.config.SearchTablesJSON != "[]" { + lanceSecretOptions := []string{ + "TYPE LANCE", + "PROVIDER config", + fmt.Sprintf("SCOPE 's3://%s/'", escapeSQLString(d.config.S3Bucket)), + fmt.Sprintf("ACCESS_KEY_ID '%s'", escapeSQLString(d.config.S3AccessKey)), + fmt.Sprintf("SECRET_ACCESS_KEY '%s'", escapeSQLString(d.config.S3SecretKey)), + fmt.Sprintf("REGION '%s'", escapeSQLString(d.config.S3Region)), + } + if strings.HasPrefix(d.config.S3Endpoint, "http://") || strings.HasPrefix(d.config.S3Endpoint, "https://") { + lanceSecretOptions = append(lanceSecretOptions, + fmt.Sprintf("ENDPOINT '%s'", escapeSQLString(d.config.S3Endpoint)), + "VIRTUAL_HOSTED_STYLE_REQUEST false", + ) + if strings.HasPrefix(d.config.S3Endpoint, "http://") { + lanceSecretOptions = append(lanceSecretOptions, "ALLOW_HTTP true") + } + } + queries = append(queries, + "INSTALL lance", + "LOAD lance", + "CREATE OR REPLACE SECRET pgstack_lance ("+strings.Join(lanceSecretOptions, ", ")+")", + fmt.Sprintf("ATTACH 's3://%s/%s' AS search_store (TYPE LANCE, READ_WRITE)", escapeSQLString(d.config.S3Bucket), escapeSQLString(d.config.SearchBasePath)), + ) + } + return queries +} + +func escapeSQLString(value string) string { + return strings.ReplaceAll(value, "'", "''") +} + +func (d *DuckDBClient) executeBootQueries(ctx context.Context, execer driver.ExecerContext) error { + for _, query := range d.bootQueries { + if _, err := execer.ExecContext(ctx, query, nil); err != nil { + return fmt.Errorf("failed to execute %q: %w", query, err) + } + } + + return nil +} + +func (d *DuckDBClient) ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error) { + return d.db.ExecContext(ctx, query, args...) +} + +func (d *DuckDBClient) QueryContext(ctx context.Context, query string, args ...interface{}) (*sql.Rows, error) { + return d.db.QueryContext(ctx, query, args...) +} + +func (d *DuckDBClient) QueryRowContext(ctx context.Context, query string, args ...interface{}) *sql.Row { + return d.db.QueryRowContext(ctx, query, args...) +} + +func (d *DuckDBClient) Close() error { + dbErr := d.db.Close() + connectorErr := d.connector.Close() + return errors.Join(dbErr, connectorErr) +} + +func isDuckDBOutOfMemory(err error) bool { + var duckDBError *duckdb.Error + return errors.As(err, &duckDBError) && duckDBError.Type == duckdb.ErrorTypeOutOfMemory +} diff --git a/processor/duckdb_test.go b/processor/duckdb_test.go new file mode 100644 index 0000000..06ab897 --- /dev/null +++ b/processor/duckdb_test.go @@ -0,0 +1,46 @@ +package main + +import ( + "errors" + "fmt" + "slices" + "testing" + + "github.com/duckdb/duckdb-go/v2" +) + +func TestIsDuckDBOutOfMemory(t *testing.T) { + err := fmt.Errorf("failed to write parquet: %w", &duckdb.Error{ + Type: duckdb.ErrorTypeOutOfMemory, + Msg: "Out of Memory Error: failed to allocate data", + }) + + if !isDuckDBOutOfMemory(err) { + t.Fatal("expected wrapped DuckDB out-of-memory error to be detected") + } +} + +func TestIsDuckDBOutOfMemoryRejectsOtherErrors(t *testing.T) { + tests := []error{ + errors.New("Out of Memory Error: text alone should not match"), + &duckdb.Error{Type: duckdb.ErrorTypeIO, Msg: "IO Error"}, + } + + for _, err := range tests { + if isDuckDBOutOfMemory(err) { + t.Fatalf("did not expect %T to be detected as DuckDB out-of-memory", err) + } + } +} + +func TestDuckDBBootQueriesAttachSearchReadWrite(t *testing.T) { + client := &DuckDBClient{config: &Config{ + S3Bucket: "bucket", + SearchBasePath: "project/search", + SearchTablesJSON: `[{"name":"public.documents"}]`, + }} + query := "ATTACH 's3://bucket/project/search' AS search_store (TYPE LANCE, READ_WRITE)" + if !slices.Contains(client.buildBootQueries(), query) { + t.Fatalf("Search boot queries do not contain %q", query) + } +} diff --git a/processor/embedding_client.go b/processor/embedding_client.go new file mode 100644 index 0000000..f1d7b31 --- /dev/null +++ b/processor/embedding_client.go @@ -0,0 +1,148 @@ +package main + +import ( + "bytes" + "context" + "encoding/json" + "fmt" + "io" + "net/http" + "time" +) + +const ( + EMBEDDING_BATCH_SIZE = 256 + EMBEDDING_MAX_INPUT_BYTES = 3200 + EMBEDDING_BATCH_MAX_INPUT_BYTES = 250000 + OPENAI_EMBEDDING_MODEL = "text-embedding-3-small" + OPENAI_EMBEDDING_DIMENSIONS = 1536 +) + +type EmbeddingClient struct { + config *Config + apiKey string + model string + dimensions int + httpClient *http.Client +} + +type embeddingRequest struct { + Model string `json:"model"` + Input []string `json:"input"` + Dimensions int `json:"dimensions"` +} + +type embeddingResponse struct { + Data []struct { + Embedding []float32 `json:"embedding"` + Index int `json:"index"` + } `json:"data"` + Usage struct { + PromptTokens int `json:"prompt_tokens"` + } `json:"usage"` +} + +func NewEmbeddingClient(config *Config) (*EmbeddingClient, error) { + if config.OpenAIAPIKey == "" { + return nil, fmt.Errorf("OPENAI_API_KEY is required when Search is enabled") + } + return &EmbeddingClient{ + config: config, + apiKey: config.OpenAIAPIKey, + model: OPENAI_EMBEDDING_MODEL, + dimensions: OPENAI_EMBEDDING_DIMENSIONS, + httpClient: &http.Client{Timeout: 2 * time.Minute}, + }, nil +} + +func (client *EmbeddingClient) Embed(ctx context.Context, inputs []string) ([][]float32, error) { + result := make([][]float32, 0, len(inputs)) + for start := 0; start < len(inputs); { + end, err := embeddingBatchEnd(inputs, start) + if err != nil { + return nil, err + } + batch, err := client.embedBatch(ctx, inputs[start:end]) + if err != nil { + return nil, err + } + result = append(result, batch...) + start = end + } + return result, nil +} + +func embeddingBatchEnd(inputs []string, start int) (int, error) { + bytes := 0 + end := start + for end < len(inputs) && end-start < EMBEDDING_BATCH_SIZE { + inputBytes := len(inputs[end]) + if inputBytes == 0 { + return 0, fmt.Errorf("embedding input cannot be empty") + } + if inputBytes > EMBEDDING_MAX_INPUT_BYTES { + return 0, fmt.Errorf("embedding input exceeds %d-byte safety limit", EMBEDDING_MAX_INPUT_BYTES) + } + if end > start && bytes+inputBytes > EMBEDDING_BATCH_MAX_INPUT_BYTES { + break + } + bytes += inputBytes + end++ + } + return end, nil +} + +func (client *EmbeddingClient) embedBatch(ctx context.Context, inputs []string) ([][]float32, error) { + body, err := json.Marshal(embeddingRequest{Model: client.model, Input: inputs, Dimensions: client.dimensions}) + if err != nil { + return nil, err + } + req, err := http.NewRequestWithContext(ctx, http.MethodPost, "https://api.openai.com/v1/embeddings", bytes.NewReader(body)) + if err != nil { + return nil, err + } + req.Header.Set("Authorization", "Bearer "+client.apiKey) + req.Header.Set("Content-Type", "application/json") + + var response *http.Response + for attempt := 0; attempt < 4; attempt++ { + response, err = client.httpClient.Do(req) + if err == nil && response.StatusCode != http.StatusTooManyRequests && response.StatusCode < 500 { + break + } + if response != nil { + response.Body.Close() + } + select { + case <-ctx.Done(): + return nil, ctx.Err() + case <-time.After(time.Duration(1<= 300 { + message, _ := io.ReadAll(io.LimitReader(response.Body, 4096)) + return nil, fmt.Errorf("embedding request returned %s: %s", response.Status, string(message)) + } + + var payload embeddingResponse + if err := json.NewDecoder(response.Body).Decode(&payload); err != nil { + return nil, err + } + if len(payload.Data) != len(inputs) { + return nil, fmt.Errorf("embedding response returned %d vectors for %d inputs", len(payload.Data), len(inputs)) + } + vectors := make([][]float32, len(inputs)) + for _, item := range payload.Data { + if item.Index < 0 || item.Index >= len(vectors) || len(item.Embedding) != client.dimensions { + return nil, fmt.Errorf("invalid embedding response item") + } + vectors[item.Index] = item.Embedding + } + LogInfo(client.config, fmt.Sprintf("Built embeddings via OpenAI | Input tokens: %d", payload.Usage.PromptTokens)) + return vectors, nil +} diff --git a/processor/embedding_client_test.go b/processor/embedding_client_test.go new file mode 100644 index 0000000..b251210 --- /dev/null +++ b/processor/embedding_client_test.go @@ -0,0 +1,50 @@ +package main + +import ( + "bytes" + "context" + "io" + "log" + "net/http" + "strings" + "testing" +) + +type embeddingRoundTripperFunc func(*http.Request) (*http.Response, error) + +func (fn embeddingRoundTripperFunc) RoundTrip(request *http.Request) (*http.Response, error) { + return fn(request) +} + +func TestEmbeddingClientLogsOpenAIUsage(t *testing.T) { + var logs bytes.Buffer + previousOutput := log.Writer() + log.SetOutput(&logs) + t.Cleanup(func() { log.SetOutput(previousOutput) }) + + client := &EmbeddingClient{ + config: &Config{LogLevel: LOG_LEVEL_INFO}, + apiKey: "test-key", + model: "text-embedding-3-small", + dimensions: 2, + httpClient: &http.Client{Transport: embeddingRoundTripperFunc(func(*http.Request) (*http.Response, error) { + return &http.Response{ + StatusCode: http.StatusOK, + Body: io.NopCloser(strings.NewReader(`{ + "data":[{"embedding":[0.1,0.2],"index":0}], + "usage":{"prompt_tokens":7,"total_tokens":7} + }`)), + }, nil + })}, + } + + if _, err := client.Embed(context.Background(), []string{"hello"}); err != nil { + t.Fatal(err) + } + if expected := "Built embeddings via OpenAI | Input tokens: 7"; !strings.Contains(logs.String(), expected) { + t.Fatalf("expected log to contain %q, got %q", expected, logs.String()) + } + if strings.Contains(logs.String(), client.model) { + t.Fatalf("expected log to omit model, got %q", logs.String()) + } +} diff --git a/processor/go.mod b/processor/go.mod new file mode 100644 index 0000000..1ae58fc --- /dev/null +++ b/processor/go.mod @@ -0,0 +1,45 @@ +module github.com/pgstack-io/pgstack/processor + +go 1.25.0 + +require ( + github.com/aws/aws-sdk-go v1.55.5 + github.com/duckdb/duckdb-go/v2 v2.10505.0 + github.com/google/uuid v1.6.0 + github.com/linkedin/goavro v2.1.0+incompatible + github.com/nats-io/nats.go v1.52.0 + github.com/xitongsys/parquet-go v1.6.2 + github.com/xitongsys/parquet-go-source v0.0.0-20211228015320-b4f792c43cd0 +) + +require ( + github.com/apache/arrow-go/v18 v18.5.1 // indirect + github.com/apache/arrow/go/arrow v0.0.0-20200730104253-651201b0f516 // indirect + github.com/apache/thrift v0.24.0 // indirect + github.com/duckdb/duckdb-go-bindings v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/darwin-amd64 v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/darwin-arm64 v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/linux-amd64 v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/linux-arm64 v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/windows-amd64 v0.10505.0 // indirect + github.com/go-viper/mapstructure/v2 v2.5.0 // indirect + github.com/goccy/go-json v0.10.5 // indirect + github.com/golang/snappy v1.0.0 // indirect + github.com/google/flatbuffers v25.12.19+incompatible // indirect + github.com/jmespath/go-jmespath v0.4.0 // indirect + github.com/klauspost/compress v1.18.5 // indirect + github.com/klauspost/cpuid/v2 v2.3.0 // indirect + github.com/nats-io/nkeys v0.4.15 // indirect + github.com/nats-io/nuid v1.0.1 // indirect + github.com/pierrec/lz4/v4 v4.1.25 // indirect + github.com/zeebo/xxh3 v1.1.0 // indirect + golang.org/x/crypto v0.52.0 // indirect + golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect + golang.org/x/mod v0.33.0 // indirect + golang.org/x/sync v0.20.0 // indirect + golang.org/x/sys v0.45.0 // indirect + golang.org/x/telemetry v0.0.0-20260209163413-e7419c687ee4 // indirect + golang.org/x/tools v0.42.0 // indirect + golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect + gopkg.in/linkedin/goavro.v1 v1.0.5 // indirect +) diff --git a/processor/go.sum b/processor/go.sum new file mode 100644 index 0000000..6a7f247 --- /dev/null +++ b/processor/go.sum @@ -0,0 +1,414 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= +cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= +cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= +cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= +cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= +cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= +cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4= +cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M= +cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= +cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= +cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc= +cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= +cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk= +cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I= +cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw= +cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA= +cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw= +cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos= +cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk= +dmitri.shuralyov.com/gpu/mtl 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([]ParquetFileInfo, []string, error) { + if len(parquetFiles) < 3 { + return parquetFiles, nil, nil + } + + maxHotSize := w.config.MaxHotParquetFileSizeBytes() + if maxHotSize <= 0 { + return parquetFiles, nil, nil + } + + pairIndex := hotParquetPairIndex(parquetFiles, maxHotSize) + if pairIndex < 0 { + return parquetFiles, nil, nil + } + + newFile, err := w.mergeParquetFiles(ctx, parquetFiles[pairIndex:pairIndex+2], parquetFilenamePrefix(parquetFiles[pairIndex].Path)) + if err != nil { + return nil, nil, err + } + + filesToDelete := []string{ + w.s3PathToKey(parquetFiles[pairIndex].Path), + w.s3PathToKey(parquetFiles[pairIndex+1].Path), + } + + compactedFiles := make([]ParquetFileInfo, 0, len(parquetFiles)-1) + compactedFiles = append(compactedFiles, parquetFiles[:pairIndex]...) + compactedFiles = append(compactedFiles, newFile) + compactedFiles = append(compactedFiles, parquetFiles[pairIndex+2:]...) + + LogInfo(w.config, fmt.Sprintf( + "Compacted hot parquet pair: %s + %s -> %s", + parquetFilename(parquetFiles[pairIndex].Path), + parquetFilename(parquetFiles[pairIndex+1].Path), + parquetFilename(newFile.Path), + )) + + return compactedFiles, filesToDelete, nil +} + +func hotParquetPairIndex(parquetFiles []ParquetFileInfo, maxHotSize int64) int { + latestFileIndex := len(parquetFiles) - 1 + for i := 0; i+1 < latestFileIndex; i++ { + if shouldCompactHotParquetPair(parquetFiles[i], parquetFiles[i+1], maxHotSize) { + return i + } + } + + return -1 +} + +func shouldCompactHotParquetPair(first, second ParquetFileInfo, maxHotSize int64) bool { + return isAroundHotParquetSize(first.Size, maxHotSize) && + isAroundHotParquetSize(second.Size, maxHotSize) +} + +func isAroundHotParquetSize(size, maxHotSize int64) bool { + return size >= maxHotSize*HOT_PARQUET_COMPACTION_MIN_PERCENT/100 && + size <= maxHotSize*HOT_PARQUET_COMPACTION_MAX_PERCENT/100 +} + +func parquetFilename(parquetPath string) string { + return path.Base(parquetPath) +} + +func parquetFilenamePrefix(parquetPath string) string { + filename := parquetFilename(parquetPath) + prefix, _, found := strings.Cut(filename, "_") + if !found { + return strings.TrimSuffix(filename, ".parquet") + } + return prefix +} diff --git a/processor/hot_parquet_compactor_test.go b/processor/hot_parquet_compactor_test.go new file mode 100644 index 0000000..73e1c1a --- /dev/null +++ b/processor/hot_parquet_compactor_test.go @@ -0,0 +1,64 @@ +package main + +import "testing" + +func TestHotParquetPairIndexReturnsFirstEligiblePair(t *testing.T) { + maxHotSize := int64(100) + parquetFiles := []ParquetFileInfo{ + {Size: 200}, + {Size: 100}, + {Size: 110}, + {Size: 105}, + {Size: 100}, + } + + if got := hotParquetPairIndex(parquetFiles, maxHotSize); got != 1 { + t.Fatalf("hotParquetPairIndex = %d, want 1", got) + } +} + +func TestHotParquetPairIndexSkipsLatestFile(t *testing.T) { + maxHotSize := int64(100) + parquetFiles := []ParquetFileInfo{ + {Size: 200}, + {Size: 200}, + {Size: 100}, + {Size: 100}, + } + + if got := hotParquetPairIndex(parquetFiles, maxHotSize); got != -1 { + t.Fatalf("hotParquetPairIndex = %d, want -1", got) + } +} + +func TestShouldCompactHotParquetPairAllowsBothFilesAtMaxPercent(t *testing.T) { + maxHotSize := int64(100) + + if !shouldCompactHotParquetPair( + ParquetFileInfo{Size: 120}, + ParquetFileInfo{Size: 120}, + maxHotSize, + ) { + t.Fatal("expected files at max hot percent to compact") + } +} + +func TestShouldCompactHotParquetPairRequiresEachFileAroundHotSize(t *testing.T) { + maxHotSize := int64(100) + + if shouldCompactHotParquetPair( + ParquetFileInfo{Size: 79}, + ParquetFileInfo{Size: 100}, + maxHotSize, + ) { + t.Fatal("expected file below min hot percent to skip compaction") + } + + if shouldCompactHotParquetPair( + ParquetFileInfo{Size: 100}, + ParquetFileInfo{Size: 121}, + maxHotSize, + ) { + t.Fatal("expected file above max hot percent to skip compaction") + } +} diff --git a/processor/iceberg_metadata.go b/processor/iceberg_metadata.go new file mode 100644 index 0000000..c2aff9c --- /dev/null +++ b/processor/iceberg_metadata.go @@ -0,0 +1,417 @@ +package main + +import ( + "context" + "encoding/json" + "fmt" + "os" + "path" + "time" + + "github.com/google/uuid" + "github.com/linkedin/goavro" +) + +const ( + ICEBERG_METADATA_FILE_NAME = "v1.metadata.json" +) + +const MANIFEST_SCHEMA = `{ + "type": "record", + "name": "manifest_entry", + "fields": [ + {"name": "status", "type": "int", "field-id": 0}, + {"name": "snapshot_id", "type": ["null", "long"], "default": null, "field-id": 1}, + {"name": "sequence_number", "type": ["null", "long"], "default": null, "field-id": 3}, + {"name": "file_sequence_number", "type": ["null", "long"], "default": null, "field-id": 4}, + { + "name": "data_file", + "type": { + "type": "record", + "name": "data_file", + "fields": [ + {"name": "content", "type": "int", "default": 0, "field-id": 134}, + {"name": "file_path", "type": "string", "field-id": 100}, + {"name": "file_format", "type": "string", "field-id": 101}, + {"name": "partition", "type": "null", "default": null, "field-id": 102}, + {"name": "record_count", "type": "long", "field-id": 103}, + {"name": "file_size_in_bytes", "type": "long", "field-id": 104}, + {"name": "column_sizes", "type": ["null", {"type": "array", "logicalType": "map", "items": {"type": "record", "name": "k117_v118", "fields": [{"name": "key", "type": "int", "field-id": 117}, {"name": "value", "type": "long", "field-id": 118}]}}], "default": null, "field-id": 108}, + {"name": "value_counts", "type": ["null", {"type": "array", "logicalType": "map", "items": {"type": "record", "name": "k119_v120", "fields": [{"name": "key", "type": "int", "field-id": 119}, {"name": "value", "type": "long", "field-id": 120}]}}], "default": null, "field-id": 109}, + {"name": "null_value_counts", "type": ["null", {"type": "array", "logicalType": "map", "items": {"type": "record", "name": "k121_v122", "fields": [{"name": "key", "type": "int", "field-id": 121}, {"name": "value", "type": "long", "field-id": 122}]}}], "default": null, "field-id": 110}, + {"name": "nan_value_counts", "type": ["null", {"type": "array", "logicalType": "map", "items": {"type": "record", "name": "k138_v139", "fields": [{"name": "key", "type": "int", "field-id": 138}, {"name": "value", "type": "long", "field-id": 139}]}}], "default": null, "field-id": 137}, + {"name": "lower_bounds", "type": ["null", {"type": "array", "logicalType": "map", "items": {"type": "record", "name": "k126_v127", "fields": [{"name": "key", "type": "int", "field-id": 126}, {"name": "value", "type": "bytes", "field-id": 127}]}}], "default": null, "field-id": 125}, + {"name": "upper_bounds", "type": ["null", {"type": "array", "logicalType": "map", "items": {"type": "record", "name": "k129_v130", "fields": [{"name": "key", "type": "int", "field-id": 129}, {"name": "value", "type": "bytes", "field-id": 130}]}}], "default": null, "field-id": 128}, + {"name": "key_metadata", "type": ["null", "bytes"], "default": null, "field-id": 131}, + {"name": "split_offsets", "type": ["null", {"type": "array", "items": "long", "element-id": 133}], "default": null, "field-id": 132}, + {"name": "equality_ids", "type": ["null", {"type": "array", "items": "int", "element-id": 136}], "default": null, "field-id": 135}, + {"name": "sort_order_id", "type": ["null", "int"], "default": null, "field-id": 140} + ] + }, + "field-id": 2 + } + ] +}` + +const MANIFEST_LIST_SCHEMA = `{ + "type": "record", + "name": "manifest_file", + "fields": [ + {"name": "manifest_path", "type": "string", "field-id": 500}, + {"name": "manifest_length", "type": "long", "field-id": 501}, + {"name": "partition_spec_id", "type": "int", "field-id": 502}, + {"name": "content", "type": "int", "default": 0, "field-id": 517}, + {"name": "sequence_number", "type": "long", "field-id": 515}, + {"name": "min_sequence_number", "type": "long", "field-id": 516}, + {"name": "added_snapshot_id", "type": "long", "field-id": 503}, + {"name": "added_files_count", "type": "int", "field-id": 504}, + {"name": "existing_files_count", "type": "int", "field-id": 505}, + {"name": "deleted_files_count", "type": "int", "field-id": 506}, + {"name": "added_rows_count", "type": "long", "field-id": 512}, + {"name": "existing_rows_count", "type": "long", "field-id": 513}, + {"name": "deleted_rows_count", "type": "long", "field-id": 514}, + {"name": "partitions", "type": ["null", {"type": "array", "element-id": 508, "items": {"type": "record", "name": "r508", "fields": [{"name": "contains_null", "type": "boolean", "field-id": 509}, {"name": "contains_nan", "type": ["null", "boolean"], "default": null, "field-id": 518}, {"name": "lower_bound", "type": ["null", "bytes"], "default": null, "field-id": 510}, {"name": "upper_bound", "type": ["null", "bytes"], "default": null, "field-id": 511}]}}], "default": null, "field-id": 507}, + {"name": "key_metadata", "type": ["null", "bytes"], "default": null, "field-id": 519} + ] +}` + +type ManifestFile struct { + Path string + Size int64 + TotalRecordCount int64 + TotalDataFiles int32 +} + +type ManifestListFile struct { + Path string + SnapshotId int64 + SequenceNumber int + TimestampMs int64 + TotalFilesSize int64 + TotalDataFiles int64 + TotalRecords int64 +} + +type IcebergMetadataWriter struct { + config *Config + s3Client *S3Client + tableS3Path string + metadataPath string +} + +func NewIcebergMetadataWriter(config *Config, s3Client *S3Client, tableS3Path, metadataPath string) *IcebergMetadataWriter { + return &IcebergMetadataWriter{ + config: config, + s3Client: s3Client, + tableS3Path: tableS3Path, + metadataPath: metadataPath, + } +} + +func (w *IcebergMetadataWriter) WriteManifest(parquetFiles []ParquetFileInfo) (ManifestFile, error) { + timestamp := time.Now().Format("20060102-150405") + filename := fmt.Sprintf("%s_%s-m0.avro", timestamp, uuid.New().String()[:8]) + tempFile, err := os.CreateTemp("", "manifest-*.avro") + if err != nil { + return ManifestFile{}, fmt.Errorf("failed to create temp file: %w", err) + } + defer os.Remove(tempFile.Name()) + defer tempFile.Close() + + manifestEntries := make([]map[string]interface{}, len(parquetFiles)) + + for i, pf := range parquetFiles { + columnSizesArr := []interface{}{} + for fieldId, size := range pf.Stats.ColumnSizes { + columnSizesArr = append(columnSizesArr, map[string]interface{}{ + "key": fieldId, + "value": size, + }) + } + + valueCountsArr := []interface{}{} + for fieldId, count := range pf.Stats.ValueCounts { + valueCountsArr = append(valueCountsArr, map[string]interface{}{ + "key": fieldId, + "value": count, + }) + } + + nullValueCountsArr := []interface{}{} + for fieldId, count := range pf.Stats.NullValueCounts { + nullValueCountsArr = append(nullValueCountsArr, map[string]interface{}{ + "key": fieldId, + "value": count, + }) + } + + lowerBoundsArr := []interface{}{} + for fieldId, val := range pf.Stats.LowerBounds { + lowerBoundsArr = append(lowerBoundsArr, map[string]interface{}{ + "key": fieldId, + "value": val, + }) + } + + upperBoundsArr := []interface{}{} + for fieldId, val := range pf.Stats.UpperBounds { + upperBoundsArr = append(upperBoundsArr, map[string]interface{}{ + "key": fieldId, + "value": val, + }) + } + + nanValueCountsArr := []interface{}{} + + dataFile := map[string]interface{}{ + "content": 0, + "file_path": pf.Path, + "file_format": "PARQUET", + "partition": nil, + "record_count": pf.RecordCount, + "file_size_in_bytes": pf.Size, + "column_sizes": map[string]interface{}{ + "array": columnSizesArr, + }, + "value_counts": map[string]interface{}{ + "array": valueCountsArr, + }, + "null_value_counts": map[string]interface{}{ + "array": nullValueCountsArr, + }, + "nan_value_counts": map[string]interface{}{ + "array": nanValueCountsArr, + }, + "lower_bounds": map[string]interface{}{ + "array": lowerBoundsArr, + }, + "upper_bounds": map[string]interface{}{ + "array": upperBoundsArr, + }, + "key_metadata": nil, + "split_offsets": map[string]interface{}{ + "array": pf.Stats.SplitOffsets, + }, + "equality_ids": nil, + "sort_order_id": map[string]interface{}{ + "int": 0, + }, + } + + snapshotId := time.Now().UnixNano() + manifestEntries[i] = map[string]interface{}{ + "status": 1, // ADDED + "snapshot_id": map[string]interface{}{"long": snapshotId}, + "sequence_number": map[string]interface{}{"long": int64(i + 1)}, + "file_sequence_number": map[string]interface{}{"long": int64(i + 1)}, + "data_file": dataFile, + } + } + + codec, err := goavro.NewCodec(MANIFEST_SCHEMA) + if err != nil { + return ManifestFile{}, fmt.Errorf("failed to create avro codec: %w", err) + } + + ocfWriter, err := goavro.NewOCFWriter(goavro.OCFConfig{ + W: tempFile, + Codec: codec, + Schema: MANIFEST_SCHEMA, + }) + if err != nil { + return ManifestFile{}, fmt.Errorf("failed to create OCF writer: %w", err) + } + + if err := ocfWriter.Append(manifestEntries); err != nil { + return ManifestFile{}, fmt.Errorf("failed to write manifest entries: %w", err) + } + + tempFile.Close() + + // Read file and upload to S3 + data, err := os.ReadFile(tempFile.Name()) + if err != nil { + return ManifestFile{}, fmt.Errorf("failed to read temp file: %w", err) + } + + s3Key := path.Join(w.metadataPath, filename) + if err := w.s3Client.Upload(context.TODO(), s3Key, data); err != nil { + return ManifestFile{}, fmt.Errorf("failed to upload manifest: %w", err) + } + + var totalRecords int64 + for _, pf := range parquetFiles { + totalRecords += pf.RecordCount + } + + return ManifestFile{ + Path: w.config.S3Path(s3Key), + Size: int64(len(data)), + TotalRecordCount: totalRecords, + TotalDataFiles: int32(len(parquetFiles)), + }, nil +} + +func (w *IcebergMetadataWriter) WriteManifestList(manifestFile ManifestFile, sequenceNumber int, totalDataFileSize int64) (ManifestListFile, error) { + timestamp := time.Now().Format("20060102-150405") + filename := fmt.Sprintf("snap-%s_%s.avro", timestamp, uuid.New().String()[:8]) + tempFile, err := os.CreateTemp("", "manifest-list-*.avro") + if err != nil { + return ManifestListFile{}, fmt.Errorf("failed to create temp file: %w", err) + } + defer os.Remove(tempFile.Name()) + defer tempFile.Close() + + snapshotId := time.Now().UnixNano() + timestampMs := time.Now().UnixMilli() + + manifestListEntry := map[string]interface{}{ + "manifest_path": manifestFile.Path, + "manifest_length": manifestFile.Size, + "partition_spec_id": 0, + "content": 0, + "sequence_number": int64(sequenceNumber), + "min_sequence_number": int64(1), + "added_snapshot_id": snapshotId, + "added_files_count": int32(0), + "existing_files_count": manifestFile.TotalDataFiles, + "deleted_files_count": int32(0), + "added_rows_count": int64(0), + "existing_rows_count": manifestFile.TotalRecordCount, + "deleted_rows_count": int64(0), + "partitions": nil, + "key_metadata": nil, + } + + codec, err := goavro.NewCodec(MANIFEST_LIST_SCHEMA) + if err != nil { + return ManifestListFile{}, fmt.Errorf("failed to create avro codec: %w", err) + } + + ocfWriter, err := goavro.NewOCFWriter(goavro.OCFConfig{ + W: tempFile, + Codec: codec, + Schema: MANIFEST_LIST_SCHEMA, + }) + if err != nil { + return ManifestListFile{}, fmt.Errorf("failed to create OCF writer: %w", err) + } + + if err := ocfWriter.Append([]map[string]interface{}{manifestListEntry}); err != nil { + return ManifestListFile{}, fmt.Errorf("failed to write manifest list entry: %w", err) + } + + tempFile.Close() + + // Read and upload + data, err := os.ReadFile(tempFile.Name()) + if err != nil { + return ManifestListFile{}, fmt.Errorf("failed to read temp file: %w", err) + } + + s3Key := path.Join(w.metadataPath, filename) + if err := w.s3Client.Upload(context.TODO(), s3Key, data); err != nil { + return ManifestListFile{}, fmt.Errorf("failed to upload manifest list: %w", err) + } + + return ManifestListFile{ + Path: w.config.S3Path(s3Key), + SnapshotId: snapshotId, + SequenceNumber: sequenceNumber, + TimestampMs: timestampMs, + TotalFilesSize: totalDataFileSize, + TotalDataFiles: int64(manifestFile.TotalDataFiles), + TotalRecords: manifestFile.TotalRecordCount, + }, nil +} + +func (w *IcebergMetadataWriter) WriteMetadata(manifestListFile ManifestListFile) error { + tableUUID := uuid.New().String() + + metadata := map[string]interface{}{ + "format-version": 2, + "table-uuid": tableUUID, + "location": w.config.S3Path(w.tableS3Path), + "last-updated-ms": manifestListFile.TimestampMs, + "last-column-id": 14, + "schemas": []interface{}{ + map[string]interface{}{ + "type": "struct", + "schema-id": 0, + "fields": []interface{}{ + map[string]interface{}{"id": 1, "name": "id", "required": true, "type": "string"}, + map[string]interface{}{"id": 2, "name": "database", "required": true, "type": "string"}, + map[string]interface{}{"id": 3, "name": "schema", "required": true, "type": "string"}, + map[string]interface{}{"id": 4, "name": "table", "required": true, "type": "string"}, + map[string]interface{}{"id": 5, "name": "primary_key", "required": false, "type": "string"}, + map[string]interface{}{"id": 6, "name": "operation", "required": true, "type": "string"}, + map[string]interface{}{"id": 7, "name": "before", "required": false, "type": "string"}, + map[string]interface{}{"id": 8, "name": "after", "required": false, "type": "string"}, + map[string]interface{}{"id": 9, "name": "context", "required": false, "type": "string"}, + map[string]interface{}{"id": COMMITTED_AT_FIELD_ID, "name": "committed_at", "required": true, "type": "timestamptz"}, + map[string]interface{}{"id": 11, "name": "queued_at", "required": true, "type": "timestamptz"}, + map[string]interface{}{"id": 12, "name": "created_at", "required": true, "type": "timestamptz"}, + map[string]interface{}{"id": 13, "name": "transaction_id", "required": true, "type": "long"}, + map[string]interface{}{"id": 14, "name": "position", "required": true, "type": "long"}, + }, + }, + }, + "current-schema-id": 0, + "partition-specs": []interface{}{ + map[string]interface{}{ + "spec-id": 0, + "fields": []interface{}{}, + }, + }, + "default-spec-id": 0, + "last-partition-id": 999, + "default-sort-order-id": 0, + "sort-orders": []interface{}{ + map[string]interface{}{ + "order-id": 0, + "fields": []interface{}{}, + }, + }, + "properties": map[string]string{}, + "current-snapshot-id": manifestListFile.SnapshotId, + "refs": map[string]interface{}{ + "main": map[string]interface{}{ + "snapshot-id": manifestListFile.SnapshotId, + "type": "branch", + }, + }, + "snapshots": []interface{}{ + map[string]interface{}{ + "snapshot-id": manifestListFile.SnapshotId, + "timestamp-ms": manifestListFile.TimestampMs, + "sequence-number": manifestListFile.SequenceNumber, + "manifest-list": manifestListFile.Path, + "summary": map[string]interface{}{ + "operation": "append", + "total-data-files": fmt.Sprintf("%d", manifestListFile.TotalDataFiles), + "total-records": fmt.Sprintf("%d", manifestListFile.TotalRecords), + "total-files-size": fmt.Sprintf("%d", manifestListFile.TotalFilesSize), + }, + }, + }, + "snapshot-log": []interface{}{ + map[string]interface{}{ + "snapshot-id": manifestListFile.SnapshotId, + "timestamp-ms": manifestListFile.TimestampMs, + }, + }, + "metadata-log": []interface{}{}, + } + + data, err := json.MarshalIndent(metadata, "", " ") + if err != nil { + return fmt.Errorf("failed to marshal metadata: %w", err) + } + + s3Key := path.Join(w.metadataPath, ICEBERG_METADATA_FILE_NAME) + if err := w.s3Client.Upload(context.TODO(), s3Key, data); err != nil { + return fmt.Errorf("failed to upload metadata: %w", err) + } + + return nil +} diff --git a/processor/iceberg_writer.go b/processor/iceberg_writer.go new file mode 100644 index 0000000..b86479c --- /dev/null +++ b/processor/iceberg_writer.go @@ -0,0 +1,937 @@ +package main + +import ( + "bytes" + "context" + "database/sql" + "database/sql/driver" + "encoding/binary" + "encoding/json" + "errors" + "fmt" + "path" + "sort" + "strconv" + "strings" + "time" + + "github.com/duckdb/duckdb-go/v2" + "github.com/google/uuid" + "github.com/xitongsys/parquet-go-source/s3" + "github.com/xitongsys/parquet-go/reader" + "github.com/xitongsys/parquet-go/source" +) + +const TABLE_NAME = "changes" + +// MapOperation converts Debezium operation codes to readable operation names +func MapOperation(config *Config, op string) string { + switch op { + case OPERATION_CREATE: + return "CREATE" + case OPERATION_UPDATE: + return "UPDATE" + case OPERATION_DELETE: + return "DELETE" + case OPERATION_TRUNCATE: + return "TRUNCATE" + case OPERATION_MESSAGE: + return "MESSAGE" + default: + // Should never happen with valid cdc data + LogWarn(config, fmt.Sprintf("Unknown operation code: %s", op)) + return op + } +} + +type ParquetFileStats struct { + ColumnSizes map[int]int64 + ValueCounts map[int]int64 + NullValueCounts map[int]int64 + LowerBounds map[int][]byte + UpperBounds map[int][]byte + SplitOffsets []int64 +} + +const COMMITTED_AT_FIELD_ID = 10 + +type ParquetFileInfo struct { + Path string + Size int64 + RecordCount int64 + Stats ParquetFileStats +} + +type IcebergMetadata struct { + FormatVersion int `json:"format-version"` + TableUUID string `json:"table-uuid"` + Location string `json:"location"` + LastUpdatedMs int64 `json:"last-updated-ms"` + LastColumnId int `json:"last-column-id"` + CurrentSnapshotId int64 `json:"current-snapshot-id"` + Snapshots []IcebergSnapshot `json:"snapshots"` + Schemas []interface{} `json:"schemas"` +} + +type IcebergSnapshot struct { + SnapshotId int64 `json:"snapshot-id"` + SequenceNumber int `json:"sequence-number"` + TimestampMs int64 `json:"timestamp-ms"` + ManifestList string `json:"manifest-list"` +} + +type IcebergWriter struct { + config *Config + duckdb *DuckDBClient + s3Client *S3Client + tableS3Path string + dataS3Path string + metadataPath string + storageUtils *StorageUtils + cleanedOrphans bool + parquetFiles []ParquetFileInfo + parquetFilesLoaded bool + filesPendingDelete []string +} + +func NewIcebergWriter(config *Config, s3Client *S3Client) *IcebergWriter { + tableS3Path := path.Join(config.AuditBasePath, TABLE_NAME) + dataS3Path := path.Join(tableS3Path, "data") + metadataPath := path.Join(tableS3Path, "metadata") + + return &IcebergWriter{ + config: config, + s3Client: s3Client, + tableS3Path: tableS3Path, + dataS3Path: dataS3Path, + metadataPath: metadataPath, + storageUtils: NewStorageUtils(config, s3Client), + } +} + +func (w *IcebergWriter) SetDuckDB(duckdb *DuckDBClient) { + w.duckdb = duckdb +} + +func (w *IcebergWriter) AppendMessages(ctx context.Context, records []*FetchedRecord) error { + if len(records) == 0 { + return nil + } + if w.duckdb == nil { + return errors.New("duckdb client is not set") + } + + // Use background context for all database/storage operations + // to ensure they complete even if parent context is cancelled + bgCtx := context.Background() + + // Get existing parquet files + existingParquetFiles, err := w.getExistingParquetFiles(bgCtx) + if err != nil { + return fmt.Errorf("failed to get existing files: %w", err) + } + sortParquetFilesInfo(existingParquetFiles) + + var filesToDelete []string + + if !w.cleanedOrphans { + orphanFiles, err := w.orphanParquetFiles(bgCtx, existingParquetFiles) + if err != nil { + LogWarn(w.config, "Failed to find orphan parquet files:", err) + } else { + filesToDelete = append(filesToDelete, orphanFiles...) + w.cleanedOrphans = true + } + } + + // Create temp table with new data + tempTable := w.createTempTableName() + if err := w.createAndPopulateTempTable(bgCtx, tempTable, records); err != nil { + return err + } + defer w.dropTempTable(bgCtx, tempTable) + + var parquetFiles []ParquetFileInfo + var operationDesc string + + if len(existingParquetFiles) > 0 { + lastFile := existingParquetFiles[len(existingParquetFiles)-1] + + if lastFile.Size < w.config.MaxHotParquetFileSizeBytes() { // && lastFile.RecordCount < 1 when testing multiple Parquet files + parquetFiles = existingParquetFiles[:len(existingParquetFiles)-1] + newFile, err := w.mergeAndWriteParquet(bgCtx, tempTable, lastFile) + if err != nil { + return err + } + parquetFiles = append(parquetFiles, newFile) + filesToDelete = append(filesToDelete, w.s3PathToKey(lastFile.Path)) + operationDesc = fmt.Sprintf("merged with last parquet file, parquet_files=%d", len(parquetFiles)) + } else { + parquetFiles = existingParquetFiles + newFile, err := w.writeNewParquet(bgCtx, tempTable) + if err != nil { + return err + } + parquetFiles = append(parquetFiles, newFile) + operationDesc = fmt.Sprintf("created new parquet file, parquet_files=%d", len(parquetFiles)) + } + } else { + // First file + newFile, err := w.writeNewParquet(bgCtx, tempTable) + if err != nil { + return err + } + parquetFiles = []ParquetFileInfo{newFile} + operationDesc = "created first parquet file" + } + + compactedParquetFiles, compactedFilesToDelete, err := w.compactHotParquetFiles(bgCtx, parquetFiles) + if err != nil { + return err + } + if len(compactedFilesToDelete) > 0 { + parquetFiles = compactedParquetFiles + filesToDelete = append(filesToDelete, compactedFilesToDelete...) + operationDesc = fmt.Sprintf("%s, compacted_old_parquet_files=%d, parquet_files=%d", operationDesc, len(compactedFilesToDelete), len(parquetFiles)) + } + sortParquetFilesInfo(parquetFiles) + + retainedParquetFiles, retentionFilesToDelete, err := w.dropOldestParquetFileOutsideRetention(parquetFiles) + if err != nil { + LogWarn(w.config, "Failed to apply retention period:", err) + } else if len(retentionFilesToDelete) > 0 { + parquetFiles = retainedParquetFiles + filesToDelete = append(filesToDelete, retentionFilesToDelete...) + operationDesc = fmt.Sprintf("%s, dropped_oldest_retained_parquet_file=1, parquet_files=%d", operationDesc, len(parquetFiles)) + } + + // Get old metadata files to delete + oldMetadataFiles, err := w.getOldMetadataFiles(bgCtx) + if err != nil { + LogWarn(w.config, "Failed to get old metadata files:", err) + } else { + filesToDelete = append(filesToDelete, oldMetadataFiles...) + } + + // Write Iceberg metadata + if err := w.writeIcebergMetadata(parquetFiles); err != nil { + return fmt.Errorf("failed to write Iceberg metadata: %w", err) + } + + w.setCachedParquetFiles(parquetFiles) + // Keep files from the previous snapshot available for one more successful + // append so readers that already resolved that snapshot can finish. + filesReadyToDelete := w.stageFilesForDeletion(filesToDelete) + w.deleteFiles(bgCtx, filesReadyToDelete) + + LogInfo(w.config, fmt.Sprintf("Appended %d messages (%s)", len(records), operationDesc)) + return nil +} + +func (w *IcebergWriter) writeIcebergMetadata(parquetFiles []ParquetFileInfo) error { + metadataWriter := NewIcebergMetadataWriter(w.config, w.s3Client, w.tableS3Path, w.metadataPath) + + // Calculate total size + var totalSize int64 + for _, pf := range parquetFiles { + totalSize += pf.Size + } + + // Write manifest (lists all parquet files) + manifestFile, err := metadataWriter.WriteManifest(parquetFiles) + if err != nil { + return fmt.Errorf("failed to write manifest: %w", err) + } + + // Write manifest list (references the manifest) + sequenceNumber := len(parquetFiles) + 1 + manifestListFile, err := metadataWriter.WriteManifestList(manifestFile, sequenceNumber, totalSize) + if err != nil { + return fmt.Errorf("failed to write manifest list: %w", err) + } + + // Write metadata.json (root Iceberg metadata) + if err := metadataWriter.WriteMetadata(manifestListFile); err != nil { + return fmt.Errorf("failed to write metadata: %w", err) + } + + LogInfo(w.config, "Wrote Iceberg metadata: manifest, manifest-list, metadata.json") + return nil +} + +func (w *IcebergWriter) createAndPopulateTempTable(ctx context.Context, tableName string, records []*FetchedRecord) error { + createSQL := fmt.Sprintf(` + CREATE TABLE %s ( + id VARCHAR, + database VARCHAR(255), + schema VARCHAR(255), + "table" VARCHAR(255), + primary_key VARCHAR(255), + operation VARCHAR(10), + before JSON, + "after" JSON, + context JSON, + committed_at TIMESTAMPTZ, + queued_at TIMESTAMPTZ, + created_at TIMESTAMPTZ, + transaction_id BIGINT, + position BIGINT + ) + `, tableName) + + if _, err := w.duckdb.ExecContext(ctx, createSQL); err != nil { + return err + } + + conn, err := w.duckdb.db.Conn(ctx) + if err != nil { + return fmt.Errorf("failed to get duckdb connection: %w", err) + } + defer conn.Close() + + return conn.Raw(func(driverConn interface{}) error { + duckdbConn, ok := driverConn.(driver.Conn) + if !ok { + return fmt.Errorf("unexpected duckdb driver connection type %T", driverConn) + } + + appender, err := duckdb.NewAppenderFromConn(duckdbConn, "", tableName) + if err != nil { + return fmt.Errorf("failed to create duckdb appender: %w", err) + } + + for _, record := range records { + row := w.messageToRow(record.Message) + if err := appender.AppendRow( + row.ID, row.Database, row.Schema, row.Table, nullableStringValue(row.PrimaryKey), + row.Operation, nullableJSONValue(row.Before), nullableJSONValue(row.After), nullableJSONValue(row.Context), + row.CommittedAt, row.QueuedAt, row.CreatedAt, + row.TransactionID, row.Position, + ); err != nil { + _ = appender.Close() + return fmt.Errorf("failed to append row: %w", err) + } + } + + if err := appender.Close(); err != nil { + return fmt.Errorf("failed to close duckdb appender: %w", err) + } + return nil + }) +} + +func (w *IcebergWriter) messageToRow(msg *ChangeMessage) struct { + ID string + Database string + Schema string + Table string + PrimaryKey sql.NullString + Operation string + Before sql.NullString + After sql.NullString + Context sql.NullString + CommittedAt time.Time + QueuedAt time.Time + CreatedAt time.Time + TransactionID int64 + Position int64 +} { + id := uuid.New().String() + now := time.Now() + committedAt := time.UnixMicro(msg.Source.TsUs) + queuedAt := time.UnixMicro(msg.TsUs) + + operation := MapOperation(w.config, msg.Op) + + var beforeJSON, afterJSON, contextJSON sql.NullString + if msg.Before != nil { + if data, err := json.Marshal(msg.Before); err == nil { + beforeJSON = sql.NullString{String: string(data), Valid: true} + } + } + if msg.After != nil { + if data, err := json.Marshal(msg.After); err == nil { + afterJSON = sql.NullString{String: string(data), Valid: true} + } + } + if len(msg.Context) > 0 { + if data, err := json.Marshal(msg.Context); err == nil { + contextJSON = sql.NullString{String: string(data), Valid: true} + } + } + + var primaryKeyValue sql.NullString + if len(msg.Source.Pk) > 0 { + // Extract primary key values from After (for INSERT/UPDATE) or Before (for DELETE) + data := msg.After + if data == nil { + data = msg.Before + } + + if data != nil { + var pkStrings []string + for _, pkCol := range msg.Source.Pk { + if val, ok := data[pkCol]; ok { + pkStrings = append(pkStrings, formatPrimaryKeyValue(val)) + } + } + + if len(pkStrings) > 0 { + // Single PK: store as string without quotes, compound PK: store as JSON array + if len(pkStrings) == 1 { + primaryKeyValue = sql.NullString{String: pkStrings[0], Valid: true} + } else { + if pkData, err := json.Marshal(pkStrings); err == nil { + primaryKeyValue = sql.NullString{String: string(pkData), Valid: true} + } + } + } + } + } + + return struct { + ID string + Database string + Schema string + Table string + PrimaryKey sql.NullString + Operation string + Before sql.NullString + After sql.NullString + Context sql.NullString + CommittedAt time.Time + QueuedAt time.Time + CreatedAt time.Time + TransactionID int64 + Position int64 + }{ + ID: id, + Database: msg.Source.Db, + Schema: msg.Source.Schema, + Table: msg.Source.Table, + PrimaryKey: primaryKeyValue, + Operation: operation, + Before: beforeJSON, + After: afterJSON, + Context: contextJSON, + CommittedAt: committedAt, + QueuedAt: queuedAt, + CreatedAt: now, + TransactionID: int64(msg.Source.TxId), + Position: int64(msg.Source.Lsn), + } +} + +func formatPrimaryKeyValue(value interface{}) string { + switch v := value.(type) { + case nil: + return "null" + case json.Number: + return v.String() + case string: + return v + case float64: + return strconv.FormatFloat(v, 'f', -1, 64) + case float32: + return strconv.FormatFloat(float64(v), 'f', -1, 32) + case fmt.Stringer: + return v.String() + default: + return fmt.Sprintf("%v", v) + } +} + +func nullableStringValue(value sql.NullString) interface{} { + if !value.Valid { + return nil + } + return value.String +} + +func nullableJSONValue(value sql.NullString) interface{} { + if !value.Valid { + return nil + } + return json.RawMessage(value.String) +} + +func (w *IcebergWriter) mergeAndWriteParquet(ctx context.Context, tempTable string, existingFile ParquetFileInfo) (ParquetFileInfo, error) { + existingS3Path := existingFile.Path + if !strings.HasPrefix(existingS3Path, "s3://") { + existingS3Path = w.config.S3Path(existingS3Path) + } + + mergedTable := w.createTempTableName() + createSQL := fmt.Sprintf(` + CREATE TABLE %s AS + SELECT * FROM read_parquet('%s') + UNION ALL + SELECT * FROM %s + `, mergedTable, existingS3Path, tempTable) + + if _, err := w.duckdb.ExecContext(ctx, createSQL); err != nil { + return ParquetFileInfo{}, fmt.Errorf("failed to merge: %w", err) + } + defer w.dropTempTable(ctx, mergedTable) + + return w.writeParquetFromTable(ctx, mergedTable) +} + +func (w *IcebergWriter) mergeParquetFiles(ctx context.Context, existingFiles []ParquetFileInfo, filenamePrefix string) (ParquetFileInfo, error) { + if len(existingFiles) == 0 { + return ParquetFileInfo{}, fmt.Errorf("no parquet files to merge") + } + + mergedTable := w.createTempTableName() + selects := make([]string, 0, len(existingFiles)) + for _, existingFile := range existingFiles { + existingS3Path := existingFile.Path + if !strings.HasPrefix(existingS3Path, "s3://") { + existingS3Path = w.config.S3Path(existingS3Path) + } + selects = append(selects, fmt.Sprintf("SELECT * FROM read_parquet('%s')", existingS3Path)) + } + + createSQL := fmt.Sprintf(` + CREATE TABLE %s AS + %s + `, mergedTable, strings.Join(selects, "\nUNION ALL\n")) + + if _, err := w.duckdb.ExecContext(ctx, createSQL); err != nil { + return ParquetFileInfo{}, fmt.Errorf("failed to merge parquet files: %w", err) + } + defer w.dropTempTable(ctx, mergedTable) + + return w.writeParquetFromTableWithFilenamePrefix(ctx, mergedTable, filenamePrefix) +} + +func (w *IcebergWriter) writeNewParquet(ctx context.Context, tempTable string) (ParquetFileInfo, error) { + return w.writeParquetFromTable(ctx, tempTable) +} + +func (w *IcebergWriter) ReadParquetStats(fileReader source.ParquetFile) (ParquetFileStats, error) { + defer fileReader.Close() + + pr, err := reader.NewParquetReader(fileReader, nil, 1) + if err != nil { + return ParquetFileStats{}, fmt.Errorf("failed to create parquet reader: %w", err) + } + defer pr.ReadStop() + + stats := ParquetFileStats{ + ColumnSizes: make(map[int]int64), + ValueCounts: make(map[int]int64), + NullValueCounts: make(map[int]int64), + LowerBounds: make(map[int][]byte), + UpperBounds: make(map[int][]byte), + SplitOffsets: []int64{}, + } + + fieldIdByColumnName := map[string]int{ + "id": 1, + "database": 2, + "schema": 3, + "table": 4, + "primary_key": 5, + "operation": 6, + "before": 7, + "after": 8, + "context": 9, + "committed_at": COMMITTED_AT_FIELD_ID, + "queued_at": 11, + "created_at": 12, + "transaction_id": 13, + "position": 14, + } + + stringColumns := map[string]bool{ + "id": true, + "database": true, + "schema": true, + "table": true, + "primary_key": true, + "operation": true, + "before": true, + "after": true, + "context": true, + } + int64Columns := map[string]bool{ + "committed_at": true, + "queued_at": true, + "created_at": true, + "transaction_id": true, + "position": true, + } + + for _, rowGroup := range pr.Footer.RowGroups { + if rowGroup.FileOffset != nil { + stats.SplitOffsets = append(stats.SplitOffsets, *rowGroup.FileOffset) + } + + for _, columnChunk := range rowGroup.Columns { + columnMetaData := columnChunk.MetaData + columnName := strings.ToLower(columnMetaData.PathInSchema[0]) + fieldId, ok := fieldIdByColumnName[columnName] + if !ok { + continue + } + stats.ColumnSizes[fieldId] += columnMetaData.TotalCompressedSize + stats.ValueCounts[fieldId] += int64(columnMetaData.NumValues) + if columnMetaData.Statistics != nil && columnMetaData.Statistics.NullCount != nil { + stats.NullValueCounts[fieldId] += *columnMetaData.Statistics.NullCount + } else { + stats.NullValueCounts[fieldId] += 0 + } + + if columnMetaData.Statistics != nil { + minValue := columnMetaData.Statistics.Min + maxValue := columnMetaData.Statistics.Max + + isString := stringColumns[columnName] + isInt64 := int64Columns[columnName] + // Ignore empty values for non-string columns + if (isString || len(minValue) > 0) && shouldReplaceLowerBound(stats.LowerBounds[fieldId], minValue, isInt64) { + stats.LowerBounds[fieldId] = minValue + } + if (isString || len(maxValue) > 0) && shouldReplaceUpperBound(stats.UpperBounds[fieldId], maxValue, isInt64) { + stats.UpperBounds[fieldId] = maxValue + } + } + } + } + + return stats, nil +} + +func shouldReplaceLowerBound(current, candidate []byte, isInt64 bool) bool { + if current == nil { + return true + } + return compareParquetBound(current, candidate, isInt64) > 0 +} + +func shouldReplaceUpperBound(current, candidate []byte, isInt64 bool) bool { + if current == nil { + return true + } + return compareParquetBound(current, candidate, isInt64) < 0 +} + +func compareParquetBound(left, right []byte, isInt64 bool) int { + if isInt64 && len(left) == 8 && len(right) == 8 { + leftValue := int64(binary.LittleEndian.Uint64(left)) + rightValue := int64(binary.LittleEndian.Uint64(right)) + switch { + case leftValue < rightValue: + return -1 + case leftValue > rightValue: + return 1 + default: + return 0 + } + } + + return bytes.Compare(left, right) +} + +func (w *IcebergWriter) writeParquetFromTable(ctx context.Context, tableName string) (ParquetFileInfo, error) { + return w.writeParquetFromTableWithFilenamePrefix(ctx, tableName, time.Now().Format("20060102-150405")) +} + +func (w *IcebergWriter) writeParquetFromTableWithFilenamePrefix(ctx context.Context, tableName string, filenamePrefix string) (ParquetFileInfo, error) { + filename := fmt.Sprintf("%s_%s.parquet", filenamePrefix, uuid.New().String()[:8]) + filePath := path.Join(w.dataS3Path, filename) + s3Path := w.config.S3Path(filePath) + + fieldIds := []string{ + `"id": 1`, + `"database": 2`, + `"schema": 3`, + `"table": 4`, + `"primary_key": 5`, + `"operation": 6`, + `"before": 7`, + `"after": 8`, + `"context": 9`, + fmt.Sprintf(`"committed_at": %d`, COMMITTED_AT_FIELD_ID), + `"queued_at": 11`, + `"created_at": 12`, + `"transaction_id": 13`, + `"position": 14`, + } + copySQL := fmt.Sprintf(`COPY %s TO '%s' (FORMAT parquet, COMPRESSION zstd, COMPRESSION_LEVEL 1, ROW_GROUP_SIZE 100000, FIELD_IDS {%s})`, tableName, s3Path, strings.Join(fieldIds, ", ")) + + if _, err := w.duckdb.ExecContext(ctx, copySQL); err != nil { + return ParquetFileInfo{}, fmt.Errorf("failed to write parquet: %w", err) + } + + // Get row count by reading back the file + var recordCount int64 + countSQL := fmt.Sprintf(`SELECT COUNT(*) FROM '%s'`, s3Path) + + err := w.duckdb.QueryRowContext(ctx, countSQL).Scan(&recordCount) + if err != nil { + return ParquetFileInfo{}, fmt.Errorf("failed to get record count: %w", err) + } + + // Get file size from S3 metadata + fileSize, err := w.s3Client.GetFileSize(ctx, filePath) + if err != nil { + return ParquetFileInfo{}, fmt.Errorf("failed to get file size: %w", err) + } + + // Read parquet stats + fileReader, err := s3.NewS3FileReaderWithClient(ctx, w.s3Client.client, w.config.S3Bucket, filePath) + if err != nil { + return ParquetFileInfo{}, fmt.Errorf("failed to create s3 file reader: %w", err) + } + parquetStats, err := w.ReadParquetStats(fileReader) + if err != nil { + return ParquetFileInfo{}, fmt.Errorf("failed to read parquet stats: %w", err) + } + + // Format file size for readability + var sizeStr string + if fileSize >= 1024*1024 { + sizeStr = fmt.Sprintf("%.2f MB", float64(fileSize)/(1024*1024)) + } else if fileSize >= 1024 { + sizeStr = fmt.Sprintf("%.2f KB", float64(fileSize)/1024) + } else { + sizeStr = fmt.Sprintf("%d bytes", fileSize) + } + LogInfo(w.config, fmt.Sprintf("Wrote parquet file: %s | Records: %d | Size: %s", filename, recordCount, sizeStr)) + + return ParquetFileInfo{ + Path: w.config.S3Path(filePath), + Size: fileSize, + RecordCount: recordCount, + Stats: parquetStats, + }, nil +} + +func (w *IcebergWriter) getLatestMetadataFile(ctx context.Context) (string, error) { + return path.Join(w.metadataPath, ICEBERG_METADATA_FILE_NAME), nil +} + +func (w *IcebergWriter) getExistingParquetFiles(ctx context.Context) ([]ParquetFileInfo, error) { + if w.parquetFilesLoaded { + return cloneParquetFilesInfo(w.parquetFiles), nil + } + + metadataFile, err := w.getLatestMetadataFile(ctx) + if err != nil { + return nil, fmt.Errorf("failed to get metadata: %w", err) + } + + parquetFiles, err := w.storageUtils.CurrentParquetFiles(ctx, metadataFile) + if errors.Is(err, ErrIcebergMetadataNotFound) { + dataFiles, listErr := w.s3Client.ListFiles(ctx, w.dataS3Path) + if listErr != nil { + return nil, fmt.Errorf("failed to list data files after missing metadata: %w", listErr) + } + + for _, file := range dataFiles { + if strings.HasSuffix(file, ".parquet") { + return nil, fmt.Errorf("iceberg metadata is missing but parquet data files exist under %s", w.dataS3Path) + } + } + + w.setCachedParquetFiles(nil) + w.cleanedOrphans = true + return nil, nil + } + if err != nil { + return nil, err + } + + w.setCachedParquetFiles(parquetFiles) + return cloneParquetFilesInfo(w.parquetFiles), nil +} + +func (w *IcebergWriter) setCachedParquetFiles(parquetFiles []ParquetFileInfo) { + w.parquetFiles = cloneParquetFilesInfo(parquetFiles) + w.parquetFilesLoaded = true +} + +func cloneParquetFilesInfo(parquetFiles []ParquetFileInfo) []ParquetFileInfo { + if parquetFiles == nil { + return nil + } + cloned := make([]ParquetFileInfo, len(parquetFiles)) + copy(cloned, parquetFiles) + return cloned +} + +func sortParquetFilesInfo(parquetFiles []ParquetFileInfo) { + sort.Slice(parquetFiles, func(i, j int) bool { + return parquetFilename(parquetFiles[i].Path) < parquetFilename(parquetFiles[j].Path) + }) +} + +func (w *IcebergWriter) dropOldestParquetFileOutsideRetention(parquetFiles []ParquetFileInfo) ([]ParquetFileInfo, []string, error) { + if len(parquetFiles) == 0 { + return parquetFiles, nil, nil + } + + if w.config.RetentionDays == nil { + return parquetFiles, nil, nil + } + + retentionStartsAt := time.Now().UTC().AddDate(0, 0, -*w.config.RetentionDays) + oldestFile := parquetFiles[0] + maxCommittedAt, err := maxCommittedAtFromMetadata(oldestFile) + if err != nil { + return parquetFiles, nil, err + } + if !maxCommittedAt.Valid || !maxCommittedAt.Time.Before(retentionStartsAt) { + return parquetFiles, nil, nil + } + + LogInfo(w.config, fmt.Sprintf( + "Attempting to drop parquet file outside retention: file=%s, max_committed_at=%s, retention_starts_at=%s", + parquetFilename(oldestFile.Path), + maxCommittedAt.Time.UTC().Format(time.RFC3339Nano), + retentionStartsAt.Format(time.RFC3339Nano), + )) + + return parquetFiles[1:], []string{w.s3PathToKey(oldestFile.Path)}, nil +} + +func maxCommittedAtFromMetadata(parquetFile ParquetFileInfo) (sql.NullTime, error) { + upperBound, ok := parquetFile.Stats.UpperBounds[COMMITTED_AT_FIELD_ID] + if !ok { + return sql.NullTime{}, nil + } + if len(upperBound) != 8 { + return sql.NullTime{}, fmt.Errorf( + "invalid committed_at upper bound for %s: got %d bytes, want 8", + parquetFilename(parquetFile.Path), + len(upperBound), + ) + } + + return sql.NullTime{ + Time: time.UnixMicro(int64(binary.LittleEndian.Uint64(upperBound))).UTC(), + Valid: true, + }, nil +} + +func (w *IcebergWriter) orphanParquetFiles(ctx context.Context, parquetFiles []ParquetFileInfo) ([]string, error) { + files, err := w.s3Client.ListFiles(ctx, w.dataS3Path) + if err != nil { + return nil, err + } + + liveKeys := make(map[string]struct{}, len(parquetFiles)) + for _, parquetFile := range parquetFiles { + liveKeys[w.s3PathToKey(parquetFile.Path)] = struct{}{} + } + + var orphanFiles []string + for _, file := range files { + if !strings.HasSuffix(file, ".parquet") { + continue + } + + fileKey := path.Join(w.dataS3Path, file) + if _, ok := liveKeys[fileKey]; !ok { + orphanFiles = append(orphanFiles, fileKey) + } + } + + if len(orphanFiles) > 0 { + LogInfo(w.config, fmt.Sprintf("Found %d orphan parquet file(s) not referenced by current Iceberg metadata", len(orphanFiles))) + } + + return orphanFiles, nil +} + +func (w *IcebergWriter) createTempTableName() string { + return "temp_" + strings.ReplaceAll(uuid.New().String(), "-", "") +} + +func (w *IcebergWriter) dropTempTable(ctx context.Context, tableName string) { + _, _ = w.duckdb.ExecContext(ctx, "DROP TABLE IF EXISTS "+tableName) +} + +func (w *IcebergWriter) s3PathToKey(s3Path string) string { + // Convert s3://bucket/path to path + prefix := fmt.Sprintf("s3://%s/", w.config.S3Bucket) + return strings.TrimPrefix(s3Path, prefix) +} + +func (w *IcebergWriter) getOldMetadataFiles(ctx context.Context) ([]string, error) { + files, err := w.s3Client.ListFiles(ctx, w.metadataPath) + if err != nil { + return nil, err + } + + var keysToDelete []string + for _, file := range files { + // Delete old manifest and manifest-list files (avro files) + if strings.HasSuffix(file, ".avro") { + keysToDelete = append(keysToDelete, path.Join(w.metadataPath, file)) + } + } + + return keysToDelete, nil +} + +func (w *IcebergWriter) deleteFiles(ctx context.Context, keys []string) { + if len(keys) == 0 { + return + } + + for _, key := range keys { + var fileName string + if strings.Contains(key, "/data/") { + fileName = strings.Split(key, "/data/")[1] + } else if strings.Contains(key, "/metadata/") { + fileName = strings.Split(key, "/metadata/")[1] + } else { + fileName = key + } + + LogInfo(w.config, fmt.Sprintf("Deleting old file: %s", fileName)) + if err := w.s3Client.Delete(ctx, key); err != nil { + LogWarn(w.config, fmt.Sprintf("Failed to delete %s: %v", fileName, err)) + } + } +} + +func (w *IcebergWriter) stageFilesForDeletion(keys []string) []string { + ready := uniqueStrings(w.filesPendingDelete) + readySet := make(map[string]struct{}, len(ready)) + for _, key := range ready { + readySet[key] = struct{}{} + } + + nextSet := make(map[string]struct{}, len(keys)) + next := make([]string, 0, len(keys)) + for _, key := range keys { + if _, beingDeleted := readySet[key]; beingDeleted { + continue + } + if _, exists := nextSet[key]; exists { + continue + } + nextSet[key] = struct{}{} + next = append(next, key) + } + + w.filesPendingDelete = next + return ready +} + +func uniqueStrings(values []string) []string { + seen := make(map[string]struct{}, len(values)) + unique := make([]string, 0, len(values)) + for _, value := range values { + if _, exists := seen[value]; exists { + continue + } + seen[value] = struct{}{} + unique = append(unique, value) + } + return unique +} diff --git a/processor/iceberg_writer_test.go b/processor/iceberg_writer_test.go new file mode 100644 index 0000000..f9b9da1 --- /dev/null +++ b/processor/iceberg_writer_test.go @@ -0,0 +1,192 @@ +package main + +import ( + "encoding/binary" + "testing" + "time" +) + +func TestParquetInt64BoundsUseNumericOrdering(t *testing.T) { + actualMin := int64Bound(1781621455606000) + actualMax := int64Bound(1781813349941875) + + lexicographicallySmallerButLater := int64Bound(1781810317423793) + lexicographicallyLargerButEarlier := int64Bound(1781719942625000) + + lower := lexicographicallySmallerButLater + if shouldReplaceLowerBound(lower, actualMin, true) { + lower = actualMin + } + if got := int64(binary.LittleEndian.Uint64(lower)); got != 1781621455606000 { + t.Fatalf("lower bound = %d, want %d", got, int64(1781621455606000)) + } + + upper := lexicographicallyLargerButEarlier + if shouldReplaceUpperBound(upper, actualMax, true) { + upper = actualMax + } + if got := int64(binary.LittleEndian.Uint64(upper)); got != 1781813349941875 { + t.Fatalf("upper bound = %d, want %d", got, int64(1781813349941875)) + } +} + +func TestParquetStringBoundsUseByteOrdering(t *testing.T) { + if !shouldReplaceLowerBound([]byte("b"), []byte("a"), false) { + t.Fatal("expected string lower bound to use byte ordering") + } + if !shouldReplaceUpperBound([]byte("b"), []byte("c"), false) { + t.Fatal("expected string upper bound to use byte ordering") + } +} + +func TestMaxCommittedAtFromMetadataUsesUpperBound(t *testing.T) { + want := time.Date(2026, 6, 19, 12, 34, 56, 789000000, time.UTC) + got, err := maxCommittedAtFromMetadata(ParquetFileInfo{ + Path: "s3://bucket/path/file.parquet", + Stats: ParquetFileStats{ + UpperBounds: map[int][]byte{ + COMMITTED_AT_FIELD_ID: int64Bound(want.UnixMicro()), + }, + }, + }) + if err != nil { + t.Fatalf("maxCommittedAtFromMetadata returned error: %v", err) + } + if !got.Valid { + t.Fatal("maxCommittedAtFromMetadata returned invalid time") + } + if !got.Time.Equal(want) { + t.Fatalf("maxCommittedAtFromMetadata = %s, want %s", got.Time, want) + } +} + +func TestMaxCommittedAtFromMetadataMissingBound(t *testing.T) { + got, err := maxCommittedAtFromMetadata(ParquetFileInfo{}) + if err != nil { + t.Fatalf("maxCommittedAtFromMetadata returned error: %v", err) + } + if got.Valid { + t.Fatalf("maxCommittedAtFromMetadata valid = true, want false") + } +} + +func TestMaxCommittedAtFromMetadataInvalidBound(t *testing.T) { + _, err := maxCommittedAtFromMetadata(ParquetFileInfo{ + Path: "s3://bucket/path/file.parquet", + Stats: ParquetFileStats{ + UpperBounds: map[int][]byte{ + COMMITTED_AT_FIELD_ID: []byte{1, 2, 3}, + }, + }, + }) + if err == nil { + t.Fatal("maxCommittedAtFromMetadata returned nil error for invalid bound") + } +} + +func TestDropOldestParquetFileOutsideRetentionDropsExpiredOldestFile(t *testing.T) { + retentionDays := 1 + writer := &IcebergWriter{ + config: &Config{ + S3Bucket: "bucket", + RetentionDays: &retentionDays, + }, + } + oldFile := parquetFileWithMaxCommittedAt("s3://bucket/path/old.parquet", time.Now().UTC().AddDate(0, 0, -2)) + newFile := parquetFileWithMaxCommittedAt("s3://bucket/path/new.parquet", time.Now().UTC()) + + gotFiles, gotKeys, err := writer.dropOldestParquetFileOutsideRetention([]ParquetFileInfo{oldFile, newFile}) + if err != nil { + t.Fatalf("dropOldestParquetFileOutsideRetention returned error: %v", err) + } + if len(gotFiles) != 1 || gotFiles[0].Path != newFile.Path { + t.Fatalf("retained files = %+v, want only %s", gotFiles, newFile.Path) + } + if len(gotKeys) != 1 || gotKeys[0] != "path/old.parquet" { + t.Fatalf("delete keys = %+v, want [path/old.parquet]", gotKeys) + } +} + +func TestDropOldestParquetFileOutsideRetentionKeepsFileWithinRetention(t *testing.T) { + retentionDays := 1 + writer := &IcebergWriter{ + config: &Config{ + S3Bucket: "bucket", + RetentionDays: &retentionDays, + }, + } + parquetFiles := []ParquetFileInfo{ + parquetFileWithMaxCommittedAt("s3://bucket/path/file.parquet", time.Now().UTC()), + } + + gotFiles, gotKeys, err := writer.dropOldestParquetFileOutsideRetention(parquetFiles) + if err != nil { + t.Fatalf("dropOldestParquetFileOutsideRetention returned error: %v", err) + } + if len(gotFiles) != len(parquetFiles) || gotFiles[0].Path != parquetFiles[0].Path { + t.Fatalf("retained files = %+v, want original files", gotFiles) + } + if len(gotKeys) != 0 { + t.Fatalf("delete keys = %+v, want none", gotKeys) + } +} + +func TestDropOldestParquetFileOutsideRetentionKeepsFilesWithoutRetention(t *testing.T) { + writer := &IcebergWriter{ + config: &Config{ + S3Bucket: "bucket", + }, + } + parquetFiles := []ParquetFileInfo{ + parquetFileWithMaxCommittedAt("s3://bucket/path/file.parquet", time.Now().UTC().AddDate(0, 0, -2)), + } + + gotFiles, gotKeys, err := writer.dropOldestParquetFileOutsideRetention(parquetFiles) + if err != nil { + t.Fatalf("dropOldestParquetFileOutsideRetention returned error: %v", err) + } + if len(gotFiles) != len(parquetFiles) || gotFiles[0].Path != parquetFiles[0].Path { + t.Fatalf("retained files = %+v, want original files", gotFiles) + } + if len(gotKeys) != 0 { + t.Fatalf("delete keys = %+v, want none", gotKeys) + } +} + +func TestStageFilesForDeletionWaitsOneSuccessfulCycle(t *testing.T) { + writer := &IcebergWriter{} + + if ready := writer.stageFilesForDeletion([]string{"old.parquet", "old.parquet"}); len(ready) != 0 { + t.Fatalf("first cycle ready files = %v, want none", ready) + } + + ready := writer.stageFilesForDeletion([]string{"old.parquet", "old.avro", "old.avro"}) + if len(ready) != 1 || ready[0] != "old.parquet" { + t.Fatalf("second cycle ready files = %v, want [old.parquet]", ready) + } + if len(writer.filesPendingDelete) != 1 || writer.filesPendingDelete[0] != "old.avro" { + t.Fatalf("second cycle pending files = %v, want [old.avro]", writer.filesPendingDelete) + } + + ready = writer.stageFilesForDeletion(nil) + if len(ready) != 1 || ready[0] != "old.avro" { + t.Fatalf("third cycle ready files = %v, want [old.avro]", ready) + } +} + +func parquetFileWithMaxCommittedAt(filePath string, committedAt time.Time) ParquetFileInfo { + return ParquetFileInfo{ + Path: filePath, + Stats: ParquetFileStats{ + UpperBounds: map[int][]byte{ + COMMITTED_AT_FIELD_ID: int64Bound(committedAt.UnixMicro()), + }, + }, + } +} + +func int64Bound(value int64) []byte { + bound := make([]byte, 8) + binary.LittleEndian.PutUint64(bound, uint64(value)) + return bound +} diff --git a/processor/logger_utils.go b/processor/logger_utils.go new file mode 100644 index 0000000..83c92a5 --- /dev/null +++ b/processor/logger_utils.go @@ -0,0 +1,54 @@ +package main + +import ( + "log" +) + +type LogLevel string + +const ( + LOG_LEVEL_TRACE = "TRACE" + LOG_LEVEL_DEBUG = "DEBUG" + LOG_LEVEL_WARN = "WARN" + LOG_LEVEL_INFO = "INFO" + LOG_LEVEL_ERROR = "ERROR" +) + +var LOG_LEVELS = []string{ + LOG_LEVEL_TRACE, + LOG_LEVEL_DEBUG, + LOG_LEVEL_WARN, + LOG_LEVEL_INFO, + LOG_LEVEL_ERROR, +} + +func isValidLogLevel(level string) bool { + for _, validLevel := range LOG_LEVELS { + if level == validLevel { + return true + } + } + return false +} + +func LogError(config *Config, message ...interface{}) { + log.Println(append([]interface{}{"[ERROR]"}, message...)...) +} + +func LogWarn(config *Config, message ...interface{}) { + if config.LogLevel != LOG_LEVEL_ERROR { + log.Println(append([]interface{}{"[WARN]"}, message...)...) + } +} + +func LogInfo(config *Config, message ...interface{}) { + if config.LogLevel != LOG_LEVEL_ERROR && config.LogLevel != LOG_LEVEL_WARN { + log.Println(append([]interface{}{"[INFO]"}, message...)...) + } +} + +func LogDebug(config *Config, message ...interface{}) { + if config.LogLevel == LOG_LEVEL_DEBUG || config.LogLevel == LOG_LEVEL_TRACE { + log.Println(append([]interface{}{"[DEBUG]"}, message...)...) + } +} diff --git a/processor/main.go b/processor/main.go new file mode 100644 index 0000000..eba2945 --- /dev/null +++ b/processor/main.go @@ -0,0 +1,317 @@ +package main + +import ( + "context" + "fmt" + "log" + "os" + "os/signal" + "strconv" + "strings" + "syscall" +) + +func main() { + config := LoadConfig() + + LogInfo(config, "Starting processor...") + LogInfo(config, fmt.Sprintf("NATS: %s, Subject: %s", config.NatsURL, config.NatsSubject)) + LogInfo(config, fmt.Sprintf("S3: %s, Bucket: %s", config.S3Endpoint, config.S3Bucket)) + LogInfo(config, fmt.Sprintf("Batch interval: %v, Max hot Parquet size: %d MB", config.NatsBatchInterval, config.MaxHotParquetSizeMB)) + LogInfo(config, fmt.Sprintf("DuckDB memory limit: %s", config.DuckDBMemoryLimit)) + LogInfo(config, fmt.Sprintf("Retention days: %s", formatRetentionDays(config.RetentionDays))) + + ctx, cancel := context.WithCancel(context.Background()) + defer cancel() + + s3Client, err := NewS3Client(config) + if err != nil { + log.Fatalf("Failed to create S3 client: %v", err) + } + + if err := s3Client.EnsureBucket(ctx); err != nil { + LogWarn(config, "Failed to ensure bucket exists:", err) + } + + if err := prepareStorage(ctx, config, s3Client); err != nil { + log.Fatalf("Failed to prepare storage: %v", err) + } + + writer := NewIcebergWriter(config, s3Client) + searchWriter, err := NewSearchWriter(config) + if err != nil { + log.Fatalf("Failed to create Search writer: %v", err) + } + if err := reconcileSearchTables(ctx, config, searchWriter); err != nil { + log.Fatalf("Failed to reconcile Search tables: %v", err) + } + + natsConsumer, err := NewNatsConsumer(config) + if err != nil { + log.Fatalf("Failed to create NATS consumer: %v", err) + } + defer natsConsumer.Close() + + // Initialize message buffer and deduplication tracker + messageBuffer := NewMessageBuffer() + deduplicationTracker := NewDeduplicationTracker(DEDUPLICATION_MAX_SIZE) + + deduplicationInitialized := false + + sigChan := make(chan os.Signal, 1) + signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) + + go func() { + <-sigChan + LogInfo(config, "Shutting down...") + cancel() + }() + + LogInfo(config, "Starting to consume messages...") + + for { + select { + case <-ctx.Done(): + LogInfo(config, "Context cancelled, exiting...") + return + default: + batch, err := natsConsumer.ConsumeBatch(ctx, config.NatsBatchInterval) + if err != nil { + LogError(config, "Error consuming batch:", err) + continue + } + + if len(batch.Messages) == 0 { + LogDebug(config, "No messages received in batch window, continuing...") + continue + } + + LogInfo(config, fmt.Sprintf("Received %d messages", len(batch.Messages))) + + stitchResult, err := processBatch( + ctx, + config, + batch, + &messageBuffer, + writer, + deduplicationTracker, + &deduplicationInitialized, + s3Client, + searchWriter, + ) + if err != nil { + if isDuckDBOutOfMemory(err) { + log.Fatalf("DuckDB ran out of memory: %v", err) + } + LogError(config, "Error processing messages:", err) + // Don't ack on failure - messages will be redelivered + continue + } + + // Ack every resolved message. With AckExplicitPolicy, JetStream acks are + // per-message; acking a later stream sequence does not ack earlier ones. + ackedCount := 0 + for _, natsMsg := range stitchResult.AckMessages { + if natsMsg == nil { + continue + } + if err := natsMsg.Ack(); err != nil { + LogError(config, "Failed to ack message:", err) + continue + } + ackedCount++ + } + if ackedCount > 0 { + LogInfo(config, fmt.Sprintf("Acked %d messages through sequence #%d", ackedCount, stitchResult.AckStreamSequence)) + } + + } + } +} + +func processBatch( + ctx context.Context, + config *Config, + batch *MessageBatch, + messageBuffer **MessageBuffer, + writer *IcebergWriter, + deduplicationTracker *DeduplicationTracker, + deduplicationInitialized *bool, + s3Client *S3Client, + searchWriter *SearchWriter, +) (*StitchResult, error) { + var duckdb *DuckDBClient + defer func() { + closeBatchDuckDB(config, duckdb, writer, searchWriter) + }() + + ensureDuckDB := func() (*DuckDBClient, error) { + if duckdb != nil { + return duckdb, nil + } + client, err := NewDuckDBClient(config) + if err != nil { + return nil, fmt.Errorf("failed to create DuckDB client: %w", err) + } + duckdb = client + return duckdb, nil + } + + if !*deduplicationInitialized { + LogInfo(config, "Loading existing records for deduplication...") + if err := deduplicationTracker.LoadFromParquet(ctx, ensureDuckDB, config, writer.dataS3Path, s3Client); err != nil { + return nil, fmt.Errorf("failed to initialize deduplication: %w", err) + } + *deduplicationInitialized = true + } + + stitchResult := StitchMessages(config, batch, *messageBuffer) + *messageBuffer = stitchResult.Buffer + + auditRecords := recordsForProduct(stitchResult.StitchedRecords, PRODUCT_AUDIT) + uniqueRecords := deduplicationTracker.FilterDuplicates(config, auditRecords) + searchRecords := recordsForProduct(stitchResult.StitchedRecords, PRODUCT_SEARCH) + + LogInfo(config, fmt.Sprintf( + "Processing: stitched=%d, audit=%d, search=%d, buffered=%d", + len(stitchResult.StitchedRecords), + len(uniqueRecords), + len(searchRecords), + (*messageBuffer).Size(), + )) + + if err := processAuditRecords(ctx, writer, deduplicationTracker, uniqueRecords, ensureDuckDB); err != nil { + return nil, err + } + if err := processSearchRecords(ctx, searchWriter, searchRecords, ensureDuckDB); err != nil { + return nil, err + } + + return stitchResult, nil +} + +func reconcileSearchTables(ctx context.Context, config *Config, writer *SearchWriter) error { + if !writer.Enabled() { + return nil + } + + duckdb, err := NewDuckDBClient(config) + if err != nil { + return fmt.Errorf("failed to create DuckDB client: %w", err) + } + writer.SetDuckDB(duckdb) + defer func() { + writer.SetDuckDB(nil) + if err := duckdb.Close(); err != nil { + LogWarn(config, "Failed to close Search reconciliation DuckDB:", err) + } + }() + + return writer.ReconcileTables(ctx) +} + +func recordsForProduct(records []*FetchedRecord, product string) []*FetchedRecord { + filtered := make([]*FetchedRecord, 0, len(records)) + for _, record := range records { + if record.Message.IsForProduct(product) { + filtered = append(filtered, record) + } + } + return filtered +} + +func processAuditRecords( + ctx context.Context, + writer *IcebergWriter, + tracker *DeduplicationTracker, + records []*FetchedRecord, + ensureDuckDB func() (*DuckDBClient, error), +) error { + if len(records) == 0 { + return nil + } + + duckdb, err := ensureDuckDB() + if err != nil { + return err + } + writer.SetDuckDB(duckdb) + if err := writer.AppendMessages(ctx, records); err != nil { + return err + } + tracker.MarkRecordsProcessed(writer.config, records) + return nil +} + +func processSearchRecords( + ctx context.Context, + writer *SearchWriter, + records []*FetchedRecord, + ensureDuckDB func() (*DuckDBClient, error), +) error { + if len(records) == 0 { + return nil + } + + duckdb, err := ensureDuckDB() + if err != nil { + return err + } + writer.SetDuckDB(duckdb) + return writer.Apply(ctx, records) +} + +func closeBatchDuckDB(config *Config, duckdb *DuckDBClient, icebergWriter *IcebergWriter, searchWriter *SearchWriter) { + icebergWriter.SetDuckDB(nil) + searchWriter.SetDuckDB(nil) + if duckdb == nil { + return + } + if err := duckdb.Close(); err != nil { + LogWarn(config, "Failed to close DuckDB client:", err) + } + memoryUsage := getPodMemoryUsage() + if memoryUsage == "" { + memoryUsage = "unavailable" + } + LogDebug(config, fmt.Sprintf("Closed batch DuckDB. Pod memory: %s", memoryUsage)) +} + +func formatRetentionDays(retentionDays *int) string { + if retentionDays == nil { + return "unlimited" + } + + return strconv.Itoa(*retentionDays) +} + +func getPodMemoryUsage() string { + data, err := os.ReadFile("/sys/fs/cgroup/memory.current") + if err != nil { + return "" + } + + bytes, err := strconv.ParseInt(strings.TrimSpace(string(data)), 10, 64) + if err != nil { + return "" + } + + return formatBytes(bytes) +} + +func formatBytes(bytes int64) string { + const unit = 1024 + if bytes < unit { + return fmt.Sprintf("%d B", bytes) + } + + value := float64(bytes) + for _, suffix := range []string{"KB", "MB", "GB", "TB"} { + value /= unit + if value < unit { + return fmt.Sprintf("%.2f %s", value, suffix) + } + } + + return fmt.Sprintf("%.2f PB", value/unit) +} diff --git a/processor/nats_consumer.go b/processor/nats_consumer.go new file mode 100644 index 0000000..695044c --- /dev/null +++ b/processor/nats_consumer.go @@ -0,0 +1,180 @@ +package main + +import ( + "bytes" + "context" + "encoding/json" + "fmt" + "time" + + "github.com/nats-io/nats.go" + "github.com/nats-io/nats.go/jetstream" +) + +const ( + MAX_NATS_BATCH_MESSAGES = 5000 + PRODUCT_AUDIT = "audit" + PRODUCT_SEARCH = "search" +) + +type ChangeMessage struct { + Before map[string]interface{} `json:"before,omitempty"` + After map[string]interface{} `json:"after,omitempty"` + Source SourceMetadata `json:"source"` + Op string `json:"op"` + TsUs int64 `json:"ts_us"` + Message *MessagePayload `json:"message,omitempty"` + Context map[string]interface{} `json:"-"` // Populated during stitching + Products []string `json:"products,omitempty"` +} + +func (message *ChangeMessage) IsForProduct(product string) bool { + // Fallback to audit product, legacy messages may not have products configured + if len(message.Products) == 0 { + return product == PRODUCT_AUDIT + } + for _, configured := range message.Products { + if configured == product { + return true + } + } + return false +} + +type MessagePayload struct { + Prefix string `json:"prefix"` + Content string `json:"content"` +} + +type SourceMetadata struct { + TsUs int64 `json:"ts_us"` + Db string `json:"db"` + Schema string `json:"schema"` + Table string `json:"table"` + TxId uint32 `json:"txId"` + Lsn uint64 `json:"lsn"` + Pk []string `json:"pk,omitempty"` +} + +type NatsConsumer struct { + nc *nats.Conn + js jetstream.JetStream + consumer jetstream.Consumer + config *Config +} + +type MessageBatch struct { + Messages []*ChangeMessage + NatsMsg []jetstream.Msg +} + +func NewNatsConsumer(config *Config) (*NatsConsumer, error) { + nc, err := nats.Connect(config.NatsURL) + if err != nil { + return nil, fmt.Errorf("failed to connect to NATS: %w", err) + } + + js, err := jetstream.New(nc) + if err != nil { + nc.Close() + return nil, fmt.Errorf("failed to create JetStream context: %w", err) + } + + // Use project-specific consumer name so multiple processor instances + // for different projects don't conflict + consumerName := config.ConsumerName + + consumer, err := js.CreateOrUpdateConsumer(context.Background(), config.NatsStreamName, jetstream.ConsumerConfig{ + // Durable consumer name - persists across restarts + // Format: [projectId]-processor (e.g., "proj_abc123-processor") + Durable: consumerName, + + // Only consume messages matching this subject pattern + FilterSubject: config.NatsSubject, + + // MaxAckPending: -1 means unlimited unacknowledged messages + // Default is 1000, but we batch process so we want flexibility + // The consumer won't stop delivering if we have many in-flight + MaxAckPending: -1, + + // AckExplicitPolicy: Messages must be explicitly acknowledged + // We ack after successfully writing to Parquet/Iceberg + // This ensures at-least-once delivery semantics + AckPolicy: jetstream.AckExplicitPolicy, + + // DeliverAllPolicy: Start from the beginning of the stream + // On first connection, deliver all messages (not just new ones) + // Good for initial sync or recovery scenarios + DeliverPolicy: jetstream.DeliverAllPolicy, + + // AckWait needs to be longer than the fetch window plus write time. + // Otherwise messages fetched early in the batch can redeliver before + // the processor reaches its post-write ack path. + AckWait: config.NatsBatchInterval * 2, + + // MaxDeliver: -1 means infinite redelivery attempts + // If we fail to process a message, NATS will keep trying forever + // Better than dropping messages; we can add DLQ later if needed + MaxDeliver: -1, + }) + if err != nil { + nc.Close() + return nil, fmt.Errorf("failed to create consumer: %w", err) + } + + LogInfo(config, fmt.Sprintf( + "Connected to NATS stream: %s, subject: %s, consumer: %s", + config.NatsStreamName, + config.NatsSubject, + consumerName, + )) + + return &NatsConsumer{ + nc: nc, + js: js, + consumer: consumer, + config: config, + }, nil +} + +func (nc *NatsConsumer) ConsumeBatch(ctx context.Context, timeout time.Duration) (*MessageBatch, error) { + messages := []*ChangeMessage{} + natsMessages := []jetstream.Msg{} + + msgs, err := nc.consumer.Fetch(MAX_NATS_BATCH_MESSAGES, jetstream.FetchMaxWait(timeout)) + if err != nil { + return &MessageBatch{ + Messages: messages, + NatsMsg: natsMessages, + }, nil + } + + for msg := range msgs.Messages() { + var change ChangeMessage + decoder := json.NewDecoder(bytes.NewReader(msg.Data())) + decoder.UseNumber() + if err := decoder.Decode(&change); err != nil { + LogError(nc.config, "Failed to unmarshal message:", err) + msg.Ack() // Ack bad messages immediately to avoid reprocessing + continue + } + + messages = append(messages, &change) + natsMessages = append(natsMessages, msg) // Store for later ack + } + + if msgs.Error() != nil { + LogError(nc.config, "Error fetching messages:", msgs.Error()) + } + + return &MessageBatch{ + Messages: messages, + NatsMsg: natsMessages, + }, nil +} + +func (nc *NatsConsumer) Close() { + if nc.nc != nil { + nc.nc.Close() + } +} diff --git a/processor/operation.go b/processor/operation.go new file mode 100644 index 0000000..53f930d --- /dev/null +++ b/processor/operation.go @@ -0,0 +1,9 @@ +package main + +const ( + OPERATION_CREATE = "c" + OPERATION_UPDATE = "u" + OPERATION_DELETE = "d" + OPERATION_TRUNCATE = "t" + OPERATION_MESSAGE = "m" +) diff --git a/processor/runtime_integration.go b/processor/runtime_integration.go new file mode 100644 index 0000000..e68c865 --- /dev/null +++ b/processor/runtime_integration.go @@ -0,0 +1,13 @@ +package main + +import "context" + +type IntegrationConfig struct{} + +func loadIntegrationConfig(_ *Config) {} + +func consumerName() string { + return getEnv("NATS_CONSUMER_NAME", "pgstack-processor") +} + +func prepareStorage(_ context.Context, _ *Config, _ *S3Client) error { return nil } diff --git a/processor/s3_client.go b/processor/s3_client.go new file mode 100644 index 0000000..8e6feb1 --- /dev/null +++ b/processor/s3_client.go @@ -0,0 +1,148 @@ +package main + +import ( + "bytes" + "context" + "fmt" + "io" + "net/url" + "sort" + "strings" + "time" + + "github.com/aws/aws-sdk-go/aws" + "github.com/aws/aws-sdk-go/aws/credentials" + "github.com/aws/aws-sdk-go/aws/session" + "github.com/aws/aws-sdk-go/service/s3" +) + +type S3Client struct { + client *s3.S3 + bucket string +} + +func NewS3Client(config *Config) (*S3Client, error) { + sess, err := session.NewSession(&aws.Config{ + Region: aws.String(config.S3Region), + Endpoint: aws.String(config.S3Endpoint), + Credentials: credentials.NewStaticCredentials(config.S3AccessKey, config.S3SecretKey, ""), + S3ForcePathStyle: aws.Bool(true), + }) + if err != nil { + return nil, fmt.Errorf("failed to create AWS session: %w", err) + } + + client := s3.New(sess) + + return &S3Client{ + client: client, + bucket: config.S3Bucket, + }, nil +} + +func (s3c *S3Client) Upload(ctx context.Context, key string, data []byte) error { + // Use a timeout-based context instead of the parent context + // This ensures uploads complete even if parent context is cancelled + uploadCtx, cancel := context.WithTimeout(context.Background(), 60*time.Second) + defer cancel() + + _, err := s3c.client.PutObjectWithContext(uploadCtx, &s3.PutObjectInput{ + Bucket: aws.String(s3c.bucket), + Key: aws.String(key), + Body: bytes.NewReader(data), + }) + return err +} + +func (s3c *S3Client) CopyFrom(ctx context.Context, sourceBucket string, sourceKey string, targetKey string) error { + copyCtx, cancel := context.WithTimeout(context.Background(), 60*time.Second) + defer cancel() + + copySource := url.PathEscape(sourceBucket + "/" + sourceKey) + copySource = strings.ReplaceAll(copySource, "%2F", "/") + + _, err := s3c.client.CopyObjectWithContext(copyCtx, &s3.CopyObjectInput{ + Bucket: aws.String(s3c.bucket), + Key: aws.String(targetKey), + CopySource: aws.String(copySource), + }) + return err +} + +func (s3c *S3Client) GetFileSize(ctx context.Context, key string) (int64, error) { + headCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second) + defer cancel() + + result, err := s3c.client.HeadObjectWithContext(headCtx, &s3.HeadObjectInput{ + Bucket: aws.String(s3c.bucket), + Key: aws.String(key), + }) + if err != nil { + return 0, err + } + + return *result.ContentLength, nil +} + +func (s3c *S3Client) Download(ctx context.Context, key string) ([]byte, error) { + result, err := s3c.client.GetObjectWithContext(ctx, &s3.GetObjectInput{ + Bucket: aws.String(s3c.bucket), + Key: aws.String(key), + }) + if err != nil { + return nil, err + } + defer result.Body.Close() + + return io.ReadAll(result.Body) +} + +func (s3c *S3Client) ListFiles(ctx context.Context, prefix string) ([]string, error) { + // Use a timeout-based context instead of the parent context + listCtx, cancel := context.WithTimeout(context.Background(), 30*time.Second) + defer cancel() + + result, err := s3c.client.ListObjectsV2WithContext(listCtx, &s3.ListObjectsV2Input{ + Bucket: aws.String(s3c.bucket), + Prefix: aws.String(prefix), + }) + if err != nil { + return nil, err + } + + var files []string + for _, obj := range result.Contents { + filename := strings.TrimPrefix(*obj.Key, prefix+"/") + if filename != "" && !strings.Contains(filename, "/") { + files = append(files, filename) + } + } + + sort.Strings(files) + return files, nil +} + +func (s3c *S3Client) EnsureBucket(ctx context.Context) error { + _, err := s3c.client.HeadBucketWithContext(ctx, &s3.HeadBucketInput{ + Bucket: aws.String(s3c.bucket), + }) + if err == nil { + return nil + } + + _, err = s3c.client.CreateBucketWithContext(ctx, &s3.CreateBucketInput{ + Bucket: aws.String(s3c.bucket), + }) + return err +} + +func (s3c *S3Client) Delete(ctx context.Context, key string) error { + deleteCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second) + defer cancel() + + _, err := s3c.client.DeleteObjectWithContext(deleteCtx, &s3.DeleteObjectInput{ + Bucket: aws.String(s3c.bucket), + Key: aws.String(key), + }) + return err +} diff --git a/processor/search_writer.go b/processor/search_writer.go new file mode 100644 index 0000000..80f3539 --- /dev/null +++ b/processor/search_writer.go @@ -0,0 +1,964 @@ +package main + +import ( + "context" + "crypto/sha256" + "database/sql" + "encoding/hex" + "encoding/json" + "errors" + "fmt" + "math" + "sort" + "strings" + "time" + "unicode/utf8" +) + +const ( + SEARCH_INPUT_FORMAT_VERSION = 2 + SEARCH_CHUNK_OVERLAP_BYTES = 400 + VECTOR_INDEX_ROW_THRESHOLD = 100_000 + SEARCH_VERSION_RETENTION = time.Hour + SEARCH_MAINTENANCE_INTERVAL = time.Hour + + PGSTACK_TEXT_COLUMN = "__pgstack_text" + PGSTACK_TEXT_INDEX = "__pgstack_text_idx" + PGSTACK_CHUNK_INDEX_COLUMN = "__pgstack_chunk_index" + PGSTACK_SOURCE_KEY_COLUMN = "__pgstack_source_key" + PGSTACK_UPDATED_AT_COLUMN = "__pgstack_updated_at" + PGSTACK_POSITION_COLUMN = "__pgstack_position" +) + +type searchEmbeddingConfig struct { + ID string + Name string + Columns []string +} + +type SearchTableConfig struct { + Name string `json:"name"` + IndexColumns []string `json:"indexColumns"` + StoreColumns []string `json:"storeColumns"` + KeywordOnly bool `json:"keywordOnly,omitempty"` +} + +// Keyword-only tables need no vector columns or embedding requests. +func (table SearchTableConfig) embeddings() []searchEmbeddingConfig { + if table.KeywordOnly { + return nil + } + return []searchEmbeddingConfig{{ID: "embedding_hash", Name: "__pgstack_embedding", Columns: table.IndexColumns}} +} + +type searchRow struct { + table SearchTableConfig + message *ChangeMessage + values map[string]interface{} + chunkIndex int + text interface{} + existing bool + hashes map[string]string + changedEmbeddings []searchEmbeddingConfig + vectors map[string][]float32 +} + +type searchColumn struct { + name string + dataType string +} + +type embeddingTask struct { + // row and embedding identify where the vector returned for this flattened + // API input must be stored after the batched embedding request completes. + row *searchRow + embedding searchEmbeddingConfig + input string +} + +type searchCleanup struct { + table SearchTableConfig + message *ChangeMessage + values map[string]interface{} + chunkCount int +} + +type searchApplyPlan struct { + rows []*searchRow + tasks []embeddingTask + cleanups []searchCleanup + sourceRows int +} + +type existingSearchRows struct { + hashes map[int]map[string]string + position uint64 +} + +type SearchWriter struct { + config *Config + duckdb *DuckDBClient + tables map[string]SearchTableConfig + embeddings *EmbeddingClient + cleaned bool + lastMaintainedAtByTableName map[string]time.Time +} + +func NewSearchWriter(config *Config) (*SearchWriter, error) { + var tables []SearchTableConfig + if err := json.Unmarshal([]byte(config.SearchTablesJSON), &tables); err != nil { + return nil, fmt.Errorf("failed to parse SEARCH_TABLES_JSON: %w", err) + } + byName := make(map[string]SearchTableConfig, len(tables)) + physicalNames := make(map[string]string, len(tables)) + for _, table := range tables { + if _, exists := byName[table.Name]; exists { + return nil, fmt.Errorf("duplicate Search table: %s", table.Name) + } + physicalName := searchPhysicalTableName(table.Name) + if previous, exists := physicalNames[physicalName]; exists { + return nil, fmt.Errorf("search table name collision: %s and %s", previous, table.Name) + } + if err := validateSearchTableConfig(table); err != nil { + return nil, err + } + byName[table.Name] = table + physicalNames[physicalName] = table.Name + } + writer := &SearchWriter{config: config, tables: byName, lastMaintainedAtByTableName: make(map[string]time.Time)} + needsEmbeddings := false + for _, table := range tables { + needsEmbeddings = needsEmbeddings || !table.KeywordOnly + } + if needsEmbeddings { + client, err := NewEmbeddingClient(config) + if err != nil { + return nil, err + } + writer.embeddings = client + } + return writer, nil +} + +func validateSearchTableConfig(table SearchTableConfig) error { + columnNames := make(map[string]bool, len(table.StoreColumns)+len(table.embeddings())) + for _, column := range table.StoreColumns { + if column == "" || columnNames[column] || strings.HasPrefix(column, "__pgstack_") { + return fmt.Errorf("invalid or duplicate Search column: %s.%s", table.Name, column) + } + columnNames[column] = true + } + if len(table.IndexColumns) == 0 { + return fmt.Errorf("search table %s must have at least one index column", table.Name) + } + indexColumns := make(map[string]bool) + for _, column := range table.IndexColumns { + if column == "" || indexColumns[column] || strings.HasPrefix(column, "__pgstack_") { + return fmt.Errorf("invalid or duplicate Search index column: %s.%s", table.Name, column) + } + indexColumns[column] = true + } + + return nil +} + +func (writer *SearchWriter) Enabled() bool { + return len(writer.tables) > 0 +} + +func (writer *SearchWriter) SetDuckDB(duckdb *DuckDBClient) { + writer.duckdb = duckdb +} + +func (writer *SearchWriter) ReconcileTables(ctx context.Context) error { + if !writer.Enabled() { + return nil + } + if writer.duckdb == nil { + return errors.New("duckdb client is not set") + } + if err := writer.dropRemovedTables(ctx); err != nil { + return err + } + for _, table := range writer.tables { + if err := writer.ensureTable(ctx, table, table.StoreColumns); err != nil { + return err + } + if err := writer.maintainTableIndexes(ctx, table, false); err != nil { + return err + } + } + writer.cleaned = true + return nil +} + +func (writer *SearchWriter) Apply(ctx context.Context, records []*FetchedRecord) error { + if len(records) == 0 || !writer.Enabled() { + return nil + } + if writer.duckdb == nil { + return errors.New("duckdb client is not set") + } + if !writer.cleaned { + if err := writer.dropRemovedTables(ctx); err != nil { + return err + } + writer.cleaned = true + } + + plan, err := writer.buildApplyPlan(ctx, writer.latestRecords(records)) + if err != nil { + return err + } + if err := writer.populateEmbeddings(ctx, plan.tasks); err != nil { + return err + } + if err := writer.persistApplyPlan(ctx, plan); err != nil { + return err + } + if err := writer.maintainTables(ctx, plan); err != nil { + return err + } + + LogInfo(writer.config, fmt.Sprintf("Applied %d Search source rows as %d chunks with %d embedding inputs", plan.sourceRows, len(plan.rows), len(plan.tasks))) + return nil +} + +func (writer *SearchWriter) buildApplyPlan(ctx context.Context, records []*FetchedRecord) (*searchApplyPlan, error) { + plan := &searchApplyPlan{ + rows: make([]*searchRow, 0, len(records)), + cleanups: make([]searchCleanup, 0, len(records)), + } + for _, record := range records { + table, ok := writer.tables[record.Message.Source.Schema+"."+record.Message.Source.Table] + if !ok { + continue + } + if err := writer.ensureTable(ctx, table, record.Message.Source.Pk); err != nil { + return nil, err + } + if record.Message.Op != OPERATION_TRUNCATE && len(record.Message.Source.Pk) == 0 { + return nil, fmt.Errorf("search table %s has no primary key metadata", table.Name) + } + if record.Message.Op == OPERATION_DELETE || record.Message.Op == OPERATION_TRUNCATE { + plan.rows = append(plan.rows, &searchRow{table: table, message: record.Message, values: record.Message.Before}) + plan.sourceRows++ + continue + } + + existingRows, err := writer.existingHashes(ctx, table, record.Message, record.Message.After) + if err != nil { + return nil, err + } + if existingRows.position > record.Message.Source.Lsn { + continue + } + + chunksByEmbedding := make(map[string][]string, len(table.embeddings())) + chunkCount := 1 + for _, embedding := range table.embeddings() { + chunks := chunkEmbeddingInput(searchEmbeddingInput(embedding, record.Message.After)) + chunksByEmbedding[embedding.ID] = chunks + chunkCount = max(chunkCount, len(chunks)) + } + + for chunkIndex := 0; chunkIndex < chunkCount; chunkIndex++ { + row := &searchRow{ + table: table, + message: record.Message, + values: record.Message.After, + chunkIndex: chunkIndex, + hashes: make(map[string]string), + vectors: make(map[string][]float32), + } + existingHashes, existing := existingRows.hashes[chunkIndex] + row.existing = existing + if chunkIndex == 0 { + // Keep full source text once, without embedding field labels or overlap. + // This preserves keyword frequencies and phrases across vector chunks. + row.text = searchKeywordInput(table, record.Message.After) + } + for _, embedding := range table.embeddings() { + chunks := chunksByEmbedding[embedding.ID] + if chunkIndex >= len(chunks) { + if existingHashes[embedding.ID] != "" { + row.changedEmbeddings = append(row.changedEmbeddings, embedding) + } + continue + } + input := chunks[chunkIndex] + hash := writer.embeddingHash(embedding, input) + row.hashes[embedding.ID] = hash + if !existing || existingHashes[embedding.ID] != hash { + row.changedEmbeddings = append(row.changedEmbeddings, embedding) + plan.tasks = append(plan.tasks, embeddingTask{row: row, embedding: embedding, input: input}) + } + } + plan.rows = append(plan.rows, row) + } + plan.cleanups = append(plan.cleanups, searchCleanup{table: table, message: record.Message, values: record.Message.After, chunkCount: chunkCount}) + plan.sourceRows++ + } + return plan, nil +} + +func (writer *SearchWriter) populateEmbeddings(ctx context.Context, tasks []embeddingTask) error { + inputs := make([]string, len(tasks)) + for i := range tasks { + inputs[i] = tasks[i].input + } + if len(inputs) > 0 { + vectors, err := writer.embeddings.Embed(ctx, inputs) + if err != nil { + return err + } + for i, vector := range vectors { + tasks[i].row.vectors[tasks[i].embedding.ID] = vector + } + } + return nil +} + +func (writer *SearchWriter) persistApplyPlan(ctx context.Context, plan *searchApplyPlan) error { + for _, row := range plan.rows { + if err := writer.applyRow(ctx, row); err != nil { + return err + } + } + for _, cleanup := range plan.cleanups { + if err := writer.deleteStaleChunks(ctx, cleanup.table, cleanup.message, cleanup.values, cleanup.chunkCount); err != nil { + return err + } + } + return nil +} + +// maintainTables runs once after a CDC batch has been persisted. It compacts +// table fragments and creates missing indices after the row threshold. Once an +// hour, it also indexes accumulated rows in merge mode and vacuums old versions. +func (writer *SearchWriter) maintainTables(ctx context.Context, plan *searchApplyPlan) error { + tables := make(map[string]SearchTableConfig) + for _, row := range plan.rows { + tables[row.table.Name] = row.table + } + for _, cleanup := range plan.cleanups { + tables[cleanup.table.Name] = cleanup.table + } + for _, table := range tables { + maintenanceDue := searchMaintenanceDue(writer.lastMaintainedAtByTableName[table.Name], time.Now()) + if err := writer.compactTable(ctx, table); err != nil { + return err + } + if err := writer.maintainTableIndexes(ctx, table, maintenanceDue); err != nil { + return err + } + if maintenanceDue { + if err := writer.vacuumTable(ctx, table); err != nil { + // Vacuum only reclaims old versions. A cleanup failure must not + // reject an otherwise persisted CDC batch and cause redelivery. + LogWarn(writer.config, err) + } + if writer.lastMaintainedAtByTableName == nil { + writer.lastMaintainedAtByTableName = make(map[string]time.Time) + } + writer.lastMaintainedAtByTableName[table.Name] = time.Now() + } + } + return nil +} + +func (writer *SearchWriter) maintainTableIndexes(ctx context.Context, table SearchTableConfig, merge bool) error { + datasetPath := writer.searchDatasetPath(table) + indices, err := writer.vectorIndexes(ctx, datasetPath) + if err != nil { + return fmt.Errorf("failed to inspect Search indices for %s: %w", table.Name, err) + } + + if indices[PGSTACK_TEXT_INDEX] { + if merge { + query := searchOptimizeIndexQuery(PGSTACK_TEXT_INDEX, datasetPath) + if err := writer.executeLanceMaintenance(ctx, query); err != nil { + return fmt.Errorf("failed to optimize Search text index on %s: %w", table.Name, err) + } + } + } else { + query := searchTextIndexQuery(datasetPath) + if _, err := writer.duckdb.ExecContext(ctx, query); err != nil { + return fmt.Errorf("failed to create Search text index on %s: %w", table.Name, err) + } + } + + missingIndex := false + for _, embedding := range table.embeddings() { + if !indices[vectorIndexName(embedding.ID)] { + missingIndex = true + break + } + } + var rowCount int64 + if missingIndex { + qualified := "search_store.main." + quoteIdentifier(searchPhysicalTableName(table.Name)) + if err := writer.duckdb.QueryRowContext(ctx, "SELECT count(*) FROM "+qualified).Scan(&rowCount); err != nil { + return fmt.Errorf("failed to count Search rows for %s: %w", table.Name, err) + } + } + + for _, embedding := range table.embeddings() { + indexName := vectorIndexName(embedding.ID) + if indices[indexName] { + if merge { + query := searchOptimizeIndexQuery(indexName, datasetPath) + if err := writer.executeLanceMaintenance(ctx, query); err != nil { + return fmt.Errorf("failed to optimize Search index %s on %s: %w", indexName, table.Name, err) + } + } + continue + } + if rowCount < VECTOR_INDEX_ROW_THRESHOLD { + continue + } + + partitions := max(1, int(math.Sqrt(float64(rowCount)))) + query := searchVectorIndexQuery(datasetPath, embedding, partitions) + if _, err := writer.duckdb.ExecContext(ctx, query); err != nil { + return fmt.Errorf("failed to create Search index %s on %s: %w", indexName, table.Name, err) + } + LogInfo(writer.config, fmt.Sprintf("Created L2 vector index %s on %s.%s with %d partitions for %d rows", indexName, table.Name, embedding.Name, partitions, rowCount)) + } + return nil +} + +func (writer *SearchWriter) vectorIndexes(ctx context.Context, datasetPath string) (map[string]bool, error) { + rows, err := writer.duckdb.QueryContext(ctx, "SHOW INDEXES ON '"+escapeSQLString(datasetPath)+"'") + if err != nil { + return nil, err + } + defer rows.Close() + + indices := make(map[string]bool) + for rows.Next() { + var indexName, indexType, fields string + var rowsIndexed uint64 + var details sql.NullString + if err := rows.Scan(&indexName, &indexType, &fields, &rowsIndexed, &details); err != nil { + return nil, err + } + indices[indexName] = true + } + return indices, rows.Err() +} + +func (writer *SearchWriter) compactTable(ctx context.Context, table SearchTableConfig) error { + query := "OPTIMIZE '" + escapeSQLString(writer.searchDatasetPath(table)) + "'" + if err := writer.executeLanceMaintenance(ctx, query); err != nil { + return fmt.Errorf("failed to compact Search table %s: %w", table.Name, err) + } + return nil +} + +func (writer *SearchWriter) vacuumTable(ctx context.Context, table SearchTableConfig) error { + query := fmt.Sprintf( + "VACUUM LANCE '%s' WITH (older_than_seconds = %d, retain_n_versions = 1)", + escapeSQLString(writer.searchDatasetPath(table)), + SEARCH_VERSION_RETENTION/time.Second, + ) + if err := writer.executeLanceMaintenance(ctx, query); err != nil { + return fmt.Errorf("failed to clean up Search versions for %s: %w", table.Name, err) + } + return nil +} + +func (writer *SearchWriter) executeLanceMaintenance(ctx context.Context, query string) error { + var operation, target, metrics string + return writer.duckdb.QueryRowContext(ctx, query).Scan(&operation, &target, &metrics) +} + +func searchMaintenanceDue(lastMaintainedAt time.Time, now time.Time) bool { + return lastMaintainedAt.IsZero() || now.Sub(lastMaintainedAt) >= SEARCH_MAINTENANCE_INTERVAL +} + +func (writer *SearchWriter) searchDatasetPath(table SearchTableConfig) string { + return fmt.Sprintf("s3://%s/%s/%s.lance", writer.config.S3Bucket, strings.Trim(writer.config.SearchBasePath, "/"), searchPhysicalTableName(table.Name)) +} + +// Lance index DDL uses its own parser: quoted index names are rejected, and +// quotes around column names become part of the field name. These identifiers +// are generated internally, so emit them bare while still escaping dataset URIs. +func searchTextIndexQuery(datasetPath string) string { + return fmt.Sprintf("CREATE INDEX %s ON '%s' (%s) USING INVERTED", PGSTACK_TEXT_INDEX, escapeSQLString(datasetPath), PGSTACK_TEXT_COLUMN) +} + +func searchVectorIndexQuery(datasetPath string, embedding searchEmbeddingConfig, partitions int) string { + return fmt.Sprintf("CREATE INDEX %s ON '%s' (%s) USING IVF_FLAT WITH (num_partitions = %d, metric_type = 'l2')", + vectorIndexName(embedding.ID), escapeSQLString(datasetPath), embedding.Name, partitions) +} + +func searchOptimizeIndexQuery(indexName, datasetPath string) string { + return "ALTER INDEX " + indexName + " ON '" + escapeSQLString(datasetPath) + "' OPTIMIZE WITH (mode = 'merge')" +} + +func vectorIndexName(embeddingID string) string { + return "__pgstack_vector_" + embeddingID + "_idx" +} + +// latestRecords collapses a batch to its newest Search mutation per configured +// source table and primary key. The result contains source records, not chunks, +// and is sorted by source position so Apply handles them deterministically. +// +// Example input: id=1 UPDATE@10, id=2 DELETE@12, id=1 UPDATE@14 +// Example output: id=2 DELETE@12, id=1 UPDATE@14 +func (writer *SearchWriter) latestRecords(records []*FetchedRecord) []*FetchedRecord { + latest := make(map[string]*FetchedRecord) + for _, record := range records { + message := record.Message + if !message.IsForProduct(PRODUCT_SEARCH) { + continue + } + table, ok := writer.tables[message.Source.Schema+"."+message.Source.Table] + if !ok { + continue + } + keyValues := make([]string, 0, len(message.Source.Pk)) + values := message.After + if message.Op == OPERATION_DELETE { + values = message.Before + } + for _, column := range message.Source.Pk { + keyValues = append(keyValues, fmt.Sprint(values[column])) + } + key := table.Name + "\x00" + strings.Join(keyValues, "\x00") + if previous := latest[key]; previous == nil || previous.Message.Source.Lsn <= message.Source.Lsn { + latest[key] = record + } + } + result := make([]*FetchedRecord, 0, len(latest)) + for _, record := range latest { + result = append(result, record) + } + sort.Slice(result, func(i, j int) bool { return result[i].Message.Source.Lsn < result[j].Message.Source.Lsn }) + return result +} + +func (writer *SearchWriter) ensureTable(ctx context.Context, table SearchTableConfig, primaryKeys []string) error { + name := searchPhysicalTableName(table.Name) + qualified := "search_store.main." + quoteIdentifier(name) + rows, err := writer.duckdb.QueryContext(ctx, "DESCRIBE "+qualified) + if err == nil { + var columns []searchColumn + for rows.Next() { + var columnName, columnType string + var nullable, key, defaultValue, extra sql.NullString + if err := rows.Scan(&columnName, &columnType, &nullable, &key, &defaultValue, &extra); err != nil { + rows.Close() + return err + } + columns = append(columns, searchColumn{name: columnName, dataType: columnType}) + } + if err := rows.Err(); err != nil { + rows.Close() + return err + } + rows.Close() + return writer.ensureColumns(ctx, qualified, table, primaryKeys, columns) + } + if len(primaryKeys) == 0 { + return fmt.Errorf("search table %s must have a primary key", table.Name) + } + + columns := writer.desiredColumns(table) + definitions := make([]string, len(columns)) + for i, column := range columns { + definitions[i] = quoteIdentifier(column.name) + " " + column.dataType + } + _, err = writer.duckdb.ExecContext(ctx, "CREATE TABLE "+qualified+" ("+strings.Join(definitions, ", ")+")") + if err != nil { + return fmt.Errorf("failed to create Search table %s: %w", table.Name, err) + } + return nil +} + +func (writer *SearchWriter) ensureColumns(ctx context.Context, qualified string, table SearchTableConfig, primaryKeys []string, existing []searchColumn) error { + desired := writer.desiredColumns(table) + if searchColumnsEqual(existing, desired) { + return nil + } + + if _, err := writer.duckdb.ExecContext(ctx, "DROP TABLE "+qualified); err != nil { + return err + } + return writer.ensureTable(ctx, table, primaryKeys) +} + +func searchColumnsEqual(left []searchColumn, right []searchColumn) bool { + if len(left) != len(right) { + return false + } + for i := range left { + if left[i].name != right[i].name || normalizeSearchType(left[i].dataType) != normalizeSearchType(right[i].dataType) { + return false + } + } + return true +} + +func (writer *SearchWriter) desiredColumns(table SearchTableConfig) []searchColumn { + columns := make([]searchColumn, 0, len(table.StoreColumns)+len(table.embeddings())*2+4) + for _, column := range table.StoreColumns { + columns = append(columns, searchColumn{name: column, dataType: "VARCHAR"}) + } + for _, embedding := range table.embeddings() { + columns = append(columns, searchColumn{name: embedding.Name, dataType: fmt.Sprintf("FLOAT[%d]", OPENAI_EMBEDDING_DIMENSIONS)}) + } + columns = append(columns, + searchColumn{name: PGSTACK_UPDATED_AT_COLUMN, dataType: "TIMESTAMPTZ"}, + searchColumn{name: PGSTACK_POSITION_COLUMN, dataType: "UBIGINT"}, + ) + for _, embedding := range table.embeddings() { + columns = append(columns, searchColumn{name: "__pgstack_" + embedding.ID, dataType: "VARCHAR"}) + } + columns = append(columns, + searchColumn{name: PGSTACK_CHUNK_INDEX_COLUMN, dataType: "UINTEGER"}, + searchColumn{name: PGSTACK_SOURCE_KEY_COLUMN, dataType: "VARCHAR"}, + ) + columns = append(columns, searchColumn{name: PGSTACK_TEXT_COLUMN, dataType: "VARCHAR"}) + return columns +} + +func normalizeSearchType(dataType string) string { + normalized := strings.ToUpper(strings.Join(strings.Fields(dataType), " ")) + if normalized == "TIMESTAMP WITH TIME ZONE" { + return "TIMESTAMPTZ" + } + return normalized +} + +func (writer *SearchWriter) dropRemovedTables(ctx context.Context) error { + rows, err := writer.duckdb.QueryContext(ctx, "SHOW TABLES FROM search_store.main") + if err != nil { + return err + } + defer rows.Close() + desired := make(map[string]bool, len(writer.tables)) + for name := range writer.tables { + desired[searchPhysicalTableName(name)] = true + } + var removed []string + for rows.Next() { + var name string + if err := rows.Scan(&name); err != nil { + return err + } + if !desired[name] { + removed = append(removed, name) + } + } + if err := rows.Err(); err != nil { + return err + } + for _, name := range removed { + if _, err := writer.duckdb.ExecContext(ctx, "DROP TABLE search_store.main."+quoteIdentifier(name)); err != nil { + return err + } + } + return nil +} + +// existingHashes loads the stored input hash for every embedding on every Lance +// chunk belonging to one source row. Apply uses the hashes to embed only changed +// inputs, and the greatest stored position to reject an older CDC mutation. +// +// Conceptually, it returns: +// +// hashes: { +// chunk 0: {embedding_hash: hash1}, +// chunk 1: {embedding_hash: hash2}, +// } +// position: greatest stored source LSN +func (writer *SearchWriter) existingHashes(ctx context.Context, table SearchTableConfig, message *ChangeMessage, values map[string]interface{}) (existingSearchRows, error) { + result := existingSearchRows{hashes: make(map[int]map[string]string)} + if len(message.Source.Pk) == 0 { + return result, fmt.Errorf("search table %s has no primary key metadata", table.Name) + } + columns := []string{quoteIdentifier(PGSTACK_CHUNK_INDEX_COLUMN), quoteIdentifier(PGSTACK_POSITION_COLUMN)} + for _, embedding := range table.embeddings() { + columns = append(columns, quoteIdentifier("__pgstack_"+embedding.ID)) + } + where, args := primaryKeyPredicate(message.Source.Pk, values) + query := "SELECT " + strings.Join(columns, ", ") + " FROM search_store.main." + quoteIdentifier(searchPhysicalTableName(table.Name)) + " WHERE " + where + rows, err := writer.duckdb.QueryContext(ctx, query, args...) + if err != nil { + return result, err + } + defer rows.Close() + for rows.Next() { + var chunkIndex int + var position uint64 + hashes := make([]sql.NullString, len(table.embeddings())) + destinations := make([]interface{}, 0, len(hashes)+2) + destinations = append(destinations, &chunkIndex, &position) + for i := range hashes { + destinations = append(destinations, &hashes[i]) + } + if err := rows.Scan(destinations...); err != nil { + return result, err + } + chunkHashes := make(map[string]string, len(hashes)) + for i, hash := range hashes { + if hash.Valid { + chunkHashes[table.embeddings()[i].ID] = hash.String + } + } + result.hashes[chunkIndex] = chunkHashes + result.position = max(result.position, position) + } + return result, rows.Err() +} + +func (writer *SearchWriter) deleteStaleChunks(ctx context.Context, table SearchTableConfig, message *ChangeMessage, values map[string]interface{}, chunkCount int) error { + _, args := primaryKeyPredicate(message.Source.Pk, values) + args = append(args, chunkCount, message.Source.Lsn) + qualified := "search_store.main." + quoteIdentifier(searchPhysicalTableName(table.Name)) + query := searchMergeDeleteQuery(qualified, message.Source.Pk, true) + _, err := writer.duckdb.ExecContext(ctx, query, args...) + return err +} + +// applyRow persists one physical Lance chunk. It truncates or deletes for those +// CDC operations, updates an existing chunk (including only changed embeddings), +// or inserts a new chunk. Position guards prevent stale CDC data from winning. +func (writer *SearchWriter) applyRow(ctx context.Context, row *searchRow) error { + qualified := "search_store.main." + quoteIdentifier(searchPhysicalTableName(row.table.Name)) + if row.message.Op == OPERATION_TRUNCATE { + _, err := writer.duckdb.ExecContext(ctx, "TRUNCATE TABLE "+qualified) + return err + } + if row.message.Op == OPERATION_DELETE { + _, primaryArgs := primaryKeyPredicate(row.message.Source.Pk, row.values) + args := append(primaryArgs, row.message.Source.Lsn) + _, err := writer.duckdb.ExecContext(ctx, searchMergeDeleteQuery(qualified, row.message.Source.Pk, false), args...) + return err + } + + if row.existing { + args := make([]interface{}, 0, len(row.table.StoreColumns)+len(row.changedEmbeddings)*2+4) + for _, column := range row.table.StoreColumns { + args = append(args, searchStoredValue(row.values[column])) + } + args = append(args, row.text) + for _, embedding := range row.changedEmbeddings { + args = append(args, searchEmbeddingValue(row, embedding.ID), searchEmbeddingHashValue(row, embedding.ID)) + } + args = append(args, searchSourceKey(row.message.Source.Pk, row.values), time.UnixMicro(row.message.Source.TsUs), row.message.Source.Lsn) + args = append(args, row.chunkIndex) + query := searchMergeUpdateQuery(qualified, row.table, row.changedEmbeddings, row.message.Source.Pk, OPENAI_EMBEDDING_DIMENSIONS) + _, err := writer.duckdb.ExecContext(ctx, query, args...) + return err + } + + columns := make([]string, 0, len(row.table.StoreColumns)+len(row.table.embeddings())*2+4) + args := make([]interface{}, 0, cap(columns)) + for _, column := range row.table.StoreColumns { + columns = append(columns, quoteIdentifier(column)) + args = append(args, searchStoredValue(row.values[column])) + } + columns = append(columns, quoteIdentifier(PGSTACK_TEXT_COLUMN)) + args = append(args, row.text) + for _, embedding := range row.table.embeddings() { + columns = append(columns, quoteIdentifier(embedding.Name)) + args = append(args, searchEmbeddingValue(row, embedding.ID)) + } + columns = append(columns, + quoteIdentifier(PGSTACK_CHUNK_INDEX_COLUMN), + quoteIdentifier(PGSTACK_SOURCE_KEY_COLUMN), + quoteIdentifier(PGSTACK_UPDATED_AT_COLUMN), + quoteIdentifier(PGSTACK_POSITION_COLUMN), + ) + args = append(args, row.chunkIndex, searchSourceKey(row.message.Source.Pk, row.values), time.UnixMicro(row.message.Source.TsUs), row.message.Source.Lsn) + for _, embedding := range row.table.embeddings() { + columns = append(columns, quoteIdentifier("__pgstack_"+embedding.ID)) + args = append(args, searchEmbeddingHashValue(row, embedding.ID)) + } + placeholders := make([]string, len(columns)) + for i := range placeholders { + placeholders[i] = "?" + } + _, err := writer.duckdb.ExecContext(ctx, "INSERT INTO "+qualified+" ("+strings.Join(columns, ", ")+") VALUES ("+strings.Join(placeholders, ", ")+")", args...) + return err +} + +func searchEmbeddingValue(row *searchRow, embeddingID string) interface{} { + vector, ok := row.vectors[embeddingID] + if !ok { + return nil + } + return vector +} + +func searchEmbeddingHashValue(row *searchRow, embeddingID string) interface{} { + hash, ok := row.hashes[embeddingID] + if !ok { + return nil + } + return hash +} + +func (writer *SearchWriter) embeddingHash(embedding searchEmbeddingConfig, input string) string { + fingerprint := fmt.Sprintf("%s\x00%s\x00%d\x00%d\x00%s", OPENAI_EMBEDDING_MODEL, embedding.ID, OPENAI_EMBEDDING_DIMENSIONS, SEARCH_INPUT_FORMAT_VERSION, strings.Join(embedding.Columns, "\x00")) + sum := sha256.Sum256([]byte(fingerprint + "\x00" + input)) + return hex.EncodeToString(sum[:]) +} + +func searchEmbeddingInput(embedding searchEmbeddingConfig, values map[string]interface{}) string { + parts := make([]string, 0, len(embedding.Columns)) + for _, column := range embedding.Columns { + encoded, _ := json.Marshal(values[column]) + parts = append(parts, column+":"+string(encoded)) + } + return strings.Join(parts, "\n") +} + +func chunkEmbeddingInput(input string) []string { + if len(input) <= EMBEDDING_MAX_INPUT_BYTES { + return []string{input} + } + + chunks := make([]string, 0, len(input)/EMBEDDING_MAX_INPUT_BYTES+1) + for start := 0; start < len(input); { + end := min(start+EMBEDDING_MAX_INPUT_BYTES, len(input)) + for end > start && !utf8.ValidString(input[start:end]) { + end-- + } + if end == start { + _, size := utf8.DecodeRuneInString(input[start:]) + end = start + size + } + chunks = append(chunks, input[start:end]) + if end == len(input) { + break + } + + start = max(start+1, end-SEARCH_CHUNK_OVERLAP_BYTES) + for start < end && !utf8.RuneStart(input[start]) { + start++ + } + } + return chunks +} + +func searchSourceKey(primaryKeys []string, values map[string]interface{}) string { + hash := sha256.New() + for _, column := range primaryKeys { + hash.Write([]byte(column)) + hash.Write([]byte{0}) + encoded, _ := json.Marshal(values[column]) + hash.Write(encoded) + hash.Write([]byte{0}) + } + return hex.EncodeToString(hash.Sum(nil)) +} + +func searchKeywordInput(table SearchTableConfig, values map[string]interface{}) string { + parts := make([]string, 0, len(table.IndexColumns)) + for _, column := range table.IndexColumns { + if value := searchStoredValue(values[column]); value != nil { + parts = append(parts, fmt.Sprint(value)) + } + } + return strings.Join(parts, "\n") +} + +func searchStoredValue(value interface{}) interface{} { + if value == nil { + return nil + } + switch typed := value.(type) { + case string: + return typed + case json.Number: + return typed.String() + default: + encoded, _ := json.Marshal(value) + return string(encoded) + } +} + +func primaryKeyPredicate(columns []string, values map[string]interface{}) (string, []interface{}) { + predicates := make([]string, len(columns)) + args := make([]interface{}, len(columns)) + for i, column := range columns { + predicates[i] = quoteIdentifier(column) + " = ?" + args[i] = searchStoredValue(values[column]) + } + return strings.Join(predicates, " AND "), args +} + +// searchMergeDeleteQuery uses MERGE for predicate deletes because the bundled +// Lance extension can apply DELETE FROM predicates as an unfiltered delete. +func searchMergeDeleteQuery(qualified string, primaryKeys []string, staleChunksOnly bool) string { + sourceColumns := make([]string, 0, len(primaryKeys)+2) + conditions := make([]string, 0, len(primaryKeys)+2) + for _, column := range primaryKeys { + quoted := quoteIdentifier(column) + sourceColumns = append(sourceColumns, "?::VARCHAR AS "+quoted) + conditions = append(conditions, "target."+quoted+" = source."+quoted) + } + if staleChunksOnly { + quoted := quoteIdentifier(PGSTACK_CHUNK_INDEX_COLUMN) + sourceColumns = append(sourceColumns, "?::UINTEGER AS "+quoted) + conditions = append(conditions, "target."+quoted+" >= source."+quoted) + } + quotedPosition := quoteIdentifier(PGSTACK_POSITION_COLUMN) + sourceColumns = append(sourceColumns, "?::UBIGINT AS "+quotedPosition) + conditions = append(conditions, "target."+quotedPosition+" <= source."+quotedPosition) + + return "MERGE INTO " + qualified + " AS target USING (SELECT " + strings.Join(sourceColumns, ", ") + + ") AS source ON " + strings.Join(conditions, " AND ") + " WHEN MATCHED THEN DELETE" +} + +// searchMergeUpdateQuery uses MERGE because Lance UPDATE cannot execute plans +// where DuckDB leaves one or more predicates as pushed table filters. MERGE +// applies the same primary-key, chunk, and source-position guards in its join. +func searchMergeUpdateQuery(qualified string, table SearchTableConfig, changedEmbeddings []searchEmbeddingConfig, primaryKeys []string, embeddingDimensions int) string { + sourceColumns := make([]string, 0, len(table.StoreColumns)+len(changedEmbeddings)*2+4) + sets := make([]string, 0, len(table.StoreColumns)+len(changedEmbeddings)*2+3) + addSet := func(column string, dataType string) { + quoted := quoteIdentifier(column) + sourceColumns = append(sourceColumns, "?::"+dataType+" AS "+quoted) + sets = append(sets, quoted+" = source."+quoted) + } + for _, column := range table.StoreColumns { + addSet(column, "VARCHAR") + } + addSet(PGSTACK_TEXT_COLUMN, "VARCHAR") + for _, embedding := range changedEmbeddings { + addSet(embedding.Name, fmt.Sprintf("FLOAT[%d]", embeddingDimensions)) + addSet("__pgstack_"+embedding.ID, "VARCHAR") + } + addSet(PGSTACK_SOURCE_KEY_COLUMN, "VARCHAR") + addSet(PGSTACK_UPDATED_AT_COLUMN, "TIMESTAMPTZ") + addSet(PGSTACK_POSITION_COLUMN, "UBIGINT") + + conditions := make([]string, 0, len(primaryKeys)+2) + for _, column := range primaryKeys { + quoted := quoteIdentifier(column) + conditions = append(conditions, "target."+quoted+" = source."+quoted) + } + quotedChunk := quoteIdentifier(PGSTACK_CHUNK_INDEX_COLUMN) + quotedPosition := quoteIdentifier(PGSTACK_POSITION_COLUMN) + sourceColumns = append(sourceColumns, "?::UINTEGER AS "+quotedChunk) + conditions = append(conditions, + "target."+quotedChunk+" = source."+quotedChunk, + "target."+quotedPosition+" <= source."+quotedPosition, + ) + + return "MERGE INTO " + qualified + " AS target USING (SELECT " + strings.Join(sourceColumns, ", ") + + ") AS source ON " + strings.Join(conditions, " AND ") + " WHEN MATCHED THEN UPDATE SET " + strings.Join(sets, ", ") +} + +func searchPhysicalTableName(schemaTable string) string { + return strings.ReplaceAll(schemaTable, ".", "_") +} + +func quoteIdentifier(value string) string { + return `"` + strings.ReplaceAll(value, `"`, `""`) + `"` +} diff --git a/processor/search_writer_test.go b/processor/search_writer_test.go new file mode 100644 index 0000000..37835bc --- /dev/null +++ b/processor/search_writer_test.go @@ -0,0 +1,320 @@ +package main + +import ( + "context" + "database/sql" + "fmt" + "reflect" + "strings" + "testing" + "time" + "unicode/utf8" +) + +func TestSearchPhysicalTableName(t *testing.T) { + if got := searchPhysicalTableName("public.documents"); got != "public_documents" { + t.Fatalf("unexpected physical table name: %s", got) + } +} + +func TestSearchDatasetAndIndexNames(t *testing.T) { + writer := &SearchWriter{config: &Config{S3Bucket: "bucket", SearchBasePath: "/org/project/search/"}} + table := SearchTableConfig{Name: "public.documents"} + if got := writer.searchDatasetPath(table); got != "s3://bucket/org/project/search/public_documents.lance" { + t.Fatalf("unexpected Search dataset path: %s", got) + } + if got := vectorIndexName("default"); got != "__pgstack_vector_default_idx" { + t.Fatalf("unexpected Search index name: %s", got) + } +} + +func TestSearchMaintenanceDue(t *testing.T) { + now := time.Date(2026, time.August, 27, 12, 0, 0, 0, time.UTC) + if !searchMaintenanceDue(time.Time{}, now) { + t.Fatal("expected the first maintenance to be due") + } + if searchMaintenanceDue(now.Add(-SEARCH_MAINTENANCE_INTERVAL+time.Second), now) { + t.Fatal("expected maintenance within the interval to be skipped") + } + if !searchMaintenanceDue(now.Add(-SEARCH_MAINTENANCE_INTERVAL), now) { + t.Fatal("expected maintenance at the interval boundary to be due") + } +} + +func TestChunkEmbeddingInputPreservesLongUTF8Input(t *testing.T) { + input := strings.Repeat("é", EMBEDDING_MAX_INPUT_BYTES/2+100) + chunks := chunkEmbeddingInput(input) + if len(chunks) < 2 { + t.Fatalf("expected multiple chunks, got %d", len(chunks)) + } + for _, chunk := range chunks { + if len(chunk) > EMBEDDING_MAX_INPUT_BYTES { + t.Fatalf("chunk exceeds byte limit: %d", len(chunk)) + } + if !utf8.ValidString(chunk) { + t.Fatalf("chunk is not valid UTF-8") + } + } + withoutOverlap := chunks[0] + chunks[1][min(SEARCH_CHUNK_OVERLAP_BYTES, len(chunks[1])):] + if withoutOverlap != input { + t.Fatal("chunking lost input content") + } +} + +func TestEmbeddingBatchEndHonorsByteBudget(t *testing.T) { + inputs := make([]string, 100) + for i := range inputs { + inputs[i] = strings.Repeat("c", EMBEDDING_MAX_INPUT_BYTES) + } + end, err := embeddingBatchEnd(inputs, 0) + if err != nil { + t.Fatal(err) + } + if end != EMBEDDING_BATCH_MAX_INPUT_BYTES/EMBEDDING_MAX_INPUT_BYTES { + t.Fatalf("unexpected byte-budgeted batch end: %d", end) + } +} + +func TestSearchMergeDeleteQuery(t *testing.T) { + qualified := `search_store.main."public_documents"` + query := searchMergeDeleteQuery(qualified, []string{"tenant_id", "id"}, true) + for _, expected := range []string{ + `MERGE INTO search_store.main."public_documents" AS target`, + `?::VARCHAR AS "tenant_id"`, + `target."tenant_id" = source."tenant_id"`, + `target."id" = source."id"`, + `target."__pgstack_chunk_index" >= source."__pgstack_chunk_index"`, + `target."__pgstack_position" <= source."__pgstack_position"`, + `WHEN MATCHED THEN DELETE`, + } { + if !strings.Contains(query, expected) { + t.Fatalf("expected %q in MERGE delete query: %s", expected, query) + } + } +} + +func TestSearchMergeUpdateQuery(t *testing.T) { + qualified := `search_store.main."public_documents"` + table := SearchTableConfig{ + StoreColumns: []string{"tenant_id", "id", "body"}, + } + changedEmbeddings := []searchEmbeddingConfig{{ID: "default", Name: "embedding"}} + query := searchMergeUpdateQuery(qualified, table, changedEmbeddings, []string{"tenant_id", "id"}, 1536) + for _, expected := range []string{ + `MERGE INTO search_store.main."public_documents" AS target`, + `?::VARCHAR AS "tenant_id"`, + `?::FLOAT[1536] AS "embedding"`, + `"embedding" = source."embedding"`, + `"__pgstack_default" = source."__pgstack_default"`, + `target."tenant_id" = source."tenant_id"`, + `target."id" = source."id"`, + `target."__pgstack_chunk_index" = source."__pgstack_chunk_index"`, + `target."__pgstack_position" <= source."__pgstack_position"`, + `WHEN MATCHED THEN UPDATE SET`, + } { + if !strings.Contains(query, expected) { + t.Fatalf("expected %q in MERGE update query: %s", expected, query) + } + } +} + +func TestSearchColumnsPutMetadataLast(t *testing.T) { + writer := &SearchWriter{config: &Config{}} + columns := writer.desiredColumns(SearchTableConfig{ + StoreColumns: []string{"id", "body"}, + IndexColumns: []string{"body"}, + }) + names := make([]string, len(columns)) + for i, column := range columns { + names[i] = column.name + } + want := []string{"id", "body", "__pgstack_embedding", "__pgstack_updated_at", "__pgstack_position", "__pgstack_embedding_hash", "__pgstack_chunk_index", "__pgstack_source_key", "__pgstack_text"} + if !reflect.DeepEqual(names, want) { + t.Fatalf("unexpected Search column order: %#v", names) + } + if columns[2].dataType != "FLOAT[1536]" { + t.Fatalf("unexpected embedding type: %s", columns[2].dataType) + } +} + +func TestSearchSourceKeyUsesPrimaryKeyColumns(t *testing.T) { + values := map[string]interface{}{"id": "1", "tenant_id": "2", "body": "ignored"} + original := searchSourceKey([]string{"tenant_id", "id"}, values) + values["body"] = "updated" + if original != searchSourceKey([]string{"tenant_id", "id"}, values) { + t.Fatal("non-primary-key change affected source key") + } + values["id"] = "3" + if original == searchSourceKey([]string{"tenant_id", "id"}, values) { + t.Fatal("primary-key change did not affect source key") + } +} + +func TestEmbeddingHashChangesWithSettingsAndInput(t *testing.T) { + embedding := searchEmbeddingConfig{ID: "id", Columns: []string{"body"}} + writer := &SearchWriter{config: &Config{}} + original := writer.embeddingHash(embedding, "body:\"hello\"") + if original == writer.embeddingHash(embedding, "body:\"updated\"") { + t.Fatal("input change did not change embedding hash") + } + embedding.Columns = []string{"title"} + if original == writer.embeddingHash(embedding, "body:\"hello\"") { + t.Fatal("embedding settings change did not change embedding hash") + } +} + +func TestSearchWriterConsumesIndexColumnsAPI(t *testing.T) { + writer, err := NewSearchWriter(&Config{OpenAIAPIKey: "test", SearchTablesJSON: `[{"name":"public.documents","indexColumns":["title","body"],"storeColumns":["id","title"]}]`}) + if err != nil { + t.Fatal(err) + } + table := writer.tables["public.documents"] + embeddings := table.embeddings() + if len(embeddings) != 1 || embeddings[0].Name != "__pgstack_embedding" { + t.Fatalf("unexpected managed index: %#v", embeddings) + } + input := searchEmbeddingInput(embeddings[0], map[string]interface{}{"title": "Jacket", "body": "Waterproof", "id": "ignored"}) + if input != "title:\"Jacket\"\nbody:\"Waterproof\"" { + t.Fatalf("unexpected indexed input: %s", input) + } + for _, config := range []string{ + `[{"name":"public.documents","storeColumns":["id"]}]`, + `[{"name":"public.documents","indexColumns":["body","body"],"storeColumns":["id"]}]`, + `[{"name":"public.documents","indexColumns":["__pgstack_embedding"],"storeColumns":["id"]}]`, + } { + if _, err := NewSearchWriter(&Config{OpenAIAPIKey: "test", SearchTablesJSON: config}); err == nil { + t.Fatalf("expected invalid configuration: %s", config) + } + } +} + +func TestSearchKeywordInputUsesValuesOnly(t *testing.T) { + table := SearchTableConfig{IndexColumns: []string{"title", "body", "optional", "count"}, StoreColumns: []string{"id"}} + input := searchKeywordInput(table, map[string]interface{}{"title": "Rain jacket", "body": "Waterproof gear", "count": 42, "id": "ignored"}) + if input != "Rain jacket\nWaterproof gear\n42" { + t.Fatalf("unexpected full-text input: %q", input) + } +} + +func TestSearchTextPersistence(t *testing.T) { + db, err := sql.Open("duckdb", "") + if err != nil { + t.Fatal(err) + } + t.Cleanup(func() { _ = db.Close() }) + db.SetMaxOpenConns(1) + ctx := context.Background() + if _, err := db.ExecContext(ctx, "ATTACH ':memory:' AS search_store"); err != nil { + t.Fatal(err) + } + writer := &SearchWriter{config: &Config{}, duckdb: &DuckDBClient{db: db, config: &Config{}}} + table := SearchTableConfig{Name: "public.documents", StoreColumns: []string{"id"}, IndexColumns: []string{"body"}} + if err := writer.ensureTable(ctx, table, []string{"id"}); err != nil { + t.Fatal(err) + } + vector := make([]float32, OPENAI_EMBEDDING_DIMENSIONS) + vector[0] = 1 + row := &searchRow{table: table, message: &ChangeMessage{Op: OPERATION_CREATE, Source: SourceMetadata{Pk: []string{"id"}, Lsn: 1}}, values: map[string]interface{}{"id": "1"}, text: "rain jacket", vectors: map[string][]float32{"embedding_hash": vector}, hashes: map[string]string{"embedding_hash": "unchanged"}} + if err := writer.applyRow(ctx, row); err != nil { + t.Fatal(err) + } + var count int + var text sql.NullString + if err := db.QueryRowContext(ctx, "SELECT __pgstack_text FROM search_store.main.public_documents").Scan(&text); err != nil || text.String != "rain jacket" { + t.Fatalf("insert did not persist indexed text: %v %v", text, err) + } + // Update text while retaining the existing embedding and its hash. + row.existing = true + row.message.Op = OPERATION_UPDATE + row.message.Source.Lsn = 2 + row.text = "waterproof coat" + if err := writer.applyRow(ctx, row); err != nil { + t.Fatal(err) + } + var hash string + if err := db.QueryRowContext(ctx, "SELECT __pgstack_text, __pgstack_embedding_hash FROM search_store.main.public_documents").Scan(&text, &hash); err != nil || text.String != "waterproof coat" || hash != "unchanged" { + t.Fatalf("text update changed embedding or failed: %v %s %v", text, hash, err) + } + row.message.Source.Lsn = 1 + row.text = "stale text" + if err := writer.applyRow(ctx, row); err != nil { + t.Fatal(err) + } + if err := db.QueryRowContext(ctx, "SELECT __pgstack_text FROM search_store.main.public_documents").Scan(&text); err != nil || text.String != "waterproof coat" { + t.Fatalf("stale text replaced current data: %v %v", text, err) + } + row.message.Op = OPERATION_DELETE + row.message.Source.Lsn = 3 + if err := writer.applyRow(ctx, row); err != nil { + t.Fatal(err) + } + if err := db.QueryRowContext(ctx, "SELECT count(*) FROM search_store.main.public_documents").Scan(&count); err != nil || count != 0 { + t.Fatalf("delete retained text: %d %v", count, err) + } +} + +func TestKeywordOnlySearchWithoutEmbeddingKey(t *testing.T) { + writer, err := NewSearchWriter(&Config{SearchTablesJSON: `[{"name":"public.documents","indexColumns":["body"],"storeColumns":["id","body"],"keywordOnly":true}]`}) + if err != nil { + t.Fatal(err) + } + if writer.embeddings != nil { + t.Fatal("keyword-only indexing must not initialize an embedding client") + } + table := writer.tables["public.documents"] + for _, column := range writer.desiredColumns(table) { + if strings.Contains(column.name, "embedding") { + t.Fatal("unexpected vector column", column.name) + } + } + if got := searchKeywordInput(table, map[string]interface{}{"body": "rain jacket"}); got != "rain jacket" { + t.Fatal(got) + } + if _, err := NewSearchWriter(&Config{SearchTablesJSON: `[{"name":"public.documents","indexColumns":["body"],"storeColumns":["id"]}]`}); err == nil { + t.Fatal("semantic indexing must still require credentials") + } +} + +// Exercise the exact production DDL against Lance's custom parser. DuckDB's +// normal quoted-identifier rules do not apply to these index statements. +func TestSearchIndexDDLWithLance(t *testing.T) { + db, err := sql.Open("duckdb", "") + if err != nil { + t.Fatal(err) + } + t.Cleanup(func() { _ = db.Close() }) + db.SetMaxOpenConns(1) + ctx := context.Background() + if _, err := db.ExecContext(ctx, "LOAD lance"); err != nil { + t.Skipf("Lance extension unavailable: %v", err) + } + datasetPath := t.TempDir() + "/documents.lance" + query := fmt.Sprintf("COPY (SELECT 'rain jacket' AS %s, [1.0,0.0]::FLOAT[2] AS __pgstack_embedding UNION ALL SELECT 'sun hat', [0.0,1.0]::FLOAT[2]) TO '%s' (FORMAT lance, MODE overwrite)", PGSTACK_TEXT_COLUMN, escapeSQLString(datasetPath)) + if _, err := db.ExecContext(ctx, query); err != nil { + t.Fatal(err) + } + embedding := SearchTableConfig{IndexColumns: []string{"body"}}.embeddings()[0] + for _, query := range []string{searchTextIndexQuery(datasetPath), searchVectorIndexQuery(datasetPath, embedding, 1)} { + if _, err := db.ExecContext(ctx, query); err != nil { + t.Fatalf("%s: %v", query, err) + } + } + writer := &SearchWriter{duckdb: &DuckDBClient{db: db}} + indices, err := writer.vectorIndexes(ctx, datasetPath) + if err != nil { + t.Fatal(err) + } + for _, name := range []string{PGSTACK_TEXT_INDEX, vectorIndexName(embedding.ID)} { + if !indices[name] { + t.Fatalf("missing index %s: %v", name, indices) + } + query := searchOptimizeIndexQuery(name, datasetPath) + if err := writer.executeLanceMaintenance(ctx, query); err != nil { + t.Fatalf("%s: %v", query, err) + } + } + var count int + if err := db.QueryRowContext(ctx, "SELECT count(*) FROM lance_fts('"+escapeSQLString(datasetPath)+"', '"+PGSTACK_TEXT_COLUMN+"', 'rain')").Scan(&count); err != nil || count != 1 { + t.Fatalf("text index search: count=%d, error=%v", count, err) + } +} diff --git a/processor/stitcher.go b/processor/stitcher.go new file mode 100644 index 0000000..1862fa2 --- /dev/null +++ b/processor/stitcher.go @@ -0,0 +1,243 @@ +package main + +import ( + "encoding/base64" + "encoding/json" + "fmt" + "sort" + + "github.com/nats-io/nats.go/jetstream" +) + +const ( + MESSAGE_PREFIX_CONTEXT = "_bemi" +) + +type FetchedRecord struct { + Message *ChangeMessage + NatsMsg jetstream.Msg + StreamSequence uint64 + Subject string + MessagePrefix string + IsContextMsg bool + IsMutation bool +} + +type MessageBuffer struct { + // Map: subject -> transactionId -> list of FetchedRecords + store map[string]map[uint32][]*FetchedRecord +} + +type StitchResult struct { + StitchedRecords []*FetchedRecord + Buffer *MessageBuffer + AckMessages []jetstream.Msg + AckStreamSequence uint64 +} + +func NewMessageBuffer() *MessageBuffer { + return &MessageBuffer{ + store: make(map[string]map[uint32][]*FetchedRecord), + } +} + +func (mb *MessageBuffer) Add(record *FetchedRecord) { + subject := record.Subject + txId := record.Message.Source.TxId + + if mb.store[subject] == nil { + mb.store[subject] = make(map[uint32][]*FetchedRecord) + } + + mb.store[subject][txId] = append(mb.store[subject][txId], record) +} + +func (mb *MessageBuffer) GetByTransaction(subject string, txId uint32) []*FetchedRecord { + if mb.store[subject] == nil { + return nil + } + return mb.store[subject][txId] +} + +func (mb *MessageBuffer) Size() int { + total := 0 + for _, txMap := range mb.store { + for _, records := range txMap { + total += len(records) + } + } + return total +} + +// ForEach iterates over all records grouped by subject, sorted by transactionId and streamSequence. +func (mb *MessageBuffer) ForEach(callback func(subject string, records []*FetchedRecord)) { + for subject, txMap := range mb.store { + var allRecords []*FetchedRecord + for _, records := range txMap { + allRecords = append(allRecords, records...) + } + + sort.Slice(allRecords, func(i, j int) bool { + if allRecords[i].Message.Source.TxId != allRecords[j].Message.Source.TxId { + return allRecords[i].Message.Source.TxId < allRecords[j].Message.Source.TxId + } + return allRecords[i].StreamSequence < allRecords[j].StreamSequence + }) + + callback(subject, allRecords) + } +} + +func NewFetchedRecord(config *Config, msg *ChangeMessage, natsMsg jetstream.Msg, subject string) *FetchedRecord { + record := &FetchedRecord{ + Message: msg, + NatsMsg: natsMsg, + Subject: subject, + } + + // Get metadata + metadata, err := natsMsg.Metadata() + if err != nil { + LogError(config, "Failed to get message metadata:", err) + return record + } + record.StreamSequence = metadata.Sequence.Stream + + // Determine message type + if msg.Message != nil { + record.MessagePrefix = msg.Message.Prefix + if msg.Message.Prefix == MESSAGE_PREFIX_CONTEXT { + record.IsContextMsg = true + } + } + + // Check if it's a mutation (c/u/d/t operations create data changes) + if msg.Op == OPERATION_CREATE || msg.Op == OPERATION_UPDATE || msg.Op == OPERATION_DELETE || msg.Op == OPERATION_TRUNCATE { + record.IsMutation = true + } + + return record +} + +// ParseContext extracts context from a context message +func ParseContext(config *Config, msg *ChangeMessage) map[string]interface{} { + if msg.Message == nil || msg.Message.Prefix != MESSAGE_PREFIX_CONTEXT { + return nil + } + + content := []byte(msg.Message.Content) + decoded, err := base64.StdEncoding.DecodeString(msg.Message.Content) + if err == nil { + content = decoded + } + + var context map[string]interface{} + if err := json.Unmarshal(content, &context); err != nil { + LogWarn(config, fmt.Sprintf( + "Failed to parse context JSON: %v (content_bytes=%d, base64_decoded=%t)", + err, + len(content), + decoded != nil, + )) + return nil + } + + return context +} + +// StitchMessages processes a batch of messages with context stitching and buffering +func StitchMessages(config *Config, batch *MessageBatch, buffer *MessageBuffer) *StitchResult { + // Convert batch to FetchedRecords and add to buffer + for i, msg := range batch.Messages { + natsMsg := batch.NatsMsg[i] + record := NewFetchedRecord(config, msg, natsMsg, natsMsg.Subject()) + buffer.Add(record) + } + + stitched := []*FetchedRecord{} + newBuffer := NewMessageBuffer() + ackMessages := []jetstream.Msg{} + ackedSequences := make(map[uint64]bool) + maxAckSequence := uint64(0) + + addAck := func(record *FetchedRecord) { + if record == nil || record.NatsMsg == nil || ackedSequences[record.StreamSequence] { + return + } + ackedSequences[record.StreamSequence] = true + ackMessages = append(ackMessages, record.NatsMsg) + if record.StreamSequence > maxAckSequence { + maxAckSequence = record.StreamSequence + } + } + + buffer.ForEach(func(subject string, records []*FetchedRecord) { + if len(records) == 0 { + return + } + + for idx, record := range records { + txId := record.Message.Source.TxId + sameTransactionRecords := buffer.GetByTransaction(subject, txId) + var contextRecord *FetchedRecord + + for _, r := range sameTransactionRecords { + if r.IsContextMsg { + contextRecord = r + break + } + } + + // Keep only the current subject tail in the buffer. If its pair does + // not arrive in the next non-empty batch, a later record will push it + // out and it will be processed/acked without context. + isLastMessage := idx == len(records)-1 + isUnpairedMutation := record.IsMutation && contextRecord == nil + isUnpairedContext := record.IsContextMsg + + if isLastMessage && (isUnpairedMutation || isUnpairedContext) && len(sameTransactionRecords) == 1 { + newBuffer.Add(record) + if record.NatsMsg != nil { + if err := record.NatsMsg.InProgress(); err != nil { + LogError(config, "Failed to mark buffered message in progress:", err) + } + } + continue + } + + if record.IsContextMsg { + addAck(record) + continue + } + + if record.IsMutation { + if contextRecord != nil { + record.Message.Context = ParseContext(config, contextRecord.Message) + addAck(contextRecord) + } + stitched = append(stitched, record) + addAck(record) + continue + } + + // Non-mutation messages are intentionally ignored, but still acked. + addAck(record) + } + }) + + LogDebug(config, fmt.Sprintf( + "Stitching: fetched=%d, stitched=%d, buffered=%d, ack_count=%d, max_ack_seq=%d", + len(batch.Messages), + len(stitched), + newBuffer.Size(), + len(ackMessages), + maxAckSequence, + )) + + return &StitchResult{ + StitchedRecords: stitched, + Buffer: newBuffer, + AckMessages: ackMessages, + AckStreamSequence: maxAckSequence, + } +} diff --git a/processor/stitcher_test.go b/processor/stitcher_test.go new file mode 100644 index 0000000..a13de09 --- /dev/null +++ b/processor/stitcher_test.go @@ -0,0 +1,242 @@ +package main + +import ( + "context" + "encoding/base64" + "encoding/json" + "testing" + "time" + + "github.com/nats-io/nats.go" + "github.com/nats-io/nats.go/jetstream" +) + +type fakeJetStreamMsg struct { + subject string + streamSequence uint64 + acked bool + inProgress bool +} + +func (m *fakeJetStreamMsg) Metadata() (*jetstream.MsgMetadata, error) { + return &jetstream.MsgMetadata{ + Sequence: jetstream.SequencePair{Stream: m.streamSequence}, + }, nil +} + +func (m *fakeJetStreamMsg) Data() []byte { + return nil +} + +func (m *fakeJetStreamMsg) Headers() nats.Header { + return nil +} + +func (m *fakeJetStreamMsg) Subject() string { + return m.subject +} + +func (m *fakeJetStreamMsg) Reply() string { + return "" +} + +func (m *fakeJetStreamMsg) Ack() error { + m.acked = true + return nil +} + +func (m *fakeJetStreamMsg) DoubleAck(context.Context) error { + return m.Ack() +} + +func (m *fakeJetStreamMsg) Nak() error { + return nil +} + +func (m *fakeJetStreamMsg) NakWithDelay(time.Duration) error { + return nil +} + +func (m *fakeJetStreamMsg) InProgress() error { + m.inProgress = true + return nil +} + +func (m *fakeJetStreamMsg) Term() error { + return nil +} + +func (m *fakeJetStreamMsg) TermWithReason(string) error { + return nil +} + +func TestStitchMessagesBuffersMutationUntilContextArrives(t *testing.T) { + mutationMsg := &fakeJetStreamMsg{subject: "cdc.project.pipeline", streamSequence: 10} + buffer := NewMessageBuffer() + + firstResult := StitchMessages(quietTestConfig(), &MessageBatch{ + Messages: []*ChangeMessage{changeMessage(1, OPERATION_CREATE)}, + NatsMsg: []jetstream.Msg{mutationMsg}, + }, buffer) + + if len(firstResult.StitchedRecords) != 0 { + t.Fatalf("expected no stitched records, got %d", len(firstResult.StitchedRecords)) + } + if firstResult.Buffer.Size() != 1 { + t.Fatalf("expected one buffered record, got %d", firstResult.Buffer.Size()) + } + if len(firstResult.AckMessages) != 0 { + t.Fatalf("expected no ackable messages, got %d", len(firstResult.AckMessages)) + } + if !mutationMsg.inProgress { + t.Fatal("expected buffered message to be marked in progress") + } +} + +func TestStitchMessagesStitchesBufferedMutationWhenContextArrives(t *testing.T) { + subject := "cdc.project.pipeline" + mutationMsg := &fakeJetStreamMsg{subject: subject, streamSequence: 10} + contextMsg := &fakeJetStreamMsg{subject: subject, streamSequence: 11} + buffer := NewMessageBuffer() + + firstResult := StitchMessages(quietTestConfig(), &MessageBatch{ + Messages: []*ChangeMessage{changeMessage(1, OPERATION_CREATE)}, + NatsMsg: []jetstream.Msg{mutationMsg}, + }, buffer) + + secondResult := StitchMessages(quietTestConfig(), &MessageBatch{ + Messages: []*ChangeMessage{contextMessage(1, `{"user_id":"user_123"}`)}, + NatsMsg: []jetstream.Msg{contextMsg}, + }, firstResult.Buffer) + + if secondResult.Buffer.Size() != 0 { + t.Fatalf("expected empty buffer, got %d", secondResult.Buffer.Size()) + } + if len(secondResult.StitchedRecords) != 1 { + t.Fatalf("expected one stitched record, got %d", len(secondResult.StitchedRecords)) + } + + context := secondResult.StitchedRecords[0].Message.Context + if context["user_id"] != "user_123" { + t.Fatalf("expected stitched context user_id, got %#v", context) + } + if len(secondResult.AckMessages) != 2 { + t.Fatalf("expected mutation and context messages to be ackable, got %d", len(secondResult.AckMessages)) + } + if secondResult.AckStreamSequence != 11 { + t.Fatalf("expected max ack stream sequence 11, got %d", secondResult.AckStreamSequence) + } +} + +func TestStitchMessagesReleasesBufferedMutationWithoutContextOnNextBatch(t *testing.T) { + subject := "cdc.project.pipeline" + firstMutationMsg := &fakeJetStreamMsg{subject: subject, streamSequence: 10} + secondMutationMsg := &fakeJetStreamMsg{subject: subject, streamSequence: 11} + buffer := NewMessageBuffer() + + firstResult := StitchMessages(quietTestConfig(), &MessageBatch{ + Messages: []*ChangeMessage{changeMessage(1, OPERATION_CREATE)}, + NatsMsg: []jetstream.Msg{firstMutationMsg}, + }, buffer) + + secondResult := StitchMessages(quietTestConfig(), &MessageBatch{ + Messages: []*ChangeMessage{changeMessage(2, OPERATION_CREATE)}, + NatsMsg: []jetstream.Msg{secondMutationMsg}, + }, firstResult.Buffer) + + if secondResult.Buffer.Size() != 1 { + t.Fatalf("expected newest unpaired mutation to remain buffered, got %d", secondResult.Buffer.Size()) + } + if len(secondResult.StitchedRecords) != 1 { + t.Fatalf("expected older mutation to be released, got %d stitched records", len(secondResult.StitchedRecords)) + } + if secondResult.StitchedRecords[0].Message.Context != nil { + t.Fatalf("expected released mutation to have no context, got %#v", secondResult.StitchedRecords[0].Message.Context) + } + if len(secondResult.AckMessages) != 1 { + t.Fatalf("expected only released mutation to be ackable, got %d", len(secondResult.AckMessages)) + } + if secondResult.AckStreamSequence != 10 { + t.Fatalf("expected max ack stream sequence 10, got %d", secondResult.AckStreamSequence) + } + if !secondMutationMsg.inProgress { + t.Fatal("expected newest buffered mutation to be marked in progress") + } +} + +func changeMessage(txId uint32, op string) *ChangeMessage { + return &ChangeMessage{ + After: map[string]interface{}{"id": 1}, + Op: op, + Source: SourceMetadata{ + TxId: txId, + }, + } +} + +func TestFormatPrimaryKeyValuePreservesJSONNumber(t *testing.T) { + got := formatPrimaryKeyValue(json.Number("842545207")) + if got != "842545207" { + t.Fatalf("expected integer primary key without exponent, got %q", got) + } +} + +func TestFormatPrimaryKeyValueHandlesMixedTypes(t *testing.T) { + tests := []struct { + name string + value interface{} + want string + }{ + {name: "string", value: "abc-123", want: "abc-123"}, + {name: "uuid", value: "4aa8716a-d66f-4d74-8cb2-bef3bf08957b", want: "4aa8716a-d66f-4d74-8cb2-bef3bf08957b"}, + {name: "float64", value: float64(842545207), want: "842545207"}, + {name: "bool", value: true, want: "true"}, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + if got := formatPrimaryKeyValue(tt.value); got != tt.want { + t.Fatalf("expected %q, got %q", tt.want, got) + } + }) + } +} + +func TestMessageToRowPreservesCompoundPrimaryKeyValues(t *testing.T) { + writer := &IcebergWriter{} + msg := &ChangeMessage{ + After: map[string]interface{}{ + "id": json.Number("842545207"), + "account": "4aa8716a-d66f-4d74-8cb2-bef3bf08957b", + }, + Op: OPERATION_CREATE, + Source: SourceMetadata{ + TsUs: time.Now().UnixMicro(), + Pk: []string{"id", "account"}, + }, + TsUs: time.Now().UnixMicro(), + } + + row := writer.messageToRow(msg) + if !row.PrimaryKey.Valid { + t.Fatal("expected primary key to be set") + } + + want := `["842545207","4aa8716a-d66f-4d74-8cb2-bef3bf08957b"]` + if row.PrimaryKey.String != want { + t.Fatalf("expected compound primary key %s, got %s", want, row.PrimaryKey.String) + } +} + +func contextMessage(txId uint32, content string) *ChangeMessage { + return &ChangeMessage{ + Op: OPERATION_MESSAGE, + Source: SourceMetadata{ + TxId: txId, + }, + Message: &MessagePayload{ + Prefix: MESSAGE_PREFIX_CONTEXT, + Content: base64.StdEncoding.EncodeToString([]byte(content)), + }, + } +} diff --git a/processor/storage_utils.go b/processor/storage_utils.go new file mode 100644 index 0000000..e0d22d1 --- /dev/null +++ b/processor/storage_utils.go @@ -0,0 +1,233 @@ +package main + +import ( + "bytes" + "context" + "encoding/json" + "errors" + "fmt" + "strings" + + "github.com/aws/aws-sdk-go/aws/awserr" + "github.com/linkedin/goavro" +) + +var ErrIcebergMetadataNotFound = errors.New("iceberg metadata not found") + +type StorageUtils struct { + config *Config + s3Client *S3Client +} + +func NewStorageUtils(config *Config, s3Client *S3Client) *StorageUtils { + return &StorageUtils{ + config: config, + s3Client: s3Client, + } +} + +func (utils *StorageUtils) CurrentParquetFiles(ctx context.Context, metadataKey string) ([]ParquetFileInfo, error) { + metadata, err := utils.parseMetadata(ctx, metadataKey) + if err != nil { + return nil, fmt.Errorf("failed to parse metadata: %w", err) + } + + manifestListPath, err := utils.currentManifestListPath(metadata) + if err != nil { + return nil, err + } + + manifestKey, err := utils.readManifestList(ctx, utils.s3PathToKey(manifestListPath)) + if err != nil { + return nil, err + } + + parquetFiles, err := utils.readManifestParquetFiles(ctx, manifestKey) + if err != nil { + return nil, err + } + + return parquetFiles, nil +} + +func (utils *StorageUtils) parseMetadata(ctx context.Context, metadataKey string) (*IcebergMetadata, error) { + data, err := utils.s3Client.Download(ctx, metadataKey) + if err != nil { + if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "NoSuchKey" { + return nil, ErrIcebergMetadataNotFound + } + return nil, err + } + + var metadata IcebergMetadata + if err := json.Unmarshal(data, &metadata); err != nil { + return nil, err + } + + return &metadata, nil +} + +func (utils *StorageUtils) currentManifestListPath(metadata *IcebergMetadata) (string, error) { + if metadata == nil || len(metadata.Snapshots) == 0 { + return "", fmt.Errorf("metadata has no snapshots") + } + + snapshot := metadata.Snapshots[0] + if snapshot.ManifestList == "" { + return "", fmt.Errorf("snapshot %d has no manifest list", snapshot.SnapshotId) + } + return snapshot.ManifestList, nil +} + +func (utils *StorageUtils) readManifestList(ctx context.Context, manifestListKey string) (string, error) { + data, err := utils.s3Client.Download(ctx, manifestListKey) + if err != nil { + return "", fmt.Errorf("failed to download manifest list %s: %w", manifestListKey, err) + } + + ocfReader, err := goavro.NewOCFReader(bytes.NewReader(data)) + if err != nil { + return "", fmt.Errorf("failed to read manifest list %s: %w", manifestListKey, err) + } + + if !ocfReader.Scan() { + return "", fmt.Errorf("manifest list %s has no records", manifestListKey) + } + + record, err := ocfReader.Read() + if err != nil { + return "", fmt.Errorf("failed to decode manifest list %s: %w", manifestListKey, err) + } + + recordMap, ok := record.(map[string]interface{}) + if !ok { + return "", fmt.Errorf("unexpected manifest list record in %s", manifestListKey) + } + + manifestPath, ok := recordMap["manifest_path"].(string) + if !ok || manifestPath == "" { + return "", fmt.Errorf("manifest list %s contains invalid manifest_path", manifestListKey) + } + + return utils.s3PathToKey(manifestPath), nil +} + +func (utils *StorageUtils) readManifestParquetFiles(ctx context.Context, manifestKey string) ([]ParquetFileInfo, error) { + data, err := utils.s3Client.Download(ctx, manifestKey) + if err != nil { + return nil, fmt.Errorf("failed to download manifest %s: %w", manifestKey, err) + } + + ocfReader, err := goavro.NewOCFReader(bytes.NewReader(data)) + if err != nil { + return nil, fmt.Errorf("failed to read manifest %s: %w", manifestKey, err) + } + + var parquetFiles []ParquetFileInfo + for ocfReader.Scan() { + record, err := ocfReader.Read() + if err != nil { + return nil, fmt.Errorf("failed to decode manifest %s: %w", manifestKey, err) + } + + recordMap, ok := record.(map[string]interface{}) + if !ok { + return nil, fmt.Errorf("unexpected manifest record in %s", manifestKey) + } + + dataFile, ok := recordMap["data_file"].(map[string]interface{}) + if !ok { + return nil, fmt.Errorf("manifest %s contains invalid data_file", manifestKey) + } + + filePath, ok := dataFile["file_path"].(string) + if !ok || filePath == "" { + return nil, fmt.Errorf("manifest %s contains invalid file_path", manifestKey) + } + + parquetFiles = append(parquetFiles, ParquetFileInfo{ + Path: filePath, + Size: avroInt64(dataFile["file_size_in_bytes"]), + RecordCount: avroInt64(dataFile["record_count"]), + Stats: ParquetFileStats{ + ColumnSizes: avroInt64Map(dataFile["column_sizes"]), + ValueCounts: avroInt64Map(dataFile["value_counts"]), + NullValueCounts: avroInt64Map(dataFile["null_value_counts"]), + LowerBounds: avroBytesMap(dataFile["lower_bounds"]), + UpperBounds: avroBytesMap(dataFile["upper_bounds"]), + SplitOffsets: avroInt64Slice(dataFile["split_offsets"]), + }, + }) + } + + return parquetFiles, nil +} + +func avroInt64(value interface{}) int64 { + switch v := value.(type) { + case int: + return int64(v) + case int32: + return int64(v) + case int64: + return v + case float64: + return int64(v) + default: + return 0 + } +} + +func avroInt64Map(value interface{}) map[int]int64 { + result := make(map[int]int64) + for _, entry := range avroArray(value) { + entryMap, ok := entry.(map[string]interface{}) + if !ok { + continue + } + result[int(avroInt64(entryMap["key"]))] = avroInt64(entryMap["value"]) + } + return result +} + +func avroBytesMap(value interface{}) map[int][]byte { + result := make(map[int][]byte) + for _, entry := range avroArray(value) { + entryMap, ok := entry.(map[string]interface{}) + if !ok { + continue + } + bytesValue, ok := entryMap["value"].([]byte) + if !ok { + continue + } + result[int(avroInt64(entryMap["key"]))] = bytesValue + } + return result +} + +func avroInt64Slice(value interface{}) []int64 { + values := avroArray(value) + result := make([]int64, 0, len(values)) + for _, value := range values { + result = append(result, avroInt64(value)) + } + return result +} + +func avroArray(value interface{}) []interface{} { + unionMap, ok := value.(map[string]interface{}) + if !ok { + return nil + } + array, ok := unionMap["array"].([]interface{}) + if !ok { + return nil + } + return array +} + +func (utils *StorageUtils) s3PathToKey(s3Path string) string { + prefix := fmt.Sprintf("s3://%s/", utils.config.S3Bucket) + return strings.TrimPrefix(s3Path, prefix) +} diff --git a/scripts/build-darwin.sh b/scripts/build-darwin.sh deleted file mode 100755 index 767e87a..0000000 --- a/scripts/build-darwin.sh +++ /dev/null @@ -1,36 +0,0 @@ -cd src -go build -o ../build/bemidb-darwin-arm64 - -create_dir_if_needed() { - local dir=$1 - if [ ! -d "$dir" ]; then - echo "Creating directory: $dir" - sudo mkdir -p "$dir" - sudo chmod 755 "$dir" - fi -} - -create_dir_if_needed "/usr/local/lib" -cd ../build -LIBCPP_OLD_PATH=$(otool -L ./bemidb-darwin-arm64 | grep -o '/.*/libc++\.1\.0\.dylib') -if [ -z "$LIBCPP_OLD_PATH" ]; then - echo "Error: Could not find libc++ dependency in binary" - exit 1 -fi -LIBCPP_NEW_PATH=/usr/local/lib/libc++.1.0.dylib -sudo cp $LIBCPP_OLD_PATH $LIBCPP_NEW_PATH - -LIBCPPABI_OLD_PATH=$(otool -L $LIBCPP_NEW_PATH | grep -o '/.*/libc++abi\.1\.dylib') -if [ -z "$LIBCPPABI_OLD_PATH" ]; then - echo "Error: Could not find libc++abi dependency" - exit 1 -fi -LIBCPPABI_NEW_PATH=/usr/local/lib/libc++abi.1.dylib -sudo cp $LIBCPPABI_OLD_PATH $LIBCPPABI_NEW_PATH - -sudo install_name_tool -change $LIBCPPABI_OLD_PATH $LIBCPPABI_NEW_PATH $LIBCPP_NEW_PATH -sudo install_name_tool -change $LIBCPP_OLD_PATH $LIBCPP_NEW_PATH ./bemidb-darwin-arm64 - -sudo cp $LIBCPP_NEW_PATH ./libc++.1.0.dylib -sudo cp $LIBCPPABI_NEW_PATH ./libc++abi.1.dylib -otool -L ./bemidb-darwin-arm64 diff --git a/scripts/build-linux.sh b/scripts/build-linux.sh deleted file mode 100755 index d7a9740..0000000 --- a/scripts/build-linux.sh +++ /dev/null @@ -1,28 +0,0 @@ -#!/bin/bash - -platforms=("linux/amd64" "linux/arm64") - -version=$(grep -E 'VERSION = "[^"]+"' src/config.go | sed -E 's/.*VERSION = "([^"]+)".*/\1/') -if [ -z "$version" ]; then - echo "Error: Could not extract version from config.go" - exit 1 -fi - -for platform in "${platforms[@]}" -do - os="${platform%/*}" - arch="${platform#*/}" - tag="ghcr.io/bemihq/bemidb:$version-$arch" - - echo "Building bemidb version $version for $os/$arch" - - docker buildx build \ - --build-arg PLATFORM=$platform \ - --build-arg GOOS=$os \ - --build-arg GOARCH="$arch" \ - -t $tag . - - docker create --name temp-container $tag - docker cp temp-container:/app/bemidb ./build/bemidb-$os-$arch - docker rm temp-container -done diff --git a/scripts/install.sh b/scripts/install.sh deleted file mode 100755 index 81dbbb1..0000000 --- a/scripts/install.sh +++ /dev/null @@ -1,43 +0,0 @@ -#!/bin/bash - -# Detect OS and architecture -OS=$(uname -s | tr '[:upper:]' '[:lower:]') -ARCH=$(uname -m) - -# Map architecture to Go naming convention -case $ARCH in - x86_64|amd64) - ARCH="amd64" - ;; - aarch64|arm64) - ARCH="arm64" - ;; - *) - echo "Unsupported architecture: $ARCH" - exit 1 - ;; -esac - -# Set the download URL and binary name -BINARY_NAME="bemidb-${OS}-${ARCH}" -DOWNLOAD_URL="https://github.com/BemiHQ/BemiDB/releases/latest/download/$BINARY_NAME" - -# Download the binary -echo "Downloading $DOWNLOAD_URL..." -curl -L "$DOWNLOAD_URL" -o ./bemidb - -if [ "$ARCH" = "arm64" ] && [ "$OS" = "darwin" ]; then - # Ensure /usr/local/lib exists - if [ ! -d "/usr/local/lib" ]; then - sudo mkdir -p /usr/local/lib - fi - - # Download the libc++ dynamic libraries for macOS (can't be statically linked) - curl -sL "https://github.com/BemiHQ/BemiDB/releases/latest/download/libc++.1.0.dylib" -o ./libc++.1.0.dylib - sudo mv ./libc++.1.0.dylib /usr/local/lib/libc++.1.0.dylib - curl -sL "https://github.com/BemiHQ/BemiDB/releases/latest/download/libc++abi.1.dylib" -o ./libc++abi.1.dylib - sudo mv ./libc++abi.1.dylib /usr/local/lib/libc++abi.1.dylib -fi - -# Make the binary executable -chmod +x ./bemidb diff --git a/scripts/publish-docker.sh b/scripts/publish-docker.sh deleted file mode 100755 index 488d3a8..0000000 --- a/scripts/publish-docker.sh +++ /dev/null @@ -1,27 +0,0 @@ -#!/bin/bash - -version=$(grep -E 'VERSION = "[^"]+"' src/config.go | sed -E 's/.*VERSION = "([^"]+)".*/\1/') -if [ -z "$version" ]; then - echo "Error: Could not extract version from config.go" - exit 1 -fi - -echo "Pushing bemidb version $version to ghcr.io" - -docker push ghcr.io/bemihq/bemidb:$version-amd64 -docker push ghcr.io/bemihq/bemidb:$version-arm64 - -docker manifest inspect ghcr.io/bemihq/bemidb:$version &> /dev/null && docker manifest rm ghcr.io/bemihq/bemidb:$version -docker manifest create ghcr.io/bemihq/bemidb:$version ghcr.io/bemihq/bemidb:$version-amd64 ghcr.io/bemihq/bemidb:$version-arm64 -docker manifest annotate ghcr.io/bemihq/bemidb:$version ghcr.io/bemihq/bemidb:$version-amd64 --arch amd64 -docker manifest annotate ghcr.io/bemihq/bemidb:$version ghcr.io/bemihq/bemidb:$version-arm64 --arch arm64 -docker manifest push ghcr.io/bemihq/bemidb:$version - -docker manifest inspect ghcr.io/bemihq/bemidb:latest &> /dev/null && docker manifest rm ghcr.io/bemihq/bemidb:latest -docker manifest create ghcr.io/bemihq/bemidb:latest ghcr.io/bemihq/bemidb:$version-amd64 ghcr.io/bemihq/bemidb:$version-arm64 -docker manifest annotate ghcr.io/bemihq/bemidb:latest ghcr.io/bemihq/bemidb:$version-amd64 --arch amd64 -docker manifest annotate ghcr.io/bemihq/bemidb:latest ghcr.io/bemihq/bemidb:$version-arm64 --arch arm64 -docker manifest push ghcr.io/bemihq/bemidb:latest - -echo -echo "See https://github.com/orgs/BemiHQ/packages/container/package/bemidb" diff --git a/scripts/test-data-types.sql b/scripts/test-data-types.sql deleted file mode 100644 index 85be940..0000000 --- a/scripts/test-data-types.sql +++ /dev/null @@ -1,190 +0,0 @@ --- Usage: psql postgres://127.0.0.1:5432/dbname -P pager=off -v ON_ERROR_STOP=on -f ./scripts/test-data-types.sql - -DROP TABLE IF EXISTS test_table; -DROP TYPE IF EXISTS address; - -CREATE EXTENSION IF NOT EXISTS ltree; - -CREATE TYPE address AS ( - city VARCHAR(50) -); - -CREATE TABLE test_table ( - id SERIAL PRIMARY KEY, - bit_column BIT, - bool_column BOOLEAN, - bpchar_column BPCHAR(10), - varchar_column VARCHAR(255), - text_column TEXT, - int2_column INT2, - int4_column INT4, - int8_column INT8, - hugeint_column NUMERIC(20, 0), - xid_column XID, - xid8_column XID8, - float4_column FLOAT4, - float8_column FLOAT8, - numeric_column NUMERIC(40, 2), - numeric_column_without_precision NUMERIC, - date_column DATE, - time_column TIME, - timeMsColumn TIME(3), - timetz_column TIMETZ, - timetz_ms_column TIMETZ(3), - timestamp_column TIMESTAMP, - timestamp_ms_column TIMESTAMP(3), - timestamptz_column TIMESTAMPTZ, - timestamptz_ms_column TIMESTAMPTZ(3), - uuid_column UUID, - bytea_column BYTEA, - interval_column INTERVAL, - point_column POINT, - inet_column INET, - json_column JSON, - jsonb_column JSONB, - tsvector_column TSVECTOR, - xml_column XML, - pg_snapshot_column PG_SNAPSHOT, - array_text_column TEXT[], - array_int_column INT[], - array_jsonb_column JSONB[], - array_ltree_column LTREE[], - user_defined_column address -); - -INSERT INTO test_table ( - bit_column, - bool_column, - bpchar_column, - varchar_column, - text_column, - int2_column, - int4_column, - int8_column, - hugeint_column, - xid_column, - xid8_column, - float4_column, - float8_column, - numeric_column, - numeric_column_without_precision, - date_column, - time_column, - timeMsColumn, - timetz_column, - timetz_ms_column, - timestamp_column, - timestamp_ms_column, - timestamptz_column, - timestamptz_ms_column, - uuid_column, - bytea_column, - interval_column, - point_column, - inet_column, - json_column, - jsonb_column, - tsvector_column, - xml_column, - pg_snapshot_column, - array_text_column, - array_int_column, - array_jsonb_column, - array_ltree_column, - user_defined_column -) VALUES ( - B'1', -- bit_column - TRUE, -- bool_column - 'bpchar', -- bpchar_column - 'varchar', -- varchar_column - 'text', -- text_column - 32767::INT2, -- int2_column - 2147483647::INT4, -- int4_column - 9223372036854775807::INT8, -- int8_column - 10000000000000000000, -- hugeint_column - '4294967295'::XID, -- xid_column - '18446744073709551615'::XID8, -- xid8_column - 3.14::FLOAT4, -- float4_column - 3.141592653589793::FLOAT8, -- float8_column - 12345.67::NUMERIC(10, 2), -- numeric_column - 12345.67, -- numeric_column_without_precision - '2024-01-01', -- date_column - '12:00:00.123456', -- time_column - '12:00:00.123', -- timeMsColumn - '12:00:00.123456-05', -- timetz_column - '12:00:00.123-05', -- timetz_ms_column - '2024-01-01 12:00:00.123456', -- timestamp_column - '2024-01-01 12:00:00.123', -- timestamp_ms_column - '2024-01-01 12:00:00.123456-05', -- timestamptz_column - '2024-01-01 12:00:00.123-05', -- timestamptz_ms_column - '58a7c845-af77-44b2-8664-7ca613d92f04', -- uuid_column - decode('48656c6c6f', 'hex'), -- bytea_column - '1 mon 2 days 01:00:01.000001'::INTERVAL, -- interval_column - '(1, 2)'::POINT, -- point_column - '192.168.0.1', -- inet_column - '{"key": "value"}'::JSON, -- json_column - '{"key": "value"}'::JSONB, -- jsonb_column - to_tsvector('Sample text for tsvector'), -- tsvector_column - 'text', -- xml_column - pg_current_snapshot(), -- pg_snapshot_column - '{"one", "two", "three"}', -- array_text_column - '{1, 2, 3}', -- array_int_column - '{"{\"key\": \"value1\"}", "{\"key\": \"value2\"}"}'::JSONB[], -- array_jsonb_column - '{"a.b", "c.d"}'::LTREE[], -- array_ltree_column - ROW('Toronto') -- user_defined_column -), ( - NULL, -- bit_column - FALSE, -- bool_column - '', -- bpchar_column - NULL, -- varchar_column - '', -- text_column - -32767::INT2, -- int2_column - NULL, -- int4_column - -9223372036854775807::INT8, -- int8_column - NULL, -- hugeint_column - NULL, -- xid_column - NULL, -- xid8_column - 'NaN', -- float4_column - -3.141592653589793::FLOAT8, -- float8_column - -12345.00::NUMERIC(10, 2), -- numeric_column - NULL, -- numeric_column_without_precision - '20025-11-12', -- date_column - '12:00:00.123', -- time_column - NULL, -- timeMsColumn - '12:00:00.12300+05', -- timetz_column - '12:00:00.1+05', -- timetz_ms_column - '2024-01-01 12:00:00', -- timestamp_column - NULL, -- timestamp_ms_column - '2024-01-01 12:00:00.000123+05', -- timestamptz_column - '2024-01-01 12:00:00.12+05', -- timestamptz_ms_column - NULL, -- uuid_column - NULL, -- bytea_column - NULL, -- interval_column - NULL, -- point_column - NULL, -- inet_column - NULL, -- json_column - '{}'::JSONB, -- jsonb_column - NULL, -- tsvector_column - NULL, -- xml_column - NULL, -- pg_snapshot_column - NULL, -- array_text_column - '{}', -- array_int_column - NULL, -- array_jsonb_column - NULL, -- array_ltree_column - NULL -- user_defined_column -); - -SELECT - table_schema, - table_name, - column_name, - data_type, - udt_name, - is_nullable, - character_maximum_length, - numeric_precision, - numeric_scale, - datetime_precision -FROM information_schema.columns -WHERE table_schema = 'public' -ORDER BY table_schema, table_name, ordinal_position; diff --git a/scripts/test-partitioned-tables.sql b/scripts/test-partitioned-tables.sql deleted file mode 100644 index 2109005..0000000 --- a/scripts/test-partitioned-tables.sql +++ /dev/null @@ -1,19 +0,0 @@ --- Usage: psql postgres://127.0.0.1:5432/dbname -P pager=off -v ON_ERROR_STOP=on -f ./scripts/test-partitioned-tables.sql - -DROP TABLE IF EXISTS test_table; - -CREATE TABLE test_table ( - id SERIAL, - created_at TIMESTAMP NOT NULL -) PARTITION BY RANGE (created_at); - -CREATE TABLE test_table_q1 PARTITION OF test_table FOR VALUES FROM ('2024-01-01') TO ('2024-04-01'); -CREATE TABLE test_table_q2 PARTITION OF test_table FOR VALUES FROM ('2024-04-01') TO ('2024-07-01'); -CREATE TABLE test_table_q3 PARTITION OF test_table FOR VALUES FROM ('2024-07-01') TO ('2024-10-01'); -CREATE TABLE test_table_q4 PARTITION OF test_table FOR VALUES FROM ('2024-10-01') TO ('2025-01-01'); - -INSERT INTO test_table (created_at) VALUES - ('2024-02-15 10:00:00'), - ('2024-09-01 12:00:30'), - ('2024-10-12 08:00:00'), - ('2024-05-20 14:30:00'); diff --git a/scripts/test-schemas.sql b/scripts/test-schemas.sql deleted file mode 100644 index 734442c..0000000 --- a/scripts/test-schemas.sql +++ /dev/null @@ -1,30 +0,0 @@ --- Usage: psql postgres://127.0.0.1:5432/dbname -P pager=off -v ON_ERROR_STOP=on -f ./scripts/test-schemas.sql - -DROP SCHEMA IF EXISTS test_schema CASCADE; - -CREATE SCHEMA test_schema; - -CREATE TABLE test_schema.test_table ( - id SERIAL PRIMARY KEY -); - -CREATE TABLE test_schema.simple_table ( - id SERIAL PRIMARY KEY -); - -INSERT INTO test_schema.simple_table DEFAULT VALUES; - -SELECT - table_schema, - table_name, - column_name, - data_type, - udt_name, - is_nullable, - character_maximum_length, - numeric_precision, - numeric_scale, - datetime_precision -FROM information_schema.columns -WHERE table_schema = 'test_schema' -ORDER BY table_schema, table_name, ordinal_position; diff --git a/server/authentication.go b/server/authentication.go new file mode 100644 index 0000000..0aac928 --- /dev/null +++ b/server/authentication.go @@ -0,0 +1,97 @@ +package main + +import ( + "encoding/base64" + "errors" + "strconv" + "strings" + "time" + + "github.com/jackc/pgx/v5/pgproto3" + "github.com/xdg-go/scram" +) + +func (server *PostgresServer) authenticatePassword() error { + if server.config.EncryptedPassword == "" { + return nil + } + failure := func() error { + return NewClientError(PG_ERROR_SEVERITY_FATAL, "28P01", "password authentication failed", errors.New("password authentication failed")) + } + credentials, err := scramCredentials(server.config.EncryptedPassword) + if err != nil { + return failure() + } + verifier, err := scram.SHA256.NewServer(func(_ string) (scram.StoredCredentials, error) { return credentials, nil }) + if err != nil { + return failure() + } + conversation := verifier.NewConversation() + if err := (*server.conn).SetDeadline(time.Now().Add(10 * time.Second)); err != nil { + return err + } + defer (*server.conn).SetDeadline(time.Time{}) + if err := server.backend.SetAuthType(pgproto3.AuthTypeSASL); err != nil { + return err + } + server.writeMessages(&pgproto3.AuthenticationSASL{AuthMechanisms: []string{"SCRAM-SHA-256"}}) + message, err := server.backend.Receive() + if err != nil { + return failure() + } + initial, ok := message.(*pgproto3.SASLInitialResponse) + if !ok || initial.AuthMechanism != "SCRAM-SHA-256" { + return failure() + } + challenge, err := conversation.Step(string(initial.Data)) + if err != nil { + return failure() + } + if err := server.backend.SetAuthType(pgproto3.AuthTypeSASLContinue); err != nil { + return err + } + server.writeMessages(&pgproto3.AuthenticationSASLContinue{Data: []byte(challenge)}) + message, err = server.backend.Receive() + if err != nil { + return failure() + } + response, ok := message.(*pgproto3.SASLResponse) + if !ok { + return failure() + } + final, err := conversation.Step(string(response.Data)) + if err != nil || !conversation.Done() || !conversation.Valid() { + return failure() + } + server.writeMessages(&pgproto3.AuthenticationSASLFinal{Data: []byte(final)}) + return nil +} + +func scramCredentials(secret string) (scram.StoredCredentials, error) { + invalid := errors.New("invalid SCRAM verifier") + parts := strings.Split(secret, "$") + if len(parts) != 3 || parts[0] != "SCRAM-SHA-256" { + return scram.StoredCredentials{}, invalid + } + factors, keys := strings.Split(parts[1], ":"), strings.Split(parts[2], ":") + if len(factors) != 2 || len(keys) != 2 { + return scram.StoredCredentials{}, invalid + } + iterations, err := strconv.Atoi(factors[0]) + if err != nil || iterations <= 0 { + return scram.StoredCredentials{}, invalid + } + salt, err := base64.StdEncoding.DecodeString(factors[1]) + if err != nil || len(salt) == 0 { + return scram.StoredCredentials{}, invalid + } + stored, err := base64.StdEncoding.DecodeString(keys[0]) + if err != nil || len(stored) != 32 { + return scram.StoredCredentials{}, invalid + } + key, err := base64.StdEncoding.DecodeString(keys[1]) + if err != nil || len(key) != 32 { + return scram.StoredCredentials{}, invalid + } + return scram.StoredCredentials{KeyFactors: scram.KeyFactors{Salt: string(salt), Iters: iterations}, StoredKey: stored, ServerKey: key}, nil +} diff --git a/server/authentication_test.go b/server/authentication_test.go new file mode 100644 index 0000000..3c5e316 --- /dev/null +++ b/server/authentication_test.go @@ -0,0 +1,107 @@ +package main + +import ( + "context" + "net" + "testing" + "time" + + "github.com/jackc/pgx/v5/pgconn" + "github.com/jackc/pgx/v5/pgproto3" +) + +func TestStandaloneAuthentication(t *testing.T) { + configureStandaloneTest(t) + for _, test := range []struct { + name, password string + accepted bool + }{ + {"correct", "correct-password", true}, + {"wrong", "wrong-password", false}, + {"empty", "", false}, + } { + t.Run(test.name, func(t *testing.T) { + listener, err := net.Listen("tcp", "127.0.0.1:0") + if err != nil { + t.Fatal(err) + } + defer listener.Close() + done := make(chan error, 1) + go func() { + conn, err := listener.Accept() + if err != nil { + done <- err + return + } + defer conn.Close() + config := &Config{Database: "pgstack", User: "reader", EncryptedPassword: StringToScramSha256("correct-password")} + server := NewPostgresServer(config, &conn) + done <- server.handleStartup() + }() + config, err := pgconn.ParseConfig("postgres://reader@" + listener.Addr().String() + "/pgstack?sslmode=disable") + if err != nil { + t.Fatal(err) + } + config.Password = test.password + ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + conn, err := pgconn.ConnectConfig(ctx, config) + if conn != nil { + conn.Close(ctx) + } + if (err == nil) != test.accepted { + t.Fatalf("accepted=%v, error=%v", test.accepted, err) + } + serverErr := <-done + if (serverErr == nil) != test.accepted { + t.Fatalf("server error=%v", serverErr) + } + }) + } +} + +func TestStandaloneNoPasswordPacketCannotBypassChallenge(t *testing.T) { + configureStandaloneTest(t) + serverConn, clientConn := net.Pipe() + defer clientConn.Close() + clientConn.SetDeadline(time.Now().Add(5 * time.Second)) + done := make(chan error, 1) + go func() { + defer serverConn.Close() + server := NewPostgresServer(&Config{Database: "pgstack", EncryptedPassword: StringToScramSha256("secret")}, &serverConn) + done <- server.handleStartup() + }() + frontend := pgproto3.NewFrontend(clientConn, clientConn) + frontend.Send(&pgproto3.StartupMessage{ProtocolVersion: 196608, Parameters: map[string]string{"database": "pgstack", "user": "reader"}}) + if err := frontend.Flush(); err != nil { + t.Fatal(err) + } + message, err := frontend.Receive() + if err != nil { + t.Fatal(err) + } + if _, ok := message.(*pgproto3.AuthenticationSASL); !ok { + t.Fatalf("expected password challenge, got %T", message) + } + frontend.Send(&pgproto3.Query{String: "SELECT 1"}) + if err := frontend.Flush(); err != nil { + t.Fatal(err) + } + message, err = frontend.Receive() + if err != nil { + t.Fatal(err) + } + if response, ok := message.(*pgproto3.ErrorResponse); !ok || response.Code != "28P01" { + t.Fatalf("expected authentication failure, got %#v", message) + } + if err := <-done; err == nil { + t.Fatal("startup bypassed authentication") + } +} + +func TestStandaloneHasNoSpecialUser(t *testing.T) { + configureStandaloneTest(t) + if startupUserAllowed(&Config{User: "reader"}, "pgstack") { + t.Fatal("unexpected privileged user") + } +} diff --git a/server/client_error.go b/server/client_error.go new file mode 100644 index 0000000..f0f4aa7 --- /dev/null +++ b/server/client_error.go @@ -0,0 +1,41 @@ +package main + +const ( + PG_ERROR_SEVERITY_ERROR = "ERROR" + PG_ERROR_SEVERITY_FATAL = "FATAL" + + PG_ERROR_CODE_INTERNAL_ERROR = "XX000" + PG_ERROR_CODE_INVALID_CATALOG_NAME = "3D000" + PG_ERROR_CODE_INVALID_AUTHORIZATION_SPECIFICATION = "28000" + PG_ERROR_CODE_SYNTAX_ERROR = "42601" + PG_ERROR_CODE_FEATURE_NOT_SUPPORTED = "0A000" + PG_ERROR_CODE_PROTOCOL_VIOLATION = "08P01" + PG_ERROR_CODE_INVALID_PARAMETER_VALUE = "22023" +) + +type ClientError struct { + Severity string + Code string + Message string + cause error +} + +func NewClientError(severity, code, message string, cause error) *ClientError { + return &ClientError{ + Severity: severity, + Code: code, + Message: message, + cause: cause, + } +} + +func (clientError *ClientError) Error() string { + if clientError.cause != nil { + return clientError.cause.Error() + } + return clientError.Message +} + +func (clientError *ClientError) Unwrap() error { + return clientError.cause +} diff --git a/server/client_error_test.go b/server/client_error_test.go new file mode 100644 index 0000000..6edcd56 --- /dev/null +++ b/server/client_error_test.go @@ -0,0 +1,74 @@ +package main + +import ( + "errors" + "net" + "testing" + + "github.com/jackc/pgx/v5/pgproto3" +) + +func TestClientErrorKeepsPrivateCauseForLogging(t *testing.T) { + cause := errors.New("private s3://bucket/path/file.parquet error") + err := NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_INTERNAL_ERROR, "safe message", cause) + + if err.Error() != cause.Error() { + t.Fatalf("logged error = %q, want %q", err.Error(), cause.Error()) + } + if !errors.Is(err, cause) { + t.Fatal("client error does not unwrap to its private cause") + } +} + +func TestWriteErrorUsesExplicitClientError(t *testing.T) { + clientError := NewClientError( + PG_ERROR_SEVERITY_FATAL, + PG_ERROR_CODE_INVALID_AUTHORIZATION_SPECIFICATION, + `role "postgres" does not exist`, + errors.New("private authentication details"), + ) + + response := writeAndReadErrorResponse(t, clientError, false) + if response.Severity != clientError.Severity || response.Code != clientError.Code || response.Message != clientError.Message { + t.Fatalf("response = %+v, want severity=%s code=%s message=%q", response, clientError.Severity, clientError.Code, clientError.Message) + } +} + +func TestWriteErrorHidesInternalError(t *testing.T) { + response := writeAndReadErrorResponse(t, errors.New("private s3://bucket/path/file.parquet error"), true) + if response.Severity != PG_ERROR_SEVERITY_ERROR || response.Code != PG_ERROR_CODE_INTERNAL_ERROR || response.Message != CLIENT_ERROR_MESSAGE { + t.Fatalf("response = %+v, want generic internal error", response) + } +} + +func writeAndReadErrorResponse(t *testing.T, err error, expectReadyForQuery bool) *pgproto3.ErrorResponse { + t.Helper() + serverConn, clientConn := net.Pipe() + t.Cleanup(func() { + serverConn.Close() + clientConn.Close() + }) + server := NewPostgresServer(&Config{}, &serverConn) + written := make(chan struct{}) + go func() { + server.writeError(err) + close(written) + }() + + frontend := pgproto3.NewFrontend(clientConn, clientConn) + message, receiveErr := frontend.Receive() + if receiveErr != nil { + t.Fatalf("receive error response: %v", receiveErr) + } + response, ok := message.(*pgproto3.ErrorResponse) + if !ok { + t.Fatalf("message type = %T, want *pgproto3.ErrorResponse", message) + } + if expectReadyForQuery { + if _, receiveErr := frontend.Receive(); receiveErr != nil { + t.Fatalf("receive ready-for-query response: %v", receiveErr) + } + } + <-written + return response +} diff --git a/server/config.go b/server/config.go new file mode 100644 index 0000000..2f38929 --- /dev/null +++ b/server/config.go @@ -0,0 +1,156 @@ +package main + +import ( + "flag" + "os" + "slices" + "strconv" + "strings" +) + +const ( + VERSION = "2.0.0" + + ENV_LOG_LEVEL = "LOG_LEVEL" + ENV_AUDIT_ENABLED = "AUDIT_ENABLED" + + ENV_AWS_REGION = "AWS_REGION" + ENV_AWS_S3_ENDPOINT = "AWS_S3_ENDPOINT" + ENV_AWS_S3_BUCKET = "AWS_S3_BUCKET" + ENV_AWS_ACCESS_KEY_ID = "AWS_ACCESS_KEY_ID" + ENV_AWS_SECRET_ACCESS_KEY = "AWS_SECRET_ACCESS_KEY" + + ENV_PORT = "PGSTACK_PORT" + ENV_DATABASE = "PGSTACK_DATABASE" + ENV_USER = "PGSTACK_USER" + ENV_PASSWORD = "PGSTACK_PASSWORD" + ENV_HOST = "PGSTACK_HOST" + ENV_DUCKDB_MEMORY_LIMIT = "DUCKDB_MEMORY_LIMIT" + ENV_OPENAI_API_KEY = "OPENAI_API_KEY" + + DEFAULT_LOG_LEVEL = "INFO" + DEFAULT_AWS_S3_ENDPOINT = "s3.amazonaws.com" + DEFAULT_HOST = "0.0.0.0" + DEFAULT_PORT = "54321" + DEFAULT_DATABASE = "pgstack" + DEFAULT_DUCKDB_MEMORY_LIMIT = "512MB" +) + +type Config struct { + // AWS config + AwsRegion string + AwsS3Endpoint string + AwsS3Bucket string + AwsAccessKeyId string + AwsSecretAccessKey string + + // Server config + LogLevel string + AuditEnabled bool + AuditBasePath string + Host string + Port string + Database string + User string + EncryptedPassword string + DuckDBMemoryLimit string + SearchBasePath string + SearchTablesJSON string + OpenAIAPIKey string +} + +type configParseValues struct { + password string +} + +var _config Config +var _configParseValues configParseValues + +func init() { + registerFlags() +} + +func registerFlags() { + flag.StringVar(&_config.LogLevel, "log-level", os.Getenv(ENV_LOG_LEVEL), `Log level: "ERROR", "WARN", "INFO", "DEBUG", "TRACE". Default: "`+DEFAULT_LOG_LEVEL+`"`) + flag.BoolVar(&_config.AuditEnabled, "audit-enabled", getEnvBool(ENV_AUDIT_ENABLED, true), "Enable Audit and Iceberg support") + flag.StringVar(&_config.AwsRegion, "aws-region", os.Getenv(ENV_AWS_REGION), "AWS region") + flag.StringVar(&_config.AwsS3Endpoint, "aws-s3-endpoint", os.Getenv(ENV_AWS_S3_ENDPOINT), "AWS S3 endpoint. Default: \""+DEFAULT_AWS_S3_ENDPOINT+`"`) + flag.StringVar(&_config.AwsS3Bucket, "aws-s3-bucket", os.Getenv(ENV_AWS_S3_BUCKET), "AWS S3 bucket name") + flag.StringVar(&_config.AwsAccessKeyId, "aws-access-key-id", os.Getenv(ENV_AWS_ACCESS_KEY_ID), "AWS access key ID") + flag.StringVar(&_config.AwsSecretAccessKey, "aws-secret-access-key", os.Getenv(ENV_AWS_SECRET_ACCESS_KEY), "AWS secret access key") + + flag.StringVar(&_config.AuditBasePath, "audit-base-path", os.Getenv("AUDIT_BASE_PATH"), "Base path in S3 for Iceberg tables") + flag.StringVar(&_config.Host, "host", os.Getenv(ENV_HOST), "Host for pgstack to listen on") + flag.StringVar(&_config.Port, "port", os.Getenv(ENV_PORT), "Port for pgstack to listen on") + flag.StringVar(&_config.Database, "database", os.Getenv(ENV_DATABASE), "Database name") + flag.StringVar(&_config.User, "user", os.Getenv(ENV_USER), "Database user") + flag.StringVar(&_configParseValues.password, "password", os.Getenv(ENV_PASSWORD), "Database password") + flag.StringVar(&_config.DuckDBMemoryLimit, "duckdb-memory-limit", os.Getenv(ENV_DUCKDB_MEMORY_LIMIT), "DuckDB memory limit. Default: \""+DEFAULT_DUCKDB_MEMORY_LIMIT+`"`) + flag.StringVar(&_config.SearchBasePath, "search-base-path", os.Getenv("SEARCH_BASE_PATH"), "Base path in S3 for Lance tables") + flag.StringVar(&_config.SearchTablesJSON, "search-tables-json", os.Getenv("SEARCH_TABLES_JSON"), "Search table configuration as JSON") + flag.StringVar(&_config.OpenAIAPIKey, "openai-api-key", os.Getenv(ENV_OPENAI_API_KEY), "OpenAI API key used by search rank") +} + +func parseFlags() { + flag.Parse() + + if _config.LogLevel == "" { + _config.LogLevel = DEFAULT_LOG_LEVEL + } else if !slices.Contains(LOG_LEVELS, _config.LogLevel) { + panic("Invalid log level " + _config.LogLevel + ". Must be one of " + strings.Join(LOG_LEVELS, ", ")) + } + if _config.AwsRegion == "" { + panic("AWS region is required") + } + if _config.AwsS3Endpoint == "" { + _config.AwsS3Endpoint = DEFAULT_AWS_S3_ENDPOINT + } + if _config.AwsS3Bucket == "" { + panic("AWS S3 bucket name is required") + } + if _config.AwsAccessKeyId != "" && _config.AwsSecretAccessKey == "" { + panic("AWS secret access key is required") + } + if _config.AwsAccessKeyId == "" && _config.AwsSecretAccessKey != "" { + panic("AWS access key ID is required") + } + + if _config.Host == "" { + panic("Host is required") + } + if _config.Port == "" { + _config.Port = DEFAULT_PORT + } + if _config.Database == "" { + _config.Database = DEFAULT_DATABASE + } + if _configParseValues.password != "" { + _config.EncryptedPassword = StringToScramSha256(_configParseValues.password) + } + if _config.DuckDBMemoryLimit == "" { + _config.DuckDBMemoryLimit = DEFAULT_DUCKDB_MEMORY_LIMIT + } + if _config.AuditEnabled && _config.AuditBasePath == "" { + panic("Audit base path is required when Audit is enabled") + } + + validateRuntimeConfig(&_config) + _configParseValues = configParseValues{} +} + +func LoadConfig() *Config { + parseFlags() + return &_config +} + +func getEnvBool(key string, defaultValue bool) bool { + value := strings.TrimSpace(os.Getenv(key)) + if value == "" { + return defaultValue + } + parsed, err := strconv.ParseBool(value) + if err != nil { + panic("Invalid boolean " + key + ": " + value) + } + return parsed +} diff --git a/server/duckdb_boot_test.go b/server/duckdb_boot_test.go new file mode 100644 index 0000000..839555b --- /dev/null +++ b/server/duckdb_boot_test.go @@ -0,0 +1,52 @@ +package main + +import ( + "slices" + "testing" +) + +func TestDuckdbBootQueriesEnableExternalFileCaches(t *testing.T) { + queries := duckdbBootQueris(&Config{}) + + for _, query := range []string{ + "SET parquet_metadata_cache=true", + "SET enable_external_file_cache=true", + } { + if !slices.Contains(queries, query) { + t.Fatalf("boot queries do not contain %q", query) + } + } +} + +func TestDuckdbBootQueriesLoadIcebergOnlyForAudit(t *testing.T) { + withoutAudit := duckdbBootQueris(&Config{AuditEnabled: false}) + for _, query := range []string{"INSTALL iceberg", "LOAD iceberg"} { + if slices.Contains(withoutAudit, query) { + t.Fatalf("Search-only boot queries contain %q", query) + } + } + + withAudit := duckdbBootQueris(&Config{AuditEnabled: true}) + for _, query := range []string{"INSTALL iceberg", "LOAD iceberg"} { + if !slices.Contains(withAudit, query) { + t.Fatalf("Audit boot queries do not contain %q", query) + } + } +} + +func TestDuckdbBootQueriesAttachSearchReadWrite(t *testing.T) { + queries := duckdbBootQueris(&Config{ + AwsS3Bucket: "bucket", + SearchBasePath: "project/search", + SearchTablesJSON: `[{"name":"public.documents","storeColumns":["id","body"],"indexColumns":["body"]}]`, + }) + for _, query := range []string{ + "ATTACH 's3://bucket/project/search' AS search_store (TYPE LANCE, READ_WRITE)", + "CREATE SCHEMA search", + `CREATE TABLE search."public_documents" ("id" VARCHAR, "body" VARCHAR)`, + } { + if !slices.Contains(queries, query) { + t.Fatalf("Search boot queries do not contain %q", query) + } + } +} diff --git a/server/duckdb_client.go b/server/duckdb_client.go new file mode 100644 index 0000000..0b7c5a8 --- /dev/null +++ b/server/duckdb_client.go @@ -0,0 +1,210 @@ +package main + +import ( + "context" + "database/sql" + "database/sql/driver" + "fmt" + "strings" + "sync/atomic" + + "github.com/duckdb/duckdb-go/v2" +) + +type DuckdbClient struct { + Config *Config + Db *sql.DB + Connector *duckdb.Connector + BootQueries []string +} + +func NewDuckdbClient(config *Config, bootQueries ...[]string) (*DuckdbClient, error) { + client := &DuckdbClient{Config: config} + + client.BootQueries = []string{ + "SET timezone='UTC'", + } + if bootQueries != nil { + client.BootQueries = append(client.BootQueries, bootQueries[0]...) + } + + client.BootQueries = append( + client.BootQueries, + duckdbS3SecretQuery(config), + ) + if config.LogLevel == LOG_LEVEL_TRACE { + client.BootQueries = append(client.BootQueries, "CALL enable_logging('HTTP')", "SET logging_storage = 'stdout'") + } + + db, connector, err := client.openDatabase() + if err != nil { + return nil, err + } + client.Db = db + client.Connector = connector + return client, nil +} + +// openDatabase boots a shared in-memory database, then initializes session +// settings on each new connection. Schemas and secrets are created only once. +func (client *DuckdbClient) openDatabase() (*sql.DB, *duckdb.Connector, error) { + ctx := context.Background() + var sessionQueries []string + for _, query := range client.BootQueries { + if strings.HasPrefix(query, "SET ") || strings.HasPrefix(query, "USE ") { + sessionQueries = append(sessionQueries, query) + } + } + var booted atomic.Bool + connector, err := duckdb.NewConnector("", func(execer driver.ExecerContext) error { + // The boot connection runs all queries in order. Replaying USE before + // boot has created its schema would fail. + if !booted.Load() { + return nil + } + for _, query := range sessionQueries { + if _, err := execer.ExecContext(ctx, query, nil); err != nil { + return fmt.Errorf("failed to initialize DuckDB session: %w", err) + } + } + return nil + }) + if err != nil { + return nil, nil, fmt.Errorf("failed to create DuckDB connector: %w", err) + } + db := sql.OpenDB(connector) + for _, query := range client.BootQueries { + if _, err := db.ExecContext(ctx, query); err != nil { + db.Close() + connector.Close() + return nil, nil, fmt.Errorf("failed to execute DuckDB boot query: %w", err) + } + } + booted.Store(true) + + if client.Config.SearchTablesJSON != "" && client.Config.SearchTablesJSON != "[]" { + // Lance caches dataset handles per connection. The processor commits + // through a separate process; an early read can pin an empty snapshot + // even after rows arrive. Closing connections when their results are + // released makes the next query open the latest committed version. + // The shared database, catalog, and secrets remain alive. + db.SetMaxIdleConns(0) + } + return db, connector, nil +} + +func duckdbS3SecretQuery(config *Config) string { + // DuckDB adds the protocol to S3 secret endpoints. + s3Endpoint := strings.TrimPrefix(config.AwsS3Endpoint, "http://") + s3Endpoint = strings.TrimPrefix(s3Endpoint, "https://") + + options := []string{ + "TYPE S3", + "KEY_ID '" + config.AwsAccessKeyId + "'", + "SECRET '" + config.AwsSecretAccessKey + "'", + "REGION '" + config.AwsRegion + "'", + "ENDPOINT '" + s3Endpoint + "'", + "SCOPE 's3://" + config.AwsS3Bucket + "'", + } + if IsLocalHost(config.AwsS3Endpoint) { + options = append(options, "USE_SSL false") + } + if config.AwsS3Endpoint != DEFAULT_AWS_S3_ENDPOINT { + // Use endpoint/bucket/key instead of bucket.endpoint/key. + options = append(options, "URL_STYLE 'path'") + } + + return "CREATE OR REPLACE SECRET aws_s3_secret (" + strings.Join(options, ", ") + ")" +} + +func duckdbLanceSecretQuery(config *Config) string { + options := []string{ + "TYPE LANCE", + "PROVIDER config", + "SCOPE 's3://" + config.AwsS3Bucket + "/'", + "ACCESS_KEY_ID '" + config.AwsAccessKeyId + "'", + "SECRET_ACCESS_KEY '" + config.AwsSecretAccessKey + "'", + "REGION '" + config.AwsRegion + "'", + } + if IsLocalHost(config.AwsS3Endpoint) { + options = append(options, + "ENDPOINT '"+config.AwsS3Endpoint+"'", + "VIRTUAL_HOSTED_STYLE_REQUEST false", + "ALLOW_HTTP true", + ) + } + return "CREATE OR REPLACE SECRET pgstack_lance (" + strings.Join(options, ", ") + ")" +} + +func (client *DuckdbClient) QueryContext(ctx context.Context, query string, args ...any) (*sql.Rows, error) { + LogDebug(client.Config, "Querying DuckDB:", query) + return client.Db.QueryContext(ctx, query, args...) +} + +func (client *DuckdbClient) PrepareContext(ctx context.Context, query string) (*sql.Stmt, error) { + LogDebug(client.Config, "Preparing DuckDB statement:", query) + return client.Db.PrepareContext(ctx, query) +} + +func (client *DuckdbClient) ExecContext(ctx context.Context, query string, args ...map[string]string) (sql.Result, error) { + LogDebug(client.Config, "Executing DuckDB:", query) + if len(args) == 0 { + return client.Db.ExecContext(ctx, query) + } + + return client.Db.ExecContext(ctx, replaceNamedStringArgs(query, args[0])) +} + +func (client *DuckdbClient) ExecTransactionContext(ctx context.Context, queries []string, args ...[]map[string]string) error { + tx, err := client.Db.Begin() + LogDebug(client.Config, "Executing DuckDB: BEGIN") + if err != nil { + return err + } + + for i, query := range queries { + LogDebug(client.Config, "Executing DuckDB in transaction:", query) + var err error + if len(args) == 0 { + _, err = tx.ExecContext(ctx, query) + } else { + _, err = tx.ExecContext(ctx, replaceNamedStringArgs(query, args[0][i])) + } + if err != nil { + tx.Rollback() + return err + } + } + + LogDebug(client.Config, "Executing DuckDB: COMMIT") + return tx.Commit() +} + +func (client *DuckdbClient) Close() { + client.Db.Close() + client.Connector.Close() +} + +func (client *DuckdbClient) RecreateDb() error { + db, connector, err := client.openDatabase() + if err != nil { + return fmt.Errorf("failed to recreate DuckDB: %w", err) + } + + client.Db.Close() + client.Connector.Close() + client.Db = db + client.Connector = connector + return nil +} + +func replaceNamedStringArgs(query string, args map[string]string) string { + for key, value := range args { + query = strings.ReplaceAll( + query, + "$"+key, + strings.ReplaceAll(value, "'", "''"), + ) + } + return query +} diff --git a/server/duckdb_client_test.go b/server/duckdb_client_test.go new file mode 100644 index 0000000..e3693e9 --- /dev/null +++ b/server/duckdb_client_test.go @@ -0,0 +1,100 @@ +package main + +import ( + "context" + "database/sql" + "fmt" + "strings" + "testing" +) + +func TestSearchReaderSeesExternalCommits(t *testing.T) { + ctx := context.Background() + writer, err := sql.Open("duckdb", "") + if err != nil { + t.Fatal(err) + } + defer writer.Close() + if _, err := writer.ExecContext(ctx, "LOAD lance"); err != nil { + t.Skipf("Lance extension unavailable: %v", err) + } + root := strings.ReplaceAll(t.TempDir(), "'", "''") + for _, query := range []string{ + fmt.Sprintf("ATTACH '%s' AS search_store (TYPE LANCE, READ_WRITE)", root), + "CREATE TABLE search_store.main.products AS SELECT 'before' AS name", + } { + if _, err := writer.ExecContext(ctx, query); err != nil { + t.Fatal(err) + } + } + reader, err := NewDuckdbClient(&Config{ + AwsRegion: "us-east-1", AwsS3Bucket: "test", AwsS3Endpoint: DEFAULT_AWS_S3_ENDPOINT, + SearchTablesJSON: `[{"name":"public.products","indexColumns":["name"],"storeColumns":["name"]}]`, + }, []string{"LOAD lance", "CREATE SCHEMA public", "USE public"}) + if err != nil { + t.Fatal(err) + } + defer reader.Close() + check := func(want string) { + t.Helper() + var name, schema, timezone string + query := fmt.Sprintf("SELECT name, current_schema(), current_setting('TimeZone') FROM '%s/products.lance'", root) + if err := reader.Db.QueryRowContext(ctx, query).Scan(&name, &schema, &timezone); err != nil { + t.Fatal(err) + } + if name != want || schema != "public" || timezone != "UTC" { + t.Fatalf("got (%q, %q, %q), want (%q, public, UTC)", name, schema, timezone, want) + } + } + check("before") + if _, err := writer.ExecContext(ctx, "UPDATE search_store.main.products SET name = 'after'"); err != nil { + t.Fatal(err) + } + check("after") + if err := reader.RecreateDb(); err != nil { + t.Fatal(err) + } + check("after") + if _, err := writer.ExecContext(ctx, "UPDATE search_store.main.products SET name = 'latest'"); err != nil { + t.Fatal(err) + } + check("latest") +} + +func TestDuckdbS3SecretQueryConfiguresLocalEndpoint(t *testing.T) { + query := duckdbS3SecretQuery(&Config{ + AwsRegion: "us-east-1", + AwsS3Endpoint: "http://127.0.0.1:9000", + AwsS3Bucket: "pgstack", + AwsAccessKeyId: "pgstack", + AwsSecretAccessKey: "pgstack", + }) + + for _, expected := range []string{ + "ENDPOINT '127.0.0.1:9000'", + "USE_SSL false", + "URL_STYLE 'path'", + } { + if !strings.Contains(query, expected) { + t.Errorf("local S3 secret query does not contain %q: %s", expected, query) + } + } +} + +func TestDuckdbS3SecretQueryUsesAwsDefaults(t *testing.T) { + query := duckdbS3SecretQuery(&Config{ + AwsRegion: "us-east-1", + AwsS3Endpoint: DEFAULT_AWS_S3_ENDPOINT, + AwsS3Bucket: "pgstack", + AwsAccessKeyId: "key", + }) + + for _, unexpected := range []string{ + "USE_SSL", + "URL_STYLE", + } { + if strings.Contains(query, unexpected) { + t.Errorf("AWS S3 secret query unexpectedly contains %q: %s", unexpected, query) + } + } +} diff --git a/server/embedding_client.go b/server/embedding_client.go new file mode 100644 index 0000000..58b750f --- /dev/null +++ b/server/embedding_client.go @@ -0,0 +1,125 @@ +package main + +import ( + "bytes" + "context" + "encoding/json" + "fmt" + "io" + "net/http" + "time" +) + +const ( + OPENAI_EMBEDDING_MODEL = "text-embedding-3-small" + OPENAI_EMBEDDING_DIMENSIONS = 1536 + OPENAI_EMBEDDINGS_URL = "https://api.openai.com/v1/embeddings" + EMBEDDING_MAX_INPUT_BYTES = 3200 +) + +type EmbeddingClient struct { + config *Config + apiKey string + model string + dimensions int + url string + httpClient *http.Client +} + +type embeddingRequest struct { + Model string `json:"model"` + Input []string `json:"input"` + Dimensions int `json:"dimensions"` +} + +type embeddingResponse struct { + Data []struct { + Embedding []float32 `json:"embedding"` + Index int `json:"index"` + } `json:"data"` + Usage struct { + PromptTokens int `json:"prompt_tokens"` + } `json:"usage"` +} + +func NewEmbeddingClient(config *Config) *EmbeddingClient { + return &EmbeddingClient{ + config: config, + apiKey: config.OpenAIAPIKey, + model: OPENAI_EMBEDDING_MODEL, + dimensions: OPENAI_EMBEDDING_DIMENSIONS, + url: OPENAI_EMBEDDINGS_URL, + httpClient: &http.Client{Timeout: 30 * time.Second}, + } +} + +func (client *EmbeddingClient) Embed(ctx context.Context, input string) ([]float32, error) { + if err := validateEmbeddingInput(input); err != nil { + return nil, err + } + if client.apiKey == "" { + return nil, fmt.Errorf("OPENAI_API_KEY is required to use search rank") + } + body, err := json.Marshal(embeddingRequest{ + Model: client.model, + Input: []string{input}, + Dimensions: client.dimensions, + }) + if err != nil { + return nil, err + } + req, err := http.NewRequestWithContext(ctx, http.MethodPost, client.url, bytes.NewReader(body)) + if err != nil { + return nil, err + } + req.Header.Set("Authorization", "Bearer "+client.apiKey) + req.Header.Set("Content-Type", "application/json") + + var response *http.Response + for attempt := 0; attempt < 4; attempt++ { + response, err = client.httpClient.Do(req) + if err == nil && response.StatusCode != http.StatusTooManyRequests && response.StatusCode < 500 { + break + } + if attempt == 3 { + break + } + if response != nil { + response.Body.Close() + } + select { + case <-ctx.Done(): + return nil, ctx.Err() + case <-time.After(time.Duration(1<= 300 { + message, _ := io.ReadAll(io.LimitReader(response.Body, 4096)) + return nil, fmt.Errorf("embedding request returned %s: %s", response.Status, string(message)) + } + + var payload embeddingResponse + if err := json.NewDecoder(response.Body).Decode(&payload); err != nil { + return nil, fmt.Errorf("invalid embedding response: %w", err) + } + if len(payload.Data) != 1 || payload.Data[0].Index != 0 || len(payload.Data[0].Embedding) != client.dimensions { + return nil, fmt.Errorf("invalid embedding response item") + } + LogInfo(client.config, fmt.Sprintf("Built embeddings via OpenAI | Input tokens: %d", payload.Usage.PromptTokens)) + return payload.Data[0].Embedding, nil +} + +func validateEmbeddingInput(input string) error { + if input == "" { + return fmt.Errorf("search rank input cannot be empty") + } + if len(input) > EMBEDDING_MAX_INPUT_BYTES { + return fmt.Errorf("search rank input cannot exceed %d bytes", EMBEDDING_MAX_INPUT_BYTES) + } + return nil +} diff --git a/server/embedding_client_test.go b/server/embedding_client_test.go new file mode 100644 index 0000000..c4635c7 --- /dev/null +++ b/server/embedding_client_test.go @@ -0,0 +1,127 @@ +package main + +import ( + "bytes" + "context" + "encoding/json" + "log" + "net/http" + "net/http/httptest" + "strings" + "testing" + + "github.com/jackc/pgx/v5/pgproto3" +) + +func TestEmbeddingClientAndLiteralCache(t *testing.T) { + var logs bytes.Buffer + previousOutput := log.Writer() + log.SetOutput(&logs) + t.Cleanup(func() { log.SetOutput(previousOutput) }) + + requests := 0 + server := httptest.NewServer(http.HandlerFunc(func(response http.ResponseWriter, request *http.Request) { + requests++ + if request.Header.Get("Authorization") != "Bearer test-key" { + t.Errorf("unexpected authorization header: %q", request.Header.Get("Authorization")) + } + var body embeddingRequest + if err := json.NewDecoder(request.Body).Decode(&body); err != nil { + t.Error(err) + } + if body.Model != OPENAI_EMBEDDING_MODEL || body.Dimensions != 2 || len(body.Input) != 1 || body.Input[0] != "dog" { + t.Errorf("unexpected embedding request: %#v", body) + } + response.Header().Set("Content-Type", "application/json") + _, _ = response.Write([]byte(`{"data":[{"embedding":[0.6,0.8],"index":0}],"usage":{"prompt_tokens":7}}`)) + })) + t.Cleanup(server.Close) + + client := NewEmbeddingClient(&Config{LogLevel: LOG_LEVEL_INFO, OpenAIAPIKey: "test-key"}) + client.dimensions = 2 + client.url = server.URL + queryHandler := &QueryHandler{Config: &Config{}, EmbeddingClient: client} + dog := "dog" + specs := map[int]SearchParameterSpec{ + 1: {Dimensions: 2, RequireNonZero: true, LiteralText: &dog}, + 2: {Dimensions: 2, RequireNonZero: true, LiteralText: &dog}, + } + variables, err := queryHandler.resolveEmbeddedLiteralParameters(context.Background(), specs) + if err != nil { + t.Fatal(err) + } + if requests != 1 { + t.Fatalf("embedding requests = %d, want 1", requests) + } + if !strings.Contains(logs.String(), "Built embeddings via OpenAI | Input tokens: 7") { + t.Fatalf("expected embedding usage log, got %q", logs.String()) + } + for _, variable := range variables { + vector := variable.([]float32) + if len(vector) != 2 || vector[0] != 0.6 || vector[1] != 0.8 { + t.Fatalf("unexpected embedded vector: %#v", vector) + } + } + prepared := &PreparedStatement{VectorParameters: map[int]SearchParameterSpec{ + 1: {Dimensions: 2, RequireNonZero: true}, + }} + _, prepared, err = queryHandler.HandleBindQuery(&pgproto3.Bind{Parameters: [][]byte{[]byte("dog")}}, prepared) + if err != nil { + t.Fatal(err) + } + vector := prepared.Variables[0].([]float32) + if len(vector) != 2 || vector[0] != 0.6 || vector[1] != 0.8 { + t.Fatalf("unexpected bound embedding: %#v", vector) + } + prepared = &PreparedStatement{VectorParameters: map[int]SearchParameterSpec{ + 1: {Dimensions: 2, RequireNonZero: true, LiteralText: &dog}, + }} + _, prepared, err = queryHandler.HandleBindQuery(&pgproto3.Bind{}, prepared) + if err != nil { + t.Fatal(err) + } + vector = prepared.Variables[0].([]float32) + if len(vector) != 2 || vector[0] != 0.6 || vector[1] != 0.8 { + t.Fatalf("unexpected hidden literal embedding: %#v", vector) + } +} + +func TestEmbeddingClientValidatesInput(t *testing.T) { + client := NewEmbeddingClient(&Config{}) + if _, err := client.Embed(context.Background(), "dog"); err == nil { + t.Fatal("expected missing API key error") + } + client.apiKey = "test-key" + if _, err := client.Embed(context.Background(), ""); err == nil { + t.Fatal("expected empty input error") + } + if _, err := client.Embed(context.Background(), strings.Repeat("x", EMBEDDING_MAX_INPUT_BYTES+1)); err == nil || !strings.Contains(err.Error(), "cannot exceed 3200 bytes") { + t.Fatalf("expected oversized input error, got %v", err) + } +} + +func TestQueryHandlerHidesEmbeddingProviderError(t *testing.T) { + var logs bytes.Buffer + previousOutput := log.Writer() + log.SetOutput(&logs) + t.Cleanup(func() { log.SetOutput(previousOutput) }) + + server := httptest.NewServer(http.HandlerFunc(func(response http.ResponseWriter, _ *http.Request) { + response.WriteHeader(http.StatusBadRequest) + _, _ = response.Write([]byte("sensitive upstream error")) + })) + t.Cleanup(server.Close) + config := &Config{OpenAIAPIKey: "test-key"} + client := NewEmbeddingClient(config) + client.dimensions = 2 + client.url = server.URL + queryHandler := &QueryHandler{Config: config, EmbeddingClient: client} + + _, err := queryHandler.embedVectorParameter(context.Background(), "dog", SearchParameterSpec{Dimensions: 2}, nil) + if err == nil || err.Error() != "search rank failed" { + t.Fatalf("unexpected public error: %v", err) + } + if strings.Contains(err.Error(), "upstream") || !strings.Contains(logs.String(), "sensitive upstream error") { + t.Fatalf("expected provider detail only in server log; error=%q logs=%q", err, logs.String()) + } +} diff --git a/server/error_utils.go b/server/error_utils.go new file mode 100644 index 0000000..70e6489 --- /dev/null +++ b/server/error_utils.go @@ -0,0 +1,43 @@ +package main + +import ( + "errors" + "fmt" + "os" + "runtime/debug" +) + +func PanicIfError(config *Config, err error) { + if err != nil { + printUnexpectedError(config, err) + os.Exit(1) + } +} + +func Panic(config *Config, message string) { + err := errors.New(message) + PanicIfError(config, err) +} + +func PrintErrorAndExit(config *Config, message string) { + LogError(config, message+"\n") + os.Exit(1) +} + +func HandleUnexpectedPanic(config *Config) { + func() { + if r := recover(); r != nil { + err, _ := r.(error) + printUnexpectedError(config, err) + os.Exit(1) + } + }() +} + +func printUnexpectedError(config *Config, err error) { + errorMessage := err.Error() + stackTrace := string(debug.Stack()) + + fmt.Println("Unexpected error:", errorMessage) + fmt.Println(stackTrace) +} diff --git a/server/go.mod b/server/go.mod new file mode 100644 index 0000000..d6f4303 --- /dev/null +++ b/server/go.mod @@ -0,0 +1,63 @@ +module github.com/pgstack-io/pgstack/server + +go 1.25.0 + +require ( + github.com/duckdb/duckdb-go/v2 v2.10505.0 + github.com/google/uuid v1.6.0 + github.com/jackc/pgx/v5 v5.9.2 + github.com/pganalyze/pg_query_go/v6 v6.1.0 + golang.org/x/crypto v0.52.0 +) + +require ( + github.com/aws/aws-sdk-go-v2 v1.47.1 + github.com/aws/aws-sdk-go-v2/config v1.25.3 + github.com/aws/aws-sdk-go-v2/credentials v1.16.2 + github.com/aws/aws-sdk-go-v2/service/s3 v1.114.1 + github.com/xdg-go/scram v1.1.2 + google.golang.org/protobuf v1.36.11 +) + +require ( + github.com/apache/arrow-go/v18 v18.5.1 // indirect + github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.20 // indirect + github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.14.4 // indirect + github.com/aws/aws-sdk-go-v2/internal/configsources v1.5.4 // indirect + github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.8.4 // indirect + github.com/aws/aws-sdk-go-v2/internal/ini v1.7.1 // indirect + github.com/aws/aws-sdk-go-v2/internal/v4a v1.5.4 // indirect + github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.19 // indirect + github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.11.5 // indirect + github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.14.4 // indirect + github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.20.4 // indirect + github.com/aws/aws-sdk-go-v2/service/sso v1.17.2 // indirect + github.com/aws/aws-sdk-go-v2/service/ssooidc v1.20.0 // indirect + github.com/aws/aws-sdk-go-v2/service/sts v1.25.3 // indirect + github.com/aws/smithy-go v1.28.1 // indirect + github.com/duckdb/duckdb-go-bindings v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/darwin-amd64 v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/darwin-arm64 v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/linux-amd64 v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/linux-arm64 v0.10505.0 // indirect + github.com/duckdb/duckdb-go-bindings/lib/windows-amd64 v0.10505.0 // indirect + github.com/go-viper/mapstructure/v2 v2.5.0 // indirect + github.com/goccy/go-json v0.10.5 // indirect + github.com/google/flatbuffers v25.12.19+incompatible // indirect + github.com/jackc/pgpassfile v1.0.0 // indirect + github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect + github.com/klauspost/compress v1.18.3 // indirect + github.com/klauspost/cpuid/v2 v2.3.0 // indirect + github.com/pierrec/lz4/v4 v4.1.25 // indirect + github.com/xdg-go/pbkdf2 v1.0.0 // indirect + github.com/xdg-go/stringprep v1.0.4 // indirect + github.com/zeebo/xxh3 v1.1.0 // indirect + golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect + golang.org/x/mod v0.35.0 // indirect + golang.org/x/sync v0.20.0 // indirect + golang.org/x/sys v0.45.0 // indirect + golang.org/x/telemetry v0.0.0-20260409153401-be6f6cb8b1fa // indirect + golang.org/x/text v0.37.0 // indirect + golang.org/x/tools v0.44.0 // indirect + golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect +) diff --git a/server/go.sum b/server/go.sum new file mode 100644 index 0000000..c3574f1 --- /dev/null +++ b/server/go.sum @@ -0,0 +1,166 @@ +github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwToPjQ= +github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY= +github.com/apache/arrow-go/v18 v18.5.1 h1:yaQ6zxMGgf9YCYw4/oaeOU3AULySDlAYDOcnr4LdHdI= +github.com/apache/arrow-go/v18 v18.5.1/go.mod h1:OCCJsmdq8AsRm8FkBSSmYTwL/s4zHW9CqxeBxEytkNE= +github.com/apache/thrift v0.22.0 h1:r7mTJdj51TMDe6RtcmNdQxgn9XcyfGDOzegMDRg47uc= +github.com/apache/thrift v0.22.0/go.mod h1:1e7J/O1Ae6ZQMTYdy9xa3w9k+XHWPfRvdPyJeynQ+/g= +github.com/aws/aws-sdk-go-v2 v1.47.1 h1:uOIZnp4PK3ZhKI0dNrJrhTEsLxbpXHTAJlwoS1pvAtw= +github.com/aws/aws-sdk-go-v2 v1.47.1/go.mod h1:bttEH6JqnUL8LepvDVfdrds/fZ5bCIxzpe3abyUrhDU= +github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.20 h1:GPRlPwz40I2B2VrBEASOA3Bi77NyeqejNLkifosX0rs= +github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.20/go.mod h1:g7PNzKcsOKWb4fkSRBA7BZVAS6Y8IcxzN+nRohhQ1Q8= +github.com/aws/aws-sdk-go-v2/config v1.25.3 h1:E4m9LbwJOoncDNt3e9MPLbz/saxWcGUlZVBydydD6+8= +github.com/aws/aws-sdk-go-v2/config v1.25.3/go.mod h1:tAByZy03nH5jcq0vZmkcVoo6tRzRHEwSFx3QW4NmDw8= +github.com/aws/aws-sdk-go-v2/credentials v1.16.2 h1:0sdZ5cwfOAipTzZ7eOL0gw4LAhk/RZnTa16cDqIt8tg= +github.com/aws/aws-sdk-go-v2/credentials v1.16.2/go.mod h1:sDdvGhXrSVT5yzBDR7qXz+rhbpiMpUYfF3vJ01QSdrc= +github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.14.4 h1:9wKDWEjwSnXZre0/O3+ZwbBl1SmlgWYBbrTV10X/H1s= +github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.14.4/go.mod h1:t4i+yGHMCcUNIX1x7YVYa6bH/Do7civ5I6cG/6PMfyA= +github.com/aws/aws-sdk-go-v2/internal/configsources v1.5.4 h1:CLq4+8UHCI+ZZYl/EuJxXovaIVN2xeeT8JV+dsApQ5E= +github.com/aws/aws-sdk-go-v2/internal/configsources v1.5.4/go.mod h1:Wv4q5sAM04xAMkoOedxLx2inVf6K5FdxYp+A61L+q/0= +github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.8.4 h1:dD4MR81I7YkpEBRk6UP9rocC2QnT3qVuXwzlYTtfGEs= +github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.8.4/go.mod h1:EcXV1kAFd5XwSkDHlj94gnF3q5CkJyYiIJfH8N0VmrE= +github.com/aws/aws-sdk-go-v2/internal/ini v1.7.1 h1:uR9lXYjdPX0xY+NhvaJ4dD8rpSRz5VY81ccIIoNG+lw= +github.com/aws/aws-sdk-go-v2/internal/ini v1.7.1/go.mod h1:6fQQgfuGmw8Al/3M2IgIllycxV7ZW7WCdVSqfBeUiCY= +github.com/aws/aws-sdk-go-v2/internal/v4a v1.5.4 h1:7Wo47d/xn/7KttCSBd8EGYeZ7ULRFRkUHr6vkZPBzVQ= +github.com/aws/aws-sdk-go-v2/internal/v4a v1.5.4/go.mod h1:tDB2IVC1xC3vX8o+6uRlzhTxP3g1b77CZXFX/oD2FnQ= +github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.19 h1:bAdDl/HkGCcGPoe25ToSHEw23VIxt6CT5fLcg111BKg= +github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.19/go.mod h1:KaUzbLxv4CeSxh6ZCl9B4m7CuFenS8kUEaDs+f/DQr4= +github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.11.5 h1:/TYsZXdA8UTa+WCtCYSAJIr1vwl0+eho6TUgJGwFFO8= +github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.11.5/go.mod h1:qPqp1Uwd/BqdhPufv6oem9j5J7HNsgc2V22dUiDPn+s= +github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.14.4 h1:29SvnfGhXjTl8ONxFwbj2rs6lbhiFXD2CgFQmbT/bXY= +github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.14.4/go.mod h1:wm04I5DMuNVvZHFe/dHnUxincvNbbK7AiNBbYsQivek= +github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.20.4 h1:pPiWfgeNxqluKEph7hvU88kuGKBPOWzO+Dk9t2zqqNs= +github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.20.4/go.mod h1:YlwGoIUDG/3kBQbdNOVs/xKZ9J01G8e/6D1mRBj9uTk= +github.com/aws/aws-sdk-go-v2/service/s3 v1.114.1 h1:9T6eO8/WXhij4PQaa2WaYsdekSCmT9Hw66Pw0S8do0Q= 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v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/server/iceberg_reader.go b/server/iceberg_reader.go new file mode 100644 index 0000000..5f5f57e --- /dev/null +++ b/server/iceberg_reader.go @@ -0,0 +1,196 @@ +package main + +import ( + "encoding/json" + "fmt" + "io" + "path" + "strings" +) + +// IcebergReader reads Iceberg table metadata directly from S3 +type IcebergReader struct { + Config *Config + S3Client *S3Client +} + +func NewIcebergReader(config *Config, s3Client *S3Client) *IcebergReader { + return &IcebergReader{ + Config: config, + S3Client: s3Client, + } +} + +// SchemaTables discovers all tables by scanning S3 for metadata files +func (reader *IcebergReader) SchemaTables() (Set[IcebergSchemaTable], error) { + schemaTables := NewSet[IcebergSchemaTable]() + + // List all folders in the iceberg base path (e.g., "audit/") + // Each folder like "audit/changes" becomes "audit.changes" + basePath := reader.Config.AuditBasePath + if basePath == "" { + basePath = "." + } + + // List objects with the base path prefix + objects := reader.S3Client.ListObjects(basePath + "/") + + // Track discovered table paths + discoveredPaths := make(map[string]bool) + + for _, obj := range objects.Contents { + key := *obj.Key + + // Look for metadata files: schema/table/metadata/v*.metadata.json + if strings.Contains(key, "/metadata/") && strings.HasSuffix(key, ".metadata.json") { + // Extract schema and table from path + // Example: "audit/changes/metadata/v1.metadata.json" -> schema="audit", table="changes" + relativePath := strings.TrimPrefix(key, basePath+"/") + parts := strings.Split(relativePath, "/") + + var schema, table string + if len(parts) >= 4 { + schema = parts[0] + table = parts[1] + } else if len(parts) == 3 { + table = parts[0] + baseParts := strings.Split(strings.TrimSuffix(basePath, "/"), "/") + if len(baseParts) > 0 && baseParts[len(baseParts)-1] != "" && baseParts[len(baseParts)-1] != "." { + schema = baseParts[len(baseParts)-1] + } else { + schema = "public" + } + } + + if schema != "" && table != "" { + tablePath := schema + "/" + table + + if !discoveredPaths[tablePath] { + discoveredPaths[tablePath] = true + schemaTables.Add(IcebergSchemaTable{ + Schema: schema, + Table: table, + }) + } + } + } + } + + return schemaTables, nil +} + +// MetadataFileS3Path returns the path to the latest metadata file for a table +func (reader *IcebergReader) MetadataFileS3Path(icebergSchemaTable IcebergSchemaTable) string { + basePath := reader.Config.AuditBasePath + var tablePath string + if basePath != "" { + baseParts := strings.Split(strings.TrimSuffix(basePath, "/"), "/") + lastBasePart := "" + if len(baseParts) > 0 { + lastBasePart = baseParts[len(baseParts)-1] + } + if lastBasePart == icebergSchemaTable.Schema { + tablePath = path.Join(basePath, icebergSchemaTable.Table) + } else { + tablePath = path.Join(basePath, icebergSchemaTable.Schema, icebergSchemaTable.Table) + } + } else { + tablePath = path.Join(icebergSchemaTable.Schema, icebergSchemaTable.Table) + } + metadataPath := tablePath + "/metadata" + + // List metadata files + objects := reader.S3Client.ListObjects(metadataPath + "/") + + // Find the latest v*.metadata.json file + var latestVersion int + var latestFile string + + for _, obj := range objects.Contents { + key := *obj.Key + if strings.HasSuffix(key, ".metadata.json") { + // Extract version number from filename like "v1.metadata.json" + filename := path.Base(key) + var version int + if _, err := fmt.Sscanf(filename, "v%d.metadata.json", &version); err == nil { + if version > latestVersion { + latestVersion = version + latestFile = key + } + } + } + } + + if latestFile == "" { + // Fallback to v1.metadata.json + return tablePath + "/metadata/v1.metadata.json" + } + + return latestFile +} + +// TableColumns reads column information from the Iceberg metadata file +func (reader *IcebergReader) TableColumns(icebergSchemaTable IcebergSchemaTable) ([]IcebergSchemaColumn, error) { + metadataPath := reader.MetadataFileS3Path(icebergSchemaTable) + if metadataPath == "" { + return nil, fmt.Errorf("metadata file not found for table %s.%s", icebergSchemaTable.Schema, icebergSchemaTable.Table) + } + + // Read metadata file from S3 + s3Key := reader.S3Client.ObjectKey(metadataPath) + getObjectOutput := reader.S3Client.GetObject(s3Key) + defer getObjectOutput.Body.Close() + + contentBytes, err := io.ReadAll(getObjectOutput.Body) + if err != nil { + return nil, fmt.Errorf("failed to read metadata file: %w", err) + } + content := string(contentBytes) + + // Parse Iceberg metadata JSON + var metadata struct { + Schemas []struct { + Fields []struct { + ID int `json:"id"` + Name string `json:"name"` + Required bool `json:"required"` + Type interface{} `json:"type"` + } `json:"fields"` + } `json:"schemas"` + } + + if err := json.Unmarshal([]byte(content), &metadata); err != nil { + return nil, fmt.Errorf("failed to parse metadata JSON: %w", err) + } + + // Use the last (current) schema + if len(metadata.Schemas) == 0 { + return nil, fmt.Errorf("no schemas found in metadata") + } + + currentSchema := metadata.Schemas[len(metadata.Schemas)-1] + columns := make([]IcebergSchemaColumn, 0, len(currentSchema.Fields)) + + for _, field := range currentSchema.Fields { + columns = append(columns, IcebergSchemaColumn{ + Name: field.Name, + Type: reader.icebergTypeToString(field.Type), + Required: field.Required, + }) + } + + return columns, nil +} + +// icebergTypeToString converts Iceberg type to string representation +func (reader *IcebergReader) icebergTypeToString(icebergType interface{}) string { + switch t := icebergType.(type) { + case string: + return t + case map[string]interface{}: + if typeStr, ok := t["type"].(string); ok { + return typeStr + } + } + return fmt.Sprintf("%v", icebergType) +} diff --git a/server/iceberg_schema_column.go b/server/iceberg_schema_column.go new file mode 100644 index 0000000..3f237e5 --- /dev/null +++ b/server/iceberg_schema_column.go @@ -0,0 +1,27 @@ +package main + +import ( + "fmt" +) + +type IcebergSchemaColumn struct { + Name string `json:"name"` + Type string `json:"type"` + Position int `json:"position"` + List bool `json:"list"` + Required bool `json:"required"` +} + +func (column IcebergSchemaColumn) ToSql() string { + sql := fmt.Sprintf(`"%s" %s`, column.Name, column.Type) + + if column.List { + sql += "[]" + } + + if column.Required { + sql += " NOT NULL" + } + + return sql +} diff --git a/server/iceberg_schema_table.go b/server/iceberg_schema_table.go new file mode 100644 index 0000000..1e8a292 --- /dev/null +++ b/server/iceberg_schema_table.go @@ -0,0 +1,14 @@ +package main + +import ( + "fmt" +) + +type IcebergSchemaTable struct { + Schema string + Table string +} + +func (schemaTable IcebergSchemaTable) String() string { + return fmt.Sprintf(`"%s"."%s"`, schemaTable.Schema, schemaTable.Table) +} diff --git a/server/logger_utils.go b/server/logger_utils.go new file mode 100644 index 0000000..3ba8ee7 --- /dev/null +++ b/server/logger_utils.go @@ -0,0 +1,51 @@ +package main + +import ( + "log" +) + +type LogLevel string + +const ( + LOG_LEVEL_TRACE = "TRACE" + LOG_LEVEL_DEBUG = "DEBUG" + LOG_LEVEL_WARN = "WARN" + LOG_LEVEL_INFO = "INFO" + LOG_LEVEL_ERROR = "ERROR" +) + +var LOG_LEVELS = []string{ + LOG_LEVEL_TRACE, + LOG_LEVEL_DEBUG, + LOG_LEVEL_WARN, + LOG_LEVEL_INFO, + LOG_LEVEL_ERROR, +} + +func LogError(config *Config, message ...interface{}) { + log.Println(append([]interface{}{"[ERROR]"}, redactLogValues(message)...)...) +} + +func LogWarn(config *Config, message ...interface{}) { + if config.LogLevel != LOG_LEVEL_ERROR { + log.Println(append([]interface{}{"[WARN]"}, redactLogValues(message)...)...) + } +} + +func LogInfo(config *Config, message ...interface{}) { + if config.LogLevel != LOG_LEVEL_ERROR && config.LogLevel != LOG_LEVEL_WARN { + log.Println(append([]interface{}{"[INFO]"}, redactLogValues(message)...)...) + } +} + +func LogDebug(config *Config, message ...interface{}) { + if config.LogLevel == LOG_LEVEL_DEBUG || config.LogLevel == LOG_LEVEL_TRACE { + log.Println(append([]interface{}{"[DEBUG]"}, redactLogValues(message)...)...) + } +} + +func LogTrace(config *Config, message ...interface{}) { + if config.LogLevel == LOG_LEVEL_TRACE { + log.Println(append([]interface{}{"[TRACE]"}, redactLogValues(message)...)...) + } +} diff --git a/server/main.go b/server/main.go new file mode 100644 index 0000000..05d2377 --- /dev/null +++ b/server/main.go @@ -0,0 +1,89 @@ +package main + +import ( + "slices" + "sync/atomic" +) + +const ( + COMMAND_START = "start" + COMMAND_VERSION = "version" + + DUCKDB_SCHEMA_MAIN = "main" +) + +func main() { + config := LoadConfig() + defer HandleUnexpectedPanic(config) + + tcpListener := NewTcpListener(config) + LogInfo(config, "PgStack: Listening on", tcpListener.Addr()) + runtimeManager := &RuntimeManager{} + + var connectionCount int64 = 0 + for { + conn := AcceptConnection(config, tcpListener) + atomic.AddInt64(&connectionCount, 1) + LogInfo(config, "PgStack: Accepted", Int64ToString(atomic.LoadInt64(&connectionCount))+"th", "connection from", conn.RemoteAddr()) + server := NewPostgresServer(config, &conn) + + go func() { + server.Run(runtimeManager.Acquire) + defer server.Close() + LogInfo(config, "PgStack: Closed", Int64ToString(atomic.LoadInt64(&connectionCount))+"th", "connection from", conn.RemoteAddr()) + atomic.AddInt64(&connectionCount, -1) + }() + } +} + +func duckdbBootQueris(config *Config) []string { + setupQueries := []string{ + "INSTALL httpfs", + "LOAD httpfs", + } + if config.AuditEnabled { + setupQueries = append(setupQueries, + "INSTALL iceberg", + "LOAD iceberg", + ) + } + setupQueries = append(setupQueries, + // Set up schemas + "SELECT oid FROM pg_catalog.pg_namespace", + "CREATE SCHEMA "+PG_SCHEMA_PUBLIC, + + // Configure DuckDB + "SET memory_limit='"+config.DuckDBMemoryLimit+"'", + "SET threads=2", + "SET preserve_insertion_order=false", + "SET scalar_subquery_error_on_multiple_rows=false", + // Cache + "SET parquet_metadata_cache=true", + "SET enable_external_file_cache=true", + "SET validate_external_file_cache=VALIDATE_REMOTE", + ) + queries := slices.Concat( + setupQueries, + + // Create pg-compatible functions + CreatePgCatalogMacroQueries(config), + CreateInformationSchemaMacroQueries(config), + + // Create pg-compatible tables and views + CreatePgCatalogTableQueries(config), + CreateInformationSchemaTableQueries(config), + + // Use the public schema + []string{"USE " + PG_SCHEMA_PUBLIC}, + ) + if config.SearchTablesJSON != "" && config.SearchTablesJSON != "[]" { + queries = append(queries, + "INSTALL lance", + "LOAD lance", + duckdbLanceSecretQuery(config), + "ATTACH 's3://"+config.AwsS3Bucket+"/"+config.SearchBasePath+"' AS search_store (TYPE LANCE, READ_WRITE)", + ) + queries = append(queries, searchCatalogBootQueries(config)...) + } + return queries +} diff --git a/server/main_test.go b/server/main_test.go new file mode 100644 index 0000000..9fe32ac --- /dev/null +++ b/server/main_test.go @@ -0,0 +1,197 @@ +package main + +import ( + "errors" + "sync" + "sync/atomic" + "testing" + "time" +) + +func TestRuntimeManagerSharesLazyInitialization(t *testing.T) { + started := make(chan struct{}) + allowInitialization := make(chan struct{}) + manager := &RuntimeManager{ + runtimeFactory: func(config *Config) (*ServerRuntime, error) { + close(started) + <-allowInitialization + return fakeServerRuntime(), nil + }, + } + + firstDone := make(chan error, 1) + go func() { + _, release, err := manager.Acquire(&Config{Database: "slow"}) + if err == nil { + release() + } + firstDone <- err + }() + <-started + + secondDone := make(chan error, 1) + go func() { + _, release, err := manager.Acquire(&Config{Database: "fast"}) + if err == nil { + release() + } + secondDone <- err + }() + + select { + case <-secondDone: + close(allowInitialization) + t.Fatal("second initialization should wait for the first lazy startup") + default: + } + + close(allowInitialization) + if err := <-firstDone; err != nil { + t.Fatalf("first database initialization failed: %v", err) + } + if err := <-secondDone; err != nil { + t.Fatalf("second database initialization failed: %v", err) + } +} + +func TestRuntimeManagerWaitsForExpiredRuntimeToCloseBeforeRecreating(t *testing.T) { + var attempts atomic.Int32 + runtime := fakeServerRuntime() + manager := &RuntimeManager{ + runtime: runtime, + runtimeFactory: func(config *Config) (*ServerRuntime, error) { + attempts.Add(1) + return fakeServerRuntime(), nil + }, + } + config := &Config{Database: "expired"} + + runtime.RequestMu.RLock() + expired := make(chan struct{}) + go func() { + manager.expireRuntime(config, runtime) + close(expired) + }() + + deadline := time.After(time.Second) + for { + manager.mu.Lock() + isExpired := runtime.Expired + manager.mu.Unlock() + if isExpired { + break + } + + select { + case <-deadline: + runtime.RequestMu.RUnlock() + t.Fatal("runtime was not marked expired") + default: + time.Sleep(time.Millisecond) + } + } + + acquireDone := make(chan error, 1) + go func() { + _, release, err := manager.Acquire(config) + if err == nil { + release() + } + acquireDone <- err + }() + + select { + case <-acquireDone: + runtime.RequestMu.RUnlock() + t.Fatal("new runtime was created before expired runtime closed") + default: + } + if got := attempts.Load(); got != 0 { + runtime.RequestMu.RUnlock() + t.Fatalf("runtime creation attempts before close = %d, want 0", got) + } + + runtime.RequestMu.RUnlock() + select { + case <-expired: + case <-time.After(time.Second): + t.Fatal("expired runtime did not close") + } + if err := <-acquireDone; err != nil { + t.Fatalf("runtime acquisition after close failed: %v", err) + } + if got := attempts.Load(); got != 1 { + t.Fatalf("runtime creation attempts after close = %d, want 1", got) + } +} + +func TestRuntimeManagerRetriesAfterInitializationFailure(t *testing.T) { + var attempts atomic.Int32 + manager := &RuntimeManager{ + runtimeFactory: func(config *Config) (*ServerRuntime, error) { + if attempts.Add(1) == 1 { + return nil, errors.New("boot failed") + } + return fakeServerRuntime(), nil + }, + } + config := &Config{Database: "retry"} + + if _, _, err := manager.Acquire(config); err == nil { + t.Fatal("expected first initialization to fail") + } + _, release, err := manager.Acquire(config) + if err != nil { + t.Fatalf("expected initialization retry to succeed: %v", err) + } + release() + + if got := attempts.Load(); got != 2 { + t.Fatalf("initialization attempts = %d, want 2", got) + } +} + +func TestRuntimeManagerSharesInitializationWithinDatabase(t *testing.T) { + var attempts atomic.Int32 + started := make(chan struct{}) + allowInitialization := make(chan struct{}) + manager := &RuntimeManager{ + runtimeFactory: func(config *Config) (*ServerRuntime, error) { + attempts.Add(1) + close(started) + <-allowInitialization + return fakeServerRuntime(), nil + }, + } + config := &Config{Database: "shared"} + done := make(chan error, 2) + + acquire := func() { + _, release, err := manager.Acquire(config) + if err == nil { + release() + } + done <- err + } + go acquire() + <-started + go acquire() + close(allowInitialization) + + for range 2 { + if err := <-done; err != nil { + t.Fatalf("database initialization failed: %v", err) + } + } + if got := attempts.Load(); got != 1 { + t.Fatalf("initialization attempts = %d, want 1", got) + } +} + +func fakeServerRuntime() *ServerRuntime { + return &ServerRuntime{ + QueryHandler: &QueryHandler{}, + RequestMu: &sync.RWMutex{}, + Closed: make(chan struct{}), + } +} diff --git a/server/parser_a_expr.go b/server/parser_a_expr.go new file mode 100644 index 0000000..e63342a --- /dev/null +++ b/server/parser_a_expr.go @@ -0,0 +1,200 @@ +package main + +import ( + "strings" + + pgQuery "github.com/pganalyze/pg_query_go/v6" +) + +type ParserAExpr struct { + config *Config + utils *ParserUtils + parserTypeCast *ParserTypeCast +} + +func NewParserAExpr(config *Config) *ParserAExpr { + return &ParserAExpr{ + config: config, + utils: NewParserUtils(config), + parserTypeCast: NewParserTypeCast(config), + } +} + +func (parser *ParserAExpr) AExprFromTargetNode(targetNode *pgQuery.Node) *pgQuery.A_Expr { + return targetNode.GetResTarget().Val.GetAExpr() +} + +func (parser *ParserAExpr) AExpr(node *pgQuery.Node) *pgQuery.A_Expr { + return node.GetAExpr() +} + +// [column]->>'value' -> json_extract_string([column], 'value') +// +// DuckDB bug with wrong precedence of ->> operator: it has lower precedence than AND, so make it a function call explicitly: +// SELECT * FROM postgres.test_table WHERE id = 1 (( AND json_column ))->>'key' IN ('value'); +// ^ Could not convert string '...' to BOOL when casting from source column json_column +func (parser *ParserAExpr) RemappedJsonExtractString(node *pgQuery.Node) *pgQuery.Node { + aExpr := parser.AExpr(node) + if aExpr == nil || parser.OperatorName(aExpr) != "->>" { + return node + } + + return pgQuery.MakeFuncCallNode( + []*pgQuery.Node{pgQuery.MakeStrNode("json_extract_string")}, + []*pgQuery.Node{aExpr.Lexpr, aExpr.Rexpr}, + 0, + ) +} + +// [column]->'value' -> json_extract([column], 'value') +// +// DuckDB bug with wrong precedence of -> operator: it has lower precedence than IS NOT NULL, so make it a function call explicitly: +// SELECT string_agg(jsonb_column->'key') FILTER (WHERE jsonb_column-> (( 'key' IS NOT NULL )) ) FROM postgres.test_table; +// ^ Binder Error: No function matches the given name and argument types 'json_extract(VARCHAR, BOOLEAN)' +func (parser *ParserAExpr) RemappedJsonExtract(node *pgQuery.Node) *pgQuery.Node { + aExpr := parser.AExpr(node) + if aExpr == nil || parser.OperatorName(aExpr) != "->" { + return node + } + + return pgQuery.MakeFuncCallNode( + []*pgQuery.Node{pgQuery.MakeStrNode("json_extract")}, + []*pgQuery.Node{aExpr.Lexpr, aExpr.Rexpr}, + 0, + ) +} + +// [column] ? 'key' -> json_exists([column], 'key') +func (parser *ParserAExpr) RemappedJsonExists(node *pgQuery.Node) *pgQuery.Node { + aExpr := parser.AExpr(node) + if aExpr == nil || parser.OperatorName(aExpr) != "?" { + return node + } + + return pgQuery.MakeFuncCallNode( + []*pgQuery.Node{pgQuery.MakeStrNode("json_exists")}, + []*pgQuery.Node{aExpr.Lexpr, aExpr.Rexpr}, + 0, + ) +} + +func (parser *ParserAExpr) OperatorName(aExpr *pgQuery.A_Expr) string { + if aExpr.Kind != pgQuery.A_Expr_Kind_AEXPR_OP || len(aExpr.Name) != 1 { + return "" + } + + return aExpr.Name[0].GetString_().Sval +} + +func (parser *ParserAExpr) LeftColumnRefName(aExpr *pgQuery.A_Expr) string { + if aExpr.Lexpr == nil || aExpr.Lexpr.GetColumnRef() == nil || len(aExpr.Lexpr.GetColumnRef().Fields) != 1 { + return "" + } + + return aExpr.Lexpr.GetColumnRef().Fields[0].GetString_().Sval +} + +func (parser *ParserAExpr) RightAConstValue(aExpr *pgQuery.A_Expr) string { + if aExpr.Rexpr == nil || aExpr.Rexpr.GetAConst() == nil { + return "" + } + + return aExpr.Rexpr.GetAConst().GetSval().Sval +} + +// = ANY('{information_schema, ...}') -> IN ('information_schema', ...) +// +// DuckDB error: UNNEST() for correlated expressions is not supported yet +func (parser *ParserAExpr) ConvertedRightAnyStringConstantToIn(node *pgQuery.Node) *pgQuery.Node { + aExpr := parser.AExpr(node) + + if aExpr.Kind != pgQuery.A_Expr_Kind_AEXPR_OP_ANY { + return node + } + + if aExpr.Rexpr.GetAConst() == nil { + return node + } + + arrayStr := aExpr.Rexpr.GetAConst().GetSval().Sval + arrayStr = strings.Trim(arrayStr, "{}") + values := strings.Split(arrayStr, ",") + + items := make([]*pgQuery.Node, len(values)) + for i, value := range values { + value = strings.Trim(value, " ") + items[i] = &pgQuery.Node{ + Node: &pgQuery.Node_AConst{ + AConst: &pgQuery.A_Const{ + Val: &pgQuery.A_Const_Sval{ + Sval: &pgQuery.String{ + Sval: value, + }, + }, + }, + }, + } + } + + return &pgQuery.Node{ + Node: &pgQuery.Node_AExpr{ + AExpr: &pgQuery.A_Expr{ + Kind: pgQuery.A_Expr_Kind_AEXPR_IN, + Name: []*pgQuery.Node{{Node: &pgQuery.Node_String_{String_: &pgQuery.String{Sval: "="}}}}, + Lexpr: aExpr.Lexpr, + Rexpr: &pgQuery.Node{ + Node: &pgQuery.Node_List{ + List: &pgQuery.List{ + Items: items, + }, + }, + }, + Location: aExpr.Location, + }, + }, + } +} + +// value = ANY($1::text[]) -> list_contains($1::text[], value) +// +// DuckDB cannot UNNEST a parameterized list in an ANY expression because it +// treats it as a correlated expression. list_contains has the same membership +// semantics for this common equality form without requiring UNNEST. +func (parser *ParserAExpr) RemappedAnyTextArrayParameter(node *pgQuery.Node) *pgQuery.Node { + aExpr := parser.AExpr(node) + if aExpr == nil || aExpr.Kind != pgQuery.A_Expr_Kind_AEXPR_OP_ANY || len(aExpr.Name) != 1 || aExpr.Name[0].GetString_().Sval != "=" { + return node + } + + if aExpr.Rexpr == nil { + return node + } + typeCast := aExpr.Rexpr.GetTypeCast() + if typeCast == nil || typeCast.Arg.GetParamRef() == nil { + return node + } + + typeName := parser.parserTypeCast.TypeName(typeCast) + if typeName != "text[]" && typeName != "pg_catalog.text[]" { + return node + } + + return pgQuery.MakeFuncCallNode( + []*pgQuery.Node{pgQuery.MakeStrNode("list_contains")}, + []*pgQuery.Node{aExpr.Rexpr, aExpr.Lexpr}, + 0, + ) +} + +// pg_catalog.[operator] -> [operator] +func (parser *ParserAExpr) RemovePgCatalog(node *pgQuery.Node) { + aExpr := parser.AExpr(node) + + if aExpr == nil || aExpr.Kind != pgQuery.A_Expr_Kind_AEXPR_OP { + return + } + + if len(aExpr.Name) == 2 && aExpr.Name[0].GetString_().Sval == PG_SCHEMA_PG_CATALOG { + aExpr.Name = aExpr.Name[1:] // Remove the first element + } +} diff --git a/src/parser_column_ref.go b/server/parser_column_ref.go similarity index 52% rename from src/parser_column_ref.go rename to server/parser_column_ref.go index 603bd02..ec09cad 100644 --- a/src/parser_column_ref.go +++ b/server/parser_column_ref.go @@ -1,7 +1,7 @@ package main import ( - pgQuery "github.com/pganalyze/pg_query_go/v5" + pgQuery "github.com/pganalyze/pg_query_go/v6" ) type ParserColumnRef struct { @@ -12,12 +12,11 @@ func NewParserColumnRef(config *Config) *ParserColumnRef { return &ParserColumnRef{config: config} } -func (parser *ParserColumnRef) FieldNames(node *pgQuery.Node) []string { - columnRef := node.GetColumnRef() - if columnRef == nil { - return nil - } +func (parser *ParserColumnRef) ColumnRefFromTargetNode(targetNode *pgQuery.Node) *pgQuery.ColumnRef { + return targetNode.GetResTarget().Val.GetColumnRef() +} +func (parser *ParserColumnRef) FieldNames(columnRef *pgQuery.ColumnRef) []string { fieldNames := make([]string, 0) for _, field := range columnRef.Fields { if field.GetString_() == nil { @@ -36,3 +35,15 @@ func (parser *ParserColumnRef) SetFields(node *pgQuery.Node, fields []string) { columnRef.Fields[i] = pgQuery.MakeStrNode(field) } } + +// expression -> NOT expression +func (parser *ParserColumnRef) NotBooleanExpression(node *pgQuery.Node) *pgQuery.Node { + return &pgQuery.Node{ + Node: &pgQuery.Node_BoolExpr{ + BoolExpr: &pgQuery.BoolExpr{ + Boolop: pgQuery.BoolExprType_NOT_EXPR, + Args: []*pgQuery.Node{node}, + }, + }, + } +} diff --git a/src/parser_function.go b/server/parser_function.go similarity index 64% rename from src/parser_function.go rename to server/parser_function.go index 86451b3..aea2c87 100644 --- a/src/parser_function.go +++ b/server/parser_function.go @@ -3,7 +3,7 @@ package main import ( "strings" - pgQuery "github.com/pganalyze/pg_query_go/v5" + pgQuery "github.com/pganalyze/pg_query_go/v6" ) type ParserFunction struct { @@ -29,7 +29,7 @@ func (parser *ParserFunction) FirstArgumentToString(functionCall *pgQuery.FuncCa // n from (FUNCTION()).n func (parser *ParserFunction) IndirectionName(targetNode *pgQuery.Node) string { indirection := targetNode.GetResTarget().Val.GetAIndirection() - if indirection != nil { + if indirection != nil && len(indirection.Indirection) == 1 && indirection.Indirection[0].GetString_() != nil { return indirection.Indirection[0].GetString_().Sval } @@ -51,19 +51,52 @@ func (parser *ParserFunction) SchemaFunction(functionCall *pgQuery.FuncCall) *Qu } // pg_catalog.func() -> main.func() -func (parser *ParserFunction) RemapSchemaToMain(functionCall *pgQuery.FuncCall) *pgQuery.FuncCall { +func (parser *ParserFunction) RemapSchemaToMain(functionCall *pgQuery.FuncCall) { switch len(functionCall.Funcname) { case 1: functionCall.Funcname = append([]*pgQuery.Node{pgQuery.MakeStrNode(DUCKDB_SCHEMA_MAIN)}, functionCall.Funcname...) case 2: functionCall.Funcname[0] = pgQuery.MakeStrNode(DUCKDB_SCHEMA_MAIN) + default: + Panic(parser.config, "Unexpected function name length: "+IntToString(len(functionCall.Funcname))) } +} - return functionCall +// jsonb_agg(...) -> to_json(array_agg(...)) +// +// DuckDB does not support jsonb_agg. We can't remap and fully support all features with just a macro: +// Function "jsonb_agg" is a Macro Function. "DISTINCT", "FILTER", and "ORDER BY" are only applicable to aggregate functions. +func (parser *ParserFunction) RemapJsonbAgg(functionCall *pgQuery.FuncCall) { + originalArgs := functionCall.Args + originalAggOrder := functionCall.AggOrder + originalAggFilter := functionCall.AggFilter + originalAggWithinGroup := functionCall.AggWithinGroup + originalAggStar := functionCall.AggStar + originalAggDistinct := functionCall.AggDistinct + + nestedFunctionCallNode := pgQuery.MakeFuncCallNode( + []*pgQuery.Node{pgQuery.MakeStrNode("array_agg")}, + originalArgs, + 0, + ) + nestedFunctionCall := nestedFunctionCallNode.GetFuncCall() + nestedFunctionCall.AggOrder = originalAggOrder + nestedFunctionCall.AggFilter = originalAggFilter + nestedFunctionCall.AggWithinGroup = originalAggWithinGroup + nestedFunctionCall.AggStar = originalAggStar + nestedFunctionCall.AggDistinct = originalAggDistinct + + functionCall.Funcname = []*pgQuery.Node{pgQuery.MakeStrNode("to_json")} + functionCall.Args = []*pgQuery.Node{nestedFunctionCallNode} + functionCall.AggOrder = nil + functionCall.AggFilter = nil + functionCall.AggWithinGroup = false + functionCall.AggStar = false + functionCall.AggDistinct = false } // format('%s %1$s', str) -> printf('%1$s %1$s', str) -func (parser *ParserFunction) RemapFormatToPrintf(functionCall *pgQuery.FuncCall) *pgQuery.FuncCall { +func (parser *ParserFunction) RemapFormatToPrintf(functionCall *pgQuery.FuncCall) { format := parser.FirstArgumentToString(functionCall) for i := range functionCall.Args[1:] { format = strings.Replace(format, "%s", "%"+IntToString(i+1)+"$s", 1) @@ -71,7 +104,6 @@ func (parser *ParserFunction) RemapFormatToPrintf(functionCall *pgQuery.FuncCall functionCall.Funcname = []*pgQuery.Node{pgQuery.MakeStrNode("printf")} functionCall.Args[0] = pgQuery.MakeAConstStrNode(format, 0) - return functionCall } // encode(sha256(...), 'hex') -> sha256(...) @@ -101,14 +133,3 @@ func (parser *ParserFunction) RemoveEncode(functionCall *pgQuery.FuncCall) { functionCall.Funcname = nestedFunctionCall.Funcname functionCall.Args = nestedFunctionCall.Args } - -// to_timestamp(...) -func (parser *ParserFunction) RemapToTimestamp(functionCall *pgQuery.FuncCall, timestamp int64) { - functionCall.Funcname = []*pgQuery.Node{pgQuery.MakeStrNode("to_timestamp")} - - if timestamp == 0 { - functionCall.Args[0] = parser.utils.MakeNullNode() - } else { - functionCall.Args[0] = pgQuery.MakeAConstIntNode(timestamp, 0) - } -} diff --git a/server/parser_select.go b/server/parser_select.go new file mode 100644 index 0000000..be5b9d8 --- /dev/null +++ b/server/parser_select.go @@ -0,0 +1,31 @@ +package main + +import ( + pgQuery "github.com/pganalyze/pg_query_go/v6" +) + +type ParserSelect struct { + config *Config + utils *ParserUtils +} + +func NewParserSelect(config *Config) *ParserSelect { + return &ParserSelect{config: config, utils: NewParserUtils(config)} +} + +func (parser *ParserSelect) SetTargetNameIfEmpty(targetNode *pgQuery.Node, name string) { + target := targetNode.GetResTarget() + + if target.Name == "" { + target.Name = name + } +} + +func (parser *ParserSelect) SetTargetName(targetNode *pgQuery.Node, name string) { + target := targetNode.GetResTarget() + target.Name = name +} + +func (parser *ParserSelect) TargetName(targetNode *pgQuery.Node) string { + return targetNode.GetResTarget().Name +} diff --git a/src/parser_show.go b/server/parser_show.go similarity index 97% rename from src/parser_show.go rename to server/parser_show.go index 2bf0951..73d90e7 100644 --- a/src/parser_show.go +++ b/server/parser_show.go @@ -1,7 +1,7 @@ package main import ( - pgQuery "github.com/pganalyze/pg_query_go/v5" + pgQuery "github.com/pganalyze/pg_query_go/v6" ) type ParserShow struct { diff --git a/server/parser_table.go b/server/parser_table.go new file mode 100644 index 0000000..df4b40c --- /dev/null +++ b/server/parser_table.go @@ -0,0 +1,150 @@ +package main + +import ( + pgQuery "github.com/pganalyze/pg_query_go/v6" +) + +type QueryToIcebergTable struct { + QuerySchemaTable QuerySchemaTable + IcebergTablePath string +} + +type ParserTable struct { + config *Config + utils *ParserUtils +} + +func NewParserTable(config *Config) *ParserTable { + return &ParserTable{config: config, utils: NewParserUtils(config)} +} + +func (parser *ParserTable) NodeToQuerySchemaTable(node *pgQuery.Node) QuerySchemaTable { + rangeVar := node.GetRangeVar() + var alias string + + if rangeVar.Alias != nil { + alias = rangeVar.Alias.Aliasname + } + + return QuerySchemaTable{ + Schema: rangeVar.Schemaname, + Table: rangeVar.Relname, + Alias: alias, + } +} + +func (parser *ParserTable) RemapSchemaToMain(node *pgQuery.Node) { + node.GetRangeVar().Schemaname = DUCKDB_SCHEMA_MAIN +} + +// Other information_schema.* tables +func (parser *ParserTable) IsTableFromInformationSchema(qSchemaTable QuerySchemaTable) bool { + return qSchemaTable.Schema == PG_SCHEMA_INFORMATION_SCHEMA +} + +// public.table -> (SELECT * FROM iceberg_scan('path')) table +// schema.table -> (SELECT * FROM iceberg_scan('path')) schema_table +// public.table -> (SELECT permitted, columns FROM iceberg_scan('path')) table +// public.table -> (SELECT NULL WHERE FALSE) table +// public.table t -> (SELECT * FROM iceberg_scan('path')) t +func (parser *ParserTable) MakeIcebergTableNode(queryToIcebergTable QueryToIcebergTable) *pgQuery.Node { + query := "SELECT * FROM iceberg_scan('" + queryToIcebergTable.IcebergTablePath + "')" + return parser.makeSubselectNode(query, queryToIcebergTable.QuerySchemaTable) +} + +// information_schema.tables -> (SELECT * FROM main.tables) information_schema_tables +// information_schema.tables t -> (SELECT * FROM main.tables) t +func (parser *ParserTable) MakeInformationSchemaTablesNode(qSchemaTable QuerySchemaTable) *pgQuery.Node { + query := "SELECT * FROM main.tables" + return parser.makeSubselectNode(query, qSchemaTable) +} + +// information_schema.columns -> (SELECT * FROM main.columns) information_schema_columns +// information_schema.columns c -> (SELECT * FROM main.columns) c +func (parser *ParserTable) MakeInformationSchemaColumnsNode(qSchemaTable QuerySchemaTable) *pgQuery.Node { + query := "SELECT * FROM main.columns" + return parser.makeSubselectNode(query, qSchemaTable) +} + +func (parser *ParserTable) TopLevelSchemaFunction(rangeFunction *pgQuery.RangeFunction) *QuerySchemaFunction { + if len(rangeFunction.Functions) == 0 || len(rangeFunction.Functions[0].GetList().Items) == 0 { + return nil + } + + functionNode := rangeFunction.Functions[0].GetList().Items[0] + if functionNode.GetFuncCall() == nil { + return nil // E.g., system PG calls like "... FROM user" => sqlvalue_function:{op:SVFOP_USER} + } + + return parser.utils.SchemaFunction(functionNode.GetFuncCall()) +} + +func (parser *ParserTable) TableFunctionCalls(rangeFunction *pgQuery.RangeFunction) []*pgQuery.FuncCall { + functionCalls := []*pgQuery.FuncCall{} + + for _, funcNode := range rangeFunction.Functions { + for _, funcItemNode := range funcNode.GetList().Items { + functionCall := funcItemNode.GetFuncCall() + if functionCall != nil { + functionCalls = append(functionCalls, functionCall) + } + } + } + + return functionCalls +} + +func (parser *ParserTable) Alias(rangeFunction *pgQuery.RangeFunction) string { + if rangeFunction.GetAlias() != nil { + return rangeFunction.GetAlias().Aliasname + } + + return "" +} + +func (parser *ParserTable) SetAlias(rangeFunction *pgQuery.RangeFunction, alias string, columnName string) { + rangeFunction.Alias = &pgQuery.Alias{ + Aliasname: alias, + Colnames: []*pgQuery.Node{pgQuery.MakeStrNode(columnName)}, + } +} + +func (parser *ParserTable) SetAliasIfNotExists(rangeFunction *pgQuery.RangeFunction, alias string) { + if rangeFunction.GetAlias() != nil { + return + } + + rangeFunction.Alias = &pgQuery.Alias{Aliasname: alias} +} + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +// (query) AS qSchemaTable +func (parser *ParserTable) makeSubselectNode(query string, qSchemaTable QuerySchemaTable) *pgQuery.Node { + queryTree, err := pgQuery.Parse(query) + PanicIfError(parser.config, err) + + alias := qSchemaTable.Alias + if alias == "" { + if qSchemaTable.Schema == PG_SCHEMA_PUBLIC || qSchemaTable.Schema == "" { + alias = qSchemaTable.Table + } else { + alias = qSchemaTable.Schema + "_" + qSchemaTable.Table + } + } + + return &pgQuery.Node{ + Node: &pgQuery.Node_RangeSubselect{ + RangeSubselect: &pgQuery.RangeSubselect{ + Subquery: &pgQuery.Node{ + Node: &pgQuery.Node_SelectStmt{ + SelectStmt: queryTree.Stmts[0].Stmt.GetSelectStmt(), + }, + }, + Alias: &pgQuery.Alias{ + Aliasname: alias, + }, + }, + }, + } +} diff --git a/src/parser_type_cast.go b/server/parser_type_cast.go similarity index 77% rename from src/parser_type_cast.go rename to server/parser_type_cast.go index 039dba8..5349c5d 100644 --- a/src/parser_type_cast.go +++ b/server/parser_type_cast.go @@ -3,7 +3,9 @@ package main import ( "strings" - pgQuery "github.com/pganalyze/pg_query_go/v5" + pgQuery "github.com/pganalyze/pg_query_go/v6" + "google.golang.org/protobuf/proto" + "google.golang.org/protobuf/reflect/protoreflect" ) type ParserTypeCast struct { @@ -11,6 +13,37 @@ type ParserTypeCast struct { config *Config } +func (parser *ParserTypeCast) TextArrayParameters(message proto.Message) map[int]bool { + parameters := make(map[int]bool) + + var visit func(protoreflect.Message) + visit = func(current protoreflect.Message) { + if typeCast, ok := current.Interface().(*pgQuery.TypeCast); ok { + typeName := parser.TypeName(typeCast) + if typeName == "text[]" || typeName == "pg_catalog.text[]" { + if parameter := typeCast.Arg.GetParamRef(); parameter != nil { + parameters[int(parameter.Number)] = true + } + } + } + + current.Range(func(field protoreflect.FieldDescriptor, value protoreflect.Value) bool { + if field.IsList() && field.Kind() == protoreflect.MessageKind { + list := value.List() + for i := 0; i < list.Len(); i++ { + visit(list.Get(i).Message()) + } + } else if field.Kind() == protoreflect.MessageKind { + visit(value.Message()) + } + return true + }) + } + + visit(message.ProtoReflect()) + return parameters +} + func NewParserTypeCast(config *Config) *ParserTypeCast { return &ParserTypeCast{utils: NewParserUtils(config), config: config} } @@ -49,6 +82,14 @@ func (parser *ParserTypeCast) TypeName(typeCast *pgQuery.TypeCast) string { return typeName } +func (parser *ParserTypeCast) SetTypeName(typeCast *pgQuery.TypeCast, typeName string) { + if typeCast == nil || len(typeCast.TypeName.Names) != 1 { + return + } + + typeCast.TypeName.Names[0] = pgQuery.MakeStrNode(typeName) +} + func (parser *ParserTypeCast) NestedTypeCast(typeCast *pgQuery.TypeCast) *pgQuery.TypeCast { return parser.TypeCast(typeCast.Arg) } @@ -80,7 +121,12 @@ func (parser *ParserTypeCast) SetTypeCastArg(typeCast *pgQuery.TypeCast, arg *pg } func (parser *ParserTypeCast) MakeListValueFromArray(node *pgQuery.Node) *pgQuery.Node { - arrayStr := node.GetAConst().GetSval().Sval + arrayConstant := node.GetAConst() + if arrayConstant == nil || arrayConstant.GetSval() == nil { + return node + } + + arrayStr := arrayConstant.GetSval().Sval arrayStr = strings.Trim(arrayStr, "{}") elements := strings.Split(arrayStr, ",") diff --git a/server/parser_utils.go b/server/parser_utils.go new file mode 100644 index 0000000..c4df726 --- /dev/null +++ b/server/parser_utils.go @@ -0,0 +1,41 @@ +package main + +import ( + pgQuery "github.com/pganalyze/pg_query_go/v6" +) + +type ParserUtils struct { + config *Config +} + +func NewParserUtils(config *Config) *ParserUtils { + return &ParserUtils{config: config} +} + +func (utils *ParserUtils) SchemaFunction(functionCall *pgQuery.FuncCall) *QuerySchemaFunction { + switch len(functionCall.Funcname) { + case 1: + return &QuerySchemaFunction{ + Schema: "", + Function: functionCall.Funcname[0].GetString_().Sval, + } + case 2: + return &QuerySchemaFunction{ + Schema: functionCall.Funcname[0].GetString_().Sval, + Function: functionCall.Funcname[1].GetString_().Sval, + } + default: + Panic(utils.config, "Invalid function call") + return nil + } +} + +func (utils *ParserUtils) MakeNullNode() *pgQuery.Node { + return &pgQuery.Node{ + Node: &pgQuery.Node_AConst{ + AConst: &pgQuery.A_Const{ + Isnull: true, + }, + }, + } +} diff --git a/src/pg_constants.go b/server/pg_constants.go similarity index 82% rename from src/pg_constants.go rename to server/pg_constants.go index 7ad5229..0559546 100644 --- a/src/pg_constants.go +++ b/server/pg_constants.go @@ -1,21 +1,30 @@ package main +import () + const ( PG_SCHEMA_INFORMATION_SCHEMA = "information_schema" PG_SCHEMA_PG_CATALOG = "pg_catalog" PG_SCHEMA_PUBLIC = "public" + PG_SCHEMA_SEARCH = "search" - PG_FUNCTION_FORMAT = "format" - PG_FUNCTION_ENCODE = "encode" + PG_FUNCTION_FORMAT = "format" + PG_FUNCTION_ENCODE = "encode" + PG_FUNCTION_JSONB_AGG = "jsonb_agg" + PG_FUNCTION_JSON_ARRAY_ELEMENTS = "json_array_elements" + PG_FUNCTION_JSONB_ARRAY_ELEMENTS = "jsonb_array_elements" + PG_TABLE_PG_MATVIEWS = "pg_matviews" + PG_TABLE_PG_ATTRIBUTE = "pg_attribute" PG_TABLE_PG_CLASS = "pg_class" PG_TABLE_PG_STAT_USER_TABLES = "pg_stat_user_tables" PG_TABLE_TABLES = "tables" + PG_TABLE_COLUMNS = "columns" PG_VAR_SEARCH_PATH = "search_path" ) -var PG_SYSTEM_TABLES = NewSet([]string{ +var PG_SYSTEM_TABLES = NewSet[string]().AddAll([]string{ "pg_aggregate", "pg_am", "pg_amop", @@ -88,7 +97,7 @@ var PG_SYSTEM_TABLES = NewSet([]string{ "pg_views", }) -var PG_SYSTEM_VIEWS = NewSet([]string{ +var PG_SYSTEM_VIEWS = NewSet[string]().AddAll([]string{ "pg_stat_activity", "pg_stat_replication", "pg_stat_wal_receiver", diff --git a/server/postgres_server.go b/server/postgres_server.go new file mode 100644 index 0000000..bcaded2 --- /dev/null +++ b/server/postgres_server.go @@ -0,0 +1,309 @@ +package main + +import ( + "errors" + "fmt" + "net" + "strings" + "time" + + "github.com/jackc/pgx/v5/pgproto3" +) + +const ( + PG_VERSION = "17.0" + PG_ENCODING = "UTF8" + PG_TX_STATUS_IDLE = 'I' + + RETRY_SIMPLE_QUERY_TIMEOUT = 5 * time.Second + CLIENT_ERROR_MESSAGE = "internal server error" +) + +type PostgresServer struct { + backend *pgproto3.Backend + conn *net.Conn + config *Config +} + +func NewPostgresServer(config *Config, conn *net.Conn) *PostgresServer { + return &PostgresServer{ + conn: conn, + backend: pgproto3.NewBackend(*conn, *conn), + config: config, + } +} + +func NewTcpListener(config *Config) net.Listener { + parsedIp := net.ParseIP(config.Host) + if parsedIp == nil { + PrintErrorAndExit(config, "Invalid host: "+config.Host+".") + } + + var network, host string + if parsedIp.To4() == nil { + network = "tcp6" + host = "[" + config.Host + "]" + } else { + network = "tcp4" + host = config.Host + } + + tcpListener, err := net.Listen(network, host+":"+config.Port) + PanicIfError(config, err) + return tcpListener +} + +func AcceptConnection(config *Config, listener net.Listener) net.Conn { + conn, err := listener.Accept() + PanicIfError(config, err) + return conn +} + +func (server *PostgresServer) Run(runtimeProvider func(*Config) (*QueryHandler, func(), error)) { + err := server.handleStartup() + if err != nil { + LogError(server.config, "Error handling startup:", err) + return // Terminate connection + } + for { + message, err := server.backend.Receive() + if err != nil { + return // Terminate connection + } + + switch message := message.(type) { + case *pgproto3.Query: + queryHandler, releaseRuntime, err := runtimeProvider(server.config) + if err != nil { + server.writeError(fmt.Errorf("failed to initialize database runtime: %w", err)) + continue + } + server.handleSimpleQuery(queryHandler, message) + releaseRuntime() + case *pgproto3.Parse: + queryHandler, releaseRuntime, err := runtimeProvider(server.config) + if err != nil { + server.writeError(fmt.Errorf("failed to initialize database runtime: %w", err)) + continue + } + err = server.handleExtendedQuery(queryHandler, message) // recursion + releaseRuntime() + if err != nil { + return // Terminate connection + } + case *pgproto3.Terminate: + LogDebug(server.config, "Client terminated connection") + return + default: + LogError(server.config, "Received message other than Query from client:", message) + return // Terminate connection + } + } +} + +func (server *PostgresServer) Close() error { + return (*server.conn).Close() +} + +func (server *PostgresServer) handleSimpleQuery(queryHandler *QueryHandler, queryMessage *pgproto3.Query) { + LogDebug(server.config, "Received query:", queryMessage.String) + messages, err := queryHandler.HandleSimpleQuery(queryMessage.String) + if err != nil { + if server.isS3NotFoundError(err) { + LogDebug(server.config, "Retrying query due to resynced table") + time.Sleep(RETRY_SIMPLE_QUERY_TIMEOUT) + messages, err = queryHandler.HandleSimpleQuery(queryMessage.String) + } + if err != nil { + server.writeError(err) + return + } + } + messages = append(messages, &pgproto3.ReadyForQuery{TxStatus: PG_TX_STATUS_IDLE}) + server.writeMessages(messages...) +} + +func (server *PostgresServer) isS3NotFoundError(err error) bool { + return strings.Contains(err.Error(), "v1.metadata.json\": 404 (Not Found)") || + strings.Contains(err.Error(), "v1.metadata.json': (HTTP 404)") || + strings.Contains(err.Error(), ".parquet' (HTTP 404)") || + strings.Contains(err.Error(), ".avro' (HTTP 404)") +} + +func (server *PostgresServer) handleExtendedQuery(queryHandler *QueryHandler, parseMessage *pgproto3.Parse) error { + LogDebug(server.config, "Parsing query", parseMessage.Query) + messages, preparedStatement, err := queryHandler.HandleParseQuery(parseMessage) + if err != nil { + server.writeError(err) + return nil + } + server.writeMessages(messages...) + + var previousErr error + for { + message, err := server.backend.Receive() + if err != nil { + return err + } + + switch message := message.(type) { + case *pgproto3.Bind: + if previousErr != nil { // Skip processing the next message if there was an error in the previous message + continue + } + + LogDebug(server.config, "Binding query", message.PreparedStatement) + messages, preparedStatement, err = queryHandler.HandleBindQuery(message, preparedStatement) + if err != nil { + server.writeError(err) + previousErr = err + } + server.writeMessages(messages...) + case *pgproto3.Describe: + if previousErr != nil { // Skip processing the next message if there was an error in the previous message + continue + } + + LogDebug(server.config, "Describing query", message.Name, "("+string(message.ObjectType)+")") + var messages []pgproto3.Message + messages, preparedStatement, err = queryHandler.HandleDescribeQuery(message, preparedStatement) + if err != nil { + server.writeError(err) + previousErr = err + } + server.writeMessages(messages...) + case *pgproto3.Execute: + if previousErr != nil { // Skip processing the next message if there was an error in the previous message + continue + } + + LogDebug(server.config, "Executing query", message.Portal) + messages, err := queryHandler.HandleExecuteQuery(message, preparedStatement) + if err != nil { + server.writeError(err) + previousErr = err + } + server.writeMessages(messages...) + case *pgproto3.Sync: + LogDebug(server.config, "Syncing query") + server.writeMessages( + &pgproto3.ReadyForQuery{TxStatus: PG_TX_STATUS_IDLE}, + ) + + // If there was an error or Parse->Bind->Sync (...) or Parse->Describe->Sync (e.g., Metabase) + // it means that sync is the last message in the extended query protocol, we can exit handleExtendedQuery + if previousErr != nil || preparedStatement.Bound || preparedStatement.Described { + return nil + } + // Otherwise, wait for Bind/Describe/Execute/Sync. + // For example, psycopg sends Parse->[extra Sync]->Bind->Describe->Execute->Sync + case *pgproto3.Parse: + server.handleExtendedQuery(queryHandler, message) // self-recursion + return nil + case *pgproto3.Flush: + // Ignore Flush messages, as we are sending responses immediately. + case *pgproto3.Close: + LogDebug(server.config, "Closing prepared statement", message.Name) + server.writeMessages(&pgproto3.CloseComplete{}) + default: + LogError(server.config, fmt.Sprintf("Received unexpected message type from client: %T", message)) + return fmt.Errorf("received unexpected message type from client: %T", message) + } + } +} + +func (server *PostgresServer) writeMessages(messages ...pgproto3.Message) { + var buf []byte + for _, message := range messages { + buf, _ = message.Encode(buf) + } + (*server.conn).Write(buf) +} + +func (server *PostgresServer) writeError(err error) { + LogError(server.config, err.Error()) + severity := PG_ERROR_SEVERITY_ERROR + code := PG_ERROR_CODE_INTERNAL_ERROR + message := CLIENT_ERROR_MESSAGE + var clientError *ClientError + if errors.As(err, &clientError) { + severity = clientError.Severity + code = clientError.Code + message = clientError.Message + } + + messages := []pgproto3.Message{ + &pgproto3.ErrorResponse{ + Severity: severity, + Code: code, + Message: message, + }, + } + if severity != PG_ERROR_SEVERITY_FATAL { + messages = append(messages, &pgproto3.ReadyForQuery{TxStatus: PG_TX_STATUS_IDLE}) + } + server.writeMessages(messages...) +} + +func (server *PostgresServer) handleStartup() error { + startupMessage, err := server.backend.ReceiveStartupMessage() + if err != nil { + return err + } + + switch startupMessage := startupMessage.(type) { + case *pgproto3.StartupMessage: + params := startupMessage.Parameters + LogDebug(server.config, "PgStack: startup message", params) + + connectionConfig, err := server.configForStartup(params["database"], params["user"]) + if err != nil { + server.writeError(err) + return err + } + server.config = connectionConfig + if err := server.authenticateStartup(params["user"]); err != nil { + server.writeError(err) + return err + } + + server.writeMessages( + &pgproto3.AuthenticationOk{}, + &pgproto3.ParameterStatus{Name: "client_encoding", Value: PG_ENCODING}, + &pgproto3.ParameterStatus{Name: "server_version", Value: PG_VERSION}, + &pgproto3.ReadyForQuery{TxStatus: PG_TX_STATUS_IDLE}, + ) + return nil + case *pgproto3.SSLRequest: + _, err = (*server.conn).Write([]byte("N")) + if err != nil { + return err + } + return server.handleStartup() + default: + return errors.New("unknown startup message") + } +} + +func (server *PostgresServer) configForStartup(database string, user string) (*Config, error) { + if database != server.config.Database { + message := "database \"" + database + "\" does not exist" + return nil, NewClientError( + PG_ERROR_SEVERITY_FATAL, + PG_ERROR_CODE_INVALID_CATALOG_NAME, + message, + errors.New(message), + ) + } + if !startupUserAllowed(server.config, user) { + message := "role \"" + user + "\" does not exist" + return nil, NewClientError( + PG_ERROR_SEVERITY_FATAL, + PG_ERROR_CODE_INVALID_AUTHORIZATION_SPECIFICATION, + message, + errors.New(message), + ) + } + + return server.config, nil +} diff --git a/server/postgres_server_test.go b/server/postgres_server_test.go new file mode 100644 index 0000000..177d3c9 --- /dev/null +++ b/server/postgres_server_test.go @@ -0,0 +1,37 @@ +package main + +import ( + "errors" + "testing" +) + +func TestConfigForStartupPreservesDatabaseError(t *testing.T) { + server := &PostgresServer{config: &Config{Database: "db_expected", User: "u_expected"}} + + _, err := server.configForStartup("db_missing", "u_expected") + if err == nil || err.Error() != `database "db_missing" does not exist` { + t.Fatalf("unexpected error: %v", err) + } + assertClientError(t, err, PG_ERROR_SEVERITY_FATAL, PG_ERROR_CODE_INVALID_CATALOG_NAME, `database "db_missing" does not exist`) +} + +func TestConfigForStartupPreservesRoleError(t *testing.T) { + server := &PostgresServer{config: &Config{Database: "db_expected", User: "u_expected"}} + + _, err := server.configForStartup("db_expected", "u_missing") + if err == nil || err.Error() != `role "u_missing" does not exist` { + t.Fatalf("unexpected error: %v", err) + } + assertClientError(t, err, PG_ERROR_SEVERITY_FATAL, PG_ERROR_CODE_INVALID_AUTHORIZATION_SPECIFICATION, `role "u_missing" does not exist`) +} + +func assertClientError(t *testing.T, err error, severity, code, message string) { + t.Helper() + var clientError *ClientError + if !errors.As(err, &clientError) { + t.Fatalf("error type = %T, want *ClientError", err) + } + if clientError.Severity != severity || clientError.Code != code || clientError.Message != message { + t.Fatalf("client error = %+v, want severity=%s code=%s message=%q", clientError, severity, code, message) + } +} diff --git a/server/query_handler.go b/server/query_handler.go new file mode 100644 index 0000000..e9cabf7 --- /dev/null +++ b/server/query_handler.go @@ -0,0 +1,573 @@ +package main + +import ( + "context" + "database/sql" + "encoding/binary" + "fmt" + "math" + "sort" + "strings" + "time" + + "github.com/google/uuid" + "github.com/jackc/pgx/v5/pgproto3" + "github.com/jackc/pgx/v5/pgtype" +) + +const ( + FALLBACK_SQL_QUERY = "SELECT 1" + PREPARE_STATEMENT_TIMEOUT = 30 * time.Second +) + +type QueryHandler struct { + Config *Config + ServerDuckdbClient *DuckdbClient + QueryRemapper *QueryRemapper + ResponseHandler *ResponseHandler + EmbeddingClient *EmbeddingClient +} + +type PreparedStatement struct { + // Parse + Name string + OriginalQuery string + Query string + Statement *sql.Stmt + ParameterOIDs []uint32 + // VectorParameters maps one-based PostgreSQL bind parameter numbers to + // search text/vector validation and generated search bindings. + VectorParameters map[int]SearchParameterSpec + // TextArrayParameters identifies PostgreSQL text[] values that need decoding + // from PostgreSQL's wire representation before DuckDB can bind them. + TextArrayParameters map[int]bool + + // Bind + Bound bool + Variables []interface{} + Portal string + + // Describe + Described bool + + // Describe/Execute + Rows *sql.Rows +} + +func NewQueryHandler(config *Config, serverDuckdbClient *DuckdbClient) (*QueryHandler, error) { + s3Client, err := NewS3Client(config) + if err != nil { + return nil, err + } + icebergReader := NewIcebergReader(config, s3Client) + + queryHandler := &QueryHandler{ + Config: config, + ServerDuckdbClient: serverDuckdbClient, + QueryRemapper: NewQueryRemapper(config, icebergReader, serverDuckdbClient), + ResponseHandler: NewResponseHandler(config), + EmbeddingClient: NewEmbeddingClient(config), + } + + return queryHandler, nil +} + +func (queryHandler *QueryHandler) HandleSimpleQuery(originalQuery string) ([]pgproto3.Message, error) { + remappedQuery, err := queryHandler.QueryRemapper.ParseAndRemapQuery(originalQuery) + if err != nil { + return nil, err + } + if len(remappedQuery.Statements) == 0 { + return []pgproto3.Message{&pgproto3.EmptyQueryResponse{}}, nil + } + if len(sortedGeneratedVectorParameterNumbers(remappedQuery.VectorParameters)) > 0 && len(remappedQuery.Statements) != 1 { + err := fmt.Errorf("search rank is only supported in a single simple-query statement") + return nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_FEATURE_NOT_SUPPORTED, err.Error(), err) + } + variables, err := queryHandler.resolveEmbeddedLiteralParameters(context.Background(), remappedQuery.VectorParameters) + if err != nil { + return nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_INVALID_PARAMETER_VALUE, err.Error(), err) + } + + var queriesMessages []pgproto3.Message + + for i, queryStatement := range remappedQuery.Statements { + LogInfo(queryHandler.Config, "Original query:", remappedQuery.OriginalStatements[i]) + LogInfo(queryHandler.Config, "Remapped query:", queryStatement) + rows, err := queryHandler.ServerDuckdbClient.QueryContext(context.Background(), queryStatement, variables...) + if err != nil { + errorMessage := err.Error() + LogError(queryHandler.Config, "Query execution error:", errorMessage) + if errorMessage == "Binder Error: UNNEST requires a single list as input" { + // https://github.com/duckdbClient/duckdb/issues/11693 + LogWarn(queryHandler.Config, "Couldn't handle query via DuckDB:", queryStatement+"\n"+err.Error()) + queriesMsgs, err := queryHandler.HandleSimpleQuery(FALLBACK_SQL_QUERY) // self-recursion + if err != nil { + return nil, err + } + queriesMessages = append(queriesMessages, queriesMsgs...) + continue + } else { + return nil, err + } + } + defer rows.Close() + + var queryMessages []pgproto3.Message + descriptionMessages, err := queryHandler.rowsToDescriptionMessages(rows, remappedQuery.OriginalStatements[i]) + if err != nil { + return nil, err + } + queryMessages = append(queryMessages, descriptionMessages...) + dataMessages, err := queryHandler.rowsToDataMessages(rows, remappedQuery.OriginalStatements[i]) + if err != nil { + return nil, err + } + queryMessages = append(queryMessages, dataMessages...) + + queriesMessages = append(queriesMessages, queryMessages...) + } + + return queriesMessages, nil +} + +func (queryHandler *QueryHandler) HandleParseQuery(message *pgproto3.Parse) ([]pgproto3.Message, *PreparedStatement, error) { + originalQuery := string(message.Query) + remappedQuery, err := queryHandler.QueryRemapper.ParseAndRemapQuery(originalQuery) + if err != nil { + return nil, nil, err + } + if len(remappedQuery.Statements) > 1 { + err := fmt.Errorf("multiple queries in a single parse message are not supported: %s", originalQuery) + return nil, nil, NewClientError( + PG_ERROR_SEVERITY_ERROR, + PG_ERROR_CODE_SYNTAX_ERROR, + "cannot insert multiple commands into a prepared statement", + err, + ) + } + + preparedStatement := &PreparedStatement{ + Name: message.Name, + OriginalQuery: originalQuery, + ParameterOIDs: message.ParameterOIDs, + VectorParameters: remappedQuery.VectorParameters, + TextArrayParameters: remappedQuery.TextArrayParameters, + } + if len(remappedQuery.Statements) == 0 { + return []pgproto3.Message{&pgproto3.ParseComplete{}}, preparedStatement, nil + } + + query := remappedQuery.Statements[0] + preparedStatement.Query = query + statement, err := queryHandler.prepareContextWithTimeout(query) + preparedStatement.Statement = statement + if err != nil { + return nil, nil, err + } + + return []pgproto3.Message{&pgproto3.ParseComplete{}}, preparedStatement, nil +} + +func (queryHandler *QueryHandler) prepareContextWithTimeout(query string) (*sql.Stmt, error) { + ctx := context.Background() + timeoutCtx, cancel := context.WithTimeout(ctx, PREPARE_STATEMENT_TIMEOUT) + defer cancel() + + type result struct { + statement *sql.Stmt + err error + } + resultChan := make(chan result, 1) + + go func() { + statement, err := queryHandler.ServerDuckdbClient.PrepareContext(timeoutCtx, query) + resultChan <- result{statement, err} + }() + + select { + case res := <-resultChan: + return res.statement, res.err + case <-timeoutCtx.Done(): + LogWarn(queryHandler.Config, "PrepareContext timed out, recreating DuckDB connection") + if err := queryHandler.ServerDuckdbClient.RecreateDb(); err != nil { + return nil, fmt.Errorf("failed to recreate DuckDB after prepare timeout: %w", err) + } + queryHandler.QueryRemapper.remapperTable.Reset() + return queryHandler.ServerDuckdbClient.PrepareContext(ctx, query) + } +} + +func (queryHandler *QueryHandler) HandleBindQuery(message *pgproto3.Bind, preparedStatement *PreparedStatement) ([]pgproto3.Message, *PreparedStatement, error) { + if message.PreparedStatement != preparedStatement.Name { + err := fmt.Errorf("prepared statement mismatch, %s instead of %s: %s", message.PreparedStatement, preparedStatement.Name, preparedStatement.OriginalQuery) + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_PROTOCOL_VIOLATION, "bind message references an unexpected prepared statement", err) + } + + var variables []interface{} + paramFormatCodes := message.ParameterFormatCodes + embeddingCache := make(map[string][]float32) + + for i, param := range message.Parameters { + parameterNumber := i + 1 + if param == nil { + if _, isVector := preparedStatement.VectorParameters[parameterNumber]; isVector { + err := fmt.Errorf("search rank parameter $%d cannot be NULL", parameterNumber) + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_INVALID_PARAMETER_VALUE, err.Error(), err) + } + variables = append(variables, nil) + continue + } + + textFormat := true + if len(paramFormatCodes) == 1 { + textFormat = paramFormatCodes[0] == 0 + } else if len(paramFormatCodes) > 1 { + textFormat = paramFormatCodes[i] == 0 + } + + if vectorSpec, isVector := preparedStatement.VectorParameters[parameterNumber]; isVector { + if vectorSpec.LiteralText != nil || vectorSpec.SourceParameter != 0 || vectorSpec.RowCountTable != "" { + err := fmt.Errorf("bind message supplied a hidden search rank parameter") + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_PROTOCOL_VIOLATION, err.Error(), err) + } + value, err := queryHandler.resolveSearchParameter(context.Background(), string(param), vectorSpec, embeddingCache) + if err != nil { + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_INVALID_PARAMETER_VALUE, err.Error(), err) + } + variables = append(variables, value) + } else if preparedStatement.TextArrayParameters[parameterNumber] { + value, err := parseTextArrayBindParameter(param, textFormat) + if err != nil { + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_INVALID_PARAMETER_VALUE, err.Error(), err) + } + variables = append(variables, value) + } else if textFormat { + variables = append(variables, string(param)) + } else if len(param) == 4 { + variables = append(variables, int32(binary.BigEndian.Uint32(param))) + } else if len(param) == 8 { + variables = append(variables, int64(binary.BigEndian.Uint64(param))) + } else if len(param) == 16 { + variables = append(variables, uuid.UUID(param).String()) + } else { + err := fmt.Errorf("unsupported parameter format: %v (length %d). Original query: %s", param, len(param), preparedStatement.OriginalQuery) + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_PROTOCOL_VIOLATION, "unsupported bind parameter format", err) + } + } + generatedParameterNumbers := sortedGeneratedVectorParameterNumbers(preparedStatement.VectorParameters) + for _, parameterNumber := range generatedParameterNumbers { + if parameterNumber != len(variables)+1 { + err := fmt.Errorf("hidden search rank parameter $%d is out of order", parameterNumber) + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_PROTOCOL_VIOLATION, err.Error(), err) + } + spec := preparedStatement.VectorParameters[parameterNumber] + text := "" + if spec.SourceParameter != 0 { + if spec.SourceParameter > len(message.Parameters) || message.Parameters[spec.SourceParameter-1] == nil { + return nil, nil, fmt.Errorf("unbound search text parameter $%d", spec.SourceParameter) + } + text = string(message.Parameters[spec.SourceParameter-1]) + } else if spec.LiteralText != nil { + text = *spec.LiteralText + } + value, err := queryHandler.resolveSearchParameter(context.Background(), text, spec, embeddingCache) + if err != nil { + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_INVALID_PARAMETER_VALUE, err.Error(), err) + } + variables = append(variables, value) + } + + LogDebug(queryHandler.Config, "Bound variables:", redactVectorVariables(variables, preparedStatement.VectorParameters)) + preparedStatement.Bound = true + preparedStatement.Variables = variables + preparedStatement.Portal = message.DestinationPortal + + messages := []pgproto3.Message{&pgproto3.BindComplete{}} + + return messages, preparedStatement, nil +} + +func parseTextArrayBindParameter(param []byte, textFormat bool) ([]string, error) { + formatCode := int16(pgtype.BinaryFormatCode) + if textFormat { + formatCode = pgtype.TextFormatCode + } + + var value []string + if err := pgtype.NewMap().Scan(pgtype.TextArrayOID, formatCode, param, &value); err != nil { + return nil, fmt.Errorf("invalid text[] bind parameter: %w", err) + } + return value, nil +} + +func (queryHandler *QueryHandler) resolveEmbeddedLiteralParameters(ctx context.Context, specs map[int]SearchParameterSpec) ([]interface{}, error) { + parameterNumbers := sortedGeneratedVectorParameterNumbers(specs) + if len(parameterNumbers) == 0 { + for parameterNumber, spec := range specs { + if spec.LiteralText == nil { + return nil, fmt.Errorf("search rank($%d) requires the extended query protocol", parameterNumber) + } + } + return nil, nil + } + variables := make([]interface{}, 0, len(parameterNumbers)) + cache := make(map[string][]float32) + for index, parameterNumber := range parameterNumbers { + if parameterNumber != index+1 { + return nil, fmt.Errorf("unbound parameter precedes search rank literal") + } + spec := specs[parameterNumber] + if spec.LiteralText == nil && spec.RowCountTable == "" { + return nil, fmt.Errorf("search rank requires the extended query protocol") + } + value, err := queryHandler.resolveSearchParameter(ctx, searchLiteralText(spec), spec, cache) + if err != nil { + return nil, err + } + variables = append(variables, value) + } + return variables, nil +} + +func sortedGeneratedVectorParameterNumbers(specs map[int]SearchParameterSpec) []int { + parameterNumbers := make([]int, 0) + for parameterNumber, spec := range specs { + if spec.LiteralText != nil || spec.SourceParameter != 0 || spec.RowCountTable != "" { + parameterNumbers = append(parameterNumbers, parameterNumber) + } + } + sort.Ints(parameterNumbers) + return parameterNumbers +} + +func searchLiteralText(spec SearchParameterSpec) string { + if spec.LiteralText != nil { + return *spec.LiteralText + } + return "" +} + +func (queryHandler *QueryHandler) resolveSearchParameter(ctx context.Context, text string, spec SearchParameterSpec, cache map[string][]float32) (interface{}, error) { + if spec.RowCountTable != "" { + var count int64 + rows, err := queryHandler.ServerDuckdbClient.QueryContext(ctx, "SELECT count(*) FROM "+spec.RowCountTable) + if err != nil { + return nil, err + } + defer rows.Close() + if !rows.Next() { + return nil, fmt.Errorf("failed to count Search chunks: %v", rows.Err()) + } + err = rows.Scan(&count) + return max(int64(1), count), err + } + if spec.TextOnly { + if err := validateEmbeddingInput(text); err != nil { + return nil, err + } + return text, nil + } + return queryHandler.embedVectorParameter(ctx, text, spec, cache) +} + +func (queryHandler *QueryHandler) embedVectorParameter(ctx context.Context, text string, spec SearchParameterSpec, cache map[string][]float32) ([]float32, error) { + if err := validateEmbeddingInput(text); err != nil { + return nil, err + } + if cache != nil { + if vector, ok := cache[text]; ok { + return vector, nil + } + } + vector, err := queryHandler.EmbeddingClient.Embed(ctx, text) + if err != nil { + return nil, queryHandler.hiddenEmbeddingError(err) + } + if len(vector) != spec.Dimensions { + return nil, queryHandler.hiddenEmbeddingError(fmt.Errorf("embedding response must have %d dimensions, got %d", spec.Dimensions, len(vector))) + } + normSquared := 0.0 + for _, component := range vector { + if math.IsNaN(float64(component)) || math.IsInf(float64(component), 0) { + return nil, queryHandler.hiddenEmbeddingError(fmt.Errorf("embedding response components must be finite REAL values")) + } + normSquared += float64(component) * float64(component) + } + if spec.RequireNonZero && normSquared == 0 { + return nil, queryHandler.hiddenEmbeddingError(fmt.Errorf("cosine distance requires a non-zero embedding response")) + } + if cache != nil { + cache[text] = vector + } + return vector, nil +} + +func (queryHandler *QueryHandler) hiddenEmbeddingError(err error) error { + LogError(queryHandler.Config, "search rank failed:", err) + return fmt.Errorf("search rank failed") +} + +func (queryHandler *QueryHandler) HandleDescribeQuery(message *pgproto3.Describe, preparedStatement *PreparedStatement) ([]pgproto3.Message, *PreparedStatement, error) { + switch message.ObjectType { + case 'S': // Statement + if message.Name != preparedStatement.Name { + err := fmt.Errorf("statement mismatch, %s instead of %s: %s", message.Name, preparedStatement.Name, preparedStatement.OriginalQuery) + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_PROTOCOL_VIOLATION, "describe message references an unexpected prepared statement", err) + } + case 'P': // Portal + if message.Name != preparedStatement.Portal { + err := fmt.Errorf("portal mismatch, %s instead of %s: %s", message.Name, preparedStatement.Portal, preparedStatement.OriginalQuery) + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_PROTOCOL_VIOLATION, "describe message references an unexpected portal", err) + } + default: + err := fmt.Errorf("unsupported describe object type: %c. Original query: %s", message.ObjectType, preparedStatement.OriginalQuery) + return nil, nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_PROTOCOL_VIOLATION, "unsupported describe object type", err) + } + + preparedStatement.Described = true + if preparedStatement.Query == "" || !preparedStatement.Bound { // Empty query or Parse->[No Bind]->Describe + return []pgproto3.Message{&pgproto3.NoData{}}, preparedStatement, nil + } + + rows, err := preparedStatement.Statement.QueryContext(context.Background(), preparedStatement.Variables...) + if err != nil { + return nil, nil, fmt.Errorf("couldn't execute statement: %w. Original query: %s", err, preparedStatement.OriginalQuery) + } + preparedStatement.Rows = rows + + messages, err := queryHandler.rowsToDescriptionMessages(preparedStatement.Rows, preparedStatement.OriginalQuery) + if err != nil { + return nil, nil, err + } + return messages, preparedStatement, nil +} + +func (queryHandler *QueryHandler) HandleExecuteQuery(message *pgproto3.Execute, preparedStatement *PreparedStatement) ([]pgproto3.Message, error) { + if message.Portal != preparedStatement.Portal { + err := fmt.Errorf("portal mismatch, %s instead of %s: %s", message.Portal, preparedStatement.Portal, preparedStatement.OriginalQuery) + return nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_PROTOCOL_VIOLATION, "execute message references an unexpected portal", err) + } + + if preparedStatement.Query == "" { + return []pgproto3.Message{&pgproto3.EmptyQueryResponse{}}, nil + } + + if preparedStatement.Rows == nil { // Parse->[No Bind]->Describe->Execute or Parse->Bind->[No Describe]->Execute + rows, err := preparedStatement.Statement.QueryContext(context.Background(), preparedStatement.Variables...) + if err != nil { + return nil, err + } + preparedStatement.Rows = rows + } + + defer preparedStatement.Rows.Close() + + return queryHandler.rowsToDataMessages(preparedStatement.Rows, preparedStatement.OriginalQuery) +} + +func (queryHandler *QueryHandler) rowsToDescriptionMessages(rows *sql.Rows, originalQuery string) ([]pgproto3.Message, error) { + cols, err := rows.ColumnTypes() + if err != nil { + return nil, fmt.Errorf("couldn't get column types: %w. Original query: %s", err, originalQuery) + } + + var messages []pgproto3.Message + + rowDescription := queryHandler.generateRowDescription(cols) + if rowDescription != nil { + messages = append(messages, rowDescription) + } + + return messages, nil +} + +func (queryHandler *QueryHandler) rowsToDataMessages(rows *sql.Rows, originalQuery string) ([]pgproto3.Message, error) { + cols, err := rows.ColumnTypes() + if err != nil { + return nil, fmt.Errorf("couldn't get column types: %w. Original query: %s", err, originalQuery) + } + + var messages []pgproto3.Message + for rows.Next() { + dataRow, err := queryHandler.generateDataRow(rows, cols) + if err != nil { + return nil, fmt.Errorf("couldn't get data row: %w. Original query: %s", err, originalQuery) + } + messages = append(messages, dataRow) + } + if err := rows.Err(); err != nil { + return nil, fmt.Errorf("couldn't read query results: %w. Original query: %s", err, originalQuery) + } + + commandTag := FALLBACK_SQL_QUERY + upperOriginalQueryStatement := strings.ToUpper(originalQuery) + switch { + case strings.HasPrefix(upperOriginalQueryStatement, "SET "): + commandTag = "SET" + case strings.HasPrefix(upperOriginalQueryStatement, "SHOW "): + commandTag = "SHOW" + case strings.HasPrefix(upperOriginalQueryStatement, "DISCARD ALL"): + commandTag = "DISCARD ALL" + case strings.HasPrefix(upperOriginalQueryStatement, "BEGIN"): + commandTag = "BEGIN" + case strings.HasPrefix(upperOriginalQueryStatement, "COMMIT"): + commandTag = "COMMIT" + case strings.HasPrefix(upperOriginalQueryStatement, "CREATE MATERIALIZED VIEW "): + commandTag = "CREATE MATERIALIZED VIEW" + case strings.HasPrefix(upperOriginalQueryStatement, "DROP MATERIALIZED VIEW "): + commandTag = "DROP MATERIALIZED VIEW" + case strings.HasPrefix(upperOriginalQueryStatement, "REFRESH MATERIALIZED VIEW "): + commandTag = "REFRESH MATERIALIZED VIEW" + default: + // Fallback to SELECT from FALLBACK_SQL_QUERY + } + + messages = append(messages, &pgproto3.CommandComplete{CommandTag: []byte(commandTag)}) + return messages, nil +} + +func (queryHandler *QueryHandler) generateRowDescription(cols []*sql.ColumnType) *pgproto3.RowDescription { + description := pgproto3.RowDescription{Fields: []pgproto3.FieldDescription{}} + + for _, col := range cols { + typeIod := queryHandler.ResponseHandler.ColumnDescriptionTypeOid(col) + + if col.Name() == "Success" && typeIod == pgtype.BoolOID && len(cols) == 1 { + // Skip the "Success" DuckDBClient column returned from SET ... commands + return nil + } + + description.Fields = append(description.Fields, pgproto3.FieldDescription{ + Name: []byte(col.Name()), + TableOID: 0, + TableAttributeNumber: 0, + DataTypeOID: typeIod, + DataTypeSize: -1, + TypeModifier: -1, + Format: 0, + }) + } + return &description +} + +func (queryHandler *QueryHandler) generateDataRow(rows *sql.Rows, cols []*sql.ColumnType) (*pgproto3.DataRow, error) { + valuePointers := make([]interface{}, len(cols)) + for i, col := range cols { + valuePointers[i] = queryHandler.ResponseHandler.RowValuePointer(col) + } + + err := rows.Scan(valuePointers...) + if err != nil { + return nil, err + } + + var values [][]byte + for i, valuePointer := range valuePointers { + value := queryHandler.ResponseHandler.RowValueBytes(valuePointer, cols[i]) + values = append(values, value) + } + dataRow := pgproto3.DataRow{Values: values} + + return &dataRow, nil +} diff --git a/server/query_handler_test.go b/server/query_handler_test.go new file mode 100644 index 0000000..a37a07b --- /dev/null +++ b/server/query_handler_test.go @@ -0,0 +1,1025 @@ +package main + +import ( + "context" + "encoding/binary" + "fmt" + "net/http" + "net/http/httptest" + "slices" + "strings" + "testing" + + "github.com/jackc/pgx/v5/pgproto3" + "github.com/jackc/pgx/v5/pgtype" +) + +type queryResponseExpectation struct { + query string + columnNames []string + values []string +} + +func TestHandleQueryFixedSizeFloatArray(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + if _, err := queryHandler.ServerDuckdbClient.ExecContext( + context.Background(), + "CREATE TABLE public.fixed_vector AS SELECT [1.0, 2.0]::FLOAT[2] AS embedding", + ); err != nil { + t.Fatalf("create fixed-size array fixture: %v", err) + } + messages, err := queryHandler.HandleSimpleQuery("SELECT embedding FROM fixed_vector") + if err != nil { + t.Fatalf("handle fixed-size array query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.RowDescription", "*pgproto3.DataRow", "*pgproto3.CommandComplete") + + description := messages[0].(*pgproto3.RowDescription) + if description.Fields[0].DataTypeOID != pgtype.Float4ArrayOID { + t.Fatalf("fixed-size FLOAT array OID = %d, want %d", description.Fields[0].DataTypeOID, pgtype.Float4ArrayOID) + } + assertDataRow(t, messages[1], []string{"{1,2}"}) +} + +func TestDuckdbQueryContextBindsEmbeddingVector(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + rows, err := queryHandler.ServerDuckdbClient.QueryContext( + context.Background(), + "SELECT array_distance($1::REAL[2], [0.6, 0.8]::REAL[2])", + []float32{0.6, 0.8}, + ) + if err != nil { + t.Fatal(err) + } + defer rows.Close() + if !rows.Next() { + t.Fatal("expected distance row") + } + var distance float32 + if err := rows.Scan(&distance); err != nil { + t.Fatal(err) + } + if distance != 0 { + t.Fatalf("distance = %v, want 0", distance) + } +} + +func TestHandleQueryUnsignedIntegers(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + if _, err := queryHandler.ServerDuckdbClient.ExecContext( + context.Background(), + "CREATE TABLE public.unsigned_values AS SELECT 4294967295::UINTEGER AS chunk_index, 18446744073709551615::UBIGINT AS source_position", + ); err != nil { + t.Fatalf("create unsigned integer fixture: %v", err) + } + messages, err := queryHandler.HandleSimpleQuery("SELECT chunk_index, source_position FROM unsigned_values") + if err != nil { + t.Fatalf("handle unsigned integer query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.RowDescription", "*pgproto3.DataRow", "*pgproto3.CommandComplete") + + description := messages[0].(*pgproto3.RowDescription) + if description.Fields[0].DataTypeOID != pgtype.XIDOID { + t.Fatalf("UINTEGER OID = %d, want %d", description.Fields[0].DataTypeOID, pgtype.XIDOID) + } + if description.Fields[1].DataTypeOID != pgtype.XID8OID { + t.Fatalf("UBIGINT OID = %d, want %d", description.Fields[1].DataTypeOID, pgtype.XID8OID) + } + assertDataRow(t, messages[1], []string{"4294967295", "18446744073709551615"}) +} + +func TestHandleQueryPgSystemTables(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + tests := []queryResponseExpectation{ + { + query: "SELECT * FROM pg_catalog.pg_inherits", + columnNames: []string{"inhrelid", "inhparent", "inhseqno", "inhdetachpending"}, + }, + { + query: "SELECT indnullsnotdistinct FROM pg_catalog.pg_index", + columnNames: []string{"indnullsnotdistinct"}, + }, + { + query: "SELECT relhassubclass FROM pg_class LIMIT 1", + columnNames: []string{"relhassubclass"}, + values: []string{"f"}, + }, + { + query: "SELECT oid FROM pg_catalog.pg_extension", + columnNames: []string{"oid"}, + values: []string{"13823"}, + }, + { + query: "SELECT slot_name FROM pg_replication_slots", + columnNames: []string{"slot_name"}, + }, + { + query: "SELECT oid, datname, datdba FROM pg_catalog.pg_database WHERE oid = 16388", + columnNames: []string{"oid", "datname", "datdba"}, + values: []string{"16388", "pgstack", "10"}, + }, + { + query: "SELECT COALESCE(NULL, (SELECT datname FROM pg_database WHERE datname = 'pgstack')) AS datname", + columnNames: []string{"datname"}, + values: []string{"pgstack"}, + }, + { + query: "SELECT COALESCE(NULL, '[]'::jsonb) AS json_value", + columnNames: []string{"json_value"}, + values: []string{"[]"}, + }, + { + query: "SELECT jsonb_array_length(COALESCE('[]'::jsonb, '{}'::jsonb)) AS length", + columnNames: []string{"length"}, + values: []string{"0"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_stat_gssapi", + columnNames: []string{"pid", "gss_authenticated", "principal", "encrypted", "credentials_delegated"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_user", + columnNames: []string{"usename", "usesysid", "usecreatedb", "usesuper", "userepl", "usebypassrls", "passwd", "valuntil", "useconfig"}, + values: []string{"user", "10", "t", "t", "t", "t", "", "", ""}, + }, + { + query: "SELECT datid FROM pg_catalog.pg_stat_activity", + columnNames: []string{"datid"}, + }, + { + query: "SELECT schemaname, matviewname AS objectname FROM pg_catalog.pg_matviews", + columnNames: []string{"schemaname", "objectname"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_views", + columnNames: []string{"schemaname", "viewname", "viewowner", "definition"}, + }, + { + query: "SELECT oid FROM pg_collation", + columnNames: []string{"oid"}, + values: []string{"100"}, + }, + { + query: "SELECT * FROM pg_opclass", + columnNames: []string{"oid", "opcmethod", "opcname", "opcnamespace", "opcowner", "opcfamily", "opcintype", "opcdefault", "opckeytype"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_shdescription", + columnNames: []string{"objoid", "classoid", "description"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_roles", + columnNames: []string{"oid", "rolname", "rolsuper", "rolinherit", "rolcreaterole", "rolcreatedb", "rolcanlogin", "rolreplication", "rolconnlimit", "rolpassword", "rolvaliduntil", "rolbypassrls", "rolconfig"}, + values: []string{"10", "user", "t", "t", "t", "t", "t", "f", "-1", "", "", "f", ""}, + }, + { + query: "SELECT * FROM pg_auth_members", + columnNames: []string{"oid", "roleid", "member", "grantor", "admin_option", "inherit_option", "set_option"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_policy", + columnNames: []string{"oid", "polname", "polrelid", "polcmd", "polpermissive", "polroles", "polqual", "polwithcheck"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_statistic_ext", + columnNames: []string{"oid", "stxrelid", "stxname", "stxnamespace", "stxowner", "stxstattarget", "stxkeys", "stxkind", "stxexprs"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_publication", + columnNames: []string{"oid", "pubname", "pubowner", "puballtables", "pubinsert", "pubupdate", "pubdelete", "pubtruncate", "pubviaroot"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_publication_rel", + columnNames: []string{"oid", "prpubid", "prrelid", "prqual", "prattrs"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_publication_namespace", + columnNames: []string{"oid", "pnpubid", "pnnspid"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_rewrite", + columnNames: []string{"oid", "rulename", "ev_class", "ev_type", "ev_enabled", "is_instead", "ev_qual", "ev_action"}, + }, + { + query: "SELECT * FROM user", + columnNames: []string{"user"}, + values: []string{"user"}, + }, + { + query: "SELECT oid FROM pg_type WHERE typname = 'text'", + columnNames: []string{"oid"}, + values: []string{"25"}, + }, + { + query: "SELECT DISTINCT ON (typlen) oid FROM pg_type ORDER BY oid LIMIT 1", + columnNames: []string{"oid"}, + values: []string{"16"}, + }, + // Temporarily disabled: requires the BemiDB postgres.test_table Iceberg fixture. + // {query: "SELECT relname FROM pg_catalog.pg_class ...", ...}, + // {query: "SELECT schemaname, relname, n_live_tup FROM pg_stat_user_tables ...", ...}, + } + + for _, test := range tests { + t.Run(test.query, func(t *testing.T) { + assertQueryResponse(t, queryHandler, test) + }) + } +} + +func TestHandleQueryPgAttributeUsesPostgresTypeOids(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + _, err := queryHandler.ServerDuckdbClient.ExecContext(context.Background(), "CREATE SCHEMA audit") + if err != nil { + t.Fatalf("create test schema: %v", err) + } + _, err = queryHandler.ServerDuckdbClient.ExecContext( + context.Background(), + `CREATE TABLE audit.changes ( + id VARCHAR, + committed_at TIMESTAMPTZ, + transaction_id BIGINT + )`, + ) + if err != nil { + t.Fatalf("create test table: %v", err) + } + + assertQueryResponse(t, queryHandler, queryResponseExpectation{ + query: `SELECT + MAX(CASE WHEN a.attname = 'id' THEN a.atttypid END) AS text_oid, + MAX(CASE WHEN a.attname = 'id' THEN t.typname END) AS text_name, + MAX(CASE WHEN a.attname = 'committed_at' THEN a.atttypid END) AS timestamptz_oid, + MAX(CASE WHEN a.attname = 'committed_at' THEN t.typname END) AS timestamptz_name, + MAX(CASE WHEN a.attname = 'transaction_id' THEN a.atttypid END) AS int8_oid, + MAX(CASE WHEN a.attname = 'transaction_id' THEN t.typname END) AS int8_name + FROM pg_catalog.pg_attribute a + JOIN pg_catalog.pg_class c ON c.oid = a.attrelid + JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace + LEFT JOIN pg_catalog.pg_type t ON t.oid = a.atttypid + WHERE n.nspname = 'audit' AND c.relname = 'changes'`, + columnNames: []string{"text_oid", "text_name", "timestamptz_oid", "timestamptz_name", "int8_oid", "int8_name"}, + values: []string{"25", "text", "1184", "timestamptz", "20", "int8"}, + }) + assertQueryResponse(t, queryHandler, queryResponseExpectation{ + query: `SELECT udt_name + FROM information_schema.columns + WHERE table_schema = 'audit' + AND table_name = 'changes' + AND column_name = 'committed_at'`, + columnNames: []string{"udt_name"}, + values: []string{"timestamptz"}, + }) +} + +func TestHandleQueryPgFunctions(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + tests := []queryResponseExpectation{ + { + query: "SELECT VERSION()", + columnNames: []string{"version"}, + values: []string{"PostgreSQL 17.0, compiled by PgStack"}, + }, + { + query: "SELECT pg_catalog.pg_get_userbyid(p.proowner) AS owner, 'Foo' AS foo FROM pg_catalog.pg_proc p LEFT JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace LIMIT 1", + columnNames: []string{"owner", "foo"}, + values: []string{"user", "Foo"}, + }, + { + query: "SELECT QUOTE_IDENT('fooBar') AS quote_ident", + columnNames: []string{"quote_ident"}, + values: []string{"\"fooBar\""}, + }, + // Temporarily disabled: DuckDB now returns "NULLS_LAST" while the BemiDB + // compatibility test expects PostgreSQL-style "nulls_last". + // { + // query: "SELECT setting FROM pg_show_all_settings() WHERE name = 'default_null_order'", + // columnNames: []string{"setting"}, + // values: []string{"nulls_last"}, + // }, + { + query: "SELECT pg_catalog.pg_get_partkeydef(c.oid) AS pg_get_partkeydef FROM pg_catalog.pg_class c LIMIT 1", + columnNames: []string{"pg_get_partkeydef"}, + values: []string{""}, + }, + { + query: "SELECT pg_tablespace_location(t.oid) AS loc FROM pg_catalog.pg_tablespace t LIMIT 1", + columnNames: []string{"loc"}, + values: []string{""}, + }, + { + query: "SELECT pg_catalog.pg_get_viewdef(NULL, TRUE) AS viewdef", + columnNames: []string{"viewdef"}, + values: []string{""}, + }, + { + query: "SELECT set_config('bytea_output', 'hex', false) AS set_config", + columnNames: []string{"set_config"}, + values: []string{"hex"}, + }, + { + query: "SELECT pg_catalog.pg_encoding_to_char(6) AS pg_encoding_to_char", + columnNames: []string{"pg_encoding_to_char"}, + values: []string{"UTF8"}, + }, + { + query: "SELECT pg_backend_pid() AS pg_backend_pid", + columnNames: []string{"pg_backend_pid"}, + values: []string{"0"}, + }, + { + query: "SELECT pg_cancel_backend(12345) AS pg_cancel_backend", + columnNames: []string{"pg_cancel_backend"}, + values: []string{"t"}, + }, + { + query: "SELECT * FROM pg_is_in_recovery()", + columnNames: []string{"pg_is_in_recovery"}, + values: []string{"f"}, + }, + { + query: "SELECT row_to_json(t) AS row_to_json FROM (SELECT usename FROM pg_shadow WHERE usename = 'user') t", + columnNames: []string{"row_to_json"}, + values: []string{`{"usename":"user"}`}, + }, + { + query: "SELECT current_setting('default_tablespace') AS current_setting", + columnNames: []string{"current_setting"}, + values: []string{""}, + }, + { + query: "SELECT array_to_string('[1, 2, 3]', '') AS str", + columnNames: []string{"str"}, + values: []string{"123"}, + }, + { + query: "SELECT * FROM pg_catalog.generate_series(1, 1)", + columnNames: []string{"generate_series"}, + values: []string{"1"}, + }, + { + query: "SELECT format('Hello %s, %s, %1$s', 'World', 'Earth') AS str", + columnNames: []string{"str"}, + values: []string{"Hello World, Earth, World"}, + }, + { + query: "SELECT encode(sha256('foo'), 'hex'::text) AS encode", + columnNames: []string{"encode"}, + values: []string{"2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae"}, + }, + { + query: "SELECT jsonb_object_agg('key', 'value') AS jsonb_object_agg", + columnNames: []string{"jsonb_object_agg"}, + values: []string{`{"key":"value"}`}, + }, + // Temporarily disabled: DuckDB resolves only the last json_build_object + // overload created by the compatibility macros. + // { + // query: "SELECT json_build_object('min', 1, 'max', 2) AS json_build_object", + // columnNames: []string{"json_build_object"}, + // values: []string{`{"max":2,"min":1}`}, + // }, + { + query: "SELECT jsonb_array_length('[1, 2, 3]'::jsonb) AS jsonb_array_length", + columnNames: []string{"jsonb_array_length"}, + values: []string{"3"}, + }, + { + query: `SELECT jsonb_pretty('{"key": "value"}'::jsonb) AS jsonb_pretty`, + columnNames: []string{"jsonb_pretty"}, + values: []string{"{\n \"key\": \"value\"\n}"}, + }, + { + query: `SELECT json_array_elements('[{"key": "value1"}]') AS json_array_elements`, + columnNames: []string{"json_array_elements"}, + values: []string{`{"key":"value1"}`}, + }, + { + query: "SELECT TO_CHAR('2024-01-15 14:30:00'::timestamp, 'YYYY-MM-DD') AS to_char", + columnNames: []string{"to_char"}, + values: []string{"2024-01-15"}, + }, + } + + for _, test := range tests { + t.Run(test.query, func(t *testing.T) { + assertQueryResponse(t, queryHandler, test) + }) + } +} + +func TestHandleQueryExpressions(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + tests := []queryResponseExpectation{ + { + query: "SELECT word FROM (VALUES ('abort', 'U', 't', 'unreserved', 'can be bare label')) t(word, catcode, barelabel, catdesc, baredesc) WHERE word <> ALL('{a,abs,absolute,action}'::text[])", + columnNames: []string{"word"}, + values: []string{"abort"}, + }, + { + query: "SELECT NULL::text AS word", + columnNames: []string{"word"}, + values: []string{""}, + }, + { + query: "SELECT t.x FROM (VALUES (1::int2, 'pg_type'::regclass)) t(x, y)", + columnNames: []string{"x"}, + values: []string{"1"}, + }, + { + query: "SELECT 'pg_catalog.array_in'::regproc AS regproc", + columnNames: []string{"regproc"}, + values: []string{"array_in"}, + }, + { + query: "SELECT '1 week'::interval AS interval", + columnNames: []string{"interval"}, + values: []string{"0 months 7 days 0 microseconds"}, + }, + { + query: `SELECT '{"key": "value"}'::jsonb AS jsonb`, + columnNames: []string{"jsonb"}, + values: []string{`{"key":"value"}`}, + }, + { + query: "SELECT date_trunc('month', '2025-02-24 15:58:23-05'::timestamptz + '-1 month'::interval) AS date", + columnNames: []string{"date"}, + values: []string{"2025-01-01 00:00:00+00:00"}, + }, + { + query: "SELECT 'foo'::pg_catalog.text AS text", + columnNames: []string{"text"}, + values: []string{"foo"}, + }, + { + query: "SELECT 1::pg_catalog.regtype::pg_catalog.text AS text", + columnNames: []string{"text"}, + values: []string{"1"}, + }, + { + query: "SELECT 1 AS value ORDER BY 1::pg_catalog.regclass::pg_catalog.text", + columnNames: []string{"value"}, + values: []string{"1"}, + }, + { + query: "SELECT stxnamespace::pg_catalog.regnamespace::pg_catalog.text AS text FROM pg_catalog.pg_statistic_ext", + columnNames: []string{"text"}, + }, + { + query: "SELECT * FROM pg_catalog.pg_get_keywords() LIMIT 1", + columnNames: []string{"word", "catcode", "barelabel", "catdesc", "baredesc"}, + values: []string{"abort", "U", "t", "unreserved", "can be bare label"}, + }, + { + query: "SELECT pg_get_keywords.word FROM pg_catalog.pg_get_keywords() LIMIT 1", + columnNames: []string{"word"}, + values: []string{"abort"}, + }, + { + query: "SELECT * FROM generate_series(1, 2) AS series(index) LIMIT 1", + columnNames: []string{"index"}, + values: []string{"1"}, + }, + { + query: "SELECT * FROM generate_series(1, array_upper(current_schemas(FALSE), 1)) AS series(index) LIMIT 1", + columnNames: []string{"index"}, + values: []string{"1"}, + }, + // Temporarily disabled: _pg_expandarray is registered as a DuckDB table + // function, but PostgreSQL permits this composite-returning scalar syntax. + // { + // query: "SELECT (information_schema._pg_expandarray(ARRAY[10])).n", + // columnNames: []string{"n"}, + // values: []string{"1"}, + // }, + // { + // query: "SELECT (information_schema._pg_expandarray(ARRAY[10])).x AS value", + // columnNames: []string{"value"}, + // values: []string{"10"}, + // }, + { + query: "SELECT s.usename, r.rolconfig FROM pg_catalog.pg_shadow s LEFT JOIN pg_catalog.pg_roles r ON s.usename = r.rolname", + columnNames: []string{"usename", "rolconfig"}, + values: []string{"user", ""}, + }, + { + query: "SELECT a.oid, pd.description FROM pg_catalog.pg_roles a LEFT JOIN pg_catalog.pg_shdescription pd ON a.oid = pd.objoid", + columnNames: []string{"oid", "description"}, + values: []string{"10", ""}, + }, + { + query: "SELECT (SELECT 1 FROM (SELECT 1 AS inner_val) JOIN (SELECT NULL) ON inner_val = indclass[1]) AS test FROM pg_index", + columnNames: []string{"test"}, + }, + { + query: "SELECT CASE WHEN true THEN 'yes' ELSE 'no' END AS case", + columnNames: []string{"case"}, + values: []string{"yes"}, + }, + { + query: "SELECT CASE WHEN false THEN 'yes' ELSE 'no' END AS case", + columnNames: []string{"case"}, + values: []string{"no"}, + }, + { + query: "SELECT CASE WHEN true THEN 'one' WHEN false THEN 'two' ELSE 'three' END AS case", + columnNames: []string{"case"}, + values: []string{"one"}, + }, + { + query: "SELECT CASE WHEN (SELECT count(extname) FROM pg_catalog.pg_extension WHERE extname = 'bdr') > 0 THEN 'pgd' WHEN (SELECT count(*) FROM pg_replication_slots) > 0 THEN 'log' ELSE NULL END AS type", + columnNames: []string{"type"}, + values: []string{""}, + }, + { + query: "SELECT CASE WHEN TRUE THEN pg_catalog.pg_is_in_recovery() END AS case", + columnNames: []string{"case"}, + values: []string{"f"}, + }, + { + query: "SELECT CASE WHEN FALSE THEN true ELSE pg_catalog.pg_is_in_recovery() END AS case", + columnNames: []string{"case"}, + values: []string{"f"}, + }, + { + query: "SELECT CASE WHEN nsp.nspname = ANY('{information_schema}') THEN false ELSE true END AS db_support FROM pg_catalog.pg_namespace nsp LIMIT 1", + columnNames: []string{"db_support"}, + values: []string{"t"}, + }, + { + query: "SELECT gss_authenticated, encrypted FROM (SELECT false, false, false, false, false WHERE false) t(pid, gss_authenticated, principal, encrypted, credentials_delegated) WHERE pid = pg_backend_pid()", + columnNames: []string{"gss_authenticated", "encrypted"}, + }, + { + query: "WITH RECURSIVE simple_cte AS (SELECT oid, rolname FROM pg_roles WHERE rolname = 'postgres' UNION ALL SELECT oid, rolname FROM pg_roles) SELECT * FROM simple_cte", + columnNames: []string{"oid", "rolname"}, + values: []string{"10", "user"}, + }, + { + query: "SELECT ARRAY(SELECT 1 FROM pg_enum ORDER BY enumsortorder) AS array", + columnNames: []string{"array"}, + values: []string{"{}"}, + }, + { + query: "SELECT pg_shadow.usename FROM pg_shadow", + columnNames: []string{"usename"}, + values: []string{"user"}, + }, + { + query: "SELECT pg_roles.rolname FROM pg_roles", + columnNames: []string{"rolname"}, + values: []string{"user"}, + }, + { + query: "SELECT pg_extension.extname FROM pg_extension", + columnNames: []string{"extname"}, + values: []string{"plpgsql"}, + }, + { + query: "SELECT pg_database.datname FROM pg_database", + columnNames: []string{"datname"}, + values: []string{"pgstack"}, + }, + { + query: "SELECT pg_inherits.inhrelid FROM pg_inherits", + columnNames: []string{"inhrelid"}, + }, + { + query: "SELECT pg_shdescription.objoid FROM pg_shdescription", + columnNames: []string{"objoid"}, + }, + { + query: "SELECT pg_statio_user_tables.relid FROM pg_statio_user_tables", + columnNames: []string{"relid"}, + }, + { + query: "SELECT pg_replication_slots.slot_name FROM pg_replication_slots", + columnNames: []string{"slot_name"}, + }, + { + query: "SELECT pg_stat_gssapi.pid FROM pg_stat_gssapi", + columnNames: []string{"pid"}, + }, + { + query: "SELECT pg_auth_members.oid FROM pg_auth_members", + columnNames: []string{"oid"}, + }, + { + query: "SELECT x.usename, (SELECT split_part(passwd, ':', 1) FROM pg_shadow WHERE usename = x.usename) AS password FROM pg_shadow x WHERE x.usename = 'user'", + columnNames: []string{"usename", "password"}, + values: []string{"user", "SCRAM-SHA-256$4096"}, + }, + // Temporarily disabled: the remaining expression cases reference the + // postgres.test_table Iceberg fixture from BemiDB. + } + + for _, test := range tests { + t.Run(test.query, func(t *testing.T) { + assertQueryResponse(t, queryHandler, test) + }) + } +} + +func TestHandleQueryShow(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + tests := []queryResponseExpectation{ + {query: "SHOW search_path", columnNames: []string{"search_path"}, values: []string{`"$user", public`}}, + {query: "SHOW timezone", columnNames: []string{"timezone"}, values: []string{"UTC"}}, + } + for _, test := range tests { + t.Run(test.query, func(t *testing.T) { + assertQueryResponse(t, queryHandler, test) + }) + } +} + +func TestHandleParseQuery(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + t.Run("query", func(t *testing.T) { + messages, preparedStatement, err := queryHandler.HandleParseQuery(&pgproto3.Parse{ + Query: "SELECT usename, passwd FROM pg_shadow WHERE usename=$1", + }) + if err != nil { + t.Fatalf("parse query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.ParseComplete") + if preparedStatement.Query != "SELECT usename, passwd FROM main.pg_shadow WHERE usename = $1" { + t.Errorf("remapped query = %q", preparedStatement.Query) + } + if preparedStatement.Statement == nil { + t.Error("prepared statement is nil") + } + }) + + t.Run("empty query", func(t *testing.T) { + messages, preparedStatement, err := queryHandler.HandleParseQuery(&pgproto3.Parse{}) + if err != nil { + t.Fatalf("parse empty query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.ParseComplete") + if preparedStatement.Query != "" || preparedStatement.Statement != nil { + t.Errorf("empty prepared statement = %#v", preparedStatement) + } + }) +} + +func TestHandleBindQuery(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + tests := []struct { + name string + query string + parameter []byte + formatCode int16 + want any + }{ + { + name: "text parameter", + query: "SELECT usename FROM pg_shadow WHERE usename=$1", + parameter: []byte("user"), + want: "user", + }, + { + name: "4-byte binary parameter", + query: "SELECT c.oid FROM pg_catalog.pg_class c WHERE c.relnamespace=$1", + parameter: binary.BigEndian.AppendUint32(nil, 2200), + formatCode: 1, + want: int32(2200), + }, + { + name: "8-byte binary parameter", + query: "SELECT c.oid FROM pg_catalog.pg_class c WHERE c.relnamespace=$1", + parameter: binary.BigEndian.AppendUint64(nil, 2200), + formatCode: 1, + want: int64(2200), + }, + } + + for _, test := range tests { + t.Run(test.name, func(t *testing.T) { + _, preparedStatement, err := queryHandler.HandleParseQuery(&pgproto3.Parse{Query: test.query}) + if err != nil { + t.Fatalf("parse query: %v", err) + } + messages, preparedStatement, err := queryHandler.HandleBindQuery(&pgproto3.Bind{ + Parameters: [][]byte{test.parameter}, + ParameterFormatCodes: []int16{test.formatCode}, + }, preparedStatement) + if err != nil { + t.Fatalf("bind query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.BindComplete") + if len(preparedStatement.Variables) != 1 || preparedStatement.Variables[0] != test.want { + t.Errorf("bound variables = %#v, want %#v", preparedStatement.Variables, test.want) + } + }) + } + + // Requires an Iceberg table fixture that is not available in this repository's unit-test setup. + // t.Run("16-byte UUID parameter", ...) +} + +func TestHandleTextArrayBindQuery(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + _, preparedStatement, err := queryHandler.HandleParseQuery(&pgproto3.Parse{ + Query: "SELECT 'sec,ond' = ANY($1::pg_catalog.text[])", + }) + if err != nil { + t.Fatalf("parse query: %v", err) + } + + _, preparedStatement, err = queryHandler.HandleBindQuery(&pgproto3.Bind{ + Parameters: [][]byte{[]byte(`{first,"sec,ond"}`)}, + }, preparedStatement) + if err != nil { + t.Fatalf("bind query: %v", err) + } + + messages, err := queryHandler.HandleExecuteQuery(&pgproto3.Execute{}, preparedStatement) + if err != nil { + t.Fatalf("execute query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.DataRow", "*pgproto3.CommandComplete") + assertDataRow(t, messages[0], []string{"t"}) +} + +func TestHandleDescribeAndExecuteQuery(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + t.Run("describe and execute", func(t *testing.T) { + _, preparedStatement, err := queryHandler.HandleParseQuery(&pgproto3.Parse{ + Query: "SELECT usename, split_part(passwd, ':', 1) FROM pg_shadow WHERE usename=$1", + }) + if err != nil { + t.Fatalf("parse query: %v", err) + } + _, preparedStatement, err = queryHandler.HandleBindQuery(&pgproto3.Bind{ + Parameters: [][]byte{[]byte("user")}, + }, preparedStatement) + if err != nil { + t.Fatalf("bind query: %v", err) + } + messages, preparedStatement, err := queryHandler.HandleDescribeQuery( + &pgproto3.Describe{ObjectType: 'P'}, + preparedStatement, + ) + if err != nil { + t.Fatalf("describe query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.RowDescription") + if preparedStatement.Rows == nil { + t.Fatal("described prepared statement has no rows") + } + + messages, err = queryHandler.HandleExecuteQuery(&pgproto3.Execute{}, preparedStatement) + if err != nil { + t.Fatalf("execute query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.DataRow", "*pgproto3.CommandComplete") + assertDataRow(t, messages[0], []string{"user", "SCRAM-SHA-256$4096"}) + }) + + t.Run("empty query", func(t *testing.T) { + _, preparedStatement, err := queryHandler.HandleParseQuery(&pgproto3.Parse{}) + if err != nil { + t.Fatalf("parse query: %v", err) + } + _, preparedStatement, err = queryHandler.HandleBindQuery(&pgproto3.Bind{}, preparedStatement) + if err != nil { + t.Fatalf("bind query: %v", err) + } + messages, preparedStatement, err := queryHandler.HandleDescribeQuery( + &pgproto3.Describe{ObjectType: 'P'}, + preparedStatement, + ) + if err != nil { + t.Fatalf("describe query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.NoData") + + messages, err = queryHandler.HandleExecuteQuery(&pgproto3.Execute{}, preparedStatement) + if err != nil { + t.Fatalf("execute query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.EmptyQueryResponse") + }) + + t.Run("describe statement without bind", func(t *testing.T) { + _, preparedStatement, err := queryHandler.HandleParseQuery(&pgproto3.Parse{ + Query: "SELECT usename FROM pg_shadow WHERE usename=$1", + ParameterOIDs: []uint32{25}, + }) + if err != nil { + t.Fatalf("parse query: %v", err) + } + messages, _, err := queryHandler.HandleDescribeQuery( + &pgproto3.Describe{ObjectType: 'S'}, + preparedStatement, + ) + if err != nil { + t.Fatalf("describe query: %v", err) + } + assertMessageTypes(t, messages, "*pgproto3.NoData") + }) +} + +func TestHandleMultipleQueries(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + t.Run("multiple SET statements", func(t *testing.T) { + messages, err := queryHandler.HandleSimpleQuery(`SET client_encoding TO 'UTF8'; +SET client_min_messages TO 'warning'; +SET standard_conforming_strings = on;`) + if err != nil { + t.Fatalf("handle queries: %v", err) + } + assertMessageTypes(t, messages, + "*pgproto3.CommandComplete", + "*pgproto3.CommandComplete", + "*pgproto3.CommandComplete", + ) + }) + + t.Run("mixed SET and SELECT statements", func(t *testing.T) { + messages, err := queryHandler.HandleSimpleQuery(`SET client_encoding TO 'UTF8'; +SELECT split_part(passwd, ':', 1) FROM pg_shadow WHERE usename='user';`) + if err != nil { + t.Fatalf("handle queries: %v", err) + } + assertMessageTypes(t, messages, + "*pgproto3.CommandComplete", + "*pgproto3.RowDescription", + "*pgproto3.DataRow", + "*pgproto3.CommandComplete", + ) + assertDataRow(t, messages[2], []string{"SCRAM-SHA-256$4096"}) + }) + + t.Run("multiple SELECT statements", func(t *testing.T) { + messages, err := queryHandler.HandleSimpleQuery(`SELECT 1; +SELECT split_part(passwd, ':', 1) FROM pg_shadow WHERE usename='user';`) + if err != nil { + t.Fatalf("handle queries: %v", err) + } + assertMessageTypes(t, messages, + "*pgproto3.RowDescription", "*pgproto3.DataRow", "*pgproto3.CommandComplete", + "*pgproto3.RowDescription", "*pgproto3.DataRow", "*pgproto3.CommandComplete", + ) + assertDataRow(t, messages[1], []string{"1"}) + assertDataRow(t, messages[4], []string{"SCRAM-SHA-256$4096"}) + }) + + t.Run("error in one statement", func(t *testing.T) { + _, err := queryHandler.HandleSimpleQuery(`SET client_encoding TO 'UTF8'; +SELECT * FROM non_existent_table; +SET standard_conforming_strings = on;`) + if err == nil || !strings.Contains(err.Error(), "non_existent_table") { + t.Errorf("error = %v, want missing-table error", err) + } + }) +} + +func TestHandleSimpleQueryControlStatements(t *testing.T) { + queryHandler := initQueryHandlerForTest(t) + + tests := []struct { + name string + query string + messageType string + commandTag string + }{ + {name: "SET", query: "SET client_encoding TO 'UTF8'", messageType: "*pgproto3.CommandComplete", commandTag: "SET"}, + {name: "DISCARD ALL", query: "DISCARD ALL", messageType: "*pgproto3.CommandComplete", commandTag: "DISCARD ALL"}, + {name: "BEGIN", query: "BEGIN", messageType: "*pgproto3.CommandComplete", commandTag: "BEGIN"}, + {name: "empty", query: "", messageType: "*pgproto3.EmptyQueryResponse"}, + } + + for _, test := range tests { + t.Run(test.name, func(t *testing.T) { + messages, err := queryHandler.HandleSimpleQuery(test.query) + if err != nil { + t.Fatalf("handle query: %v", err) + } + assertMessageTypes(t, messages, test.messageType) + if test.commandTag != "" && string(messages[0].(*pgproto3.CommandComplete).CommandTag) != test.commandTag { + t.Errorf("command tag = %q, want %q", messages[0].(*pgproto3.CommandComplete).CommandTag, test.commandTag) + } + }) + } +} + +func assertQueryResponse(t *testing.T, queryHandler *QueryHandler, expectation queryResponseExpectation) { + t.Helper() + + messages, err := queryHandler.HandleSimpleQuery(expectation.query) + if err != nil { + t.Fatalf("handle query: %v", err) + } + wantMessageCount := 2 + if expectation.values != nil { + wantMessageCount = 3 + } + if len(messages) != wantMessageCount { + t.Fatalf("message count = %d, want %d", len(messages), wantMessageCount) + } + rowDescription, ok := messages[0].(*pgproto3.RowDescription) + if !ok { + t.Fatalf("first message type = %T, want *pgproto3.RowDescription", messages[0]) + } + columnNames := make([]string, len(rowDescription.Fields)) + for i, field := range rowDescription.Fields { + columnNames[i] = string(field.Name) + } + if !slices.Equal(columnNames, expectation.columnNames) { + t.Errorf("column names = %v, want %v", columnNames, expectation.columnNames) + } + if expectation.values != nil { + assertDataRow(t, messages[1], expectation.values) + } +} + +func assertMessageTypes(t *testing.T, messages []pgproto3.Message, expectedTypes ...string) { + t.Helper() + if len(messages) != len(expectedTypes) { + t.Fatalf("message count = %d, want %d", len(messages), len(expectedTypes)) + } + for i, expectedType := range expectedTypes { + if actualType := fmt.Sprintf("%T", messages[i]); actualType != expectedType { + t.Errorf("message %d type = %s, want %s", i, actualType, expectedType) + } + } +} + +func assertDataRow(t *testing.T, message pgproto3.Message, expectedValues []string) { + t.Helper() + dataRow, ok := message.(*pgproto3.DataRow) + if !ok { + t.Fatalf("message type = %T, want *pgproto3.DataRow", message) + } + values := make([]string, len(dataRow.Values)) + for i, value := range dataRow.Values { + values[i] = string(value) + } + if !slices.Equal(values, expectedValues) { + t.Errorf("row values = %v, want %v", values, expectedValues) + } +} + +func initQueryHandlerForTest(t *testing.T) *QueryHandler { + t.Helper() + + s3Server := httptest.NewServer(http.HandlerFunc(func(response http.ResponseWriter, _ *http.Request) { + response.Header().Set("Content-Type", "application/xml") + _, _ = response.Write([]byte(` + + test + 0 + 1000 + false +`)) + })) + t.Cleanup(s3Server.Close) + + config := &Config{ + AwsRegion: "us-east-1", + AwsS3Endpoint: s3Server.URL, + AwsS3Bucket: "test", + AwsAccessKeyId: "test", + AwsSecretAccessKey: "test", + Database: "pgstack", + User: "user", + EncryptedPassword: "SCRAM-SHA-256$4096:test", + DuckDBMemoryLimit: DEFAULT_DUCKDB_MEMORY_LIMIT, + } + + bootQueries := slices.Concat( + []string{ + "SELECT oid FROM pg_catalog.pg_namespace", + "CREATE SCHEMA " + PG_SCHEMA_PUBLIC, + }, + CreatePgCatalogMacroQueries(config), + CreateInformationSchemaMacroQueries(config), + CreatePgCatalogTableQueries(config), + // Synthetic catalog fixture tests SQL remapping independently of authentication policy. + []string{"CREATE OR REPLACE VIEW pg_shadow AS SELECT 'user' AS usename, 'SCRAM-SHA-256$4096:test' AS passwd"}, + CreateInformationSchemaTableQueries(config), + []string{"USE " + PG_SCHEMA_PUBLIC}, + ) + duckdbClient, err := NewDuckdbClient(config, bootQueries) + if err != nil { + t.Fatalf("initialize DuckDB: %v", err) + } + t.Cleanup(duckdbClient.Close) + + queryHandler, err := NewQueryHandler(config, duckdbClient) + if err != nil { + t.Fatalf("initialize query handler: %v", err) + } + return queryHandler +} diff --git a/server/query_log.go b/server/query_log.go new file mode 100644 index 0000000..dd29deb --- /dev/null +++ b/server/query_log.go @@ -0,0 +1,42 @@ +package main + +import ( + "fmt" + "regexp" +) + +var VECTOR_DISTANCE_LITERAL_LOG_PATTERN = regexp.MustCompile(`(?is)(<=>|<->|<#>|<\+>|<~>|<%>)\s*'[^']*'`) +var VECTOR_ARRAY_LITERAL_LOG_PATTERN = regexp.MustCompile(`(?is)\bARRAY\s*\[[^]]*\]\s*::\s*(REAL|FLOAT4?)\s*\[(\d+)\]`) + +func redactVectorLiterals(query string) string { + query = VECTOR_DISTANCE_LITERAL_LOG_PATTERN.ReplaceAllString(query, `$1 '[vector omitted]'`) + return VECTOR_ARRAY_LITERAL_LOG_PATTERN.ReplaceAllString(query, `ARRAY[vector omitted]::$1[$2]`) +} + +func redactLogValues(values []interface{}) []interface{} { + redacted := append([]interface{}(nil), values...) + for index, value := range redacted { + switch value := value.(type) { + case string: + redacted[index] = redactVectorLiterals(value) + case error: + redacted[index] = redactVectorLiterals(value.Error()) + } + } + return redacted +} + +func redactVectorVariables(variables []interface{}, specs map[int]SearchParameterSpec) []interface{} { + redacted := append([]interface{}(nil), variables...) + for parameterNumber, spec := range specs { + index := parameterNumber - 1 + if index >= 0 && index < len(redacted) { + if spec.TextOnly { + redacted[index] = "[search text omitted]" + } else if spec.RowCountTable == "" { + redacted[index] = fmt.Sprintf("[vector omitted: %d dimensions]", spec.Dimensions) + } + } + } + return redacted +} diff --git a/server/query_log_test.go b/server/query_log_test.go new file mode 100644 index 0000000..36eca8b --- /dev/null +++ b/server/query_log_test.go @@ -0,0 +1,61 @@ +package main + +import ( + "bytes" + "log" + "strings" + "testing" +) + +func TestRedactVectorLiterals(t *testing.T) { + vector := "[-0.003017425537109375,-0.026702880859375,0.0050506591796875]" + tests := []struct { + query string + want string + }{ + { + query: `SELECT * FROM search.test ORDER BY embedding <=> '` + vector + `' LIMIT 5`, + want: `embedding <=> '[vector omitted]'`, + }, + { + query: `SELECT array_distance(embedding, ARRAY[-0.003017425537109375,-0.026702880859375]::REAL[1536])`, + want: `ARRAY[vector omitted]::REAL[1536]`, + }, + { + query: `SELECT array_cosine_distance(embedding, ARRAY[-0.003017425537109375,-0.026702880859375]::float4[1536])`, + want: `ARRAY[vector omitted]::float4[1536]`, + }, + } + for _, test := range tests { + redacted := redactVectorLiterals(test.query) + if strings.Contains(redacted, "-0.003017425537109375") || !strings.Contains(redacted, test.want) { + t.Fatalf("unexpected redacted query: %s", redacted) + } + } +} + +func TestLoggerRedactsRemappedVectorQuery(t *testing.T) { + var output bytes.Buffer + previousOutput := log.Writer() + log.SetOutput(&output) + t.Cleanup(func() { log.SetOutput(previousOutput) }) + + LogInfo(&Config{LogLevel: LOG_LEVEL_INFO}, "Remapped query:", `SELECT array_cosine_distance(embedding, ARRAY[-0.003017425537109375,-0.026702880859375]::float4[1536])`) + logged := output.String() + if strings.Contains(logged, "-0.003017425537109375") || !strings.Contains(logged, "Remapped query: SELECT array_cosine_distance(embedding, ARRAY[vector omitted]::float4[1536])") { + t.Fatalf("unexpected remapped-query log: %s", logged) + } +} + +func TestRedactVectorVariables(t *testing.T) { + variables := []interface{}{"user", "[0.1,0.2]"} + redacted := redactVectorVariables(variables, map[int]SearchParameterSpec{ + 2: {Dimensions: 1536}, + }) + if redacted[0] != "user" || redacted[1] != "[vector omitted: 1536 dimensions]" { + t.Fatalf("unexpected redacted variables: %#v", redacted) + } + if variables[1] != "[0.1,0.2]" { + t.Fatalf("redaction mutated bound variables: %#v", variables) + } +} diff --git a/src/query_remapper.go b/server/query_remapper.go similarity index 71% rename from src/query_remapper.go rename to server/query_remapper.go index 0257d17..3da0930 100644 --- a/src/query_remapper.go +++ b/server/query_remapper.go @@ -5,14 +5,18 @@ import ( "fmt" "strings" - pgQuery "github.com/pganalyze/pg_query_go/v5" + pgQuery "github.com/pganalyze/pg_query_go/v6" ) -var SUPPORTED_SET_STATEMENTS = NewSet([]string{ +const ( + INSPECT_SQL_COMMENT = " --INSPECT" +) + +var SUPPORTED_SET_STATEMENTS = NewSet[string]().AddAll([]string{ "timezone", // SET SESSION timezone TO 'UTC' }) -var KNOWN_SET_STATEMENTS = NewSet([]string{ +var KNOWN_SET_STATEMENTS = NewSet[string]().AddAll([]string{ "client_encoding", // SET client_encoding TO 'UTF8' "client_min_messages", // SET client_min_messages TO 'warning' "standard_conforming_strings", // SET standard_conforming_strings = on @@ -26,34 +30,45 @@ var KNOWN_SET_STATEMENTS = NewSet([]string{ var NOOP_QUERY_TREE, _ = pgQuery.Parse("SET TimeZone = 'UTC'") type QueryRemapper struct { - parserTypeCast *ParserTypeCast remapperTable *QueryRemapperTable remapperExpression *QueryRemapperExpression remapperFunction *QueryRemapperFunction remapperSelect *QueryRemapperSelect remapperShow *QueryRemapperShow - icebergReader *IcebergReader + IcebergReader *IcebergReader config *Config } -func NewQueryRemapper(config *Config, icebergReader *IcebergReader, duckdb *Duckdb) *QueryRemapper { +type RemappedQuery struct { + Statements []string + OriginalStatements []string + VectorParameters map[int]SearchParameterSpec + TextArrayParameters map[int]bool +} + +func NewQueryRemapper(config *Config, icebergReader *IcebergReader, serverDuckdbClient *DuckdbClient) *QueryRemapper { return &QueryRemapper{ - parserTypeCast: NewParserTypeCast(config), - remapperTable: NewQueryRemapperTable(config, icebergReader, duckdb), + remapperTable: NewQueryRemapperTable(config, icebergReader, serverDuckdbClient), remapperExpression: NewQueryRemapperExpression(config), remapperFunction: NewQueryRemapperFunction(config, icebergReader), remapperSelect: NewQueryRemapperSelect(config), remapperShow: NewQueryRemapperShow(config), - icebergReader: icebergReader, + IcebergReader: icebergReader, config: config, } } -func (remapper *QueryRemapper) ParseAndRemapQuery(query string) ([]string, []string, error) { +func (remapper *QueryRemapper) ParseAndRemapQuery(query string) (*RemappedQuery, error) { queryTree, err := pgQuery.Parse(query) if err != nil { - return nil, nil, fmt.Errorf("couldn't parse query: %s. %w", query, err) + return nil, NewClientError( + PG_ERROR_SEVERITY_ERROR, + PG_ERROR_CODE_SYNTAX_ERROR, + err.Error(), + fmt.Errorf("couldn't parse query: %s. %w", query, err), + ) } + textArrayParameters := remapper.remapperExpression.parserTypeCast.TextArrayParameters(queryTree) if strings.HasSuffix(query, INSPECT_SQL_COMMENT) { LogDebug(remapper.config, queryTree.Stmts) @@ -63,31 +78,37 @@ func (remapper *QueryRemapper) ParseAndRemapQuery(query string) ([]string, []str for _, stmt := range queryTree.Stmts { originalQueryStatement, err := pgQuery.Deparse(&pgQuery.ParseResult{Stmts: []*pgQuery.RawStmt{stmt}}) if err != nil { - return nil, nil, fmt.Errorf("couldn't deparse query: %s. %w", query, err) + return nil, fmt.Errorf("couldn't deparse query: %s. %w", query, err) } originalQueryStatements = append(originalQueryStatements, originalQueryStatement) } - remappedStatements, err := remapper.remapStatements(queryTree.Stmts) + vectorParameters := make(map[int]SearchParameterSpec) + remappedStatements, err := remapper.remapStatements(queryTree.Stmts, vectorParameters) if err != nil { - return nil, nil, fmt.Errorf("couldn't remap query: %s. %w", query, err) + return nil, err } var queryStatements []string for _, remappedStatement := range remappedStatements { queryStatement, err := pgQuery.Deparse(&pgQuery.ParseResult{Stmts: []*pgQuery.RawStmt{remappedStatement}}) if err != nil { - return nil, nil, fmt.Errorf("couldn't deparse remapped query: %s. %w", query, err) + return nil, fmt.Errorf("couldn't deparse remapped query: %s. %w", query, err) } queryStatements = append(queryStatements, queryStatement) } - return queryStatements, originalQueryStatements, nil + return &RemappedQuery{ + Statements: queryStatements, + OriginalStatements: originalQueryStatements, + VectorParameters: vectorParameters, + TextArrayParameters: textArrayParameters, + }, nil } //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -func (remapper *QueryRemapper) remapStatements(statements []*pgQuery.RawStmt) ([]*pgQuery.RawStmt, error) { +func (remapper *QueryRemapper) remapStatements(statements []*pgQuery.RawStmt, vectorParameters map[int]SearchParameterSpec) ([]*pgQuery.RawStmt, error) { // Empty query if len(statements) == 0 { return statements, nil @@ -101,11 +122,15 @@ func (remapper *QueryRemapper) remapStatements(statements []*pgQuery.RawStmt) ([ switch { // Empty statement case node == nil: - return nil, errors.New("empty statement") + err := errors.New("empty statement") + return nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_SYNTAX_ERROR, err.Error(), err) // SELECT case node.GetSelectStmt() != nil: selectStatement := node.GetSelectStmt() + if err := remapper.remapSearchRank(selectStatement, vectorParameters); err != nil { + return nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_FEATURE_NOT_SUPPORTED, err.Error(), err) + } remapper.remapSelectStatement(selectStatement, 1) stmt.Stmt = &pgQuery.Node{Node: &pgQuery.Node_SelectStmt{SelectStmt: selectStatement}} statements[i] = stmt @@ -126,10 +151,33 @@ func (remapper *QueryRemapper) remapStatements(statements []*pgQuery.RawStmt) ([ case node.GetTransactionStmt() != nil: statements[i] = NOOP_QUERY_TREE.Stmts[0] + // CREATE MATERIALIZED VIEW [IF NOT EXISTS] AS ... [WITH NO DATA] + case node.GetCreateTableAsStmt() != nil: + LogInfo(remapper.config, "CREATE TABLE/MATERIALIZED VIEW not supported (read-only server)") + statements[i] = NOOP_QUERY_TREE.Stmts[0] + + // DROP MATERIALIZED VIEW [IF EXISTS] + case node.GetDropStmt() != nil && + (node.GetDropStmt().RemoveType == pgQuery.ObjectType_OBJECT_TABLE || node.GetDropStmt().RemoveType == pgQuery.ObjectType_OBJECT_MATVIEW): + LogInfo(remapper.config, "DROP TABLE/VIEW not supported (read-only server)") + statements[i] = NOOP_QUERY_TREE.Stmts[0] + + // REFRESH MATERIALIZED VIEW + case node.GetRefreshMatViewStmt() != nil: + LogInfo(remapper.config, "REFRESH MATERIALIZED VIEW not supported (read-only server)") + statements[i] = NOOP_QUERY_TREE.Stmts[0] + + // ALTER TABLE [IF EXISTS] ... RENAME TO ... + case node.GetRenameStmt() != nil && + (node.GetRenameStmt().RenameType == pgQuery.ObjectType_OBJECT_TABLE || node.GetRenameStmt().RenameType == pgQuery.ObjectType_OBJECT_MATVIEW): + LogInfo(remapper.config, "RENAME TABLE/VIEW not supported (read-only server)") + statements[i] = NOOP_QUERY_TREE.Stmts[0] + // Unsupported query default: LogDebug(remapper.config, "Query tree:", stmt, node) - return nil, errors.New("unsupported query type") + err := errors.New("unsupported query type") + return nil, NewClientError(PG_ERROR_SEVERITY_ERROR, PG_ERROR_CODE_FEATURE_NOT_SUPPORTED, err.Error(), err) } } @@ -152,6 +200,9 @@ func (remapper *QueryRemapper) remapSetStatement(stmt *pgQuery.RawStmt) *pgQuery } func (remapper *QueryRemapper) remapSelectStatement(selectStatement *pgQuery.SelectStmt, indentLevel int) { + // SELECT + remappedColumnRefs := remapper.remapSelect(selectStatement, indentLevel) // recursion + // UNION if selectStatement.FromClause == nil && selectStatement.Larg != nil && selectStatement.Rarg != nil { remapper.traceTreeTraversal("UNION left", indentLevel) @@ -163,11 +214,6 @@ func (remapper *QueryRemapper) remapSelectStatement(selectStatement *pgQuery.Sel remapper.remapSelectStatement(rightSelectStatement, indentLevel+1) // self-recursion } - // JOIN - if len(selectStatement.FromClause) > 0 && selectStatement.FromClause[0].GetJoinExpr() != nil { - selectStatement.FromClause[0] = remapper.remapJoinExpressions(selectStatement, selectStatement.FromClause[0], indentLevel+1) // recursion - } - // WHERE if selectStatement.WhereClause != nil { remapper.traceTreeTraversal("WHERE statements", indentLevel) @@ -175,7 +221,7 @@ func (remapper *QueryRemapper) remapSelectStatement(selectStatement *pgQuery.Sel if remapper.removeWhereClause(selectStatement.WhereClause) { selectStatement.WhereClause = nil } else { - selectStatement.WhereClause = remapper.remappedExpressions(selectStatement.WhereClause, indentLevel) // recursion + selectStatement.WhereClause = remapper.remappedExpressions(selectStatement.WhereClause, remappedColumnRefs, indentLevel) // recursion } } @@ -189,9 +235,14 @@ func (remapper *QueryRemapper) remapSelectStatement(selectStatement *pgQuery.Sel } } - // FROM if len(selectStatement.FromClause) > 0 { for i, fromNode := range selectStatement.FromClause { + // JOIN + if fromNode.GetJoinExpr() != nil { + selectStatement.FromClause[i] = remapper.remapJoinExpressions(selectStatement, fromNode, remappedColumnRefs, indentLevel+1) // recursion + } + + // FROM if fromNode.GetRangeVar() != nil { // FROM [TABLE] remapper.traceTreeTraversal("FROM table", indentLevel) @@ -213,7 +264,7 @@ func (remapper *QueryRemapper) remapSelectStatement(selectStatement *pgQuery.Sel if selectStatement.SortClause != nil { remapper.traceTreeTraversal("ORDER BY statements", indentLevel) for _, sortNode := range selectStatement.SortClause { - sortNode.GetSortBy().Node = remapper.remappedExpressions(sortNode.GetSortBy().Node, indentLevel) // recursion + sortNode.GetSortBy().Node = remapper.remappedExpressions(sortNode.GetSortBy().Node, remappedColumnRefs, indentLevel) // recursion } } @@ -221,19 +272,16 @@ func (remapper *QueryRemapper) remapSelectStatement(selectStatement *pgQuery.Sel if selectStatement.GroupClause != nil { remapper.traceTreeTraversal("GROUP BY statements", indentLevel) for i, groupNode := range selectStatement.GroupClause { - selectStatement.GroupClause[i] = remapper.remappedExpressions(groupNode, indentLevel) // recursion + selectStatement.GroupClause[i] = remapper.remappedExpressions(groupNode, remappedColumnRefs, indentLevel) // recursion } } - - // SELECT - remapper.remapSelect(selectStatement, indentLevel) // recursion } -func (remapper *QueryRemapper) remapJoinExpressions(selectStatement *pgQuery.SelectStmt, node *pgQuery.Node, indentLevel int) *pgQuery.Node { +func (remapper *QueryRemapper) remapJoinExpressions(selectStatement *pgQuery.SelectStmt, node *pgQuery.Node, remappedColumnRefs map[string]string, indentLevel int) *pgQuery.Node { remapper.traceTreeTraversal("JOIN left", indentLevel) leftJoinNode := node.GetJoinExpr().Larg if leftJoinNode.GetJoinExpr() != nil { - leftJoinNode = remapper.remapJoinExpressions(selectStatement, leftJoinNode, indentLevel+1) // self-recursion + leftJoinNode = remapper.remapJoinExpressions(selectStatement, leftJoinNode, remappedColumnRefs, indentLevel+1) // self-recursion } else if leftJoinNode.GetRangeVar() != nil { // TABLE remapper.traceTreeTraversal("TABLE left", indentLevel+1) @@ -247,7 +295,7 @@ func (remapper *QueryRemapper) remapJoinExpressions(selectStatement *pgQuery.Sel remapper.traceTreeTraversal("JOIN right", indentLevel) rightJoinNode := node.GetJoinExpr().Rarg if rightJoinNode.GetJoinExpr() != nil { - rightJoinNode = remapper.remapJoinExpressions(selectStatement, rightJoinNode, indentLevel+1) // self-recursion + rightJoinNode = remapper.remapJoinExpressions(selectStatement, rightJoinNode, remappedColumnRefs, indentLevel+1) // self-recursion } else if rightJoinNode.GetRangeVar() != nil { // TABLE remapper.traceTreeTraversal("TABLE right", indentLevel+1) @@ -260,7 +308,7 @@ func (remapper *QueryRemapper) remapJoinExpressions(selectStatement *pgQuery.Sel if quals := node.GetJoinExpr().Quals; quals != nil { remapper.traceTreeTraversal("JOIN on", indentLevel) - node.GetJoinExpr().Quals = remapper.remappedExpressions(quals, indentLevel) // recursion + node.GetJoinExpr().Quals = remapper.remappedExpressions(quals, remappedColumnRefs, indentLevel) // recursion // DuckDB doesn't support non-INNER JOINs with ON clauses that reference columns from outer tables: // SELECT ( @@ -285,29 +333,27 @@ func (remapper *QueryRemapper) remapJoinExpressions(selectStatement *pgQuery.Sel return node } -func (remapper *QueryRemapper) remappedExpressions(node *pgQuery.Node, indentLevel int) *pgQuery.Node { +func (remapper *QueryRemapper) remappedExpressions(node *pgQuery.Node, remappedColumnRefs map[string]string, indentLevel int) *pgQuery.Node { // CASE caseExpression := node.GetCaseExpr() if caseExpression != nil { - remapper.remapCaseExpression(caseExpression, indentLevel) // recursion + remapper.remapCaseExpression(caseExpression, remappedColumnRefs, indentLevel) // recursion } // OR/AND boolExpr := node.GetBoolExpr() if boolExpr != nil { for i, arg := range boolExpr.Args { - boolExpr.Args[i] = remapper.remappedExpressions(arg, indentLevel+1) // self-recursion + boolExpr.Args[i] = remapper.remappedExpressions(arg, remappedColumnRefs, indentLevel+1) // self-recursion } } // COALESCE(value1, value2, ...) coalesceExpr := node.GetCoalesceExpr() if coalesceExpr != nil { - for _, arg := range coalesceExpr.Args { - if arg.GetSubLink() != nil { - // Nested SELECT - subSelect := arg.GetSubLink().Subselect.GetSelectStmt() - remapper.remapSelectStatement(subSelect, indentLevel+1) // recursion + for i, arg := range coalesceExpr.Args { + if arg != nil { + coalesceExpr.Args[i] = remapper.remappedExpressions(arg, remappedColumnRefs, indentLevel+1) // self-recursion } } } @@ -319,22 +365,22 @@ func (remapper *QueryRemapper) remappedExpressions(node *pgQuery.Node, indentLev remapper.remapSelectStatement(subSelect, indentLevel+1) // recursion } - // Comparison + // Operator: =, ?, etc. aExpr := node.GetAExpr() if aExpr != nil { node = remapper.remapperExpression.RemappedExpression(node) if aExpr.Lexpr != nil { - aExpr.Lexpr = remapper.remappedExpressions(aExpr.Lexpr, indentLevel+1) // self-recursion + aExpr.Lexpr = remapper.remappedExpressions(aExpr.Lexpr, remappedColumnRefs, indentLevel+1) // self-recursion } if aExpr.Rexpr != nil { - aExpr.Rexpr = remapper.remappedExpressions(aExpr.Rexpr, indentLevel+1) // self-recursion + aExpr.Rexpr = remapper.remappedExpressions(aExpr.Rexpr, remappedColumnRefs, indentLevel+1) // self-recursion } } // IS NULL nullTest := node.GetNullTest() if nullTest != nil { - nullTest.Arg = remapper.remappedExpressions(nullTest.Arg, indentLevel+1) // self-recursion + nullTest.Arg = remapper.remappedExpressions(nullTest.Arg, remappedColumnRefs, indentLevel+1) // self-recursion } // IN @@ -355,9 +401,13 @@ func (remapper *QueryRemapper) remappedExpressions(node *pgQuery.Node, indentLev for i, arg := range functionCall.Args { if arg != nil { - functionCall.Args[i] = remapper.remappedExpressions(arg, indentLevel+1) // self-recursion + functionCall.Args[i] = remapper.remappedExpressions(arg, remappedColumnRefs, indentLevel+1) // self-recursion } } + + if functionCall.AggFilter != nil && functionCall.AggFilter.GetNullTest() != nil { + functionCall.AggFilter.GetNullTest().Arg = remapper.remappedExpressions(functionCall.AggFilter.GetNullTest().Arg, remappedColumnRefs, indentLevel+1) // self-recursion + } } // (FUNCTION()).n @@ -370,42 +420,59 @@ func (remapper *QueryRemapper) remappedExpressions(node *pgQuery.Node, indentLev } } + // [column] + columnRef := node.GetColumnRef() + if columnRef != nil { + if len(columnRef.Fields) == 1 && columnRef.Fields[0].GetString_() != nil { + remappedField, ok := remappedColumnRefs[columnRef.Fields[0].GetString_().Sval] + if ok { + columnRef.Fields[0] = pgQuery.MakeStrNode(remappedField) + } + } + } + return remapper.remapperExpression.RemappedExpression(node) } // CASE ... -func (remapper *QueryRemapper) remapCaseExpression(caseExpr *pgQuery.CaseExpr, indentLevel int) { +func (remapper *QueryRemapper) remapCaseExpression(caseExpr *pgQuery.CaseExpr, remappedColumnRefs map[string]string, indentLevel int) { for _, when := range caseExpr.Args { if whenClause := when.GetCaseWhen(); whenClause != nil { // WHEN ... if whenClause.Expr != nil { - whenClause.Expr = remapper.remappedExpressions(whenClause.Expr, indentLevel+1) // recursion + whenClause.Expr = remapper.remappedExpressions(whenClause.Expr, remappedColumnRefs, indentLevel+1) // recursion } // THEN ... if whenClause.Result != nil { - whenClause.Result = remapper.remappedExpressions(whenClause.Result, indentLevel+1) // recursion + whenClause.Result = remapper.remappedExpressions(whenClause.Result, remappedColumnRefs, indentLevel+1) // recursion } } } // ELSE ... if caseExpr.Defresult != nil { - caseExpr.Defresult = remapper.remappedExpressions(caseExpr.Defresult, indentLevel+1) // recursion + caseExpr.Defresult = remapper.remappedExpressions(caseExpr.Defresult, remappedColumnRefs, indentLevel+1) // recursion } } // SELECT ... -func (remapper *QueryRemapper) remapSelect(selectStatement *pgQuery.SelectStmt, indentLevel int) *pgQuery.SelectStmt { +func (remapper *QueryRemapper) remapSelect(selectStatement *pgQuery.SelectStmt, indentLevel int) map[string]string { remapper.traceTreeTraversal("SELECT statements", indentLevel) + remappedColumnRefs := make(map[string]string) // SELECT ... for targetNodeIdx, targetNode := range selectStatement.TargetList { - targetNode = remapper.remapperSelect.SetDefaultTargetNameToFunctionName(targetNode) + targetNode, remappedColRefs := remapper.remapperSelect.RemapTargetName(targetNode) + for previousName, newName := range remappedColRefs { + remappedColumnRefs[previousName] = newName + } + + targetNode = remapper.remapperSelect.SetTargetNameIfEmpty(targetNode) valNode := targetNode.GetResTarget().Val if valNode != nil { - targetNode.GetResTarget().Val = remapper.remappedExpressions(valNode, indentLevel) // recursion + targetNode.GetResTarget().Val = remapper.remappedExpressions(valNode, remappedColumnRefs, indentLevel) // recursion } // Nested SELECT @@ -437,7 +504,13 @@ func (remapper *QueryRemapper) remapSelect(selectStatement *pgQuery.SelectStmt, } } - return selectStatement + // DISTINCT ON (column) + distinctClauses := selectStatement.GetDistinctClause() + for i, distinctNode := range distinctClauses { + distinctClauses[i] = remapper.remappedExpressions(distinctNode, remappedColumnRefs, indentLevel) // recursion + } + + return remappedColumnRefs } // Fix the query sent by psql "\d [table]": ... WHERE attrelid = pr.prrelid AND attnum = prattrs[s] ... diff --git a/src/query_remapper_expression.go b/server/query_remapper_expression.go similarity index 66% rename from src/query_remapper_expression.go rename to server/query_remapper_expression.go index 50049f0..872d921 100644 --- a/src/query_remapper_expression.go +++ b/server/query_remapper_expression.go @@ -3,7 +3,7 @@ package main import ( "strings" - pgQuery "github.com/pganalyze/pg_query_go/v5" + pgQuery "github.com/pganalyze/pg_query_go/v6" ) type QueryRemapperExpression struct { @@ -25,8 +25,9 @@ func NewQueryRemapperExpression(config *Config) *QueryRemapperExpression { func (remapper *QueryRemapperExpression) RemappedExpression(node *pgQuery.Node) *pgQuery.Node { node = remapper.remappedTypeCast(node) - node = remapper.remappedArithmeticExpression(node) + node = remapper.remappedOperatorExpression(node) node = remapper.remappedCollateClause(node) + node = remapper.remappedNullColumnExpression(node) remapper.remapColumnReference(node) return node @@ -62,6 +63,9 @@ func (remapper *QueryRemapperExpression) remappedTypeCast(node *pgQuery.Node) *p return node } return remapper.parserTypeCast.MakeSubselectOidBySchemaTableArg(nestedTypeCast.Arg) + case "jsonb": + // value::jsonb -> value::json + remapper.parserTypeCast.SetTypeName(typeCast, "json") case "text": // value::(regtype|regnamespace|regclass)::text -> value::text nestedTypeCast := remapper.parserTypeCast.NestedTypeCast(typeCast) @@ -71,30 +75,70 @@ func (remapper *QueryRemapperExpression) remappedTypeCast(node *pgQuery.Node) *p return node } remapper.parserTypeCast.SetTypeCastArg(typeCast, nestedTypeCast.Arg) + default: + // Allow other type casts as-is (regtype, etc.) } return node } -func (remapper *QueryRemapperExpression) remappedArithmeticExpression(node *pgQuery.Node) *pgQuery.Node { +func (remapper *QueryRemapperExpression) remappedOperatorExpression(node *pgQuery.Node) *pgQuery.Node { aExpr := remapper.parserAExpr.AExpr(node) if aExpr == nil { return node } - // = ANY({schema_information}) -> IN (schema_information) - node = remapper.parserAExpr.ConvertedRightAnyToIn(node) + // value = ANY($1::text[]) -> list_contains($1::text[], value) + node = remapper.parserAExpr.RemappedAnyTextArrayParameter(node) + if node.GetAExpr() == nil { + return node + } + + // = ANY('{information_schema, ...}') -> IN ('information_schema', ...) + node = remapper.parserAExpr.ConvertedRightAnyStringConstantToIn(node) // pg_catalog.[operator] -> [operator] remapper.parserAExpr.RemovePgCatalog(node) + // [column]->>'value' -> json_extract_string([column], 'value') + node = remapper.parserAExpr.RemappedJsonExtractString(node) + + // [column]->'value' -> json_extract([column], 'value') + node = remapper.parserAExpr.RemappedJsonExtract(node) + + // [column] ? 'key' -> json_exists([column], 'key') + node = remapper.parserAExpr.RemappedJsonExists(node) + return node } +// DuckDB v2 doesn't return results with "WHERE [column] IS NOT NULL" +// * [column] IS NOT NULL -> NOT [column] IS NULL +// * [column] IS NULL -> NOT [column] IS NOT NULL +func (remapper *QueryRemapperExpression) remappedNullColumnExpression(node *pgQuery.Node) *pgQuery.Node { + nullTest := node.GetNullTest() + if nullTest == nil || nullTest.Arg == nil || nullTest.Arg.GetColumnRef() == nil { + return node + } + + if nullTest.Nulltesttype == pgQuery.NullTestType_IS_NOT_NULL { + nullTest.Nulltesttype = pgQuery.NullTestType_IS_NULL + } else if nullTest.Nulltesttype == pgQuery.NullTestType_IS_NULL { + nullTest.Nulltesttype = pgQuery.NullTestType_IS_NOT_NULL + } + + return remapper.parserColumnRef.NotBooleanExpression(node) +} + // public.table.column -> table.column // schema.table.column -> schema_table.column func (remapper *QueryRemapperExpression) remapColumnReference(node *pgQuery.Node) { - fieldNames := remapper.parserColumnRef.FieldNames(node) + columnRef := node.GetColumnRef() + if columnRef == nil { + return + } + + fieldNames := remapper.parserColumnRef.FieldNames(columnRef) if fieldNames == nil || len(fieldNames) != 3 { return } diff --git a/src/query_remapper_function.go b/server/query_remapper_function.go similarity index 70% rename from src/query_remapper_function.go rename to server/query_remapper_function.go index 76f64e0..de22e69 100644 --- a/src/query_remapper_function.go +++ b/server/query_remapper_function.go @@ -2,13 +2,8 @@ package main import ( "regexp" - "strings" - pgQuery "github.com/pganalyze/pg_query_go/v5" -) - -const ( - BEMIDB_FUNCTION_LAST_SYNCED_AT = "bemidb_last_synced_at" + pgQuery "github.com/pganalyze/pg_query_go/v6" ) var PG_CATALOG_MACRO_FUNCTION_NAMES = Set[string]{} @@ -20,12 +15,13 @@ func CreatePgCatalogMacroQueries(config *Config) []string { "CREATE MACRO aclexplode(aclitem_array) AS json(aclitem_array)", "CREATE MACRO current_setting(setting_name) AS '', (setting_name, missing_ok) AS ''", "CREATE MACRO pg_backend_pid() AS 0", + "CREATE MACRO pg_cancel_backend(pid) AS true", "CREATE MACRO pg_encoding_to_char(encoding_int) AS 'UTF8'", "CREATE MACRO pg_get_expr(pg_node_tree, relation_oid) AS pg_catalog.pg_get_expr(pg_node_tree, relation_oid), (pg_node_tree, relation_oid, pretty_bool) AS pg_catalog.pg_get_expr(pg_node_tree, relation_oid)", "CREATE MACRO pg_get_function_identity_arguments(func_oid) AS ''", "CREATE MACRO pg_get_indexdef(index_oid) AS '', (index_oid, column_int) AS '', (index_oid, column_int, pretty_bool) AS ''", "CREATE MACRO pg_get_partkeydef(table_oid) AS ''", - "CREATE MACRO pg_get_userbyid(role_id) AS 'bemidb'", + "CREATE MACRO pg_get_userbyid(role_id) AS '" + config.User + "'", "CREATE MACRO pg_get_viewdef(view_oid) AS pg_catalog.pg_get_viewdef(view_oid), (view_oid, pretty_bool) AS pg_catalog.pg_get_viewdef(view_oid)", "CREATE MACRO pg_indexes_size(regclass) AS 0", "CREATE MACRO pg_is_in_recovery() AS false", @@ -35,7 +31,7 @@ func CreatePgCatalogMacroQueries(config *Config) []string { "CREATE MACRO quote_ident(text) AS '\"' || text || '\"'", "CREATE MACRO row_to_json(record) AS to_json(record), (record, pretty_bool) AS to_json(record)", "CREATE MACRO set_config(setting_name, new_value, is_local) AS new_value", - "CREATE MACRO version() AS 'PostgreSQL " + PG_VERSION + ", compiled by BemiDB'", + "CREATE MACRO version() AS 'PostgreSQL " + PG_VERSION + ", compiled by PgStack'", "CREATE MACRO pg_get_statisticsobjdef_columns(oid) AS NULL", "CREATE MACRO pg_relation_is_publishable(val) AS NULL", `CREATE MACRO jsonb_extract_path_text(from_json, path_elems) AS @@ -43,18 +39,37 @@ func CreatePgCatalogMacroQueries(config *Config) []string { WHEN true THEN json_extract_path_text(from_json, path_elems)[1]::varchar ELSE json_extract_path_text(from_json, path_elems)::varchar END`, - `CREATE MACRO json_build_object(k1, v1) AS json_object(k1, v1), - (k1, v1, k2, v2) AS json_object(k1, v1, k2, v2), - (k1, v1, k2, v2, k3, v3) AS json_object(k1, v1, k2, v2, k3, v3), - (k1, v1, k2, v2, k3, v3, k4, v4) AS json_object(k1, v1, k2, v2, k3, v3, k4, v4)`, + `CREATE MACRO jsonb_object_agg(key, value) AS to_json(map(array_agg(key), array_agg(value)))`, + `CREATE MACRO jsonb_array_length(json) AS CAST(json_array_length(json) AS INTEGER)`, + `CREATE MACRO jsonb_pretty(json) AS json_pretty(json)`, + `CREATE MACRO json_array_elements(json) AS unnest(json_extract(json, '$[*]'))`, + `CREATE MACRO jsonb_array_elements(json) AS unnest(json_extract(json, '$[*]'))`, + `CREATE OR REPLACE MACRO json_build_object(k1, v1) AS json_object(CAST(k1 AS VARCHAR), v1)`, + `CREATE OR REPLACE MACRO json_build_object(k1, v1, k2, v2) AS json_object(CAST(k1 AS VARCHAR), v1, CAST(k2 AS VARCHAR), v2)`, + `CREATE OR REPLACE MACRO json_build_object(k1, v1, k2, v2, k3, v3) AS json_object(CAST(k1 AS VARCHAR), v1, CAST(k2 AS VARCHAR), v2, CAST(k3 AS VARCHAR), v3)`, + `CREATE OR REPLACE MACRO json_build_object(k1, v1, k2, v2, k3, v3, k4, v4) AS json_object(CAST(k1 AS VARCHAR), v1, CAST(k2 AS VARCHAR), v2, CAST(k3 AS VARCHAR), v3, CAST(k4 AS VARCHAR), v4)`, `CREATE MACRO array_upper(arr, dimension) AS CASE dimension WHEN 1 THEN len(arr) ELSE NULL END`, + `CREATE MACRO to_char(timestamp_var, text) AS + CASE text + WHEN 'YYYY-MM-DD' THEN strftime(timestamp_var, '%Y-%m-%d') + WHEN 'YYYY-MM-DD HH24:MI:SS' THEN strftime(timestamp_var, '%Y-%m-%d %H:%M:%S') + WHEN 'MM/DD/YYYY' THEN strftime(timestamp_var, '%m/%d/%Y') + WHEN 'DD-MON-YYYY' THEN strftime(timestamp_var, '%d-%b-%Y') + WHEN 'HH24:MI:SS' THEN strftime(timestamp_var, '%H:%M:%S') + WHEN 'YYYY' THEN strftime(timestamp_var, '%Y') + WHEN 'MM' THEN strftime(timestamp_var, '%m') + WHEN 'DD' THEN strftime(timestamp_var, '%d') + ELSE strftime(timestamp_var, text) + END`, // Table functions "CREATE MACRO pg_is_in_recovery() AS TABLE SELECT false AS pg_is_in_recovery", + `CREATE MACRO json_array_elements(json) AS TABLE SELECT unnest(json_extract(json, '$[*]'))`, + `CREATE MACRO jsonb_array_elements(json) AS TABLE SELECT unnest(json_extract(json, '$[*]'))`, `CREATE MACRO pg_show_all_settings() AS TABLE SELECT name, value AS setting, @@ -88,13 +103,13 @@ func CreatePgCatalogMacroQueries(config *Config) []string { func CreateInformationSchemaMacroQueries(config *Config) []string { result := []string{ - "CREATE MACRO _pg_expandarray(arr) AS STRUCT_PACK(x := unnest(arr), n := unnest(generate_series(1, array_length(arr))))", + "CREATE MACRO _pg_expandarray(arr) AS TABLE SELECT unnest(arr) AS x, unnest(generate_series(1, array_length(arr))) AS n", } PG_INFORMATION_SCHEMA_MACRO_FUNCTION_NAMES = extractMacroNames(result) return result } -var BUILTIN_DUCKDB_PG_FUNCTION_NAMES = NewSet([]string{ +var BUILTIN_DUCKDB_PG_FUNCTION_NAMES = NewSet[string]().AddAll([]string{ "array_to_string", "generate_series", }) @@ -113,13 +128,9 @@ func NewQueryRemapperFunction(config *Config, icebergReader *IcebergReader) *Que } } -func (remapper *QueryRemapperFunction) SchemaFunction(functionCall *pgQuery.FuncCall) *QuerySchemaFunction { - return remapper.parserFunction.SchemaFunction(functionCall) -} - // FUNCTION(...) -> ANOTHER_FUNCTION(...) func (remapper *QueryRemapperFunction) RemapFunctionCall(functionCall *pgQuery.FuncCall) *QuerySchemaFunction { - schemaFunction := remapper.SchemaFunction(functionCall) + schemaFunction := remapper.parserFunction.SchemaFunction(functionCall) // Pre-defined macro functions switch schemaFunction.Schema { @@ -150,29 +161,11 @@ func (remapper *QueryRemapperFunction) RemapFunctionCall(functionCall *pgQuery.F case schemaFunction.Function == PG_FUNCTION_ENCODE: remapper.parserFunction.RemoveEncode(functionCall) return schemaFunction + } - // bemidb_last_synced_at('schema.table') -> to_timestamp(internalTableMetadata.LastSyncedAt) - case schemaFunction.Function == BEMIDB_FUNCTION_LAST_SYNCED_AT: - schemaTableName := remapper.parserFunction.FirstArgumentToString(functionCall) - schemaTableParts := strings.Split(schemaTableName, ".") - var pgSchemaTable PgSchemaTable - if len(schemaTableParts) == 2 { - pgSchemaTable.Schema = schemaTableParts[0] - pgSchemaTable.Table = schemaTableParts[1] - } else { - pgSchemaTable.Schema = PG_SCHEMA_PUBLIC - pgSchemaTable.Table = schemaTableParts[0] - } - - internalTableMetadata, err := remapper.icebergReader.InternalTableMetadata(pgSchemaTable) - - if err != nil { - LogError(remapper.config, "Failed to get internal table metadata for %s: %v", pgSchemaTable, err) - remapper.parserFunction.RemapToTimestamp(functionCall, 0) - } else { - remapper.parserFunction.RemapToTimestamp(functionCall, internalTableMetadata.LastSyncedAt) - } - + // jsonb_agg(...) -> to_json(array_agg(...)) + if schemaFunction.Function == PG_FUNCTION_JSONB_AGG { + remapper.parserFunction.RemapJsonbAgg(functionCall) return schemaFunction } diff --git a/server/query_remapper_search.go b/server/query_remapper_search.go new file mode 100644 index 0000000..d987b9e --- /dev/null +++ b/server/query_remapper_search.go @@ -0,0 +1,509 @@ +package main + +import ( + "encoding/json" + "fmt" + "strconv" + "strings" + + pgQuery "github.com/pganalyze/pg_query_go/v6" + "google.golang.org/protobuf/proto" + "google.golang.org/protobuf/reflect/protoreflect" +) + +const ( + VECTOR_SEARCH_OVERSAMPLE = 10 + HYBRID_RRF_CONSTANT = 60 + PGSTACK_CHUNK_INDEX_COLUMN = "__pgstack_chunk_index" + PGSTACK_SOURCE_KEY_COLUMN = "__pgstack_source_key" + PGSTACK_VECTOR_RANK_COLUMN = "__pgstack_rank" +) + +type serverSearchTable struct { + Name string `json:"name"` + IndexColumns []string `json:"indexColumns"` + StoreColumns []string `json:"storeColumns"` + KeywordOnly bool `json:"keywordOnly,omitempty"` +} + +type vectorQueryOperand struct { + key string + sql string +} + +type SearchParameterSpec struct { + Dimensions int + RequireNonZero bool + LiteralText *string + SourceParameter int + TextOnly bool + RowCountTable string +} + +func (remapper *QueryRemapper) remapSearchRank(selectStatement *pgQuery.SelectStmt, vectorParameters map[int]SearchParameterSpec) error { + hasRank := false + visitSearchMessages(selectStatement, func(message protoreflect.Message) { + if call, ok := message.Interface().(*pgQuery.FuncCall); ok && isSearchRankFunction(call) { + hasRank = true + } + }) + if !hasRank { + return nil + } + if len(selectStatement.FromClause) != 1 || len(selectStatement.SortClause) != 1 { + return fmt.Errorf("search rank requires one Search table and one ORDER BY rank function") + } + rangeVar := selectStatement.FromClause[0].GetRangeVar() + if rangeVar == nil || rangeVar.Schemaname != PG_SCHEMA_SEARCH || len(rangeVar.Alias.GetColnames()) != 0 { + return fmt.Errorf("search rank requires a single Search table without column aliases") + } + if len(selectStatement.GroupClause) != 0 || selectStatement.HavingClause != nil || len(selectStatement.DistinctClause) != 0 || len(selectStatement.WindowClause) != 0 { + return fmt.Errorf("search rank does not support grouping, DISTINCT, or window clauses") + } + sortBy := selectStatement.SortClause[0].GetSortBy() + if sortBy == nil || sortBy.Node == nil { + return nil + } + functionCall := sortBy.Node.GetFuncCall() + if !isSearchRankFunction(functionCall) { + return fmt.Errorf("search rank must be the ORDER BY expression") + } + if functionCall.AggDistinct || functionCall.AggStar || len(functionCall.AggOrder) != 0 || functionCall.AggFilter != nil || functionCall.Over != nil || functionCall.AggWithinGroup { + return fmt.Errorf("search rank functions do not support aggregate or window syntax") + } + if sortBy.SortbyDir != pgQuery.SortByDir_SORTBY_DEFAULT && sortBy.SortbyDir != pgQuery.SortByDir_SORTBY_ASC { + return fmt.Errorf("search rank queries must use ascending order") + } + limit := int32(10) + if selectStatement.LimitCount != nil { + if selectStatement.LimitCount.GetAConst() == nil || selectStatement.LimitCount.GetAConst().GetIval() == nil { + return fmt.Errorf("search rank LIMIT must be an integer") + } + limit = selectStatement.LimitCount.GetAConst().GetIval().Ival + } + if limit <= 0 { + return fmt.Errorf("search rank LIMIT must be positive") + } + if selectStatement.LimitCount == nil { + selectStatement.LimitCount = pgQuery.MakeAConstIntNode(int64(limit), 0) + selectStatement.LimitOption = pgQuery.LimitOption_LIMIT_OPTION_COUNT + } + + offset := int32(0) + if selectStatement.LimitOffset != nil { + constant := selectStatement.LimitOffset.GetAConst() + if constant == nil || constant.GetIval() == nil || constant.GetIval().Ival < 0 { + return fmt.Errorf("search rank OFFSET must be a non-negative integer") + } + offset = constant.GetIval().Ival + } + requiredDocuments := int64(limit) + int64(offset) + + embeddingName := "__pgstack_embedding" + var configuredTables []serverSearchTable + if err := json.Unmarshal([]byte(remapper.config.SearchTablesJSON), &configuredTables); err != nil { + return fmt.Errorf("invalid Search server configuration: %w", err) + } + var configuredTable *serverSearchTable + for _, table := range configuredTables { + if strings.ReplaceAll(table.Name, ".", "_") != rangeVar.Relname { + continue + } + configuredTable = &table + break + } + if configuredTable == nil || len(configuredTable.IndexColumns) == 0 { + return fmt.Errorf("unknown or unindexed Search table: search.%s", rangeVar.Relname) + } + + rankFunction := functionCall.Funcname[0].GetString_().Sval + if configuredTable.KeywordOnly && rankFunction != "keyword_rank" { + return fmt.Errorf("%s requires semantic indexing; restart the local image with OPENAI_API_KEY", rankFunction) + } + dimensions := OPENAI_EMBEDDING_DIMENSIONS + if rankFunction == "keyword_rank" { + dimensions = 0 + } + nextParameterNumber := maxVectorParameterNumber(selectStatement) + 1 + queryOperand, err := parseSearchRankArgument(functionCall, dimensions, vectorParameters, &nextParameterNumber) + if err != nil { + return err + } + distanceExpression := fmt.Sprintf( + "%s(%s, %s)", + "array_cosine_distance", + quoteVectorIdentifier(embeddingName), + queryOperand.sql, + ) + replaceSearchRankTargets(selectStatement, queryOperand.key, rankFunction) + // Keep search text validation/binding separate from ordinary SQL parameters. + validationCopy := proto.Clone(selectStatement).(*pgQuery.SelectStmt) + validationCopy.SortClause = nil + var validationError error + visitSearchMessages(validationCopy, func(message protoreflect.Message) { + if call, ok := message.Interface().(*pgQuery.FuncCall); ok && isSearchRankFunction(call) { + validationError = fmt.Errorf("selected rank functions must match the ORDER BY query") + } + if parameter, ok := message.Interface().(*pgQuery.ParamRef); ok && queryOperand.key == "parameter:"+strconv.Itoa(int(parameter.Number)) { + validationError = fmt.Errorf("search rank parameter $%d cannot also be used outside the rank function; use a separate parameter", parameter.Number) + } + }) + if validationError != nil { + return validationError + } + + path := fmt.Sprintf("s3://%s/%s/%s.lance", remapper.config.AwsS3Bucket, strings.Trim(remapper.config.SearchBasePath, "/"), rangeVar.Relname) + alias := rangeVar.Relname + if rangeVar.Alias != nil { + alias = rangeVar.Alias.Aliasname + } + projectedColumns := make([]string, 0, len(configuredTable.StoreColumns)+1) + for _, column := range configuredTable.StoreColumns { + projectedColumns = append(projectedColumns, quoteVectorIdentifier(column)) + } + publicColumns := strings.Join(projectedColumns, ", ") + projectedColumns = append(projectedColumns, quoteVectorIdentifier(PGSTACK_SOURCE_KEY_COLUMN)) + searchLimit := requiredDocuments * VECTOR_SEARCH_OVERSAMPLE + projected := strings.Join(projectedColumns, ", ") + projectedWithDistance := projected + ", " + quoteVectorIdentifier("__pgstack_distance") + physicalTable := "search_store.main." + quoteVectorIdentifier(rangeVar.Relname) + // Apply filters directly to each raw retrieval before chunk deduplication. + // Conservative prefilter eligibility avoids rejecting valid DuckDB expressions + // that Lance cannot evaluate. Those still retain filtered exhaustive fallbacks. + prefilter := isSearchPrefilter(selectStatement.WhereClause) + vectorSource := func(k string) string { + return fmt.Sprintf("SELECT %s, %s AS __pgstack_distance FROM lance_vector_search('%s', '%s', %s, k => %s, prefilter => %t)", + projected, distanceExpression, strings.ReplaceAll(path, "'", "''"), embeddingName, queryOperand.sql, k, prefilter) + } + textOperand := queryOperand.sql + if rankFunction == "hybrid_rank" { + textParameter := nextParameterNumber + nextParameterNumber++ + textSpec := SearchParameterSpec{TextOnly: true} + if parameter := functionCall.Args[0].GetParamRef(); parameter != nil { + textSpec.SourceParameter = int(parameter.Number) + } else { + text := functionCall.Args[0].GetAConst().GetSval().Sval + textSpec.LiteralText = &text + } + vectorParameters[textParameter] = textSpec + textOperand = searchOperandSQL(textParameter, 0) + } + keywordSource := func(k string) string { + return fmt.Sprintf("SELECT %s, -_score AS __pgstack_distance FROM lance_fts('%s', '__pgstack_text', %s, k => %s, prefilter => %t)", + projected, strings.ReplaceAll(path, "'", "''"), textOperand, k, prefilter) + } + if rankFunction == "keyword_rank" && (selectStatement.WhereClause == nil || prefilter) { + // Only the first chunk has searchable text, so FTS already returns unique + // documents. With no postfilter, LIMIT + OFFSET is the entire retrieval budget. + source, err := filterSearchSource(keywordSource(strconv.FormatInt(requiredDocuments, 10)), selectStatement.WhereClause, alias) + if err != nil { + return err + } + template := fmt.Sprintf("SELECT %s FROM (%s) AS %s ORDER BY __pgstack_distance, __pgstack_source_key", + projectedWithDistance, source, quoteVectorIdentifier(alias)) + return remapSearchSource(selectStatement, template, configuredTable.StoreColumns, alias) + } + vectorFallback := fmt.Sprintf("SELECT %s, %s AS __pgstack_distance FROM %s WHERE %s IS NOT NULL", + projected, distanceExpression, physicalTable, quoteVectorIdentifier(embeddingName)) + allChunks := "" + if rankFunction != "semantic_rank" { + vectorParameters[nextParameterNumber] = SearchParameterSpec{RowCountTable: physicalTable} + allChunks = fmt.Sprintf("CAST($%d AS BIGINT)", nextParameterNumber) + } + filteredDocuments := func(source string) (string, error) { + filtered, err := filterSearchSource(source, selectStatement.WhereClause, alias) + if err != nil { + return "", err + } + return buildVectorDocumentsQuery(filtered, projectedWithDistance, alias), nil + } + buildDocuments := func(fallback bool) (string, error) { + k := strconv.FormatInt(searchLimit, 10) + if fallback { + k = allChunks + } + if rankFunction == "keyword_rank" { + return filteredDocuments(keywordSource(k)) + } + vectorSQL := vectorFallback + if !fallback { + vectorSQL = vectorSource(k) + } + vectorDocuments, err := filteredDocuments(vectorSQL) + if err != nil || rankFunction == "semantic_rank" { + return vectorDocuments, err + } + keywordDocuments, err := filteredDocuments(keywordSource(k)) + if err != nil { + return "", err + } + return buildHybridDocumentsQuery(vectorDocuments, keywordDocuments, projected), nil + } + candidateDocuments, err := buildDocuments(false) + if err != nil { + return err + } + fallbackDocuments, err := buildDocuments(true) + if err != nil { + return err + } + template := fmt.Sprintf( + `SELECT * FROM ( + WITH __pgstack_candidate_docs AS MATERIALIZED (%s), + __pgstack_fallback_docs AS (%s), + __pgstack_search_docs AS ( + SELECT %s FROM __pgstack_candidate_docs + WHERE (SELECT count(*) FROM __pgstack_candidate_docs) >= %d + UNION ALL + SELECT %s FROM __pgstack_fallback_docs + WHERE (SELECT count(*) FROM __pgstack_candidate_docs) < %d + ) + SELECT %s FROM __pgstack_search_docs + ) AS %s ORDER BY %s, %s`, + candidateDocuments, + fallbackDocuments, + projectedWithDistance, + requiredDocuments, + projectedWithDistance, + requiredDocuments, + publicColumns+", "+quoteVectorIdentifier("__pgstack_distance")+", "+quoteVectorIdentifier(PGSTACK_SOURCE_KEY_COLUMN), + quoteVectorIdentifier(alias), + quoteVectorIdentifier("__pgstack_distance"), + quoteVectorIdentifier(PGSTACK_SOURCE_KEY_COLUMN), + ) + return remapSearchSource(selectStatement, template, configuredTable.StoreColumns, alias) +} + +func remapSearchSource(selectStatement *pgQuery.SelectStmt, template string, columns []string, alias string) error { + parsed, err := pgQuery.Parse(template) + if err != nil { + return fmt.Errorf("failed to build search: %w", err) + } + templateSelect := parsed.Stmts[0].Stmt.GetSelectStmt() + expandSearchStars(selectStatement, columns, alias) + selectStatement.FromClause = templateSelect.FromClause + selectStatement.SortClause = templateSelect.SortClause + selectStatement.WhereClause = nil + return nil +} + +func buildVectorDocumentsQuery(source string, projectedColumns string, alias string) string { + return fmt.Sprintf( + `SELECT %s FROM ( + SELECT %s, row_number() OVER (PARTITION BY %s ORDER BY %s) AS %s + FROM (%s) AS __pgstack_chunks + ) AS %s WHERE %s = 1`, + projectedColumns, + projectedColumns, + quoteVectorIdentifier(PGSTACK_SOURCE_KEY_COLUMN), + quoteVectorIdentifier("__pgstack_distance"), + quoteVectorIdentifier(PGSTACK_VECTOR_RANK_COLUMN), + source, + quoteVectorIdentifier(alias), + quoteVectorIdentifier(PGSTACK_VECTOR_RANK_COLUMN), + ) +} + +// Both inputs contain one row per source document. Rank each retrieval after +// deduplication so extra vector chunks cannot boost a document's fusion score. +func buildHybridDocumentsQuery(vectorDocuments, keywordDocuments, columns string) string { + return fmt.Sprintf(`WITH __pgstack_vector_docs AS (%s), __pgstack_keyword_docs AS (%s), + __pgstack_signals AS ( + SELECT %s, -1.0 / (%d + rank() OVER (ORDER BY __pgstack_distance)) AS __pgstack_distance FROM __pgstack_vector_docs + UNION ALL + SELECT %s, -1.0 / (%d + rank() OVER (ORDER BY __pgstack_distance)) AS __pgstack_distance FROM __pgstack_keyword_docs + ) + SELECT %s, sum(__pgstack_distance) AS __pgstack_distance FROM __pgstack_signals GROUP BY %s`, + vectorDocuments, keywordDocuments, columns, HYBRID_RRF_CONSTANT, columns, HYBRID_RRF_CONSTANT, columns, columns) +} + +func filterSearchSource(source string, filter *pgQuery.Node, alias string) (string, error) { + parsed, err := pgQuery.Parse(source) + if err != nil { + return "", fmt.Errorf("failed to build search source: %w", err) + } + statement := parsed.Stmts[0].Stmt.GetSelectStmt() + if function := statement.FromClause[0].GetRangeFunction(); function != nil { + function.Alias = &pgQuery.Alias{Aliasname: alias} + } else { + statement.FromClause[0].GetRangeVar().Alias = &pgQuery.Alias{Aliasname: alias} + } + if filter != nil { + condition := proto.Clone(filter).(*pgQuery.Node) + if statement.WhereClause == nil { + statement.WhereClause = condition + } else { + statement.WhereClause = &pgQuery.Node{Node: &pgQuery.Node_BoolExpr{BoolExpr: &pgQuery.BoolExpr{ + Boolop: pgQuery.BoolExprType_AND_EXPR, Args: []*pgQuery.Node{statement.WhereClause, condition}, + }}} + } + } + return pgQuery.Deparse(parsed) +} + +// DuckDB translates simple column comparisons and conjunctions into Lance +// filters. Other expressions remain valid SQL with best-effort pushdown. +func isSearchPrefilter(filter *pgQuery.Node) bool { + if filter == nil { + return false + } + if boolean := filter.GetBoolExpr(); boolean != nil { + if boolean.Boolop != pgQuery.BoolExprType_AND_EXPR || len(boolean.Args) == 0 { + return false + } + for _, argument := range boolean.Args { + if !isSearchPrefilter(argument) { + return false + } + } + return true + } + if null := filter.GetNullTest(); null != nil { + return null.Arg.GetColumnRef() != nil && !null.Argisrow + } + expression := filter.GetAExpr() + if expression == nil || expression.Kind != pgQuery.A_Expr_Kind_AEXPR_OP || len(expression.Name) != 1 { + return false + } + switch expression.Name[0].GetString_().GetSval() { + case "=", "<>", "!=", "<", ">", "<=", ">=": + default: + return false + } + // Stored columns are VARCHAR. Numeric literals may cast the column, turning + // a comparison into an expression that cannot be guaranteed to prefilter. + isValue := func(node *pgQuery.Node) bool { + return node.GetParamRef() != nil || node.GetAConst().GetSval() != nil + } + return expression.Lexpr.GetColumnRef() != nil && isValue(expression.Rexpr) || expression.Rexpr.GetColumnRef() != nil && isValue(expression.Lexpr) +} + +func parseSearchRankArgument(functionCall *pgQuery.FuncCall, dimensions int, vectorParameters map[int]SearchParameterSpec, nextParameterNumber *int) (*vectorQueryOperand, error) { + if len(functionCall.Args) != 1 { + return nil, fmt.Errorf("search rank functions require exactly one text argument") + } + argument := functionCall.Args[0] + if parameter := argument.GetParamRef(); parameter != nil { + parameterNumber := int(parameter.Number) + vectorParameters[parameterNumber] = SearchParameterSpec{Dimensions: dimensions, RequireNonZero: dimensions > 0, TextOnly: dimensions == 0} + return &vectorQueryOperand{ + key: "parameter:" + strconv.Itoa(parameterNumber), + sql: searchOperandSQL(parameterNumber, dimensions), + }, nil + } + constant := argument.GetAConst() + if constant == nil || constant.GetSval() == nil { + return nil, fmt.Errorf("search rank argument must be a text literal or bind parameter") + } + text := constant.GetSval().Sval + if err := validateEmbeddingInput(text); err != nil { + return nil, err + } + parameterNumber := *nextParameterNumber + *nextParameterNumber = parameterNumber + 1 + vectorParameters[parameterNumber] = SearchParameterSpec{Dimensions: dimensions, RequireNonZero: dimensions > 0, LiteralText: &text, TextOnly: dimensions == 0} + return &vectorQueryOperand{ + key: "literal:" + text, + sql: searchOperandSQL(parameterNumber, dimensions), + }, nil +} + +func searchOperandSQL(parameter, dimensions int) string { + if dimensions == 0 { + return fmt.Sprintf("CAST($%d AS VARCHAR)", parameter) + } + return fmt.Sprintf("CAST($%d AS REAL[%d])", parameter, dimensions) +} + +func isSearchRankFunction(functionCall *pgQuery.FuncCall) bool { + if functionCall == nil || len(functionCall.Funcname) != 1 || functionCall.Funcname[0].GetString_() == nil { + return false + } + switch functionCall.Funcname[0].GetString_().Sval { + case "semantic_rank", "hybrid_rank", "keyword_rank": + return true + default: + return false + } +} + +func maxVectorParameterNumber(message proto.Message) int { + maximum := 0 + visitSearchMessages(message, func(current protoreflect.Message) { + if parameter, ok := current.Interface().(*pgQuery.ParamRef); ok { + maximum = max(maximum, int(parameter.Number)) + } + }) + return maximum +} + +func visitSearchMessages(message proto.Message, visitor func(protoreflect.Message)) { + var visit func(protoreflect.Message) + visit = func(current protoreflect.Message) { + visitor(current) + current.Range(func(field protoreflect.FieldDescriptor, value protoreflect.Value) bool { + if field.IsList() && field.Kind() == protoreflect.MessageKind { + list := value.List() + for i := 0; i < list.Len(); i++ { + visit(list.Get(i).Message()) + } + } else if field.Kind() == protoreflect.MessageKind { + visit(value.Message()) + } + return true + }) + } + visit(message.ProtoReflect()) +} + +func replaceSearchRankTargets(selectStatement *pgQuery.SelectStmt, operandKey string, rankFunction string) { + for _, targetNode := range selectStatement.TargetList { + target := targetNode.GetResTarget() + if target == nil || target.Val == nil { + continue + } + functionCall := target.Val.GetFuncCall() + if !isSearchRankFunction(functionCall) || functionCall.Funcname[0].GetString_().Sval != rankFunction || len(functionCall.Args) != 1 { + continue + } + argument := functionCall.Args[0] + matches := false + if parameter := argument.GetParamRef(); parameter != nil { + matches = operandKey == "parameter:"+strconv.Itoa(int(parameter.Number)) + } + if constant := argument.GetAConst(); constant != nil && constant.GetSval() != nil { + matches = operandKey == "literal:"+constant.GetSval().Sval + } + if matches { + if target.Name == "" { + target.Name = functionCall.Funcname[0].GetString_().Sval + } + target.Val = pgQuery.MakeColumnRefNode([]*pgQuery.Node{pgQuery.MakeStrNode("__pgstack_distance")}, 0) + } + } +} + +// The ranking column is available to ORDER BY but must not leak through SELECT *. +func expandSearchStars(statement *pgQuery.SelectStmt, columns []string, alias string) { + var targets []*pgQuery.Node + for _, node := range statement.TargetList { + target := node.GetResTarget() + column := target.GetVal().GetColumnRef() + if column == nil || len(column.Fields) == 0 || column.Fields[len(column.Fields)-1].GetAStar() == nil || + (len(column.Fields) > 1 && (len(column.Fields) != 2 || column.Fields[0].GetString_().GetSval() != alias)) { + targets = append(targets, node) + continue + } + for _, name := range columns { + targets = append(targets, &pgQuery.Node{Node: &pgQuery.Node_ResTarget{ResTarget: &pgQuery.ResTarget{ + Val: pgQuery.MakeColumnRefNode([]*pgQuery.Node{pgQuery.MakeStrNode(alias), pgQuery.MakeStrNode(name)}, 0), + }}}) + } + } + statement.TargetList = targets +} + +func quoteVectorIdentifier(value string) string { + return `"` + strings.ReplaceAll(value, `"`, `""`) + `"` +} diff --git a/server/query_remapper_search_test.go b/server/query_remapper_search_test.go new file mode 100644 index 0000000..2366425 --- /dev/null +++ b/server/query_remapper_search_test.go @@ -0,0 +1,262 @@ +package main + +import ( + "fmt" + "strings" + "testing" + + pgQuery "github.com/pganalyze/pg_query_go/v6" +) + +func searchTestConfig() *Config { + return &Config{AwsS3Bucket: "bucket", SearchBasePath: "org/project/search", SearchTablesJSON: `[{"name":"public.documents","indexColumns":["title","body"],"storeColumns":["id","body"]}]`} +} + +func remapSearchForTest(t *testing.T, query string) (string, map[int]SearchParameterSpec, error) { + t.Helper() + parsed, err := pgQuery.Parse(query) + if err != nil { + t.Fatal(err) + } + parameters := map[int]SearchParameterSpec{} + err = (&QueryRemapper{config: searchTestConfig()}).remapSearchRank(parsed.Stmts[0].Stmt.GetSelectStmt(), parameters) + if err != nil { + return "", parameters, err + } + sql, err := pgQuery.Deparse(parsed) + return sql, parameters, err +} + +func TestSemanticRank(t *testing.T) { + for _, function := range []string{"semantic_rank"} { + t.Run(function, func(t *testing.T) { + query, parameters, err := remapSearchForTest(t, `SELECT *, `+function+`('rain jacket') AS rank FROM search.public_documents ORDER BY `+function+`('rain jacket') LIMIT 5`) + if err != nil { + t.Fatal(err) + } + spec := parameters[1] + if len(parameters) != 1 || spec.LiteralText == nil || *spec.LiteralText != "rain jacket" || !spec.RequireNonZero { + t.Fatalf("unexpected rank parameters: %#v", parameters) + } + for _, expected := range []string{"lance_vector_search", "org/project/search/public_documents.lance", "array_cosine_distance", "__pgstack_embedding", "k := 50", "__pgstack_rank = 1", "__pgstack_fallback_docs", "__pgstack_distance AS rank", "$1::real[1536]"} { + if !strings.Contains(query, expected) { + t.Fatalf("missing %q: %s", expected, query) + } + } + if !strings.HasPrefix(query, "SELECT public_documents.id, public_documents.body,") { + t.Fatalf("SELECT * exposes internal columns: %s", query) + } + if strings.Contains(query, "rain jacket") || strings.Contains(query, function+"(") { + t.Fatalf("unmapped rank expression: %s", query) + } + }) + } +} + +func TestSearchRankParametersAndFilters(t *testing.T) { + for _, input := range []struct { + argument, cast string + parameter int + }{ + {"'rain jacket'", "$2::real[1536]", 2}, + {"$2", "$2::real[1536]", 2}, + } { + query, parameters, err := remapSearchForTest(t, `SELECT documents.id, semantic_rank(`+input.argument+`) AS rank FROM search.public_documents AS documents WHERE documents.id = $1 ORDER BY semantic_rank(`+input.argument+`) LIMIT 5 OFFSET 2`) + if err != nil { + t.Fatal(err) + } + if _, ok := parameters[input.parameter]; !ok { + t.Fatalf("missing embedding parameter: %#v", parameters) + } + for _, expected := range []string{input.cast, "k := 70", "count(*) FROM __pgstack_candidate_docs) >= 7", "OFFSET 2", "__pgstack_distance AS rank"} { + if !strings.Contains(query, expected) { + t.Fatalf("missing %q: %s", expected, query) + } + } + if strings.Count(query, "documents.id = $1") != 2 { + t.Fatalf("filter must apply before candidate/fallback choice: %s", query) + } + } + query, _, err := remapSearchForTest(t, `SELECT id FROM search.public_documents ORDER BY semantic_rank($1)`) + if err != nil { + t.Fatal(err) + } + if !strings.Contains(query, "LIMIT 10") || !strings.Contains(query, "k := 100") { + t.Fatalf("missing default limit: %s", query) + } +} + +func TestSearchRankValidation(t *testing.T) { + for _, test := range []struct{ query, want string }{ + {`SELECT * FROM search.public_documents ORDER BY semantic_rank('')`, "cannot be empty"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank('` + strings.Repeat("x", EMBEDDING_MAX_INPUT_BYTES+1) + `')`, "cannot exceed"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank(NULL)`, "text literal or bind parameter"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank(body)`, "text literal or bind parameter"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank()`, "exactly one"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank('one', 'two')`, "exactly one"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank('one') DESC`, "ascending"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank('one') LIMIT 0`, "positive"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank('one') LIMIT $1`, "integer"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank('one') OFFSET -1`, "non-negative"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank(DISTINCT 'one')`, "aggregate"}, + {`SELECT * FROM search.unknown ORDER BY semantic_rank('one')`, "unknown or unindexed"}, + {`SELECT * FROM search.public_documents WHERE body = $1 ORDER BY semantic_rank($1)`, "separate parameter"}, + {`SELECT semantic_rank('two') FROM search.public_documents ORDER BY semantic_rank('one')`, "must match"}, + {`SELECT * FROM search.public_documents ORDER BY semantic_rank('one'), id`, "one ORDER BY"}, + } { + t.Run(test.want+test.query[:min(35, len(test.query))], func(t *testing.T) { + _, _, err := remapSearchForTest(t, test.query) + if err == nil || !strings.Contains(err.Error(), test.want) { + t.Fatalf("expected %q, got %v for %s", test.want, err, test.query) + } + }) + } +} + +func TestSearchTableScanExposesStoredColumns(t *testing.T) { + config := searchTestConfig() + remapper := &QueryRemapperTable{parserTable: NewParserTable(config), config: config} + parsed, err := pgQuery.Parse(`SELECT * FROM search.public_documents AS documents`) + if err != nil { + t.Fatal(err) + } + statement := parsed.Stmts[0].Stmt.GetSelectStmt() + statement.FromClause[0] = remapper.RemapTable(statement.FromClause[0]) + query, err := pgQuery.Deparse(parsed) + if err != nil { + t.Fatal(err) + } + for _, expected := range []string{"SELECT id, body FROM search_store.main.public_documents", "__pgstack_chunk_index = 0", "documents"} { + if !strings.Contains(query, expected) { + t.Fatalf("missing %q: %s", expected, query) + } + } +} + +func TestKeywordAndHybridRankRemapping(t *testing.T) { + for _, function := range []string{"keyword_rank", "hybrid_rank"} { + query, specs, err := remapSearchForTest(t, "SELECT id, "+function+"($2) AS rank FROM search.public_documents AS d WHERE d.id = $1 ORDER BY "+function+"($2) LIMIT 2 OFFSET 1") + if err != nil { + t.Fatal(err) + } + want := "lance_fts" + if function == "hybrid_rank" { + want = "lance_vector_search" + } + if !strings.Contains(query, want) || (function == "keyword_rank" && strings.Contains(query, "array_cosine_distance")) || !strings.Contains(query, "__pgstack_text") { + t.Fatalf("incorrect search source: %s", query) + } + if specs[2].TextOnly != (function == "keyword_rank") { + t.Fatalf("incorrect binding: %#v", specs) + } + if function == "hybrid_rank" && specs[3].SourceParameter != 2 { + t.Fatalf("missing original query text: %#v", specs) + } + expectedFilters := 1 + if function == "hybrid_rank" { + expectedFilters = 4 + } + if strings.Count(query, "d.id = $1") != expectedFilters { + t.Fatalf("missing filtered fallback: %s", query) + } + } + for _, query := range []string{ + "SELECT semantic_rank('rain') FROM search.public_documents ORDER BY keyword_rank('rain')", + "SELECT keyword_rank('rain') FROM search.public_documents ORDER BY hybrid_rank('rain')", + "SELECT id FROM search.public_documents WHERE body = $1 ORDER BY keyword_rank($1)", + } { + if _, _, err := remapSearchForTest(t, query); err == nil { + t.Fatalf("expected mismatched rank/binding rejection: %s", query) + } + } +} + +func TestSearchFilterPlacement(t *testing.T) { + for _, test := range []struct { + filter string + prefilter bool + }{ + {"d.body = $1", true}, + {"d.body = 'waterproof' AND d.id >= '2'", true}, + {"d.body IS NOT NULL", true}, + {"length(d.body) > 3", false}, + {"d.id = 2", false}, + {"d.body = 'waterproof' OR d.body = 'excluded'", false}, + } { + for _, function := range []string{"semantic_rank", "keyword_rank", "hybrid_rank"} { + query, _, err := remapSearchForTest(t, "SELECT id FROM search.public_documents AS d WHERE "+test.filter+" ORDER BY "+function+"('rain jacket') LIMIT 2") + if err != nil { + t.Fatal(err) + } + if !strings.Contains(query, fmt.Sprintf("prefilter := %t", test.prefilter)) { + t.Fatalf("incorrect prefilter for %s: %s", test.filter, query) + } + if !strings.Contains(query, " d WHERE ") || strings.Contains(query, "__pgstack_rank = 1 AND") { + t.Fatalf("filter was applied after deduplication: %s", query) + } + if function == "hybrid_rank" && (!strings.Contains(query, "__pgstack_signals") || !strings.Contains(query, "rank() OVER") || strings.Contains(query, "lance_hybrid_search")) { + t.Fatalf("missing document fusion: %s", query) + } + } + } +} + +func TestKeywordRankDirectRetrieval(t *testing.T) { + for _, filter := range []string{"", "WHERE d.body = 'waterproof'", "WHERE d.body = $1", "WHERE d.body IS NOT NULL"} { + query, specs, err := remapSearchForTest(t, "SELECT *, keyword_rank('rain jacket') AS rank FROM search.public_documents AS d "+filter+" ORDER BY keyword_rank('rain jacket') LIMIT 5 OFFSET 2") + if err != nil { + t.Fatal(err) + } + if strings.Count(query, "lance_fts(") != 1 || !strings.Contains(query, "k := 7") || !strings.Contains(query, "OFFSET 2") { + t.Fatalf("incorrect direct retrieval: %s", query) + } + for _, unnecessary := range []string{"__pgstack_fallback_docs", "row_number()", "__pgstack_candidate_docs", "count(*)"} { + if strings.Contains(query, unnecessary) { + t.Fatalf("direct keyword retrieval contains %s: %s", unnecessary, query) + } + } + if len(specs) != 1 { + t.Fatalf("unexpected hidden parameters: %#v", specs) + } + for _, spec := range specs { + if !spec.TextOnly || spec.RowCountTable != "" { + t.Fatalf("unexpected binding: %#v", spec) + } + } + if !strings.HasPrefix(query, "SELECT d.id, d.body, __pgstack_distance AS rank") { + t.Fatalf("incorrect public projection: %s", query) + } + } + query, specs, err := remapSearchForTest(t, "SELECT id FROM search.public_documents WHERE length(body) > 3 ORDER BY keyword_rank('rain jacket') LIMIT 5") + if err != nil { + t.Fatal(err) + } + if !strings.Contains(query, "__pgstack_fallback_docs") || !strings.Contains(query, "k := 50") || len(specs) != 2 { + t.Fatalf("complex filter lost fallback: %s %#v", query, specs) + } +} + +func TestKeywordOnlyRankModes(t *testing.T) { + config := searchTestConfig() + config.SearchTablesJSON = strings.Replace(config.SearchTablesJSON, `"name":`, `"keywordOnly":true,"name":`, 1) + for _, function := range []string{"keyword_rank", "semantic_rank", "hybrid_rank"} { + parsed, err := pgQuery.Parse(`SELECT id FROM search.public_documents ORDER BY ` + function + `('rain jacket') LIMIT 5`) + if err != nil { + t.Fatal(err) + } + parameters := map[int]SearchParameterSpec{} + err = (&QueryRemapper{config: config}).remapSearchRank(parsed.Stmts[0].Stmt.GetSelectStmt(), parameters) + if function == "keyword_rank" { + if err != nil { + t.Fatal(err) + } + for _, parameter := range parameters { + if !parameter.TextOnly { + t.Fatal("keyword query requested embeddings") + } + } + } else if err == nil || !strings.Contains(err.Error(), "requires semantic indexing") { + t.Fatalf("unexpected error: %v", err) + } + } +} diff --git a/server/query_remapper_select.go b/server/query_remapper_select.go new file mode 100644 index 0000000..aff9074 --- /dev/null +++ b/server/query_remapper_select.go @@ -0,0 +1,86 @@ +package main + +import ( + pgQuery "github.com/pganalyze/pg_query_go/v6" +) + +type QueryRemapperSelect struct { + parserSelect *ParserSelect + parserFunction *ParserFunction + parserAExpr *ParserAExpr + parserColumnRef *ParserColumnRef + config *Config +} + +func NewQueryRemapperSelect(config *Config) *QueryRemapperSelect { + return &QueryRemapperSelect{ + parserSelect: NewParserSelect(config), + parserFunction: NewParserFunction(config), + parserAExpr: NewParserAExpr(config), + parserColumnRef: NewParserColumnRef(config), + config: config, + } +} + +// table.column AS table -> table.column AS table_ +// +// DuckDB can't execute GROUP BY table, thinking it's a table name instead of an alias: +// column "name" must appear in the GROUP BY clause or must be part of an aggregate function. +// Either add it to the GROUP BY list, or use "ANY_VALUE(name)" if the exact value of "name" is not important. +// +// So we rename the alias to table_ and use it in GROUP BY and ORDER BY clauses. +func (remapper *QueryRemapperSelect) RemapTargetName(targetNode *pgQuery.Node) (*pgQuery.Node, map[string]string) { + remappedColumnRefs := make(map[string]string) + + columnRef := remapper.parserColumnRef.ColumnRefFromTargetNode(targetNode) + if columnRef != nil { + fieldNames := remapper.parserColumnRef.FieldNames(columnRef) + targetName := remapper.parserSelect.TargetName(targetNode) + + if len(fieldNames) == 2 && fieldNames[0] == targetName { + newTargetName := targetName + "_" + remapper.parserSelect.SetTargetName(targetNode, newTargetName) + remappedColumnRefs[targetName] = newTargetName + } + } + + return targetNode, remappedColumnRefs +} + +// SELECT ... -> SELECT ... AS ... +func (remapper *QueryRemapperSelect) SetTargetNameIfEmpty(targetNode *pgQuery.Node) *pgQuery.Node { + aExpr := remapper.parserAExpr.AExprFromTargetNode(targetNode) + if aExpr != nil { + operatorName := remapper.parserAExpr.OperatorName(aExpr) + + // [column]->'value' or [column]->>'value' -> column_value + if operatorName == "->" || operatorName == "->>" { + columnName := remapper.parserAExpr.LeftColumnRefName(aExpr) + valueName := remapper.parserAExpr.RightAConstValue(aExpr) + + if columnName != "" && valueName != "" { + remapper.parserSelect.SetTargetNameIfEmpty(targetNode, columnName+"_"+valueName) + return targetNode + } + } + } + + functionCall := remapper.parserFunction.FunctionCall(targetNode) + if functionCall != nil { + schemaFunction := remapper.parserFunction.SchemaFunction(functionCall) + functionName := schemaFunction.Function + + // FUNCTION(...) -> FUNCTION(...) AS FUNCTION + remapper.parserSelect.SetTargetNameIfEmpty(targetNode, functionName) + return targetNode + } + + indirectionName := remapper.parserFunction.IndirectionName(targetNode) + if indirectionName != "" { + // (FUNCTION()).n -> (FUNCTION()).n AS n + remapper.parserSelect.SetTargetNameIfEmpty(targetNode, indirectionName) + return targetNode + } + + return targetNode +} diff --git a/src/query_remapper_show.go b/server/query_remapper_show.go similarity index 94% rename from src/query_remapper_show.go rename to server/query_remapper_show.go index cfb7ec4..18959dc 100644 --- a/src/query_remapper_show.go +++ b/server/query_remapper_show.go @@ -1,7 +1,7 @@ package main import ( - pgQuery "github.com/pganalyze/pg_query_go/v5" + pgQuery "github.com/pganalyze/pg_query_go/v6" ) type QueryRemapperShow struct { diff --git a/server/query_remapper_table.go b/server/query_remapper_table.go new file mode 100644 index 0000000..f51d1d7 --- /dev/null +++ b/server/query_remapper_table.go @@ -0,0 +1,793 @@ +package main + +import ( + "context" + "encoding/json" + "regexp" + "strings" + + pgQuery "github.com/pganalyze/pg_query_go/v6" +) + +var PG_CATALOG_TABLE_NAMES = Set[string]{} + +type QueryRemapperTable struct { + parserTable *ParserTable + parserFunction *ParserFunction + remapperFunction *QueryRemapperFunction + icebergReader *IcebergReader + config *Config + ServerDuckdbClient *DuckdbClient // nilable + + // Runtime loaded + IcebergPersistentSchemaTables Set[IcebergSchemaTable] +} + +func NewQueryRemapperTable(config *Config, icebergReader *IcebergReader, serverDuckdbClient *DuckdbClient) *QueryRemapperTable { + remapper := &QueryRemapperTable{ + parserTable: NewParserTable(config), + parserFunction: NewParserFunction(config), + remapperFunction: NewQueryRemapperFunction(config, icebergReader), + icebergReader: icebergReader, + ServerDuckdbClient: serverDuckdbClient, + config: config, + } + remapper.Reset() + return remapper +} + +// FROM / JOIN [TABLE] +func (remapper *QueryRemapperTable) RemapTable(node *pgQuery.Node) *pgQuery.Node { + parser := remapper.parserTable + qSchemaTable := parser.NodeToQuerySchemaTable(node) + if qSchemaTable.Schema == PG_SCHEMA_SEARCH { + var tables []serverSearchTable + if remapper.config != nil { + _ = json.Unmarshal([]byte(remapper.config.SearchTablesJSON), &tables) + } + columns := "*" + for _, table := range tables { + if strings.ReplaceAll(table.Name, ".", "_") == qSchemaTable.Table { + quoted := make([]string, len(table.StoreColumns)) + for i, column := range table.StoreColumns { + quoted[i] = quoteVectorIdentifier(column) + } + columns = strings.Join(quoted, ", ") + break + } + } + query := "SELECT " + columns + " FROM search_store.main." + quoteVectorIdentifier(qSchemaTable.Table) + + " WHERE " + quoteVectorIdentifier(PGSTACK_CHUNK_INDEX_COLUMN) + " = 0" + return parser.makeSubselectNode(query, qSchemaTable) + } + + // pg_catalog.pg_* system tables + if remapper.isTableFromPgCatalog(qSchemaTable) { + switch qSchemaTable.Table { + + // pg_class -> reload Iceberg tables + case PG_TABLE_PG_CLASS: + remapper.reloadIcebergTables() + + // pg_stat_user_tables -> return Iceberg tables + case PG_TABLE_PG_STAT_USER_TABLES: + remapper.reloadIcebergTables() + remapper.upsertPgStatUserTables() + + // pg_matviews -> reload Iceberg materialized views + case PG_TABLE_PG_MATVIEWS: + } + + // pg_catalog.[table] -> main.[table] for tables defined in CreatePgCatalogTableQueries + if PG_CATALOG_TABLE_NAMES.Contains(qSchemaTable.Table) { + parser.RemapSchemaToMain(node) + return node + } + + // pg_catalog.pg_* other system tables -> return as is + return node + } + + // information_schema.* system tables + if parser.IsTableFromInformationSchema(qSchemaTable) { + switch qSchemaTable.Table { + // information_schema.tables -> (SELECT * FROM main.tables) information_schema_tables + case PG_TABLE_TABLES: + remapper.reloadIcebergTables() + return parser.MakeInformationSchemaTablesNode(qSchemaTable) + + // information_schema.columns -> (SELECT * FROM main.columns) information_schema_columns + case PG_TABLE_COLUMNS: + return parser.MakeInformationSchemaColumnsNode(qSchemaTable) + } + + // information_schema.* other system tables -> return as is + return node + } + + schemaTable := qSchemaTable.ToIcebergSchemaTable() + if !remapper.IcebergPersistentSchemaTables.Contains(schemaTable) { // Reload Iceberg tables if not found + remapper.reloadIcebergTables() + if !remapper.IcebergPersistentSchemaTables.Contains(schemaTable) { + return node // Let it return "Catalog Error: Table with name _ does not exist!" + } + } + + // public.table -> (SELECT * FROM iceberg_scan('s3://bucket/path')) table + // schema.table -> (SELECT * FROM iceberg_scan('s3://bucket/path')) schema_table + icebergPath := remapper.icebergReader.MetadataFileS3Path(schemaTable) // iceberg/schema/table/metadata/v1.metadata.json + icebergS3Path := remapper.icebergReader.S3Client.BucketS3Prefix() + icebergPath // s3://bucket/iceberg/schema/table/metadata/v1.metadata.json + return parser.MakeIcebergTableNode(QueryToIcebergTable{ + QuerySchemaTable: qSchemaTable, + IcebergTablePath: icebergS3Path, + }) +} + +// FROM FUNCTION() +func (remapper *QueryRemapperTable) RemapTableFunctionCall(rangeFunction *pgQuery.RangeFunction) { + schemaFunction := remapper.parserTable.TopLevelSchemaFunction(rangeFunction) + if schemaFunction != nil { + // SELECT value FROM jsonb_array_elements(...) value -> SELECT value FROM unnest(json_extract(..., '$[*]')) unnest(value) + if (schemaFunction.Schema == PG_SCHEMA_PG_CATALOG || schemaFunction.Schema == "") && + (schemaFunction.Function == PG_FUNCTION_JSON_ARRAY_ELEMENTS || schemaFunction.Function == PG_FUNCTION_JSONB_ARRAY_ELEMENTS) { + alias := remapper.parserTable.Alias(rangeFunction) + if alias == "" { + remapper.parserTable.SetAlias(rangeFunction, "unnest", "value") + } else { + remapper.parserTable.SetAlias(rangeFunction, "unnest", alias) + } + } + + remapper.parserTable.SetAliasIfNotExists(rangeFunction, schemaFunction.Function) + } + + for _, functionCall := range remapper.parserTable.TableFunctionCalls(rangeFunction) { + remapper.remapperFunction.RemapFunctionCall(functionCall) + remapper.remapperFunction.RemapNestedFunctionCalls(functionCall) // recursion + } +} + +func (remapper *QueryRemapperTable) Reset() { + remapper.IcebergPersistentSchemaTables = NewSet[IcebergSchemaTable]() + + remapper.reloadIcebergTables() +} + +func (remapper *QueryRemapperTable) reloadIcebergTables() { + if !remapper.config.AuditEnabled { + return + } + remapper.reloadIcebergPersistentTables() +} + +func (remapper *QueryRemapperTable) reloadIcebergPersistentTables() { + newIcebergSchemaTables, err := remapper.icebergReader.SchemaTables() + PanicIfError(remapper.config, err) + + previousIcebergSchemaTables := remapper.IcebergPersistentSchemaTables + remapper.IcebergPersistentSchemaTables = newIcebergSchemaTables + + ctx := context.Background() + // CREATE TABLE + for _, icebergSchemaTable := range newIcebergSchemaTables.Values() { + if !previousIcebergSchemaTables.Contains(icebergSchemaTable) { + catalogTableColumns, err := remapper.icebergReader.TableColumns(icebergSchemaTable) + PanicIfError(remapper.config, err) + + var sqlColumns []string + for _, catalogTableColumn := range catalogTableColumns { + sqlColumns = append(sqlColumns, catalogTableColumn.ToSql()) + } + + // Create schema and table + _, err = remapper.ServerDuckdbClient.ExecContext(ctx, "CREATE SCHEMA IF NOT EXISTS "+icebergSchemaTable.Schema) + PanicIfError(remapper.config, err) + _, err = remapper.ServerDuckdbClient.ExecContext(ctx, "CREATE TABLE "+icebergSchemaTable.String()+" ("+strings.Join(sqlColumns, ", ")+")") + PanicIfError(remapper.config, err) + } + } + // DROP TABLE + for _, icebergSchemaTable := range previousIcebergSchemaTables.Values() { + if !newIcebergSchemaTables.Contains(icebergSchemaTable) { + _, err = remapper.ServerDuckdbClient.ExecContext(ctx, "DROP TABLE "+icebergSchemaTable.String()) + PanicIfError(remapper.config, err) + } + } +} + +func (remapper *QueryRemapperTable) upsertPgStatUserTables() { + icebergSchemaTables := remapper.IcebergPersistentSchemaTables.Values() + sqls := []string{"DELETE FROM pg_stat_user_tables"} + if len(icebergSchemaTables) > 0 { + values := make([]string, len(icebergSchemaTables)) + for i, icebergSchemaTable := range icebergSchemaTables { + values[i] = "('123456', '" + icebergSchemaTable.Schema + "', '" + icebergSchemaTable.Table + "', 0, NULL, 0, 0, NULL, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, NULL, NULL, NULL, NULL, 0, 0, 0, 0)" + } + sqls = append(sqls, "INSERT INTO pg_stat_user_tables VALUES "+strings.Join(values, ", ")) + } + err := remapper.ServerDuckdbClient.ExecTransactionContext(context.Background(), sqls) + PanicIfError(remapper.config, err) +} + +// System pg_* tables +func (remapper *QueryRemapperTable) isTableFromPgCatalog(qSchemaTable QuerySchemaTable) bool { + return qSchemaTable.Schema == PG_SCHEMA_PG_CATALOG || + (qSchemaTable.Schema == "" && + (PG_SYSTEM_TABLES.Contains(qSchemaTable.Table) || PG_SYSTEM_VIEWS.Contains(qSchemaTable.Table)) && + !remapper.IcebergPersistentSchemaTables.Contains(qSchemaTable.ToIcebergSchemaTable())) +} + +func extractTableNames(tables []string) Set[string] { + names := make(Set[string]) + re := regexp.MustCompile(`CREATE (TABLE|VIEW) (\w+)`) + + for _, table := range tables { + matches := re.FindStringSubmatch(table) + if len(matches) > 1 { + names.Add(matches[2]) + } + } + + return names +} + +func CreatePgCatalogTableQueries(config *Config) []string { + result := []string{ + // Static empty tables + "CREATE TABLE pg_constraint(oid oid, conname text, connamespace oid, contype char, condeferrable bool, condeferred bool, convalidated bool, conrelid oid, contypid oid, conindid oid, conparentid oid, confrelid oid, confupdtype char, confdeltype char, confmatchtype char, conislocal bool, coninhcount int4, connoinherit bool, conkey int2[], confkey int2[], conpfeqop oid[], conppeqop oid[], conffeqop oid[], confdelsetcols int2[], conexclop oid[], conbin text)", + "CREATE TABLE pg_inherits(inhrelid oid, inhparent oid, inhseqno int4, inhdetachpending bool)", + "CREATE TABLE pg_shdescription(objoid oid, classoid oid, description text)", + "CREATE TABLE pg_statio_user_tables(relid oid, schemaname text, relname text, heap_blks_read int8, heap_blks_hit int8, idx_blks_read int8, idx_blks_hit int8, toast_blks_read int8, toast_blks_hit int8, tidx_blks_read int8, tidx_blks_hit int8)", + "CREATE TABLE pg_replication_slots(slot_name text, plugin text, slot_type text, datoid oid, database text, temporary bool, active bool, active_pid int4, xmin int8, catalog_xmin int8, restart_lsn text, confirmed_flush_lsn text, wal_status text, safe_wal_size int8, two_phase bool, conflicting bool)", + "CREATE TABLE pg_stat_gssapi(pid int4, gss_authenticated bool, principal text, encrypted bool, credentials_delegated bool)", + "CREATE TABLE pg_auth_members(oid text, roleid oid, member oid, grantor oid, admin_option bool, inherit_option bool, set_option bool)", + "CREATE TABLE pg_stat_activity(datid oid, datname text, pid int4, usesysid oid, usename text, application_name text, client_addr inet, client_hostname text, client_port int4, backend_start timestamp, xact_start timestamp, query_start timestamp, state_change timestamp, wait_event_type text, wait_event text, state text, backend_xid int8, backend_xmin int8, query text, backend_type text)", + "CREATE TABLE pg_views(schemaname text, viewname text, viewowner text, definition text)", + "CREATE TABLE pg_matviews(schemaname text, matviewname text, matviewowner text, tablespace text, hasindexes bool, ispopulated bool, definition text)", + "CREATE TABLE pg_opclass(oid oid, opcmethod oid, opcname text, opcnamespace oid, opcowner oid, opcfamily oid, opcintype oid, opcdefault bool, opckeytype oid)", + "CREATE TABLE pg_policy(oid oid, polname text, polrelid oid, polcmd text, polpermissive bool, polroles oid, polqual text, polwithcheck text)", + "CREATE TABLE pg_statistic_ext(oid oid, stxrelid oid, stxname text, stxnamespace oid, stxowner oid, stxstattarget int4, stxkeys oid, stxkind text, stxexprs text)", + "CREATE TABLE pg_publication(oid oid, pubname text, pubowner oid, puballtables bool, pubinsert bool, pubupdate bool, pubdelete bool, pubtruncate bool, pubviaroot bool)", + "CREATE TABLE pg_publication_rel(oid oid, prpubid oid, prrelid oid, prqual text, prattrs text)", + "CREATE TABLE pg_publication_namespace(oid oid, pnpubid oid, pnnspid oid)", + "CREATE TABLE pg_rewrite(oid oid, rulename text, ev_class oid, ev_type char, ev_enabled char, is_instead bool, ev_qual text, ev_action text)", + + // Dynamic tables + // DuckDB doesn't handle dynamic view replacement properly + "CREATE TABLE pg_stat_user_tables(relid oid, schemaname text, relname text, seq_scan int8, last_seq_scan timestamp, seq_tup_read int8, idx_scan int8, last_idx_scan timestamp, idx_tup_fetch int8, n_tup_ins int8, n_tup_upd int8, n_tup_del int8, n_tup_hot_upd int8, n_tup_newpage_upd int8, n_live_tup int8, n_dead_tup int8, n_mod_since_analyze int8, n_ins_since_vacuum int8, last_vacuum timestamp, last_autovacuum timestamp, last_analyze timestamp, last_autoanalyze timestamp, vacuum_count int8, autovacuum_count int8, analyze_count int8, autoanalyze_count int8)", + + // Static views + passwordCatalogQuery(config), + "CREATE VIEW pg_roles AS SELECT '10'::oid AS oid, '" + config.User + "' AS rolname, TRUE AS rolsuper, TRUE AS rolinherit, TRUE AS rolcreaterole, TRUE AS rolcreatedb, TRUE AS rolcanlogin, FALSE AS rolreplication, -1 AS rolconnlimit, NULL::text AS rolpassword, NULL::timestamp AS rolvaliduntil, FALSE AS rolbypassrls, NULL::text[] AS rolconfig", + "CREATE VIEW pg_extension AS SELECT '13823'::oid AS oid, 'plpgsql' AS extname, '10'::oid AS extowner, '11'::oid AS extnamespace, FALSE AS extrelocatable, '1.0'::text AS extversion, NULL::text[] AS extconfig, NULL::text[] AS extcondition", + "CREATE VIEW pg_database AS SELECT '16388'::oid AS oid, '" + config.Database + "' AS datname, '10'::oid AS datdba, '6'::int4 AS encoding, 'c' AS datlocprovider, FALSE AS datistemplate, TRUE AS datallowconn, '-1'::int4 AS datconnlimit, '722'::int8 AS datfrozenxid, '1'::int4 AS datminmxid, '1663'::oid AS dattablespace, 'en_US.UTF-8' AS datcollate, 'en_US.UTF-8' AS datctype, 'en_US.UTF-8' AS datlocale, NULL::text AS daticurules, NULL::text AS datcollversion, NULL::text[] AS datacl", + "CREATE VIEW pg_user AS SELECT '" + config.User + "' AS usename, '10'::oid AS usesysid, TRUE AS usecreatedb, TRUE AS usesuper, TRUE AS userepl, TRUE AS usebypassrls, '' AS passwd, NULL::timestamp AS valuntil, NULL::text[] AS useconfig", + "CREATE VIEW pg_collation AS SELECT '100'::oid AS oid, 'default' AS collname, '11'::oid AS collnamespace, '10'::oid AS collowner, 'd' AS collprovider, TRUE AS collisdeterministic, '-1'::int4 AS collencoding, NULL::text AS collcollate, NULL::text AS collctype, NULL::text AS colliculocale, NULL::text AS collicurules, NULL::text AS collversion", + "CREATE VIEW user AS SELECT '" + config.User + "' AS user", + + // Dynamic views + // DuckDB does not support indnullsnotdistinct column + "CREATE VIEW pg_index AS SELECT *, FALSE AS indnullsnotdistinct FROM pg_catalog.pg_index", + // Hide DuckDB's system and duplicate schemas + "CREATE VIEW pg_namespace AS SELECT * FROM pg_catalog.pg_namespace WHERE oid >= (SELECT oid FROM pg_catalog.pg_namespace WHERE nspname = '" + PG_SCHEMA_PUBLIC + "')", + // DuckDB does not support relhassubclass and relforcerowsecurity columns + `CREATE VIEW pg_class AS SELECT + oid, + relname, + relnamespace, + reltype, + reloftype, + relowner, + relam, + relfilenode, + reltablespace, + relpages, + reltuples, + relallvisible, + reltoastrelid, + relhasindex, + relisshared, + relpersistence, + CASE relkind + WHEN 'v' THEN + CASE relnamespace >= (SELECT oid FROM pg_catalog.pg_namespace WHERE nspname = '` + PG_SCHEMA_PUBLIC + `') + WHEN TRUE THEN + 'm' + ELSE + 'v' + END + ELSE + relkind + END AS relkind, + FALSE AS relhassubclass, + FALSE AS relforcerowsecurity + FROM pg_catalog.pg_class`, + // DuckDB's pg_attribute.atttypid values use DuckDB-internal type IDs. Translate + // user-visible columns to PostgreSQL OIDs so clients can join them to pg_type. + `CREATE VIEW ` + PG_TABLE_PG_ATTRIBUTE + ` AS SELECT + a.* REPLACE ( + CASE columns.data_type + WHEN 'BOOLEAN' THEN 16 + WHEN 'BOOLEAN[]' THEN 1000 + WHEN 'BLOB' THEN 17 + WHEN 'BLOB[]' THEN 1001 + WHEN 'SMALLINT' THEN 21 + WHEN 'SMALLINT[]' THEN 1005 + WHEN 'INTEGER' THEN 23 + WHEN 'INTEGER[]' THEN 1007 + WHEN 'BIGINT' THEN 20 + WHEN 'BIGINT[]' THEN 1016 + WHEN 'UINTEGER' THEN 28 + WHEN 'UINTEGER[]' THEN 1011 + WHEN 'UBIGINT' THEN 5069 + WHEN 'UBIGINT[]' THEN 271 + WHEN 'HUGEINT' THEN 1700 + WHEN 'HUGEINT[]' THEN 1231 + WHEN 'FLOAT' THEN 700 + WHEN 'FLOAT[]' THEN 1021 + WHEN 'DOUBLE' THEN 701 + WHEN 'DOUBLE[]' THEN 1022 + WHEN 'VARCHAR' THEN 25 + WHEN 'VARCHAR[]' THEN 1009 + WHEN 'TIME' THEN 1083 + WHEN 'TIME[]' THEN 1183 + WHEN 'DATE' THEN 1082 + WHEN 'DATE[]' THEN 1182 + WHEN 'TIMESTAMP' THEN 1114 + WHEN 'TIMESTAMP[]' THEN 1115 + WHEN 'TIMESTAMP WITH TIME ZONE' THEN 1184 + WHEN 'TIMESTAMP WITH TIME ZONE[]' THEN 1185 + WHEN 'UUID' THEN 2950 + WHEN 'UUID[]' THEN 2951 + WHEN 'INTERVAL' THEN 1186 + WHEN 'INTERVAL[]' THEN 1187 + WHEN 'JSON' THEN 114 + WHEN 'JSON[]' THEN 199 + ELSE CASE + WHEN starts_with(columns.data_type, 'DECIMAL') AND ends_with(columns.data_type, '[]') THEN 1231 + WHEN starts_with(columns.data_type, 'DECIMAL') THEN 1700 + ELSE a.atttypid + END + END AS atttypid + ) + FROM pg_catalog.pg_attribute a + LEFT JOIN pg_catalog.pg_class class ON class.oid = a.attrelid + LEFT JOIN pg_catalog.pg_namespace namespace ON namespace.oid = class.relnamespace + LEFT JOIN information_schema.columns columns + ON columns.table_schema = namespace.nspname + AND columns.table_name = class.relname + AND columns.column_name = a.attname`, + `CREATE VIEW pg_type AS + SELECT * FROM pg_catalog.pg_type + UNION ALL + SELECT 18, 'char', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 1, true, 'b', 'Z', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 19, 'name', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 64, false, 'b', 'S', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 22, 'int2vector', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 24, 'regproc', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 25, 'text', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'S', true, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 26, 'oid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', true, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 27, 'tid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 6, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 28, 'xid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 29, 'cid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 30, 'oidvector', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 32, 'pg_ddl_command', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 8, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 71, 'pg_type', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'c', 'C', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 75, 'pg_attribute', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'c', 'C', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 81, 'pg_proc', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'c', 'C', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 83, 'pg_class', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'c', 'C', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 114, 'json', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 142, 'xml', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 143, '_xml', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 194, 'pg_node_tree', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'Z', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 199, '_json', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 210, '_pg_type', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 269, 'table_am_handler', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 270, '_pg_attribute', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 271, '_xid8', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 272, '_pg_proc', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 273, '_pg_class', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 325, 'index_am_handler', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 600, 'point', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 16, false, 'b', 'G', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 601, 'lseg', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 32, false, 'b', 'G', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 602, 'path', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'G', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 603, 'box', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 32, false, 'b', 'G', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 604, 'polygon', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'G', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 628, 'line', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 24, false, 'b', 'G', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 629, '_line', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 650, 'cidr', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'I', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 651, '_cidr', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 705, 'unknown', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -2, false, 'p', 'X', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 718, 'circle', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 24, false, 'b', 'G', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 719, '_circle', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 774, 'macaddr8', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 8, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 775, '_macaddr8', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 790, 'money', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 8, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 791, '_money', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 829, 'macaddr', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 6, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 869, 'inet', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'I', true, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1000, '_bool', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1001, '_bytea', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1002, '_char', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1003, '_name', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1005, '_int2', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1006, '_int2vector', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1007, '_int4', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1008, '_regproc', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1009, '_text', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1010, '_tid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1011, '_xid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1012, '_cid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1013, '_oidvector', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1014, '_bpchar', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1015, '_varchar', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1016, '_int8', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1017, '_point', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1018, '_lseg', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1019, '_path', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1020, '_box', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1021, '_float4', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1022, '_float8', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1027, '_polygon', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1028, '_oid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1033, 'aclitem', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 16, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1034, '_aclitem', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1040, '_macaddr', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1041, '_inet', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1042, 'bpchar', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'S', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1115, '_timestamp', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1182, '_date', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1183, '_time', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1185, '_timestamptz', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1187, '_interval', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1231, '_numeric', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1248, 'pg_database', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'c', 'C', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1263, '_cstring', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1270, '_timetz', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1561, '_bit', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1562, 'varbit', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'V', true, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1563, '_varbit', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 1790, 'refcursor', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2201, '_refcursor', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2202, 'regprocedure', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2203, 'regoper', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2204, 'regoperator', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2205, 'regclass', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2206, 'regtype', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2207, '_regprocedure', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2208, '_regoper', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2209, '_regoperator', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2210, '_regclass', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2211, '_regtype', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2249, 'record', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2275, 'cstring', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -2, false, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2276, 'any', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2277, 'anyarray', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2278, 'void', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2279, 'trigger', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2280, 'language_handler', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2281, 'internal', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 8, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2283, 'anyelement', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2287, '_record', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2776, 'anynonarray', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2842, 'pg_authid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'c', 'C', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2843, 'pg_auth_members', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'c', 'C', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2949, '_txid_snapshot', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2951, '_uuid', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 2970, 'txid_snapshot', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3115, 'fdw_handler', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3220, 'pg_lsn', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 8, true, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3221, '_pg_lsn', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3310, 'tsm_handler', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3361, 'pg_ndistinct', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'Z', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3402, 'pg_dependencies', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'Z', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3500, 'anyenum', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3614, 'tsvector', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3615, 'tsquery', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3642, 'gtsvector', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3643, '_tsvector', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3644, '_gtsvector', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3645, '_tsquery', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3734, 'regconfig', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3735, '_regconfig', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3769, 'regdictionary', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3770, '_regdictionary', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3802, 'jsonb', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3807, '_jsonb', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3831, 'anyrange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3838, 'event_trigger', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3904, 'int4range', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'r', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3905, '_int4range', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3906, 'numrange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'r', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3907, '_numrange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3908, 'tsrange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'r', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3909, '_tsrange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3910, 'tstzrange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'r', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3911, '_tstzrange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3912, 'daterange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'r', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3913, '_daterange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3926, 'int8range', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'r', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 3927, '_int8range', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4066, 'pg_shseclabel', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'c', 'C', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4072, 'jsonpath', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4073, '_jsonpath', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4089, 'regnamespace', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4090, '_regnamespace', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4096, 'regrole', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4097, '_regrole', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4191, 'regcollation', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'b', 'N', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4192, '_regcollation', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4451, 'int4multirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'm', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4532, 'nummultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'm', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4533, 'tsmultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'm', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4534, 'tstzmultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'm', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4535, 'datemultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'm', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4536, 'int8multirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'm', 'R', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4537, 'anymultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4538, 'anycompatiblemultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4600, 'pg_brin_bloom_summary', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'Z', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 4601, 'pg_brin_minmax_multi_summary', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'Z', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 5017, 'pg_mcv_list', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'Z', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 5038, 'pg_snapshot', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 5039, '_pg_snapshot', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 5069, 'xid8', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 8, true, 'b', 'U', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 5077, 'anycompatible', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 5078, 'anycompatiblearray', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 5079, 'anycompatiblenonarray', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, 4, true, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 5080, 'anycompatiblerange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'p', 'P', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 6101, 'pg_subscription', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'c', 'C', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 6150, '_int4multirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 6151, '_nummultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 6152, '_tsmultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 6153, '_tstzmultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 6155, '_datemultirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + UNION ALL + SELECT 6157, '_int8multirange', (SELECT typnamespace FROM pg_catalog.pg_type WHERE typname = 'bool'), 0, -1, false, 'b', 'A', false, true, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 'd', 'p', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL + `, + } + PG_CATALOG_TABLE_NAMES = extractTableNames(result) + return result +} + +func CreateInformationSchemaTableQueries(config *Config) []string { + result := []string{ + // Dynamic views + // DuckDB does not support udt_catalog, udt_schema, udt_name + `CREATE VIEW ` + PG_TABLE_COLUMNS + ` AS + SELECT + table_catalog, table_schema, table_name, column_name, ordinal_position, column_default, is_nullable, data_type, character_maximum_length, character_octet_length, numeric_precision, numeric_precision_radix, numeric_scale, datetime_precision, interval_type, interval_precision, character_set_catalog, character_set_schema, character_set_name, collation_catalog, collation_schema, collation_name, domain_catalog, domain_schema, domain_name, + '` + config.Database + `' AS udt_catalog, + 'pg_catalog' AS udt_schema, + CASE data_type + WHEN 'BIGINT' THEN 'int8' + WHEN 'BIGINT[]' THEN '_int8' + WHEN 'BLOB' THEN 'bytea' + WHEN 'BLOB[]' THEN '_bytea' + WHEN 'BOOLEAN' THEN 'bool' + WHEN 'BOOLEAN[]' THEN '_bool' + WHEN 'DATE' THEN 'date' + WHEN 'DATE[]' THEN '_date' + WHEN 'FLOAT' THEN 'float4' + WHEN 'FLOAT[]' THEN '_float4' + WHEN 'DOUBLE' THEN 'float8' + WHEN 'DOUBLE[]' THEN '_float8' + WHEN 'DECIMAL' THEN 'numeric' + WHEN 'DECIMAL[]' THEN '_numeric' + WHEN 'INTEGER' THEN 'int4' + WHEN 'INTEGER[]' THEN '_int4' + WHEN 'VARCHAR' THEN 'text' + WHEN 'VARCHAR[]' THEN '_text' + WHEN 'TIME' THEN 'time' + WHEN 'TIME[]' THEN '_time' + WHEN 'TIMESTAMP' THEN 'timestamp' + WHEN 'TIMESTAMP[]' THEN '_timestamp' + WHEN 'TIMESTAMP WITH TIME ZONE' THEN 'timestamptz' + WHEN 'TIMESTAMP WITH TIME ZONE[]' THEN '_timestamptz' + WHEN 'UUID' THEN 'uuid' + WHEN 'UUID[]' THEN '_uuid' + WHEN 'JSON' THEN 'json' + WHEN 'JSON[]' THEN '_json' + ELSE + CASE + WHEN starts_with(data_type, 'DECIMAL') THEN 'numeric' + ELSE 'unknown' + END + END AS udt_name, + scope_catalog, scope_schema, scope_name, maximum_cardinality, dtd_identifier, is_self_referencing, is_identity, identity_generation, identity_start, identity_increment, identity_maximum, identity_minimum, identity_cycle, is_generated, generation_expression, is_updatable + FROM information_schema.columns`, + `CREATE VIEW ` + PG_TABLE_TABLES + ` AS SELECT + table_catalog, + table_schema, + table_name, + table_type, + self_referencing_column_name, + reference_generation, + user_defined_type_catalog, + user_defined_type_schema, + user_defined_type_name, + is_insertable_into, + is_typed, + commit_action + FROM information_schema.tables + WHERE table_type != 'VIEW' AND table_schema != 'main'`, + } + return result +} diff --git a/server/query_schema_table.go b/server/query_schema_table.go new file mode 100644 index 0000000..46dcbc4 --- /dev/null +++ b/server/query_schema_table.go @@ -0,0 +1,54 @@ +package main + +import ( + "strings" +) + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +type QuerySchemaTable struct { + Schema string + Table string + Alias string +} + +func NewQuerySchemaTableFromString(schemaTable string) QuerySchemaTable { + parts := strings.Split(schemaTable, ".") + + qSchemaTable := QuerySchemaTable{ + Table: parts[len(parts)-1], + } + if len(parts) > 1 { + qSchemaTable.Schema = parts[0] + } + + if !StringContainsUpper(qSchemaTable.Schema) { + qSchemaTable.Schema = strings.ReplaceAll(qSchemaTable.Schema, `"`, "") + } + if !StringContainsUpper(qSchemaTable.Table) { + qSchemaTable.Table = strings.ReplaceAll(qSchemaTable.Table, `"`, "") + } + + return qSchemaTable +} + +func (qSchemaTable QuerySchemaTable) ToIcebergSchemaTable() IcebergSchemaTable { + if qSchemaTable.Schema == "" { + return IcebergSchemaTable{ + Schema: PG_SCHEMA_PUBLIC, + Table: qSchemaTable.Table, + } + } + + return IcebergSchemaTable{ + Schema: qSchemaTable.Schema, + Table: qSchemaTable.Table, + } +} + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +type QuerySchemaFunction struct { + Schema string + Function string +} diff --git a/server/response_handler.go b/server/response_handler.go new file mode 100644 index 0000000..375a55d --- /dev/null +++ b/server/response_handler.go @@ -0,0 +1,403 @@ +package main + +import ( + "bytes" + "database/sql" + "encoding/csv" + "encoding/json" + "fmt" + "strconv" + "strings" + + "github.com/duckdb/duckdb-go/v2" + "github.com/jackc/pgx/v5/pgtype" +) + +type ResponseHandler struct { + Config *Config +} + +func NewResponseHandler(config *Config) *ResponseHandler { + return &ResponseHandler{ + Config: config, + } +} + +// https://pkg.go.dev/github.com/jackc/pgx/v5/pgtype#pkg-constants +func (responseHandler *ResponseHandler) ColumnDescriptionTypeOid(col *sql.ColumnType) uint32 { + databaseTypeName := col.DatabaseTypeName() + switch databaseTypeName { + case "BOOLEAN": + return pgtype.BoolOID + case "BOOLEAN[]": + return pgtype.BoolArrayOID + case "SMALLINT": + return pgtype.Int2OID + case "SMALLINT[]": + return pgtype.Int2ArrayOID + case "INTEGER": + return pgtype.Int4OID + case "INTEGER[]": + return pgtype.Int4ArrayOID + case "UINTEGER": + return pgtype.XIDOID + case "UINTEGER[]": + return pgtype.XIDArrayOID + case "BIGINT": + if responseHandler.isSystemTableOidColumn(col.Name()) { + return pgtype.OIDOID + } + return pgtype.Int8OID + case "BIGINT[]": + return pgtype.Int8ArrayOID + case "UBIGINT": + return pgtype.XID8OID + case "UBIGINT[]": + return pgtype.XID8ArrayOID + case "HUGEINT": + return pgtype.NumericOID + case "HUGEINT[]": + return pgtype.NumericArrayOID + case "FLOAT": + return pgtype.Float4OID + case "FLOAT[]": + return pgtype.Float4ArrayOID + case "DOUBLE": + return pgtype.Float8OID + case "DOUBLE[]": + return pgtype.Float8ArrayOID + case "VARCHAR": + return pgtype.TextOID + case "VARCHAR[]": + return pgtype.TextArrayOID + case "TIME": + return pgtype.TimeOID + case "TIME[]": + return pgtype.TimeArrayOID + case "DATE": + return pgtype.DateOID + case "DATE[]": + return pgtype.DateArrayOID + case "TIMESTAMP": + return pgtype.TimestampOID + case "TIMESTAMP[]": + return pgtype.TimestampArrayOID + case "TIMESTAMPTZ": + return pgtype.TimestamptzOID + case "TIMESTAMPTZ[]": + return pgtype.TimestamptzArrayOID + case "UUID": + return pgtype.UUIDOID + case "UUID[]": + return pgtype.UUIDArrayOID + case "INTERVAL": + return pgtype.IntervalOID + case "INTERVAL[]": + return pgtype.IntervalArrayOID + case "BLOB": + return pgtype.ByteaOID + case "JSON": + return pgtype.JSONOID + } + + // Lance embedding columns use DuckDB fixed-size array types such as + // FLOAT[1536], which PostgreSQL clients should see as float4[]. + if strings.HasPrefix(databaseTypeName, "FLOAT[") && strings.HasSuffix(databaseTypeName, "]") { + return pgtype.Float4ArrayOID + } + + if strings.HasPrefix(databaseTypeName, "DECIMAL") { + if strings.HasSuffix(databaseTypeName, "[]") { + return pgtype.NumericArrayOID + } else { + return pgtype.NumericOID + } + } + + Panic(responseHandler.Config, "Unsupported serialized column type: "+databaseTypeName) + return 0 +} + +func (responseHandler *ResponseHandler) RowValuePointer(col *sql.ColumnType) interface{} { + if col.DatabaseTypeName() == "UINTEGER" || col.DatabaseTypeName() == "UBIGINT" { + return new(NullUint64) + } + switch col.ScanType().String() { + case "int16": + return new(sql.NullInt16) + case "int32": // ints, xid + return new(sql.NullInt32) + case "int64", "*big.Int": + return new(sql.NullInt64) + case "float64", "float32": + return new(sql.NullFloat64) + case "string": + // return a *sql.NullString so Scan writes into the right type + return new(sql.NullString) + case "[]uint8": // uuid, bytea + return new(sql.NullString) + case "bool": + return new(sql.NullBool) + case "time.Time": + return new(sql.NullTime) + case "duckdb.Decimal": // xid8 + return new(NullDecimal) + case "duckdb.Interval": + return new(NullInterval) + case "interface {}": // json, jsonb + return new(NullJson) + case "[]interface {}": + return new(NullArray) + } + + Panic(responseHandler.Config, "Unsupported data row type: "+col.ScanType().String()) + return nil +} + +func (responseHandler *ResponseHandler) RowValueBytes(valuePtr interface{}, col *sql.ColumnType) []byte { + switch value := valuePtr.(type) { + case *sql.NullInt16: + if value.Valid { + return []byte(IntToString(int(value.Int16))) + } else { + return nil + } + case *sql.NullInt32: + if value.Valid { + return []byte(IntToString(int(value.Int32))) + } else { + return nil + } + case *sql.NullInt64: + if value.Valid { + return []byte(IntToString(int(value.Int64))) + } else { + return nil + } + case *NullUint64: + if value.Valid { + return []byte(strconv.FormatUint(value.Uint64, 10)) + } else { + return nil + } + case *sql.NullFloat64: + if value.Valid { + return []byte(fmt.Sprintf("%v", value.Float64)) + } else { + return nil + } + case *sql.NullString: + if value.Valid { + return []byte(value.String) + } else { + return nil + } + case *sql.NullBool: + if value.Valid { + return []byte(fmt.Sprintf("%v", value.Bool)[0:1]) + } else { + return nil + } + case *sql.NullTime: + if value.Valid { + switch col.DatabaseTypeName() { + case "DATE": + return []byte(value.Time.Format("2006-01-02")) + case "TIME": + return []byte(value.Time.Format("15:04:05.999999")) + case "TIMESTAMP": + return []byte(value.Time.Format("2006-01-02 15:04:05.999999")) + case "TIMESTAMPTZ": + return []byte(value.Time.Format("2006-01-02 15:04:05.999999-07:00")) + default: + Panic(responseHandler.Config, "Unsupported scanned time type: "+col.DatabaseTypeName()) + } + } else { + return nil + } + case *NullDecimal: + if value.Present { + return []byte(value.String()) + } else { + return nil + } + case *NullInterval: + if value.Present { + return []byte(value.String()) + } else { + return nil + } + case *NullJson: + if value.Present { + return []byte(value.String()) + } else { + return nil + } + case *NullArray: + if value.Present { + return []byte(value.String()) + } else { + return nil + } + case *string: + return []byte(*value) + } + + Panic(responseHandler.Config, "Unsupported scanned row type: "+col.ScanType().Name()) + return nil +} + +func (responseHandler *ResponseHandler) isSystemTableOidColumn(colName string) bool { + oidColumns := map[string]bool{ + "oid": true, + "tableoid": true, + "relnamespace": true, + "relowner": true, + "relfilenode": true, + "did": true, + "objoid": true, + "classoid": true, + } + + return oidColumns[colName] +} + +//////////////////////////////////////////////////////////////////////////////////////////////////// + +type NullDecimal struct { + Present bool + Value duckdb.Decimal +} + +func (nullDecimal *NullDecimal) Scan(value interface{}) error { + if value == nil { + nullDecimal.Present = false + return nil + } + + nullDecimal.Present = true + nullDecimal.Value = value.(duckdb.Decimal) + return nil +} + +func (nullDecimal NullDecimal) String() string { + if nullDecimal.Present { + return fmt.Sprintf("%v", nullDecimal.Value.Float64()) + } + return "" +} + +//////////////////////////////////////////////////////////////////////////////////////////////////// + +type NullInterval struct { + Present bool + Value duckdb.Interval +} + +func (nullInterval *NullInterval) Scan(value interface{}) error { + if value == nil { + nullInterval.Present = false + return nil + } + + nullInterval.Present = true + nullInterval.Value = value.(duckdb.Interval) + return nil +} + +func (nullInterval NullInterval) String() string { + if nullInterval.Present { + return fmt.Sprintf("%d months %d days %d microseconds", nullInterval.Value.Months, nullInterval.Value.Days, nullInterval.Value.Micros) + } + return "" +} + +//////////////////////////////////////////////////////////////////////////////////////////////////// + +type NullJson struct { + Present bool + Value interface{} +} + +func (nullJson *NullJson) Scan(value interface{}) error { + if value == nil { + nullJson.Present = false + return nil + } + nullJson.Present = true + nullJson.Value = value + return nil +} + +func (nullJson NullJson) String() string { + if nullJson.Present { + // Serialize the JSON value to a string with marshaling + jsonBytes, err := json.Marshal(nullJson.Value) + if err != nil { + return "" + } + return string(jsonBytes) + } + + return "" +} + +//////////////////////////////////////////////////////////////////////////////////////////////////// + +type NullArray struct { + Present bool + Value []interface{} +} + +type NullUint64 struct { + Uint64 uint64 + Valid bool +} + +func (value *NullUint64) Scan(source interface{}) error { + if source == nil { + value.Valid = false + return nil + } + parsed, err := strconv.ParseUint(fmt.Sprint(source), 10, 64) + if err != nil { + return err + } + value.Uint64 = parsed + value.Valid = true + return nil +} + +func (nullArray *NullArray) Scan(value interface{}) error { + if value == nil { + nullArray.Present = false + return nil + } + + nullArray.Present = true + nullArray.Value = value.([]interface{}) + return nil +} + +func (nullArray NullArray) String() string { + if nullArray.Present { + var stringVals []string + for _, v := range nullArray.Value { + switch v.(type) { + case []uint8: + stringVals = append(stringVals, fmt.Sprintf("%s", v)) + default: + stringVals = append(stringVals, fmt.Sprintf("%v", v)) + } + } + buffer := &bytes.Buffer{} + csvWriter := csv.NewWriter(buffer) + err := csvWriter.Write(stringVals) + if err != nil { + return "" + } + csvWriter.Flush() + return "{" + strings.TrimRight(buffer.String(), "\n") + "}" + } + return "" +} diff --git a/server/runtime_integration.go b/server/runtime_integration.go new file mode 100644 index 0000000..8c60cbc --- /dev/null +++ b/server/runtime_integration.go @@ -0,0 +1,15 @@ +package main + +func startupUserAllowed(config *Config, user string) bool { + return config.User == "" || user == config.User +} + +func passwordCatalogQuery(_ *Config) string { + return "CREATE VIEW pg_shadow AS SELECT NULL::text AS usename, NULL::oid AS usesysid, FALSE AS usecreatedb, FALSE AS usesuper, FALSE AS userepl, FALSE AS usebypassrls, NULL::text AS passwd, NULL::timestamp AS valuntil, NULL::text[] AS useconfig WHERE FALSE" +} + +func (server *PostgresServer) authenticateStartup(_ string) error { + return server.authenticatePassword() +} + +func validateRuntimeConfig(_ *Config) {} diff --git a/server/runtime_integration_test.go b/server/runtime_integration_test.go new file mode 100644 index 0000000..5100de7 --- /dev/null +++ b/server/runtime_integration_test.go @@ -0,0 +1,26 @@ +package main + +import ( + "strings" + "testing" +) + +func configureStandaloneTest(t *testing.T) { + t.Setenv("PGSTACK_AUTH_MODE", "proxy") +} + +func TestStandaloneLocalPasswordOptional(t *testing.T) { + configureStandaloneTest(t) + validateRuntimeConfig(&Config{}) + server := &PostgresServer{config: &Config{}} + if err := server.authenticateStartup("reader"); err != nil { + t.Fatal(err) + } +} + +func TestStandaloneCatalogContainsNoPassword(t *testing.T) { + query := passwordCatalogQuery(&Config{User: "reader", EncryptedPassword: "secret-verifier"}) + if strings.Contains(query, "secret-verifier") || !strings.Contains(query, "WHERE FALSE") { + t.Fatal("password catalog must be empty") + } +} diff --git a/server/runtime_manager.go b/server/runtime_manager.go new file mode 100644 index 0000000..4b71b66 --- /dev/null +++ b/server/runtime_manager.go @@ -0,0 +1,162 @@ +package main + +import ( + "fmt" + "os" + "strconv" + "strings" + "sync" + "time" +) + +const ( + DUCKDB_RESTART_INTERVAL = 1 * time.Hour +) + +type ServerRuntime struct { + DuckdbClient *DuckdbClient + QueryHandler *QueryHandler + RequestMu *sync.RWMutex + Expired bool + Closed chan struct{} +} + +type RuntimeManager struct { + mu sync.Mutex + runtime *ServerRuntime + ready chan struct{} + runtimeFactory func(*Config) (*ServerRuntime, error) +} + +func (manager *RuntimeManager) Acquire(config *Config) (*QueryHandler, func(), error) { + for { + manager.mu.Lock() + if manager.ready != nil { + ready := manager.ready + manager.mu.Unlock() + <-ready + continue + } + + if manager.runtime != nil { + runtime := manager.runtime + if runtime.Expired { + closed := runtime.Closed + manager.mu.Unlock() + <-closed + continue + } + runtime.RequestMu.RLock() + manager.mu.Unlock() + return runtime.QueryHandler, runtime.RequestMu.RUnlock, nil + } + + ready := make(chan struct{}) + manager.ready = ready + manager.mu.Unlock() + + runtime, err := manager.createRuntime(config) + + manager.mu.Lock() + if err == nil { + manager.runtime = runtime + } + manager.ready = nil + close(ready) + manager.mu.Unlock() + + if err != nil { + return nil, nil, err + } + go manager.expireRuntimeAfter(config, runtime) + } +} + +func (manager *RuntimeManager) createRuntime(config *Config) (*ServerRuntime, error) { + if manager.runtimeFactory != nil { + return manager.runtimeFactory(config) + } + + duckdbClient, err := NewDuckdbClient(config, duckdbBootQueris(config)) + if err != nil { + return nil, err + } + queryHandler, err := NewQueryHandler(config, duckdbClient) + if err != nil { + duckdbClient.Close() + return nil, err + } + + runtime := &ServerRuntime{ + DuckdbClient: duckdbClient, + QueryHandler: queryHandler, + RequestMu: &sync.RWMutex{}, + Closed: make(chan struct{}), + } + LogInfo(config, "DuckDB: Connected for database", config.Database) + return runtime, nil +} + +func (manager *RuntimeManager) expireRuntimeAfter(config *Config, runtime *ServerRuntime) { + timer := time.NewTimer(DUCKDB_RESTART_INTERVAL) + defer timer.Stop() + <-timer.C + + manager.expireRuntime(config, runtime) +} + +func (manager *RuntimeManager) expireRuntime(config *Config, runtime *ServerRuntime) { + manager.mu.Lock() + if manager.runtime != runtime { + manager.mu.Unlock() + return + } + runtime.Expired = true + manager.mu.Unlock() + + runtime.RequestMu.Lock() + logPodMemoryUsage(config) + if runtime.DuckdbClient != nil { + runtime.DuckdbClient.Close() + } + runtime.RequestMu.Unlock() + + manager.mu.Lock() + if manager.runtime == runtime { + manager.runtime = nil + } + close(runtime.Closed) + manager.mu.Unlock() + + LogInfo(config, "DuckDB: Closed expired database", config.Database) +} + +func logPodMemoryUsage(config *Config) { + memoryUsage := "unavailable" + data, err := os.ReadFile("/sys/fs/cgroup/memory.current") + if err == nil { + bytes, parseErr := strconv.ParseInt(strings.TrimSpace(string(data)), 10, 64) + if parseErr == nil { + memoryUsage = formatBytes(bytes) + } + } + + LogInfo(config, fmt.Sprintf("Pod memory before closing DuckDB: %s", memoryUsage)) +} + +func formatBytes(bytes int64) string { + const unit = 1024 + if bytes < unit { + return fmt.Sprintf("%d B", bytes) + } + + value := float64(bytes) + for _, suffix := range []string{"KB", "MB", "GB", "TB"} { + value /= unit + if value < unit { + return fmt.Sprintf("%.2f %s", value, suffix) + } + } + + return fmt.Sprintf("%.2f PB", value/unit) +} diff --git a/server/s3_client.go b/server/s3_client.go new file mode 100644 index 0000000..e72e935 --- /dev/null +++ b/server/s3_client.go @@ -0,0 +1,87 @@ +package main + +import ( + "context" + "fmt" + "strings" + + "github.com/aws/aws-sdk-go-v2/aws" + awsConfig "github.com/aws/aws-sdk-go-v2/config" + "github.com/aws/aws-sdk-go-v2/credentials" + "github.com/aws/aws-sdk-go-v2/service/s3" +) + +type S3Client struct { + Config *Config + S3 *s3.Client +} + +func NewS3Client(Config *Config) (*S3Client, error) { + var awsConfigOptions = []func(*awsConfig.LoadOptions) error{ + awsConfig.WithRegion(Config.AwsRegion), + } + + if Config.LogLevel == LOG_LEVEL_TRACE { + awsConfigOptions = append(awsConfigOptions, awsConfig.WithClientLogMode(aws.LogRequest)) + } + + awsCredentials := credentials.NewStaticCredentialsProvider( + Config.AwsAccessKeyId, + Config.AwsSecretAccessKey, + "", + ) + awsConfigOptions = append(awsConfigOptions, awsConfig.WithCredentialsProvider(awsCredentials)) + + loadedAwsConfig, err := awsConfig.LoadDefaultConfig(context.Background(), awsConfigOptions...) + if err != nil { + return nil, fmt.Errorf("failed to load AWS configuration: %w", err) + } + + s3Client := s3.NewFromConfig(loadedAwsConfig, func(o *s3.Options) { + if Config.AwsS3Endpoint != DEFAULT_AWS_S3_ENDPOINT { + endpoint := Config.AwsS3Endpoint + if !strings.HasPrefix(endpoint, "http://") && !strings.HasPrefix(endpoint, "https://") { + if IsLocalHost(endpoint) { + endpoint = "http://" + endpoint + } else { + endpoint = "https://" + endpoint + } + } + o.BaseEndpoint = aws.String(endpoint) + o.UsePathStyle = true + } + }) + + return &S3Client{ + Config: Config, + S3: s3Client, + }, nil +} + +func (s3Client *S3Client) BucketS3Prefix() string { + return "s3://" + s3Client.Config.AwsS3Bucket + "/" +} + +// s3://bucket/some/path -> some/path +func (s3Client *S3Client) ObjectKey(objectPath string) string { + return strings.TrimPrefix(objectPath, s3Client.BucketS3Prefix()) +} + +func (s3Client *S3Client) GetObject(fileKey string) *s3.GetObjectOutput { + getObjectOutput, err := s3Client.S3.GetObject(context.Background(), &s3.GetObjectInput{ + Bucket: aws.String(s3Client.Config.AwsS3Bucket), + Key: aws.String(fileKey), + }) + PanicIfError(s3Client.Config, err) + return getObjectOutput +} + +func (s3Client *S3Client) ListObjects(prefix string) *s3.ListObjectsV2Output { + listObjectsOutput, err := s3Client.S3.ListObjectsV2(context.Background(), &s3.ListObjectsV2Input{ + Bucket: aws.String(s3Client.Config.AwsS3Bucket), + Prefix: aws.String(prefix), + }) + PanicIfError(s3Client.Config, err) + + return listObjectsOutput +} diff --git a/server/search_catalog.go b/server/search_catalog.go new file mode 100644 index 0000000..5d9dd59 --- /dev/null +++ b/server/search_catalog.go @@ -0,0 +1,33 @@ +package main + +import ( + "encoding/json" + "fmt" + "strings" +) + +// searchCatalogBootQueries creates empty catalog tables for PostgreSQL schema +// discovery. Query remapping reads the corresponding tables from Lance. +func searchCatalogBootQueries(config *Config) []string { + var tables []serverSearchTable + if err := json.Unmarshal([]byte(config.SearchTablesJSON), &tables); err != nil { + panic(fmt.Sprintf("invalid SEARCH_TABLES_JSON: %v", err)) + } + + queries := []string{"CREATE SCHEMA " + PG_SCHEMA_SEARCH} + for _, table := range tables { + columns := make([]string, 0, len(table.StoreColumns)) + for _, column := range table.StoreColumns { + columns = append(columns, quoteVectorIdentifier(column)+" VARCHAR") + } + + tableName := strings.ReplaceAll(table.Name, ".", "_") + queries = append(queries, fmt.Sprintf( + "CREATE TABLE %s.%s (%s)", + PG_SCHEMA_SEARCH, + quoteVectorIdentifier(tableName), + strings.Join(columns, ", "), + )) + } + return queries +} diff --git a/server/search_query_test.go b/server/search_query_test.go new file mode 100644 index 0000000..761dc81 --- /dev/null +++ b/server/search_query_test.go @@ -0,0 +1,496 @@ +package main + +import ( + "context" + "encoding/json" + "fmt" + "math" + "net/http" + "net/http/httptest" + "strings" + "testing" + + "github.com/jackc/pgx/v5/pgproto3" +) + +// Exercise the full SQL remapper and wire handler with real DuckDB execution. +// Only external embedding generation and the Lance candidate source are stubbed. +func TestSearchRankQueryExecution(t *testing.T) { + handler := initQueryHandlerForTest(t) + handler.Config.SearchTablesJSON = searchTestConfig().SearchTablesJSON + handler.Config.SearchBasePath = "search" + vector := make([]float32, OPENAI_EMBEDDING_DIMENSIONS) + vector[0] = 1 + requests := 0 + embeddingServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + requests++ + var request embeddingRequest + if err := json.NewDecoder(r.Body).Decode(&request); err != nil { + t.Error(err) + } + if len(request.Input) != 1 || request.Input[0] != "rain jacket" { + t.Errorf("unexpected embedding input: %#v", request.Input) + } + _ = json.NewEncoder(w).Encode(map[string]interface{}{"data": []interface{}{map[string]interface{}{"index": 0, "embedding": vector}}}) + })) + t.Cleanup(embeddingServer.Close) + handler.EmbeddingClient.apiKey = "test" + handler.EmbeddingClient.url = embeddingServer.URL + ctx := context.Background() + for _, sql := range []string{ + `ATTACH ':memory:' AS search_store`, + `CREATE TABLE search_store.main.public_documents (id VARCHAR, body VARCHAR, __pgstack_embedding FLOAT[1536], __pgstack_source_key VARCHAR, __pgstack_chunk_index INTEGER)`, + `INSERT INTO search_store.main.public_documents VALUES + ('1','waterproof', array_resize([1.0],1536,0)::FLOAT[1536], '1', 0), + ('1','waterproof', array_resize([0.9,0.1],1536,0)::FLOAT[1536], '1', 1), + ('2','waterproof', array_resize([0.6,0.8],1536,0)::FLOAT[1536], '2', 0), + ('3','excluded', array_resize([1.0],1536,0)::FLOAT[1536], '3', 0)`, + // Deliberately incomplete candidates verify the fallback after filtering/deduplication. + `CREATE MACRO lance_vector_search(dataset, embedding_column, query_vector, k := 10, prefilter := false) AS TABLE SELECT * FROM search_store.main.public_documents WHERE id IN ('1','3')`, + `CREATE MACRO lance_fts(dataset, text_column, query_text, k := 10, prefilter := false) AS TABLE SELECT *, CASE id WHEN '2' THEN 8.0 ELSE 2.0 END AS _score FROM search_store.main.public_documents WHERE query_text = 'rain jacket' AND id IN ('1','2') AND __pgstack_chunk_index = 0 ORDER BY _score DESC LIMIT k`, + } { + if _, err := handler.ServerDuckdbClient.ExecContext(ctx, sql); err != nil { + t.Fatal(err) + } + } + for _, function := range []string{"semantic_rank", "keyword_rank", "hybrid_rank"} { + t.Run(function, func(t *testing.T) { + before := requests + messages, err := handler.HandleSimpleQuery(fmt.Sprintf(`SELECT * FROM search.public_documents AS d WHERE d.body = 'waterproof' ORDER BY %s('rain jacket') LIMIT 2`, function)) + if err != nil { + t.Fatal(err) + } + expectedRequests := 1 + if function == "keyword_rank" { + expectedRequests = 0 + } + if requests != before+expectedRequests { + t.Fatalf("expected one embedding call, got %d", requests-before) + } + assertMessageTypes(t, messages, "*pgproto3.RowDescription", "*pgproto3.DataRow", "*pgproto3.DataRow", "*pgproto3.CommandComplete") + description := messages[0].(*pgproto3.RowDescription) + if len(description.Fields) != 2 || string(description.Fields[0].Name) != "id" || string(description.Fields[1].Name) != "body" { + t.Fatalf("internal columns leaked: %#v", description.Fields) + } + first, second := "1", "2" + if function == "keyword_rank" { + first, second = "2", "1" + } + assertDataRow(t, messages[1], []string{first, "waterproof"}) + assertDataRow(t, messages[2], []string{second, "waterproof"}) + }) + } + for _, input := range []struct { + query string + parameters [][]byte + }{ + {`SELECT id FROM search.public_documents WHERE body = $1 ORDER BY semantic_rank($2) LIMIT 1 OFFSET 1`, [][]byte{[]byte("waterproof"), []byte("rain jacket")}}, + {`SELECT id FROM search.public_documents WHERE body = $1 ORDER BY semantic_rank('rain jacket') LIMIT 1 OFFSET 1`, [][]byte{[]byte("waterproof")}}, + } { + _, prepared, err := handler.HandleParseQuery(&pgproto3.Parse{Query: input.query}) + if err != nil { + t.Fatal(err) + } + _, prepared, err = handler.HandleBindQuery(&pgproto3.Bind{Parameters: input.parameters}, prepared) + if err != nil { + t.Fatal(err) + } + messages, err := handler.HandleExecuteQuery(&pgproto3.Execute{}, prepared) + if err != nil { + t.Fatal(err) + } + assertDataRow(t, messages[0], []string{"2"}) + prepared.Statement.Close() + } + for _, function := range []string{"keyword_rank", "hybrid_rank"} { + for _, argument := range []string{"$2", "'rain jacket'"} { + parameters := [][]byte{[]byte("waterproof")} + if argument == "$2" { + parameters = append(parameters, []byte("rain jacket")) + } + _, prepared, err := handler.HandleParseQuery(&pgproto3.Parse{Query: fmt.Sprintf("SELECT id, %s(%s) AS rank FROM search.public_documents WHERE body = $1 ORDER BY %s(%s) LIMIT 1 OFFSET 1", function, argument, function, argument)}) + if err != nil { + t.Fatal(err) + } + _, prepared, err = handler.HandleBindQuery(&pgproto3.Bind{Parameters: parameters}, prepared) + if err != nil { + t.Fatal(err) + } + messages, err := handler.HandleExecuteQuery(&pgproto3.Execute{}, prepared) + if err != nil { + t.Fatal(err) + } + expected := "1" + if function == "hybrid_rank" { + expected = "2" + } + if string(messages[0].(*pgproto3.DataRow).Values[0]) != expected { + t.Fatalf("unexpected %s results: %#v", function, messages) + } + prepared.Statement.Close() + } + } + before := requests + messages, err := handler.HandleSimpleQuery(`SELECT id FROM search.public_documents ORDER BY keyword_rank('missing')`) + if err != nil { + t.Fatal(err) + } + assertMessageTypes(t, messages, "*pgproto3.RowDescription", "*pgproto3.CommandComplete") + if requests != before { + t.Fatal("keyword search generated embeddings") + } + // The ANN-only branch must still collapse duplicate chunks and expose an explicit rank. + ranked, err := handler.HandleSimpleQuery(`SELECT d.id, semantic_rank('rain jacket') AS rank FROM search.public_documents AS d WHERE d.body = 'waterproof' ORDER BY semantic_rank('rain jacket') LIMIT 1`) + if err != nil { + t.Fatal(err) + } + assertDataRow(t, ranked[1], []string{"1", "0"}) + if string(ranked[0].(*pgproto3.RowDescription).Fields[1].Name) != "rank" { + t.Fatal("rank alias was lost") + } + for _, sql := range []string{ + `SELECT id FROM search.public_documents ORDER BY embedding <=> '[1,2]'`, + `SELECT id FROM search.public_documents ORDER BY embedding <=> pgstack.embed('rain jacket')`, + } { + if _, err := handler.HandleSimpleQuery(sql); err == nil { + t.Fatalf("obsolete API unexpectedly supported: %s", sql) + } + } + messages, err = handler.HandleSimpleQuery(`SELECT * FROM search.public_documents ORDER BY id`) + if err != nil { + t.Fatal(err) + } + if len(messages[0].(*pgproto3.RowDescription).Fields) != 2 { + t.Fatal("table scan exposes internal columns") + } + for _, field := range messages[0].(*pgproto3.RowDescription).Fields { + if strings.HasPrefix(string(field.Name), "__pgstack_") { + t.Fatal("internal field exposed") + } + } +} + +// Verify generated SQL against the real extension when it is locally available. +// A local dataset replaces only the S3 URI; ranking and binding are unchanged. +func TestSearchRankLanceExecution(t *testing.T) { + handler := initQueryHandlerForTest(t) + ctx := context.Background() + if _, err := handler.ServerDuckdbClient.ExecContext(ctx, "LOAD lance"); err != nil { + t.Skipf("Lance extension unavailable: %v", err) + } + handler.Config.SearchTablesJSON = searchTestConfig().SearchTablesJSON + handler.Config.SearchBasePath = "search" + vector := make([]float32, OPENAI_EMBEDDING_DIMENSIONS) + vector[0] = 1 + requests := 0 + embeddingServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + requests++ + _ = json.NewEncoder(w).Encode(map[string]interface{}{"data": []interface{}{map[string]interface{}{"index": 0, "embedding": vector}}}) + })) + t.Cleanup(embeddingServer.Close) + handler.EmbeddingClient.apiKey = "test" + handler.EmbeddingClient.url = embeddingServer.URL + root := t.TempDir() + dataset := root + "/public_documents.lance" + for _, query := range []string{ + fmt.Sprintf("ATTACH '%s' AS search_store (TYPE lance)", strings.ReplaceAll(root, "'", "''")), + `CREATE TABLE search_store.main.public_documents AS + SELECT '1' AS id, 'waterproof' AS body, array_resize([1.0],1536,0)::FLOAT[1536] AS __pgstack_embedding, '1' AS __pgstack_source_key, 0::UINTEGER AS __pgstack_chunk_index, 'rain jacket waterproof' AS __pgstack_text + UNION ALL SELECT '2','waterproof',array_resize([0.6,0.8],1536,0)::FLOAT[1536],'2',0,'rain jacket rain jacket' + UNION ALL SELECT '3','excluded',array_resize([0.9,0.43589],1536,0)::FLOAT[1536],'3',0,'sun hat'`, + fmt.Sprintf("CREATE INDEX text_idx ON '%s' (__pgstack_text) USING INVERTED", strings.ReplaceAll(dataset, "'", "''")), + } { + if _, err := handler.ServerDuckdbClient.ExecContext(ctx, query); err != nil { + t.Fatal(err) + } + } + for _, function := range []string{"semantic_rank", "keyword_rank", "hybrid_rank"} { + for _, argument := range []string{"'rain jacket'", "$1"} { + original := fmt.Sprintf("SELECT id, %s(%s) AS rank FROM search.public_documents WHERE body = 'waterproof' ORDER BY %s(%s) LIMIT 2", function, argument, function, argument) + remapped, err := handler.QueryRemapper.ParseAndRemapQuery(original) + if err != nil { + t.Fatal(err) + } + query := strings.ReplaceAll(remapped.Statements[0], "s3://test/search/public_documents.lance", dataset) + before := requests + var variables []interface{} + if argument == "$1" { + statement, err := handler.ServerDuckdbClient.PrepareContext(ctx, query) + if err != nil { + t.Fatal(err) + } + prepared := &PreparedStatement{OriginalQuery: original, Query: query, Statement: statement, VectorParameters: remapped.VectorParameters} + _, prepared, err = handler.HandleBindQuery(&pgproto3.Bind{Parameters: [][]byte{[]byte("rain jacket")}}, prepared) + if err != nil { + t.Fatal(err) + } + variables = prepared.Variables + statement.Close() + } else { + variables, err = handler.resolveEmbeddedLiteralParameters(ctx, remapped.VectorParameters) + if err != nil { + t.Fatal(err) + } + } + rows, err := handler.ServerDuckdbClient.QueryContext(ctx, query, variables...) + if err != nil { + t.Fatal(err) + } + var ids []string + for rows.Next() { + var id string + var rank float64 + if err := rows.Scan(&id, &rank); err != nil { + t.Fatal(err) + } + if function != "semantic_rank" && rank >= 0 { + t.Fatalf("expected negated relevance score: %s %g", function, rank) + } + ids = append(ids, id) + } + if err := rows.Err(); err != nil { + t.Fatal(err) + } + rows.Close() + if len(ids) != 2 { + t.Fatalf("%s: unexpected results: %v", function, ids) + } + if function == "semantic_rank" && ids[0] != "1" || function == "keyword_rank" && ids[0] != "2" { + t.Fatalf("%s: incorrect ranking: %v", function, ids) + } + expectedRequests := 1 + if function == "keyword_rank" { + expectedRequests = 0 + } + if requests-before != expectedRequests { + t.Fatalf("%s: unexpected embedding requests: %d", function, requests-before) + } + } + } + // A selective filter leaves fewer documents than LIMIT. Keyword search returns + // its direct matches; hybrid search exercises its fallback. + for _, function := range []string{"keyword_rank", "hybrid_rank"} { + original := fmt.Sprintf("SELECT id FROM search.public_documents WHERE id = '2' ORDER BY %s('rain jacket') LIMIT 2", function) + remapped, err := handler.QueryRemapper.ParseAndRemapQuery(original) + if err != nil { + t.Fatal(err) + } + variables, err := handler.resolveEmbeddedLiteralParameters(ctx, remapped.VectorParameters) + if err != nil { + t.Fatal(err) + } + query := strings.ReplaceAll(remapped.Statements[0], "s3://test/search/public_documents.lance", dataset) + rows, err := handler.ServerDuckdbClient.QueryContext(ctx, query, variables...) + if err != nil { + t.Fatal(err) + } + if !rows.Next() { + t.Fatalf("%s fallback lost matching document: %v", function, rows.Err()) + } + var id string + if err := rows.Scan(&id); err != nil || id != "2" { + t.Fatalf("%s fallback returned %s: %v", function, id, err) + } + if rows.Next() { + t.Fatalf("%s fallback leaked nonmatches", function) + } + if err := rows.Err(); err != nil { + t.Fatal(err) + } + rows.Close() + } + + // Exercise native prefiltering, bound filters, and expressions that require + // DuckDB evaluation, rather than only checking generated SQL. + for _, test := range []struct { + filter string + parameters [][]byte + want int + }{ + {"d.id = '2'", nil, 1}, + {"'2' = d.id", nil, 1}, + {"d.id >= '2' AND d.body = 'waterproof'", nil, 1}, + {"d.body IS NOT NULL", nil, 3}, + {"d.id = 2", nil, 1}, + {"CAST(d.id AS INTEGER) = 2", nil, 1}, + {"length(d.body) > 3", nil, 3}, + {"d.id = '1' OR d.id = '2'", nil, 2}, + {"d.id IN ('1', '2')", nil, 2}, + {"d.body LIKE 'water%'", nil, 2}, + {"d.body IS NULL", nil, 0}, + {"d.id = $1", [][]byte{[]byte("2")}, 1}, + } { + for _, function := range []string{"semantic_rank", "keyword_rank", "hybrid_rank"} { + original := fmt.Sprintf("SELECT id FROM search.public_documents AS d WHERE %s ORDER BY %s('rain jacket') LIMIT 3", test.filter, function) + remapped, err := handler.QueryRemapper.ParseAndRemapQuery(original) + if err != nil { + t.Fatal(err) + } + query := strings.ReplaceAll(remapped.Statements[0], "s3://test/search/public_documents.lance", dataset) + var variables []interface{} + if len(test.parameters) > 0 { + statement, err := handler.ServerDuckdbClient.PrepareContext(ctx, query) + if err != nil { + t.Fatal(err) + } + prepared := &PreparedStatement{OriginalQuery: original, Query: query, Statement: statement, VectorParameters: remapped.VectorParameters} + _, prepared, err = handler.HandleBindQuery(&pgproto3.Bind{Parameters: test.parameters}, prepared) + if err != nil { + t.Fatal(err) + } + variables = prepared.Variables + statement.Close() + } else { + variables, err = handler.resolveEmbeddedLiteralParameters(ctx, remapped.VectorParameters) + if err != nil { + t.Fatal(err) + } + } + rows, err := handler.ServerDuckdbClient.QueryContext(ctx, query, variables...) + if err != nil { + t.Fatalf("%s WHERE %s: %v", function, test.filter, err) + } + count := 0 + for rows.Next() { + count++ + } + if err := rows.Err(); err != nil { + t.Fatal(err) + } + rows.Close() + want := test.want + if function == "keyword_rank" && want == 3 { + want = 2 + } + if count != want { + t.Fatalf("%s WHERE %s: expected %d, got %d", function, test.filter, want, count) + } + } + } + + // Populate more excluded top matches than the candidate budget, then query + // the candidate CTE directly so an exhaustive fallback cannot hide failed pushdown. + if _, err := handler.ServerDuckdbClient.ExecContext(ctx, `INSERT INTO search_store.main.public_documents + SELECT 'blocked-' || CAST(i AS VARCHAR), 'excluded', array_resize([1.0],1536,0)::FLOAT[1536], 'blocked-' || CAST(i AS VARCHAR), 0, repeat('rain jacket ', 100) + FROM range(40) AS blocked(i)`); err != nil { + t.Fatal(err) + } + for _, function := range []string{"semantic_rank", "keyword_rank", "hybrid_rank"} { + remapped, err := handler.QueryRemapper.ParseAndRemapQuery(fmt.Sprintf("SELECT id FROM search.public_documents AS d WHERE d.body = $1 ORDER BY %s('rain jacket') LIMIT 2", function)) + if err != nil { + t.Fatal(err) + } + query := strings.ReplaceAll(remapped.Statements[0], "s3://test/search/public_documents.lance", dataset) + query = strings.Replace(query, "FROM __pgstack_search_docs", "FROM __pgstack_candidate_docs", 1) + statement, err := handler.ServerDuckdbClient.PrepareContext(ctx, query) + if err != nil { + t.Fatal(err) + } + prepared := &PreparedStatement{Query: query, Statement: statement, VectorParameters: remapped.VectorParameters} + _, prepared, err = handler.HandleBindQuery(&pgproto3.Bind{Parameters: [][]byte{[]byte("waterproof")}}, prepared) + if err != nil { + t.Fatal(err) + } + rows, err := statement.QueryContext(ctx, prepared.Variables...) + if err != nil { + t.Fatal(err) + } + count := 0 + for rows.Next() { + var id string + if err := rows.Scan(&id); err != nil || (id != "1" && id != "2") { + t.Fatalf("prefilter returned %s: %v", id, err) + } + count++ + } + if err := rows.Err(); err != nil { + t.Fatal(err) + } + rows.Close() + statement.Close() + if count != 2 { + t.Fatalf("%s prefilter lost a top matching document: got %d", function, count) + } + } + // The whole-document keyword match lives on chunk 0, while the strongest + // semantic match is a later chunk. Duplicate semantic chunks must not boost RRF. + for _, query := range []string{ + `DELETE FROM search_store.main.public_documents WHERE id = '1'`, + `INSERT INTO search_store.main.public_documents VALUES ('1','waterproof',array_resize([0.0,1.0],1536,0)::FLOAT[1536],'1',0,'rain jacket rain jacket rain jacket')`, + `UPDATE search_store.main.public_documents SET __pgstack_text = 'rain jacket' WHERE id = '2'`, + `INSERT INTO search_store.main.public_documents VALUES ('1','waterproof',array_resize([1.0],1536,0)::FLOAT[1536],'1',1,NULL), ('1','waterproof',array_resize([1.0],1536,0)::FLOAT[1536],'1',2,NULL)`, + } { + if _, err := handler.ServerDuckdbClient.ExecContext(ctx, query); err != nil { + t.Fatal(err) + } + } + remapped, err := handler.QueryRemapper.ParseAndRemapQuery("SELECT id, hybrid_rank('rain jacket') AS rank FROM search.public_documents WHERE body = 'waterproof' ORDER BY hybrid_rank('rain jacket') LIMIT 2") + if err != nil { + t.Fatal(err) + } + variables, err := handler.resolveEmbeddedLiteralParameters(ctx, remapped.VectorParameters) + if err != nil { + t.Fatal(err) + } + query := strings.ReplaceAll(remapped.Statements[0], "s3://test/search/public_documents.lance", dataset) + rows, err := handler.ServerDuckdbClient.QueryContext(ctx, query, variables...) + if err != nil { + t.Fatal(err) + } + for i, wantID := range []string{"1", "2"} { + if !rows.Next() { + t.Fatalf("missing hybrid document %s: %v", wantID, rows.Err()) + } + var id string + var rank float64 + if err := rows.Scan(&id, &rank); err != nil { + t.Fatal(err) + } + wantRank := -2.0 / float64(HYBRID_RRF_CONSTANT+i+1) + if id != wantID || math.Abs(rank-wantRank) > 1e-9 { + t.Fatalf("incorrect document fusion: id=%s rank=%g, expected %s %g", id, rank, wantID, wantRank) + } + } + if rows.Next() { + t.Fatal("duplicate chunks leaked through fusion") + } + if err := rows.Err(); err != nil { + t.Fatal(err) + } + rows.Close() + + // Only chunk 0 is indexed for FTS. Direct keyword retrieval must still return + // each source document once when it has multiple semantic chunks. + remapped, err = handler.QueryRemapper.ParseAndRemapQuery("SELECT id FROM search.public_documents WHERE body = 'waterproof' ORDER BY keyword_rank('rain jacket') LIMIT 10") + if err != nil { + t.Fatal(err) + } + variables, err = handler.resolveEmbeddedLiteralParameters(ctx, remapped.VectorParameters) + if err != nil { + t.Fatal(err) + } + query = strings.ReplaceAll(remapped.Statements[0], "s3://test/search/public_documents.lance", dataset) + rows, err = handler.ServerDuckdbClient.QueryContext(ctx, query, variables...) + if err != nil { + t.Fatal(err) + } + seen := map[string]bool{} + for rows.Next() { + var id string + if err := rows.Scan(&id); err != nil { + t.Fatal(err) + } + if seen[id] { + t.Fatalf("keyword retrieval duplicated source document %s", id) + } + seen[id] = true + } + if err := rows.Err(); err != nil { + t.Fatal(err) + } + rows.Close() + if len(seen) != 2 || !seen["1"] || !seen["2"] { + t.Fatalf("incorrect keyword documents: %v", seen) + } + +} diff --git a/server/set.go b/server/set.go new file mode 100644 index 0000000..5e4da8e --- /dev/null +++ b/server/set.go @@ -0,0 +1,34 @@ +package main + +type Set[T comparable] map[T]struct{} + +func NewSet[T comparable]() Set[T] { + set := make(Set[T]) + return set +} + +func (set Set[T]) Add(item T) Set[T] { + set[item] = struct{}{} + return set +} + +func (set Set[T]) AddAll(items []T) Set[T] { + for _, item := range items { + set.Add(item) + } + return set +} + +func (set Set[T]) Contains(item T) bool { + _, ok := set[item] + return ok +} + +func (set Set[T]) Values() []T { + values := make([]T, 0, len(set)) + for val := range set { + values = append(values, val) + } + + return values +} diff --git a/server/utils.go b/server/utils.go new file mode 100644 index 0000000..882b04e --- /dev/null +++ b/server/utils.go @@ -0,0 +1,76 @@ +package main + +import ( + "crypto/hmac" + "crypto/rand" + "crypto/sha256" + "encoding/base64" + "fmt" + "strconv" + "strings" + "unicode" + + "golang.org/x/crypto/pbkdf2" +) + +func IntToString(i int) string { + return strconv.Itoa(i) +} + +func IsLocalHost(host string) bool { + host = strings.TrimPrefix(host, "http://") + host = strings.TrimPrefix(host, "https://") + return strings.HasPrefix(host, "127.0.0.1") || strings.HasPrefix(host, "localhost") +} + +func Int64ToString(i int64) string { + return strconv.FormatInt(i, 10) +} + +func StringContainsUpper(str string) bool { + for _, char := range str { + if unicode.IsUpper(char) { + return true + } + } + return false +} + +func StringToScramSha256(password string) string { + saltLength := 16 + digestLength := 32 + iterations := 4096 + clientKey := []byte("Client Key") + serverKey := []byte("Server Key") + + salt := make([]byte, saltLength) + _, err := rand.Read(salt) + if err != nil { + return "" + } + + digestKey := pbkdf2.Key([]byte(password), salt, iterations, digestLength, sha256.New) + clientKeyHash := hmacSha256Hash(digestKey, clientKey) + serverKeyHash := hmacSha256Hash(digestKey, serverKey) + storedKeyHash := sha256Hash(clientKeyHash) + + return fmt.Sprintf( + "SCRAM-SHA-256$%d:%s$%s:%s", + iterations, + base64.StdEncoding.EncodeToString(salt), + base64.StdEncoding.EncodeToString(storedKeyHash), + base64.StdEncoding.EncodeToString(serverKeyHash), + ) +} + +func hmacSha256Hash(key []byte, message []byte) []byte { + hash := hmac.New(sha256.New, key) + hash.Write(message) + return hash.Sum(nil) +} + +func sha256Hash(data []byte) []byte { + hash := sha256.New() + hash.Write(data) + return hash.Sum(nil) +} diff --git a/src/capped_buffer.go b/src/capped_buffer.go deleted file mode 100644 index 0c00d10..0000000 --- a/src/capped_buffer.go +++ /dev/null @@ -1,103 +0,0 @@ -package main - -import ( - "errors" - "io" - "sync" -) - -type CappedBuffer struct { - config *Config - maxSizeBytes int - - buffer []byte - mutex sync.Mutex - conditionalSync *sync.Cond - - closeOnceSync sync.Once - closed bool -} - -func NewCappedBuffer(maxSizeBytes int, config *Config) *CappedBuffer { - sizedBuffer := &CappedBuffer{ - config: config, - buffer: make([]byte, 0, maxSizeBytes), - maxSizeBytes: maxSizeBytes, - } - sizedBuffer.conditionalSync = sync.NewCond(&sizedBuffer.mutex) - return sizedBuffer -} - -// Implements io.Writer -func (buf *CappedBuffer) Write(payload []byte) (writtenBytes int, err error) { - if len(payload) == 0 { - return 0, nil - } - - buf.mutex.Lock() - defer buf.mutex.Unlock() - - if buf.closed { - return 0, errors.New("buffer is closed") - } - - for len(buf.buffer)+len(payload) > buf.maxSizeBytes && !buf.closed { - LogTrace(buf.config, ">> Waiting for more space in capped buffer...") - buf.conditionalSync.Wait() // Wait for the reader - } - - // Check again if buffer was closed while waiting - if buf.closed { - return 0, errors.New("buffer is closed") - } - - writtenBytes = len(payload) - buf.buffer = append(buf.buffer, payload...) - LogTrace(buf.config, ">> Writing", writtenBytes, "bytes to capped buffer...") - - buf.conditionalSync.Broadcast() // Notify the reader that new data is available - - return writtenBytes, nil -} - -// Implements io.Reader -func (buf *CappedBuffer) Read(payload []byte) (readBytes int, err error) { - if len(payload) == 0 { - return 0, nil - } - - buf.mutex.Lock() - defer buf.mutex.Unlock() - - for len(buf.buffer) == 0 && !buf.closed { - LogTrace(buf.config, "<< Waiting for more data in capped buffer...") - buf.conditionalSync.Wait() // Wait for the writer - } - - if len(buf.buffer) == 0 && buf.closed { - return 0, io.EOF - } - - maxReadBytes := len(payload) - readBytes = copy(payload, buf.buffer) - buf.buffer = buf.buffer[readBytes:] - LogTrace(buf.config, "<< Reading "+IntToString(readBytes)+"/"+IntToString(maxReadBytes)+" bytes from capped buffer...") - - buf.conditionalSync.Broadcast() // Notify the writer that space is now available - - return readBytes, nil -} - -func (buf *CappedBuffer) Close() error { - buf.closeOnceSync.Do(func() { - buf.mutex.Lock() - - LogTrace(buf.config, "== Closing capped buffer...") - buf.closed = true - - buf.conditionalSync.Broadcast() // Wake up any waiting writers/readers - - buf.mutex.Unlock() - }) - return nil -} diff --git a/src/capped_buffer_test.go b/src/capped_buffer_test.go deleted file mode 100644 index 17046b2..0000000 --- a/src/capped_buffer_test.go +++ /dev/null @@ -1,320 +0,0 @@ -package main - -import ( - "bytes" - "io" - "sync" - "testing" - "time" -) - -func initTestConfig() *Config { - return &Config{ - LogLevel: LOG_LEVEL_INFO, // Use INFO to avoid excessive logging during tests - } -} - -func TestCappedBufferWrite(t *testing.T) { - t.Run("Writes data to buffer", func(t *testing.T) { - config := initTestConfig() - bufferSize := 100 // 100 bytes - buffer := NewCappedBuffer(bufferSize, config) - writeData := []byte("hello world") - - writtenBytes, err := buffer.Write(writeData) - - if err != nil { - t.Fatalf("Failed to write to buffer: %v", err) - } - if writtenBytes != len(writeData) { - t.Errorf("Expected to write %d bytes, but wrote %d", len(writeData), writtenBytes) - } - }) - - t.Run("Waits to write data to a full buffer", func(t *testing.T) { - config := initTestConfig() - bufferSize := 11 - buffer := NewCappedBuffer(bufferSize, config) - writeDataFull := []byte("hello world") - buffer.Write(writeDataFull) - writeDataOverflow := []byte("overflow") - done := make(chan struct{}) - - go func() { - buffer.Write(writeDataOverflow) - close(done) - }() - - select { - case <-done: - t.Error("Write to full buffer should block, but it returned immediately") - case <-time.After(100 * time.Millisecond): - // This is expected - Write should block - } - }) - - t.Run("Writes data to a buffer after it was read (more space available)", func(t *testing.T) { - config := initTestConfig() - bufferSize := 11 - buffer := NewCappedBuffer(bufferSize, config) - writeDataFull := []byte("hello world") - buffer.Write(writeDataFull) - writeDataOverflow := []byte("over") - done := make(chan struct{}) - - go func() { - writtenBytes, err := buffer.Write(writeDataOverflow) - if err != nil { - t.Errorf("Failed to write to buffer: %v", err) - } - if writtenBytes != len(writeDataOverflow) { - t.Errorf("Expected to write %d bytes, but wrote %d", len(writeDataOverflow), writtenBytes) - } - - close(done) - }() - - readData := make([]byte, 5) - readBytes, err := buffer.Read(readData) - if err != nil { - t.Fatalf("Failed to read from buffer: %v", err) - } - if readBytes != 5 { - t.Errorf("Expected to read 5 bytes, but read %d", readBytes) - } - - select { - case <-done: - // This is expected - Write should proceed - case <-time.After(100 * time.Millisecond): - t.Error("Write should have proceeded after Read") - } - }) - - t.Run("Receive error when writing to a closed buffer", func(t *testing.T) { - config := initTestConfig() - bufferSize := 100 - buffer := NewCappedBuffer(bufferSize, config) - writeData := []byte("hello world") - - buffer.Close() - - writtenBytes, err := buffer.Write(writeData) - - if err == nil { - t.Error("Write to closed buffer should return an error") - } - if err.Error() != "buffer is closed" { - t.Errorf("Expected error message 'buffer is closed', but got: %v", err) - } - if writtenBytes != 0 { - t.Errorf("Expected to write 0 bytes, but wrote %d", writtenBytes) - } - }) -} - -func TestCappedBufferRead(t *testing.T) { - t.Run("Reads data from buffer", func(t *testing.T) { - config := initTestConfig() - bufferSize := 100 // 100 bytes - buffer := NewCappedBuffer(bufferSize, config) - writeData := []byte("hello world") - buffer.Write(writeData) - readData := make([]byte, len(writeData)) - - readBytes, err := buffer.Read(readData) - - if err != nil { - t.Fatalf("Failed to read from buffer: %v", err) - } - if readBytes != len(writeData) { - t.Errorf("Expected to read %d bytes, but read %d", len(writeData), readBytes) - } - if !bytes.Equal(readData, writeData) { - t.Errorf("Read data does not match written data. Got %q, want %q", readData, writeData) - } - }) - - t.Run("Waits to read data from an empty buffer", func(t *testing.T) { - config := initTestConfig() - bufferSize := 100 // 100 bytes - buffer := NewCappedBuffer(bufferSize, config) - done := make(chan struct{}) // Create a channel to signal when read is done - readData := make([]byte, 10) - - // Start a goroutine to read from the buffer - go func() { - buffer.Read(readData) - close(done) - }() - - // Wait for a short time to see if Read blocks - select { - case <-done: - t.Error("Read from empty buffer should block, but it returned immediately") - case <-time.After(100 * time.Millisecond): - // This is expected - Read should block - } - }) - - t.Run("Waits and reads data from a buffer after it was closed", func(t *testing.T) { - config := initTestConfig() - bufferSize := 100 // 100 bytes - buffer := NewCappedBuffer(bufferSize, config) - writeData := []byte("hello world") - buffer.Write(writeData) - done := make(chan struct{}) // Create a channel to signal when read is done - readData := make([]byte, 11) - - // Start a goroutine to read from the buffer - go func() { - readBytes, err := buffer.Read(readData) - if err != nil { - t.Errorf("Failed to read from buffer: %v", err) - } - if readBytes != len(writeData) { - t.Errorf("Expected to read %d bytes, but read %d", len(writeData), readBytes) - } - close(done) - }() - - buffer.Close() // Close the buffer to unblock the read - - // Wait for the read to complete - select { - case <-done: - if !bytes.Equal(readData, writeData) { - t.Errorf("Read data does not match written data. Got %q, want %q", readData, writeData) - } - case <-time.After(100 * time.Millisecond): - t.Error("Read should have returned after Close") - } - }) - - t.Run("Reads data from a buffer after it was written to (more data available)", func(t *testing.T) { - config := initTestConfig() - bufferSize := 11 - buffer := NewCappedBuffer(bufferSize, config) - readData := make([]byte, 5) - done := make(chan struct{}) - writeData := []byte("hello world") - - go func() { - readBytes, err := buffer.Read(readData) - if err != nil { - t.Errorf("Failed to read from buffer: %v", err) - } - if readBytes != len(readData) { - t.Errorf("Expected to read %d bytes, but read %d", len(readData), readBytes) - } - if !bytes.Equal(readData, writeData[:len(readData)]) { - t.Errorf("Read data does not match written data. Got %q, want %q", readData, writeData[:len(readData)]) - } - close(done) - }() - - buffer.Write(writeData) - - select { - case <-done: - // This is expected - Read should proceed - case <-time.After(100 * time.Millisecond): - t.Error("Read should have proceeded after Write") - } - }) - - t.Run("Receive EOF when reading from a closed and empty buffer", func(t *testing.T) { - config := initTestConfig() - bufferSize := 100 - buffer := NewCappedBuffer(bufferSize, config) - readData := make([]byte, 10) - - buffer.Close() - - readBytes, err := buffer.Read(readData) - - if err != io.EOF { - t.Errorf("Read from closed and empty buffer should return EOF, but got: %v", err) - } - if readBytes != 0 { - t.Errorf("Expected to read 0 bytes, but read %d", readBytes) - } - }) -} - -func TestCappedBufferConcurrentReadWrite(t *testing.T) { - t.Run("Concurrent read and write operations", func(t *testing.T) { - config := initTestConfig() - bufferSize := 100 // 100 bytes - buffer := NewCappedBuffer(bufferSize, config) - iterations := 100 - writeData := []byte("test data") - - // WaitGroup to wait for all goroutines to complete - var wg sync.WaitGroup - wg.Add(2) // One for reader, one for writer - - // Start writer goroutine - go func() { - defer wg.Done() - for i := 0; i < iterations; i++ { - _, err := buffer.Write(writeData) - if err != nil { - t.Errorf("Write error at iteration %d: %v", i, err) - return - } - } - }() - - // Start reader goroutine - go func() { - defer wg.Done() - readData := make([]byte, len(writeData)) - for i := 0; i < iterations; i++ { - _, err := buffer.Read(readData) - if err != nil { - t.Errorf("Read error at iteration %d: %v", i, err) - return - } - if !bytes.Equal(readData, writeData) { - t.Errorf("Read data does not match at iteration %d. Got %q, want %q", i, readData, writeData) - return - } - } - }() - - // Wait for both goroutines to complete - wg.Wait() - }) - - t.Run("Multiple sequential read and write operations", func(t *testing.T) { - config := initTestConfig() - bufferSize := 20 - buffer := NewCappedBuffer(bufferSize, config) - data1 := []byte("first") - data2 := []byte("second") - data3 := []byte("third") - readData1 := make([]byte, 5) // "first" - readData2 := make([]byte, 6) // "second" - readData3 := make([]byte, 5) // "third" - - buffer.Write(data1) - buffer.Write(data2) - buffer.Write(data3) - - readBytes1, _ := buffer.Read(readData1) - if readBytes1 != 5 || string(readData1) != "first" { - t.Errorf("First read failed: got %q, want %q", readData1, "first") - } - - readBytes2, _ := buffer.Read(readData2) - if readBytes2 != 6 || string(readData2) != "second" { - t.Errorf("Second read failed: got %q, want %q", readData2, "second") - } - - readBytes3, _ := buffer.Read(readData3) - if readBytes3 != 5 || string(readData3) != "third" { - t.Errorf("Third read failed: got %q, want %q", readData3, "third") - } - }) -} diff --git a/src/config.go b/src/config.go deleted file mode 100644 index 1c370ef..0000000 --- a/src/config.go +++ /dev/null @@ -1,201 +0,0 @@ -package main - -import ( - "flag" - "os" - "slices" - "strings" -) - -const ( - VERSION = "0.51.1" - - ENV_PORT = "BEMIDB_PORT" - ENV_DATABASE = "BEMIDB_DATABASE" - ENV_USER = "BEMIDB_USER" - ENV_PASSWORD = "BEMIDB_PASSWORD" - ENV_HOST = "BEMIDB_HOST" - ENV_INIT_SQL_FILEPATH = "BEMIDB_INIT_SQL" - - ENV_STORAGE_PATH = "BEMIDB_STORAGE_PATH" - ENV_STORAGE_TYPE = "BEMIDB_STORAGE_TYPE" - ENV_AWS_REGION = "AWS_REGION" - ENV_AWS_S3_ENDPOINT = "AWS_S3_ENDPOINT" - ENV_AWS_S3_BUCKET = "AWS_S3_BUCKET" - ENV_AWS_ACCESS_KEY_ID = "AWS_ACCESS_KEY_ID" - ENV_AWS_SECRET_ACCESS_KEY = "AWS_SECRET_ACCESS_KEY" - - ENV_PG_DATABASE_URL = "PG_DATABASE_URL" - ENV_PG_SYNC_INTERVAL = "PG_SYNC_INTERVAL" - ENV_PG_SCHEMA_PREFIX = "PG_SCHEMA_PREFIX" - ENV_PG_INCLUDE_TABLES = "PG_INCLUDE_TABLES" - ENV_PG_EXCLUDE_TABLES = "PG_EXCLUDE_TABLES" - ENV_PG_INCREMENTALLY_REFRESHED_TABLES = "PG_INCREMENTALLY_REFRESHED_TABLES" - ENV_PG_PRESERVE_UNSYNCED = "PG_PRESERVE_UNSYNCED" - - ENV_LOG_LEVEL = "BEMIDB_LOG_LEVEL" - ENV_DISABLE_ANONYMOUS_ANALYTICS = "BEMIDB_DISABLE_ANONYMOUS_ANALYTICS" - - DEFAULT_PORT = "54321" - DEFAULT_DATABASE = "bemidb" - DEFAULT_USER = "" - DEFAULT_PASSWORD = "" - DEFAULT_HOST = "127.0.0.1" - DEFAULT_STORAGE_PATH = "iceberg" - DEFAULT_LOG_LEVEL = "INFO" - DEFAULT_DB_STORAGE_TYPE = "LOCAL" - - DEFAULT_AWS_S3_ENDPOINT = "s3.amazonaws.com" - - STORAGE_TYPE_LOCAL = "LOCAL" - STORAGE_TYPE_S3 = "S3" -) - -var STORAGE_TYPES = []string{STORAGE_TYPE_LOCAL, STORAGE_TYPE_S3} - -type AwsConfig struct { - Region string - S3Endpoint string // optional - S3Bucket string - AccessKeyId string - SecretAccessKey string -} - -type PgConfig struct { - DatabaseUrl string - SyncInterval string // optional - SchemaPrefix string // optional - IncludeTables []string // optional - ExcludeTables []string // optional - IncrementallyRefreshedTables []string // optional - PreserveUnsynced bool // optional -} - -type Config struct { - Host string - Port string - Database string - User string - EncryptedPassword string - LogLevel string - StorageType string - StoragePath string - Aws AwsConfig - Pg PgConfig - DisableAnonymousAnalytics bool -} - -type configParseValues struct { - password string - pgIncludeTables string - pgExcludeTables string - pgIncrementallyRefreshedTables string -} - -var _config Config -var _configParseValues configParseValues - -func init() { - registerFlags() -} - -func registerFlags() { - flag.StringVar(&_config.Host, "host", os.Getenv(ENV_HOST), "Database host. Default: \""+DEFAULT_HOST+"\"") - flag.StringVar(&_config.Port, "port", os.Getenv(ENV_PORT), "Port for BemiDB to listen on. Default: \""+DEFAULT_PORT+"\"") - flag.StringVar(&_config.Database, "database", os.Getenv(ENV_DATABASE), "Database name. Default: \""+DEFAULT_DATABASE+"\"") - flag.StringVar(&_config.User, "user", os.Getenv(ENV_USER), "Database user. Default: \""+DEFAULT_USER+"\"") - flag.StringVar(&_configParseValues.password, "password", os.Getenv(ENV_PASSWORD), "Database password. Default: \""+DEFAULT_PASSWORD+"\"") - flag.StringVar(&_config.StoragePath, "storage-path", os.Getenv(ENV_STORAGE_PATH), "Path to the storage folder. Default: \""+DEFAULT_STORAGE_PATH+"\"") - flag.StringVar(&_config.LogLevel, "log-level", os.Getenv(ENV_LOG_LEVEL), "Log level: \"ERROR\", \"WARN\", \"INFO\", \"DEBUG\", \"TRACE\". Default: \""+DEFAULT_LOG_LEVEL+"\"") - flag.StringVar(&_config.StorageType, "storage-type", os.Getenv(ENV_STORAGE_TYPE), "Storage type: \"LOCAL\", \"S3\". Default: \""+DEFAULT_DB_STORAGE_TYPE+"\"") - flag.StringVar(&_config.Pg.SchemaPrefix, "pg-schema-prefix", os.Getenv(ENV_PG_SCHEMA_PREFIX), "(Optional) Prefix for PostgreSQL schema names") - flag.StringVar(&_config.Pg.SyncInterval, "pg-sync-interval", os.Getenv(ENV_PG_SYNC_INTERVAL), "(Optional) Interval between syncs. Valid units: \"ns\", \"us\" (or \"µs\"), \"ms\", \"s\", \"m\", \"h\"") - flag.StringVar(&_configParseValues.pgIncludeTables, "pg-include-tables", os.Getenv(ENV_PG_INCLUDE_TABLES), "(Optional) Comma-separated list of tables to include in sync (format: schema.table)") - flag.StringVar(&_configParseValues.pgExcludeTables, "pg-exclude-tables", os.Getenv(ENV_PG_EXCLUDE_TABLES), "(Optional) Comma-separated list of tables to exclude from sync (format: schema.table)") - flag.StringVar(&_configParseValues.pgIncrementallyRefreshedTables, "pg-incrementally-refreshed-tables", os.Getenv(ENV_PG_INCREMENTALLY_REFRESHED_TABLES), "(Optional) Comma-separated list of tables to refresh incrementally (format: schema.table)") - flag.BoolVar(&_config.Pg.PreserveUnsynced, "pg-preserve-unsynced", os.Getenv(ENV_PG_PRESERVE_UNSYNCED) == "true", "(Optional) Do not delete the existing tables in BemiDB that are not part of the sync") - flag.StringVar(&_config.Pg.DatabaseUrl, "pg-database-url", os.Getenv(ENV_PG_DATABASE_URL), "PostgreSQL database URL to sync") - flag.StringVar(&_config.Aws.Region, "aws-region", os.Getenv(ENV_AWS_REGION), "AWS region") - flag.StringVar(&_config.Aws.S3Endpoint, "aws-s3-endpoint", os.Getenv(ENV_AWS_S3_ENDPOINT), "AWS S3 endpoint. Default: \""+DEFAULT_AWS_S3_ENDPOINT+"\"") - flag.StringVar(&_config.Aws.S3Bucket, "aws-s3-bucket", os.Getenv(ENV_AWS_S3_BUCKET), "AWS S3 bucket name") - flag.StringVar(&_config.Aws.AccessKeyId, "aws-access-key-id", os.Getenv(ENV_AWS_ACCESS_KEY_ID), "AWS access key ID") - flag.StringVar(&_config.Aws.SecretAccessKey, "aws-secret-access-key", os.Getenv(ENV_AWS_SECRET_ACCESS_KEY), "AWS secret access key") - flag.BoolVar(&_config.DisableAnonymousAnalytics, "disable-anonymous-analytics", os.Getenv(ENV_DISABLE_ANONYMOUS_ANALYTICS) == "true", "Disable anonymous analytics collection") -} - -func parseFlags() { - flag.Parse() - - if _config.Host == "" { - _config.Host = DEFAULT_HOST - } - if _config.Port == "" { - _config.Port = DEFAULT_PORT - } - if _config.Database == "" { - _config.Database = DEFAULT_DATABASE - } - if _config.User == "" { - _config.User = DEFAULT_USER - } - if _configParseValues.password == "" { - _configParseValues.password = DEFAULT_PASSWORD - } - if _configParseValues.password != "" { - if _config.User == "" { - panic("Password is set without a user") - } - _config.EncryptedPassword = StringToScramSha256(_configParseValues.password) - } - if _config.StoragePath == "" { - _config.StoragePath = DEFAULT_STORAGE_PATH - } - if _config.LogLevel == "" { - _config.LogLevel = DEFAULT_LOG_LEVEL - } else if !slices.Contains(LOG_LEVELS, _config.LogLevel) { - panic("Invalid log level " + _config.LogLevel + ". Must be one of " + strings.Join(LOG_LEVELS, ", ")) - } - if _config.StorageType == "" { - _config.StorageType = DEFAULT_DB_STORAGE_TYPE - } else if !slices.Contains(STORAGE_TYPES, _config.StorageType) { - panic("Invalid storage type " + _config.StorageType + ". Must be one of " + strings.Join(STORAGE_TYPES, ", ")) - } - - if _config.StorageType == STORAGE_TYPE_S3 { - if _config.Aws.Region == "" { - panic("AWS region is required") - } - if _config.Aws.S3Endpoint == "" { - _config.Aws.S3Endpoint = DEFAULT_AWS_S3_ENDPOINT - } - if _config.Aws.S3Bucket == "" { - panic("AWS S3 bucket name is required") - } - if _config.Aws.AccessKeyId != "" && _config.Aws.SecretAccessKey == "" { - panic("AWS secret access key is required") - } - if _config.Aws.AccessKeyId == "" && _config.Aws.SecretAccessKey != "" { - panic("AWS access key ID is required") - } - } - if _configParseValues.pgIncludeTables != "" { - _config.Pg.IncludeTables = strings.Split(_configParseValues.pgIncludeTables, ",") - } - if _configParseValues.pgIncrementallyRefreshedTables != "" { - _config.Pg.IncrementallyRefreshedTables = strings.Split(_configParseValues.pgIncrementallyRefreshedTables, ",") - } - if _configParseValues.pgExcludeTables != "" { - _config.Pg.ExcludeTables = strings.Split(_configParseValues.pgExcludeTables, ",") - } - - _configParseValues = configParseValues{} -} - -func LoadConfig(reRegisterFlags ...bool) *Config { - if reRegisterFlags != nil && reRegisterFlags[0] { - flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError) - registerFlags() - } - parseFlags() - return &_config -} diff --git a/src/config_test.go b/src/config_test.go deleted file mode 100644 index 627cfe1..0000000 --- a/src/config_test.go +++ /dev/null @@ -1,214 +0,0 @@ -package main - -import ( - "testing" -) - -func TestLoadConfig(t *testing.T) { - t.Run("Uses default config values with local storage", func(t *testing.T) { - config := LoadConfig(true) - - if config.Port != "54321" { - t.Errorf("Expected port to be 54321, got %s", config.Port) - } - if config.Database != "bemidb" { - t.Errorf("Expected database to be bemidb, got %s", config.Database) - } - if config.StoragePath != "iceberg" { - t.Errorf("Expected StoragePath to be iceberg, got %s", config.StoragePath) - } - if config.LogLevel != "INFO" { - t.Errorf("Expected logLevel to be INFO, got %s", config.LogLevel) - } - if config.StorageType != "LOCAL" { - t.Errorf("Expected storageType to be LOCAL, got %s", config.StorageType) - } - if config.Pg.DatabaseUrl != "" { - t.Errorf("Expected pgDatabaseUrl to be empty, got %s", config.Pg.DatabaseUrl) - } - if config.Pg.SyncInterval != "" { - t.Errorf("Expected interval to be empty, got %s", config.Pg.SyncInterval) - } - if config.Pg.SchemaPrefix != "" { - t.Errorf("Expected schemaPrefix to be empty, got %s", config.Pg.SchemaPrefix) - } - if config.Pg.IncludeTables != nil { - t.Errorf("Expected includeTables to be empty, got %v", config.Pg.IncludeTables) - } - if config.Pg.ExcludeTables != nil { - t.Errorf("Expected includeTables to be empty, got %v", config.Pg.ExcludeTables) - } - }) - - t.Run("Uses config values from environment variables with LOCAL storage", func(t *testing.T) { - t.Setenv("BEMIDB_PORT", "12345") - t.Setenv("BEMIDB_DATABASE", "mydb") - t.Setenv("BEMIDB_INIT_SQL", "./init/duckdb.sql") - t.Setenv("BEMIDB_STORAGE_PATH", "storage-path") - t.Setenv("BEMIDB_LOG_LEVEL", "ERROR") - t.Setenv("BEMIDB_STORAGE_TYPE", "LOCAL") - - config := LoadConfig(true) - - if config.Port != "12345" { - t.Errorf("Expected port to be 12345, got %s", config.Port) - } - if config.Database != "mydb" { - t.Errorf("Expected database to be mydb, got %s", config.Database) - } - if config.StoragePath != "storage-path" { - t.Errorf("Expected StoragePath to be storage-path, got %s", config.StoragePath) - } - if config.LogLevel != "ERROR" { - t.Errorf("Expected logLevel to be ERROR, got %s", config.LogLevel) - } - if config.StorageType != "LOCAL" { - t.Errorf("Expected storageType to be local, got %s", config.StorageType) - } - }) - - t.Run("Uses config values from environment variables with AWS S3 storage", func(t *testing.T) { - t.Setenv("BEMIDB_PORT", "12345") - t.Setenv("BEMIDB_DATABASE", "mydb") - t.Setenv("BEMIDB_INIT_SQL", "./init/duckdb.sql") - t.Setenv("BEMIDB_STORAGE_PATH", "storage-path") - t.Setenv("BEMIDB_LOG_LEVEL", "ERROR") - t.Setenv("BEMIDB_STORAGE_TYPE", "S3") - t.Setenv("AWS_REGION", "us-west-1") - t.Setenv("AWS_S3_ENDPOINT", "s3-us-west-1.amazonaws.com") - t.Setenv("AWS_S3_BUCKET", "my_bucket") - t.Setenv("AWS_ACCESS_KEY_ID", "my_access_key_id") - t.Setenv("AWS_SECRET_ACCESS_KEY", "my_secret_access_key") - - config := LoadConfig(true) - - if config.Port != "12345" { - t.Errorf("Expected port to be 12345, got %s", config.Port) - } - if config.Database != "mydb" { - t.Errorf("Expected database to be mydb, got %s", config.Database) - } - if config.StoragePath != "storage-path" { - t.Errorf("Expected StoragePath to be storage-path, got %s", config.StoragePath) - } - if config.LogLevel != "ERROR" { - t.Errorf("Expected logLevel to be ERROR, got %s", config.LogLevel) - } - if config.StorageType != "S3" { - t.Errorf("Expected storageType to be S3, got %s", config.StorageType) - } - if config.Aws.Region != "us-west-1" { - t.Errorf("Expected awsRegion to be us-west-1, got %s", config.Aws.Region) - } - if config.Aws.S3Endpoint != "s3-us-west-1.amazonaws.com" { - t.Errorf("Expected awsS3Endpoint to be s3-us-west-1.amazonaws.com, got %s", config.Aws.S3Endpoint) - } - if config.Aws.S3Bucket != "my_bucket" { - t.Errorf("Expected awsS3Bucket to be mybucket, got %s", config.Aws.S3Bucket) - } - if config.Aws.AccessKeyId != "my_access_key_id" { - t.Errorf("Expected awsAccessKeyId to be my_access_key_id, got %s", config.Aws.AccessKeyId) - } - if config.Aws.SecretAccessKey != "my_secret_access_key" { - t.Errorf("Expected awsSecretAccessKey to be my_secret_access_key, got %s", config.Aws.SecretAccessKey) - } - }) - - t.Run("Uses config values from environment variables for PG", func(t *testing.T) { - t.Setenv("PG_DATABASE_URL", "postgres://user:password@localhost:5432/template1") - t.Setenv("PG_SYNC_INTERVAL", "1h") - t.Setenv("PG_SCHEMA_PREFIX", "mydb_") - t.Setenv("PG_EXCLUDE_TABLES", "public.users,public.secrets") - - config := LoadConfig(true) - - if config.Pg.DatabaseUrl != "postgres://user:password@localhost:5432/template1" { - t.Errorf("Expected pgDatabaseUrl to be postgres://user:password@localhost:5432/template1, got %s", config.Pg.DatabaseUrl) - } - if config.Pg.SyncInterval != "1h" { - t.Errorf("Expected interval to be 1h, got %s", config.Pg.SyncInterval) - } - if config.Pg.SchemaPrefix != "mydb_" { - t.Errorf("Expected schemaPrefix to be empty, got %s", config.Pg.SchemaPrefix) - } - if !HasExactOrWildcardMatch(config.Pg.ExcludeTables, "public.users") { - t.Errorf("Expected ExcludeTables to contain public.users, got %v", config.Pg.ExcludeTables) - } - if !HasExactOrWildcardMatch(config.Pg.ExcludeTables, "public.secrets") { - t.Errorf("Expected ExcludeTables to contain public.secrets, got %v", config.Pg.ExcludeTables) - } - }) - - t.Run("Panics when only AWS_ACCESS_KEY_ID is set without AWS_SECRET_ACCESS_KEY", func(t *testing.T) { - t.Setenv("BEMIDB_STORAGE_TYPE", "S3") - t.Setenv("AWS_ACCESS_KEY_ID", "my_access_key_id") - - defer func() { - if r := recover(); r == nil { - t.Error("Expected panic when only AWS_ACCESS_KEY_ID is set") - } - }() - - LoadConfig(true) - }) - - t.Run("Panics when only AWS_SECRET_ACCESS_KEY is set without AWS_ACCESS_KEY_ID", func(t *testing.T) { - t.Setenv("BEMIDB_STORAGE_TYPE", "S3") - t.Setenv("AWS_SECRET_ACCESS_KEY", "my_secret_access_key") - - defer func() { - if r := recover(); r == nil { - t.Error("Expected panic when only AWS_SECRET_ACCESS_KEY is set") - } - }() - - LoadConfig(true) - }) - - t.Run("Uses command line arguments", func(t *testing.T) { - setTestArgs([]string{ - "--port", "12345", - "--database", "mydb", - "--storage-path", "storage-path", - "--log-level", "ERROR", - "--storage-type", "LOCAL", - "--pg-database-url", "postgres://user:password@localhost:5432/db", - "--pg-sync-interval", "2h30m", - "--pg-schema-prefix", "mydb_", - "--pg-exclude-tables", "public.users,public.secrets", - }) - - config := LoadConfig(true) - - if config.Port != "12345" { - t.Errorf("Expected port to be 12345, got %s", config.Port) - } - if config.Database != "mydb" { - t.Errorf("Expected database to be mydb, got %s", config.Database) - } - if config.StoragePath != "storage-path" { - t.Errorf("Expected StoragePath to be storage-path, got %s", config.StoragePath) - } - if config.LogLevel != "ERROR" { - t.Errorf("Expected logLevel to be ERROR, got %s", config.LogLevel) - } - if config.StorageType != "LOCAL" { - t.Errorf("Expected storageType to be local, got %s", config.StorageType) - } - if config.Pg.DatabaseUrl != "postgres://user:password@localhost:5432/db" { - t.Errorf("Expected pgDatabaseUrl to be postgres://user:password@localhost:5432/db, got %s", config.Pg.DatabaseUrl) - } - if config.Pg.SyncInterval != "2h30m" { - t.Errorf("Expected interval to be 2h30m, got %s", config.Pg.SyncInterval) - } - if config.Pg.SchemaPrefix != "mydb_" { - t.Errorf("Expected schemaPrefix to be mydb_, got %s", config.Pg.SchemaPrefix) - } - if !HasExactOrWildcardMatch(config.Pg.ExcludeTables, "public.users") { - t.Errorf("Expected ExcludeTables to have public.users, got %v", config.Pg.ExcludeTables) - } - if !HasExactOrWildcardMatch(config.Pg.ExcludeTables, "public.secrets") { - t.Errorf("Expected ExcludeTables to have public.secrets, got %v", config.Pg.ExcludeTables) - } - }) -} diff --git a/src/custom_types.go b/src/custom_types.go deleted file mode 100644 index 7d480f6..0000000 --- a/src/custom_types.go +++ /dev/null @@ -1,152 +0,0 @@ -package main - -import ( - "fmt" - "strings" -) - -//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -type Set[T comparable] map[T]struct{} - -func NewSet[T comparable](items []T) Set[T] { - set := make(Set[T]) - - for _, item := range items { - set.Add(item) - } - - return set -} - -func (set Set[T]) Add(item T) { - set[item] = struct{}{} -} - -func (set Set[T]) Contains(item T) bool { - _, ok := set[item] - return ok -} - -func (set Set[T]) Values() []T { - values := make([]T, 0, len(set)) - for val := range set { - values = append(values, val) - } - - return values -} - -//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -type IcebergSchemaTable struct { - Schema string - Table string -} - -func (schemaTable IcebergSchemaTable) String() string { - return fmt.Sprintf(`"%s"."%s"`, schemaTable.Schema, schemaTable.Table) -} - -//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -type IcebergTableField struct { - Name string - Type string - Required bool - IsList bool -} - -func (tableField IcebergTableField) ToSql() string { - sql := fmt.Sprintf(`"%s" %s`, tableField.Name, tableField.Type) - - if tableField.IsList { - sql += "[]" - } - - if tableField.Required { - sql += " NOT NULL" - } - - return sql -} - -//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -type QuerySchemaTable struct { - Schema string - Table string - Alias string -} - -func NewQuerySchemaTableFromString(schemaTable string) QuerySchemaTable { - parts := strings.Split(schemaTable, ".") - - qSchemaTable := QuerySchemaTable{ - Table: parts[len(parts)-1], - } - if len(parts) > 1 { - qSchemaTable.Schema = parts[0] - } - - if !StringContainsUpper(qSchemaTable.Schema) { - qSchemaTable.Schema = strings.ReplaceAll(qSchemaTable.Schema, "\"", "") - } - if !StringContainsUpper(qSchemaTable.Table) { - qSchemaTable.Table = strings.ReplaceAll(qSchemaTable.Table, "\"", "") - } - - return qSchemaTable -} - -func (qSchemaTable QuerySchemaTable) ToIcebergSchemaTable() IcebergSchemaTable { - if qSchemaTable.Schema == "" { - return IcebergSchemaTable{ - Schema: PG_SCHEMA_PUBLIC, - Table: qSchemaTable.Table, - } - } - - return IcebergSchemaTable{ - Schema: qSchemaTable.Schema, - Table: qSchemaTable.Table, - } -} - -//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -type QuerySchemaFunction struct { - Schema string - Function string -} - -//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -type PgSchemaTable struct { - Schema string - Table string - ParentPartitionedTable string -} - -func (pgSchemaTable PgSchemaTable) String() string { - return fmt.Sprintf(`"%s"."%s"`, pgSchemaTable.Schema, pgSchemaTable.Table) -} - -func (pgSchemaTable PgSchemaTable) ParentPartitionedTableString() string { - if pgSchemaTable.ParentPartitionedTable == "" { - return "" - } - - return fmt.Sprintf(`"%s"."%s"`, pgSchemaTable.Schema, pgSchemaTable.ParentPartitionedTable) -} - -func (pgSchemaTable PgSchemaTable) ToConfigArg() string { - return fmt.Sprintf(`%s.%s`, pgSchemaTable.Schema, pgSchemaTable.Table) -} - -func (pgSchemaTable PgSchemaTable) ToIcebergSchemaTable() IcebergSchemaTable { - return IcebergSchemaTable{ - Schema: pgSchemaTable.Schema, - Table: pgSchemaTable.Table, - } -} diff --git a/src/duckdb.go b/src/duckdb.go deleted file mode 100644 index d454084..0000000 --- a/src/duckdb.go +++ /dev/null @@ -1,208 +0,0 @@ -package main - -import ( - "bufio" - "context" - "database/sql" - "io" - "regexp" - "slices" - "strings" - "time" - - _ "github.com/marcboeker/go-duckdb" -) - -const ( - DUCKDB_SCHEMA_MAIN = "main" - REFRESH_IMPLICIT_AWS_CREDENTIALS_INTERVAL = 10 * time.Minute -) - -var DUCKDB_INIT_BOOT_QUERIES = []string{ - // Set up Iceberg - "INSTALL iceberg", - "LOAD iceberg", - - // Set up schemas - "SELECT oid FROM pg_catalog.pg_namespace", - "CREATE SCHEMA public", - - // Configure DuckDB - "SET scalar_subquery_error_on_multiple_rows=false", - "SET timezone='UTC'", -} - -type Duckdb struct { - db *sql.DB - config *Config - stopImplicitAwsCredentialsRefreshChan chan struct{} -} - -func NewDuckdb(config *Config, withPgCompatibility bool) *Duckdb { - ctx := context.Background() - db, err := sql.Open("duckdb", "") - PanicIfError(config, err) - - duckdb := &Duckdb{ - db: db, - config: config, - stopImplicitAwsCredentialsRefreshChan: make(chan struct{}), - } - - bootQueries := []string{} - if withPgCompatibility { - bootQueries = slices.Concat( - // Set up DuckDB - DUCKDB_INIT_BOOT_QUERIES, - - // Create pg-compatible functions - CreatePgCatalogMacroQueries(config), - CreateInformationSchemaMacroQueries(config), - - // Create pg-compatible tables and views - CreatePgCatalogTableQueries(config), - CreateInformationSchemaTableQueries(config), - - // Use the public schema - []string{"USE public"}, - ) - } - - for _, query := range bootQueries { - _, err := duckdb.ExecContext(ctx, query, nil) - PanicIfError(config, err) - } - - switch config.StorageType { - case STORAGE_TYPE_S3: - if duckdb.config.Aws.AccessKeyId != "" && duckdb.config.Aws.SecretAccessKey != "" { - duckdb.setExplicitAwsCredentials(ctx) - } else { - duckdb.setImplicitAwsCredentials(ctx) - duckdb.autoRefreshImplicitAwsCredentials(ctx) - } - - if IsLocalHost(config.Aws.S3Endpoint) { - _, err = duckdb.ExecContext(ctx, "SET s3_use_ssl=false", nil) - PanicIfError(config, err) - } - - if config.Aws.S3Endpoint != DEFAULT_AWS_S3_ENDPOINT { - // Use endpoint/bucket/key (path, deprecated on AWS) instead of bucket.endpoint/key (vhost) - _, err = duckdb.ExecContext(ctx, "SET s3_url_style='path'", nil) - PanicIfError(config, err) - } - - if config.LogLevel == LOG_LEVEL_TRACE { - _, err = duckdb.ExecContext(ctx, "SET enable_http_logging=true", nil) - PanicIfError(config, err) - } - } - - return duckdb -} - -func (duckdb *Duckdb) ExecContext(ctx context.Context, query string, args map[string]string) (sql.Result, error) { - LogDebug(duckdb.config, "Querying DuckDB:", query) - return duckdb.db.ExecContext(ctx, replaceNamedStringArgs(query, args)) -} - -func (duckdb *Duckdb) QueryContext(ctx context.Context, query string) (*sql.Rows, error) { - LogDebug(duckdb.config, "Querying DuckDB:", query) - return duckdb.db.QueryContext(ctx, query) -} - -func (duckdb *Duckdb) PrepareContext(ctx context.Context, query string) (*sql.Stmt, error) { - LogDebug(duckdb.config, "Preparing DuckDB statement:", query) - return duckdb.db.PrepareContext(ctx, query) -} - -func (duckdb *Duckdb) Close() { - close(duckdb.stopImplicitAwsCredentialsRefreshChan) - duckdb.db.Close() -} - -func (duckdb *Duckdb) ExecTransactionContext(ctx context.Context, queries []string) error { - tx, err := duckdb.db.Begin() - LogDebug(duckdb.config, "Querying DuckDB: BEGIN") - if err != nil { - return err - } - - for _, query := range queries { - LogDebug(duckdb.config, "Querying DuckDB:", query) - _, err := tx.ExecContext(ctx, query) - if err != nil { - tx.Rollback() - return err - } - } - - LogDebug(duckdb.config, "Querying DuckDB: COMMIT") - return tx.Commit() -} - -func (duckdb *Duckdb) ExecFile(reader io.ReadCloser) { - defer reader.Close() - - lines := []string{} - scanner := bufio.NewScanner(reader) - for scanner.Scan() { - lines = append(lines, scanner.Text()) - } - PanicIfError(duckdb.config, scanner.Err()) - - ctx := context.Background() - for _, sql := range lines { - _, err := duckdb.ExecContext(ctx, sql, nil) - PanicIfError(duckdb.config, err) - } -} - -func (duckdb *Duckdb) setExplicitAwsCredentials(ctx context.Context) { - config := duckdb.config - query := "CREATE OR REPLACE SECRET aws_s3_secret (TYPE S3, KEY_ID '$accessKeyId', SECRET '$secretAccessKey', REGION '$region', ENDPOINT '$endpoint', SCOPE '$s3Bucket')" - _, err := duckdb.ExecContext(ctx, query, map[string]string{ - "accessKeyId": config.Aws.AccessKeyId, - "secretAccessKey": config.Aws.SecretAccessKey, - "region": config.Aws.Region, - "endpoint": config.Aws.S3Endpoint, - "s3Bucket": "s3://" + config.Aws.S3Bucket, - }) - PanicIfError(config, err) -} - -func (duckdb *Duckdb) setImplicitAwsCredentials(ctx context.Context) { - config := duckdb.config - query := "CREATE OR REPLACE SECRET aws_s3_secret (TYPE S3, PROVIDER CREDENTIAL_CHAIN, REGION '$region', ENDPOINT '$endpoint', SCOPE '$s3Bucket')" - _, err := duckdb.ExecContext(ctx, query, map[string]string{ - "region": config.Aws.Region, - "endpoint": config.Aws.S3Endpoint, - "s3Bucket": "s3://" + config.Aws.S3Bucket, - }) - PanicIfError(config, err) -} - -func (duckdb *Duckdb) autoRefreshImplicitAwsCredentials(ctx context.Context) { - ticker := time.NewTicker(REFRESH_IMPLICIT_AWS_CREDENTIALS_INTERVAL) - go func() { - for { - select { - case <-ticker.C: - duckdb.setImplicitAwsCredentials(ctx) - case <-duckdb.stopImplicitAwsCredentialsRefreshChan: - ticker.Stop() - return - } - } - }() -} - -func replaceNamedStringArgs(query string, args map[string]string) string { - re := regexp.MustCompile(`['";]`) // Escape single quotes, double quotes, and semicolons from args - - for key, value := range args { - query = strings.ReplaceAll(query, "$"+key, re.ReplaceAllString(value, "")) - } - return query -} diff --git a/src/duckdb_test.go b/src/duckdb_test.go deleted file mode 100644 index efce0c9..0000000 --- a/src/duckdb_test.go +++ /dev/null @@ -1,64 +0,0 @@ -package main - -import ( - "context" - "io" - "strings" - "testing" -) - -func TestNewDuckdb(t *testing.T) { - t.Run("Creates a new DuckDB instance", func(t *testing.T) { - config := loadTestConfig() - - duckdb := NewDuckdb(config, false) - - defer duckdb.Close() - rows, err := duckdb.QueryContext(context.Background(), "SELECT 1") - if err != nil { - t.Errorf("Expected query to succeed") - } - defer rows.Close() - - for rows.Next() { - var result int - err = rows.Scan(&result) - if err != nil { - t.Errorf("Expected query to return a result") - } - if result != 1 { - t.Errorf("Expected query result to be 1, got %d", result) - } - } - }) -} - -func TestExecFile(t *testing.T) { - t.Run("Executes SQL file", func(t *testing.T) { - config := loadTestConfig() - duckdb := NewDuckdb(config, false) - defer duckdb.Close() - fileContent := strings.Join([]string{ - "CREATE TABLE test (id INTEGER);", - "INSERT INTO test VALUES (1);", - }, "\n") - file := io.NopCloser(strings.NewReader(fileContent)) - - duckdb.ExecFile(file) - - rows, err := duckdb.QueryContext(context.Background(), "SELECT COUNT(*) FROM test") - if err != nil { - t.Errorf("Expected query to succeed") - } - defer rows.Close() - var count int - rows.Next() - err = rows.Scan(&count) - if err != nil { - t.Errorf("Expected query to return a result") - } - if count != 1 { - t.Errorf("Expected query result to be 1, got %d", count) - } - }) -} diff --git a/src/error_utils.go b/src/error_utils.go deleted file mode 100644 index db6be5a..0000000 --- a/src/error_utils.go +++ /dev/null @@ -1,94 +0,0 @@ -package main - -import ( - "bytes" - "encoding/json" - "errors" - "flag" - "fmt" - "net/http" - "net/url" - "os" - "runtime" - "runtime/debug" - "strings" - "time" -) - -func PanicIfError(config *Config, err error) { - if err != nil { - sendAnonymousErrorReport(config, err) - printUnexpectedError(config, err) - os.Exit(1) - } -} - -func Panic(config *Config, message string) { - err := errors.New(message) - PanicIfError(config, err) -} - -func PrintErrorAndExit(config *Config, message string) { - LogError(config, message+"\n") - os.Exit(1) -} - -func HandleUnexpectedError(config *Config, err error) { - sendAnonymousErrorReport(config, err) - printUnexpectedError(config, err) - os.Exit(1) -} - -func printUnexpectedError(config *Config, err error) { - errorMessage := err.Error() - stackTrace := string(debug.Stack()) - - title := "Unexpected error: " + strings.Split(errorMessage, "\n")[0] - body := "* Version: " + VERSION + - "\n* OS: " + runtime.GOOS + "-" + runtime.GOARCH + - "\n\n```\n" + errorMessage + "\n\n" + stackTrace + "\n```" - - fmt.Println("Unexpected error:", errorMessage) - fmt.Println(stackTrace) - fmt.Println("________________________________________________________________________________") - fmt.Println("\nPlease submit a new issue by simply visiting the following link:") - fmt.Println( - "https://github.com/BemiHQ/BemiDB/issues/new?title=" + - url.QueryEscape(title) + - "&body=" + - url.QueryEscape(body), - ) - fmt.Println("\nAlternatively, send us an email at hi@bemidb.com") -} - -type AnonymousErrorData struct { - Command string `json:"command"` - OsName string `json:"osName"` - Version string `json:"version"` - Error string `json:"error"` - StackTrace string `json:"stackTrace"` - PgHost string `json:"pgHost"` -} - -func sendAnonymousErrorReport(config *Config, err error) { - if config.DisableAnonymousAnalytics { - return - } - - data := AnonymousErrorData{ - Command: flag.Arg(0), - OsName: runtime.GOOS + "-" + runtime.GOARCH, - Version: VERSION, - Error: err.Error(), - StackTrace: string(debug.Stack()), - PgHost: ParseDatabaseHost(config.Pg.DatabaseUrl), - } - - jsonData, err := json.Marshal(data) - if err != nil { - return - } - - client := http.Client{Timeout: 5 * time.Second} - _, _ = client.Post("https://api.bemidb.com/api/errors", "application/json", bytes.NewBuffer(jsonData)) -} diff --git a/src/go.mod b/src/go.mod deleted file mode 100644 index b04d2d9..0000000 --- a/src/go.mod +++ /dev/null @@ -1,66 +0,0 @@ -module github.com/BemiHQ/BemiDB - -go 1.24.3 - -require ( - github.com/aws/aws-sdk-go-v2 v1.32.3 - github.com/aws/aws-sdk-go-v2/config v1.28.1 - github.com/aws/aws-sdk-go-v2/credentials v1.17.42 - github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.17.35 - github.com/aws/aws-sdk-go-v2/service/s3 v1.66.2 - github.com/google/uuid v1.6.0 - github.com/jackc/pgx/v5 v5.7.2 - github.com/linkedin/goavro v2.1.0+incompatible - github.com/marcboeker/go-duckdb v1.8.3 - github.com/pganalyze/pg_query_go/v5 v5.1.0 - github.com/xitongsys/parquet-go v1.6.3-0.20240813051905-693d3323dee0 -) - -require ( - github.com/xitongsys/parquet-go-source v0.0.0-20241021075129-b732d2ac9c9b - golang.org/x/crypto v0.35.0 - golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 -) - -require ( - github.com/andybalholm/brotli v1.1.1 // indirect - github.com/apache/arrow-go/v18 v18.0.0 // indirect - github.com/apache/arrow/go/v12 v12.0.1 // indirect - github.com/apache/thrift v0.21.0 // indirect - github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.6 // indirect - github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.18 // indirect - github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.22 // indirect - github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.22 // indirect - github.com/aws/aws-sdk-go-v2/internal/ini v1.8.1 // indirect - github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.22 // indirect - github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.12.0 // indirect - github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.4.3 // indirect - github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.12.3 // indirect - github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.18.3 // indirect - github.com/aws/aws-sdk-go-v2/service/sso v1.24.3 // indirect - github.com/aws/aws-sdk-go-v2/service/ssooidc v1.28.3 // indirect - github.com/aws/aws-sdk-go-v2/service/sts v1.32.3 // indirect - github.com/aws/smithy-go v1.22.0 // indirect - github.com/goccy/go-json v0.10.3 // indirect - github.com/goccy/go-reflect v1.2.0 // indirect - github.com/golang/snappy v0.0.4 // indirect - github.com/google/flatbuffers v24.3.25+incompatible // indirect - github.com/jackc/pgpassfile v1.0.0 // indirect - github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect - github.com/klauspost/asmfmt v1.3.2 // indirect - github.com/klauspost/compress v1.17.11 // indirect - github.com/klauspost/cpuid/v2 v2.2.8 // indirect - github.com/minio/asm2plan9s v0.0.0-20200509001527-cdd76441f9d8 // indirect - github.com/minio/c2goasm v0.0.0-20190812172519-36a3d3bbc4f3 // indirect - github.com/mitchellh/mapstructure v1.5.0 // indirect - github.com/pierrec/lz4/v4 v4.1.21 // indirect - github.com/zeebo/xxh3 v1.0.2 // indirect - golang.org/x/mod v0.21.0 // indirect - golang.org/x/sync v0.11.0 // indirect - golang.org/x/sys v0.30.0 // indirect - golang.org/x/text v0.22.0 // indirect - golang.org/x/tools v0.26.0 // indirect - golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect - google.golang.org/protobuf v1.35.1 // indirect - gopkg.in/linkedin/goavro.v1 v1.0.5 // indirect -) diff --git a/src/go.sum b/src/go.sum deleted file mode 100644 index 8498f86..0000000 --- a/src/go.sum +++ /dev/null @@ -1,1287 +0,0 @@ -cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= -cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= -cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= -cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= -cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= -cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= -cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4= -cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M= -cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc= -cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk= -cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs= -cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc= -cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY= -cloud.google.com/go v0.66.0/go.mod h1:dgqGAjKCDxyhGTtC9dAREQGUJpkceNm1yt590Qno0Ko= -cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI= -cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk= -cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg= -cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8= -cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0= -cloud.google.com/go v0.82.0/go.mod h1:vlKccHJGuFBFufnAnuB08dfEH9Y3H7dzDzRECFdC2TA= -cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY= -cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM= -cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY= -cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ= -cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI= -cloud.google.com/go v0.94.1/go.mod h1:qAlAugsXlC+JWO+Bke5vCtc9ONxjQT3drlTTnAplMW4= -cloud.google.com/go v0.97.0/go.mod h1:GF7l59pYBVlXQIBLx3a761cZ41F9bBH3JUlihCt2Udc= -cloud.google.com/go v0.99.0/go.mod h1:w0Xx2nLzqWJPuozYQX+hFfCSI8WioryfRDzkoI/Y2ZA= -cloud.google.com/go v0.100.1/go.mod h1:fs4QogzfH5n2pBXBP9vRiU+eCny7lD2vmFZy79Iuw1U= -cloud.google.com/go v0.100.2/go.mod h1:4Xra9TjzAeYHrl5+oeLlzbM2k3mjVhZh4UqTZ//w99A= -cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= -cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= -cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc= -cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg= -cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc= -cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ= -cloud.google.com/go/compute v0.1.0/go.mod h1:GAesmwr110a34z04OlxYkATPBEfVhkymfTBXtfbBFow= -cloud.google.com/go/compute v1.2.0/go.mod h1:xlogom/6gr8RJGBe7nT2eGsQYAFUbbv8dbC29qE3Xmw= -cloud.google.com/go/compute v1.3.0/go.mod h1:cCZiE1NHEtai4wiufUhW8I8S1JKkAnhnQJWM7YD99wM= -cloud.google.com/go/compute v1.5.0/go.mod h1:9SMHyhJlzhlkJqrPAc839t2BZFTSk6Jdj6mkzQJeu0M= -cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= -cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk= -cloud.google.com/go/firestore v1.6.1/go.mod h1:asNXNOzBdyVQmEU+ggO8UPodTkEVFW5Qx+rwHnAz+EY= -cloud.google.com/go/iam v0.1.0/go.mod h1:vcUNEa0pEm0qRVpmWepWaFMIAI8/hjB9mO8rNCJtF6c= -cloud.google.com/go/iam v0.1.1/go.mod h1:CKqrcnI/suGpybEHxZ7BMehL0oA4LpdyJdUlTl9jVMw= -cloud.google.com/go/iam v0.3.0/go.mod h1:XzJPvDayI+9zsASAFO68Hk07u3z+f+JrT2xXNdp4bnY= -cloud.google.com/go/kms v1.1.0/go.mod h1:WdbppnCDMDpOvoYBMn1+gNmOeEoZYqAv+HeuKARGCXI= -cloud.google.com/go/kms v1.4.0/go.mod h1:fajBHndQ+6ubNw6Ss2sSd+SWvjL26RNo/dr7uxsnnOA= -cloud.google.com/go/monitoring v1.1.0/go.mod h1:L81pzz7HKn14QCMaCs6NTQkdBnE87TElyanS95vIcl4= -cloud.google.com/go/monitoring v1.4.0/go.mod h1:y6xnxfwI3hTFWOdkOaD7nfJVlwuC3/mS/5kvtT131p4= -cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I= -cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw= -cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA= -cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU= -cloud.google.com/go/pubsub v1.19.0/go.mod h1:/O9kmSe9bb9KRnIAWkzmqhPjHo6LtzGOBYd/kr06XSs= -cloud.google.com/go/secretmanager v1.3.0/go.mod h1:+oLTkouyiYiabAQNugCeTS3PAArGiMJuBqvJnJsyH+U= -cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw= -cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos= -cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk= -cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs= -cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0= -cloud.google.com/go/storage v1.12.0/go.mod h1:fFLk2dp2oAhDz8QFKwqrjdJvxSp/W2g7nillojlL5Ho= -cloud.google.com/go/storage v1.21.0/go.mod h1:XmRlxkgPjlBONznT2dDUU/5XlpU2OjMnKuqnZI01LAA= -cloud.google.com/go/trace v1.0.0/go.mod h1:4iErSByzxkyHWzzlAj63/Gmjz0NH1ASqhJguHpGcr6A= -cloud.google.com/go/trace v1.2.0/go.mod h1:Wc8y/uYyOhPy12KEnXG9XGrvfMz5F5SrYecQlbW1rwM= -contrib.go.opencensus.io/exporter/aws v0.0.0-20200617204711-c478e41e60e9/go.mod h1:uu1P0UCM/6RbsMrgPa98ll8ZcHM858i/AD06a9aLRCA= -contrib.go.opencensus.io/exporter/stackdriver v0.13.10/go.mod h1:I5htMbyta491eUxufwwZPQdcKvvgzMB4O9ni41YnIM8= -contrib.go.opencensus.io/integrations/ocsql v0.1.7/go.mod h1:8DsSdjz3F+APR+0z0WkU1aRorQCFfRxvqjUUPMbF3fE= -dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= -gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8= -git.sr.ht/~sbinet/gg v0.3.1/go.mod h1:KGYtlADtqsqANL9ueOFkWymvzUvLMQllU5Ixo+8v3pc= -github.com/Azure/azure-amqp-common-go/v3 v3.2.1/go.mod h1:O6X1iYHP7s2x7NjUKsXVhkwWrQhxrd+d8/3rRadj4CI= -github.com/Azure/azure-amqp-common-go/v3 v3.2.2/go.mod h1:O6X1iYHP7s2x7NjUKsXVhkwWrQhxrd+d8/3rRadj4CI= -github.com/Azure/azure-pipeline-go v0.2.3/go.mod h1:x841ezTBIMG6O3lAcl8ATHnsOPVl2bqk7S3ta6S6u4k= -github.com/Azure/azure-sdk-for-go v51.1.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc= -github.com/Azure/azure-sdk-for-go v59.3.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc= -github.com/Azure/azure-sdk-for-go/sdk/azcore v0.19.0/go.mod h1:h6H6c8enJmmocHUbLiiGY6sx7f9i+X3m1CHdd5c6Rdw= -github.com/Azure/azure-sdk-for-go/sdk/azcore v1.0.0/go.mod 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h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA= diff --git a/src/iceberg_reader.go b/src/iceberg_reader.go deleted file mode 100644 index 92fdd3f..0000000 --- a/src/iceberg_reader.go +++ /dev/null @@ -1,43 +0,0 @@ -package main - -import ( - "io" -) - -type IcebergReader struct { - config *Config - storage StorageInterface -} - -func NewIcebergReader(config *Config) *IcebergReader { - storage := NewStorage(config) - return &IcebergReader{config: config, storage: storage} -} - -func (reader *IcebergReader) Schemas() (icebergSchemas []string, err error) { - LogDebug(reader.config, "Reading Iceberg schemas...") - return reader.storage.IcebergSchemas() -} - -func (reader *IcebergReader) SchemaTables() (icebergSchemaTables Set[IcebergSchemaTable], err error) { - LogDebug(reader.config, "Reading Iceberg tables...") - return reader.storage.IcebergSchemaTables() -} - -func (reader *IcebergReader) TableFields(icebergSchemaTable IcebergSchemaTable) (icebergTableFields []IcebergTableField, err error) { - LogDebug(reader.config, "Reading Iceberg table "+icebergSchemaTable.String()+" fields...") - return reader.storage.IcebergTableFields(icebergSchemaTable) -} - -func (reader *IcebergReader) MetadataFilePath(icebergSchemaTable IcebergSchemaTable) string { - return reader.storage.IcebergMetadataFilePath(icebergSchemaTable) -} - -func (reader *IcebergReader) InternalTableMetadata(pgSchemaTable PgSchemaTable) (internalTableMetadata InternalTableMetadata, err error) { - LogDebug(reader.config, "Reading internal table metadata for "+pgSchemaTable.String()+"...") - return reader.storage.InternalTableMetadata(pgSchemaTable) -} - -func (reader *IcebergReader) InternalStartSqlFile() io.ReadCloser { - return reader.storage.InternalStartSqlFile() -} diff --git a/src/iceberg_writer.go b/src/iceberg_writer.go deleted file mode 100644 index 65b6818..0000000 --- a/src/iceberg_writer.go +++ /dev/null @@ -1,23 +0,0 @@ -package main - -type IcebergWriter struct { - config *Config - storage StorageInterface -} - -func NewIcebergWriter(config *Config) *IcebergWriter { - storage := NewStorage(config) - return &IcebergWriter{config: config, storage: storage} -} - -func (writer *IcebergWriter) DeleteSchema(icebergSchema string) (err error) { - return writer.storage.DeleteSchema(icebergSchema) -} - -func (writer *IcebergWriter) DeleteSchemaTable(icebergSchemaTable IcebergSchemaTable) (err error) { - return writer.storage.DeleteSchemaTable(icebergSchemaTable) -} - -func (writer *IcebergWriter) WriteInternalStartSqlFile(queries []string) (err error) { - return writer.storage.WriteInternalStartSqlFile(queries) -} diff --git a/src/iceberg_writer_table.go b/src/iceberg_writer_table.go deleted file mode 100644 index 1541845..0000000 --- a/src/iceberg_writer_table.go +++ /dev/null @@ -1,189 +0,0 @@ -package main - -type IcebergWriterTable struct { - config *Config - schemaTable IcebergSchemaTable - storage StorageInterface - pgSchemaColumns []PgSchemaColumn - dynamicRowCountPerBatch int - maxParquetPayloadThreshold int - continuedRefresh bool -} - -func NewIcebergWriterTable( - config *Config, - schemaTable IcebergSchemaTable, - pgSchemaColumns []PgSchemaColumn, - dynamicRowCountPerBatch int, - maxParquetPayloadThreshold int, - continuedRefresh bool, -) *IcebergWriterTable { - return &IcebergWriterTable{ - config: config, - schemaTable: schemaTable, - pgSchemaColumns: pgSchemaColumns, - dynamicRowCountPerBatch: dynamicRowCountPerBatch, - maxParquetPayloadThreshold: maxParquetPayloadThreshold, - continuedRefresh: continuedRefresh, - storage: NewStorage(config), - } -} - -func (writer *IcebergWriterTable) Write(loadRows func() ([][]string, InternalTableMetadata)) { - dataDirPath := writer.storage.CreateDataDir(writer.schemaTable) - metadataDirPath := writer.storage.CreateMetadataDir(writer.schemaTable) - - var lastSequenceNumber int - newManifestListItemsSortedDesc := []ManifestListItem{} - existingManifestListItemsSortedDesc := []ManifestListItem{} - finalManifestListFilesSortedAsc := []ManifestListFile{} - - if writer.continuedRefresh { - existingManifestListFilesSortedAsc, err := writer.storage.ExistingManifestListFiles(metadataDirPath) - PanicIfError(writer.config, err) - - existingManifestListItemsSortedDesc, err = writer.storage.ExistingManifestListItems(existingManifestListFilesSortedAsc[len(existingManifestListFilesSortedAsc)-1]) - PanicIfError(writer.config, err) - - lastSequenceNumber = existingManifestListItemsSortedDesc[0].SequenceNumber - finalManifestListFilesSortedAsc = existingManifestListFilesSortedAsc - } - - var firstNewParquetFile ParquetFile - var newParquetCount int - loadMoreRows := true - - for loadMoreRows { - newParquetFile, newInternalTableMetadata, err := writer.storage.CreateParquet( - dataDirPath, - writer.pgSchemaColumns, - writer.maxParquetPayloadThreshold, - loadRows, - ) - PanicIfError(writer.config, err) - - // If Parquet is empty and we are continuing to refresh / process subsequent chunks, delete it, mark the sync as completed and exit (no trailing Parquet files) - if newParquetFile.RecordCount == 0 && (writer.continuedRefresh || newParquetCount > 0) { - err = writer.storage.DeleteParquet(newParquetFile) - PanicIfError(writer.config, err) - - err = writer.storage.WriteInternalTableMetadata(metadataDirPath, newInternalTableMetadata) - PanicIfError(writer.config, err) - - return - } - - newParquetCount++ - if firstNewParquetFile.Path == "" { - firstNewParquetFile = newParquetFile - } - - if writer.continuedRefresh { - var overwrittenManifestListFilesSortedAsc []ManifestListFile - - existingManifestListItemsSortedDesc, overwrittenManifestListFilesSortedAsc, lastSequenceNumber = writer.overwriteExistingFiles( - dataDirPath, - metadataDirPath, - existingManifestListItemsSortedDesc, - newParquetFile, - firstNewParquetFile, - lastSequenceNumber, - ) - - finalManifestListFilesSortedAsc = append(finalManifestListFilesSortedAsc, overwrittenManifestListFilesSortedAsc...) - } - - newManifestFile, err := writer.storage.CreateManifest(metadataDirPath, newParquetFile) - PanicIfError(writer.config, err) - - lastSequenceNumber++ - newManifestListItem := ManifestListItem{SequenceNumber: lastSequenceNumber, ManifestFile: newManifestFile} - newManifestListItemsSortedDesc = append([]ManifestListItem{newManifestListItem}, newManifestListItemsSortedDesc...) - - finalManifestListItemsSortedDesc := append(newManifestListItemsSortedDesc, existingManifestListItemsSortedDesc...) - newManifestListFile, err := writer.storage.CreateManifestList(metadataDirPath, firstNewParquetFile.Uuid, finalManifestListItemsSortedDesc) - PanicIfError(writer.config, err) - - finalManifestListFilesSortedAsc = append(finalManifestListFilesSortedAsc, newManifestListFile) - _, err = writer.storage.CreateMetadata(metadataDirPath, writer.pgSchemaColumns, finalManifestListFilesSortedAsc) - PanicIfError(writer.config, err) - - err = writer.storage.WriteInternalTableMetadata(metadataDirPath, newInternalTableMetadata) - PanicIfError(writer.config, err) - - loadMoreRows = newInternalTableMetadata.IsInProgress() - LogDebug(writer.config, "Written", newParquetCount, "Parquet file(s). Load more rows:", loadMoreRows) - } -} - -func (writer *IcebergWriterTable) overwriteExistingFiles( - dataDirPath string, - metadataDirPath string, - originalExistingManifestListItemsSortedDesc []ManifestListItem, - newParquetFile ParquetFile, - firstNewParquetFile ParquetFile, - originalLastSequenceNumber int, -) (existingManifestListItemsSortedDesc []ManifestListItem, overwrittenManifestListFilesSortedAsc []ManifestListFile, lastSequenceNumber int) { - originalExistingManifestListItemsSortedAsc := Reverse(originalExistingManifestListItemsSortedDesc) - lastSequenceNumber = originalLastSequenceNumber - - for i, existingManifestListItem := range originalExistingManifestListItemsSortedAsc { - existingManifestFile := existingManifestListItem.ManifestFile - existingParquetFilePath, err := writer.storage.ExistingParquetFilePath(existingManifestFile) - PanicIfError(writer.config, err) - - overwrittenParquetFile, err := writer.storage.CreateOverwrittenParquet(dataDirPath, existingParquetFilePath, newParquetFile.Path, writer.pgSchemaColumns, writer.dynamicRowCountPerBatch) - PanicIfError(writer.config, err) - - // Keep as is if no overlapping records found - if overwrittenParquetFile.Path == "" { - LogDebug(writer.config, "No overlapping records found") - existingManifestListItemsSortedDesc = append([]ManifestListItem{existingManifestListItem}, existingManifestListItemsSortedDesc...) - continue - } - - if overwrittenParquetFile.RecordCount == 0 { - // DELETE - LogDebug(writer.config, "Deleting", existingManifestFile.RecordCount, "record(s)...") - - deletedRecsManifestFile, err := writer.storage.CreateDeletedRecordsManifest(metadataDirPath, overwrittenParquetFile.Uuid, existingManifestFile) - PanicIfError(writer.config, err) - - // Constructing a new manifest list without the previous manifest file and with the new "deleted" manifest file - finalManifestListItemsSortedAsc := []ManifestListItem{} - for j, existingItem := range originalExistingManifestListItemsSortedAsc { - if i != j { - finalManifestListItemsSortedAsc = append(finalManifestListItemsSortedAsc, existingItem) - } - } - lastSequenceNumber++ - overwrittenManifestListItem := ManifestListItem{SequenceNumber: lastSequenceNumber, ManifestFile: deletedRecsManifestFile} - finalManifestListItemsSortedAsc = append(finalManifestListItemsSortedAsc, overwrittenManifestListItem) - - overwrittenManifestList, err := writer.storage.CreateManifestList(metadataDirPath, firstNewParquetFile.Uuid, Reverse(finalManifestListItemsSortedAsc)) - PanicIfError(writer.config, err) - overwrittenManifestListFilesSortedAsc = append(overwrittenManifestListFilesSortedAsc, overwrittenManifestList) - continue - } else { - // UPDATE (overwrite) - LogDebug(writer.config, "Overwritting", existingManifestFile.RecordCount, "record(s) with", overwrittenParquetFile.RecordCount, "record(s)...") - - deletedRecsManifestFile, err := writer.storage.CreateDeletedRecordsManifest(metadataDirPath, overwrittenParquetFile.Uuid, existingManifestFile) - PanicIfError(writer.config, err) - - overwrittenManifestFile, err := writer.storage.CreateManifest(metadataDirPath, overwrittenParquetFile) - PanicIfError(writer.config, err) - - lastSequenceNumber++ - overwrittenManifestListItem := ManifestListItem{SequenceNumber: lastSequenceNumber, ManifestFile: overwrittenManifestFile} - deletedRecsManifestListItem := ManifestListItem{SequenceNumber: lastSequenceNumber, ManifestFile: deletedRecsManifestFile} - overwrittenManifestList, err := writer.storage.CreateManifestList(metadataDirPath, firstNewParquetFile.Uuid, []ManifestListItem{overwrittenManifestListItem, deletedRecsManifestListItem}) - PanicIfError(writer.config, err) - - existingManifestListItemsSortedDesc = append([]ManifestListItem{overwrittenManifestListItem}, existingManifestListItemsSortedDesc...) - overwrittenManifestListFilesSortedAsc = append(overwrittenManifestListFilesSortedAsc, overwrittenManifestList) - } - } - - return existingManifestListItemsSortedDesc, overwrittenManifestListFilesSortedAsc, lastSequenceNumber -} diff --git a/src/iceberg_writer_table_test.go b/src/iceberg_writer_table_test.go deleted file mode 100644 index 5e93e63..0000000 --- a/src/iceberg_writer_table_test.go +++ /dev/null @@ -1,1445 +0,0 @@ -package main - -import ( - "context" - "testing" -) - -var TEST_ICEBERG_WRITER_SCHEMA_TABLE = IcebergSchemaTable{ - Schema: "iceberg_writer_test", - Table: "test_table", -} -var TEST_ICEBERG_WRITER_PG_SCHEMA_COLUMNS = []PgSchemaColumn{ - {ColumnName: "id", DataType: "integer", UdtName: "int4", IsNullable: "NO", NumericPrecision: "32", OrdinalPosition: "1", Namespace: "pg_catalog", PartOfPrimaryKey: true}, - {ColumnName: "name", DataType: "character varying", UdtName: "varchar", IsNullable: "YES", CharacterMaximumLength: "255", OrdinalPosition: "2", Namespace: "pg_catalog"}, -} -var TEST_ICEBERG_WRITER_INITIAL_ROWS = [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, -} -var TEST_XMIN0 = uint32(0) -var TEST_XMIN1 = uint32(1) - -func TestWriteFull(t *testing.T) { - config := loadTestConfig() - duckdb := NewDuckdb(config, true) - defer duckdb.Close() - - t.Run("Processes a full sync with a single Parquet file", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeFull, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes a full sync with two Parquet files", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.maxParquetPayloadThreshold = 1 - - icebergTableWriter.Write(createTestLoadRowsByOne(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeFull, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Continues and processes a full in-progress sync", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - overrideTestInternalTableMetadata(t, icebergTableWriter.storage, InternalTableMetadata{ - LastSyncedAt: 111, - LastRefreshMode: RefreshModeFullInProgress, - MaxXmin: &TEST_XMIN0, - }) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, [][]string{ - {"3", "Jane"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Jane"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeFull, MaxXmin: &TEST_XMIN1}, - ) - })) -} - -func TestWriteIncremental(t *testing.T) { - config := loadTestConfig() - duckdb := NewDuckdb(config, true) - defer duckdb.Close() - - t.Run("Single incremental sync", func(t *testing.T) { - t.Run("Processes an incremental INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Jane"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes an incremental no-op sync", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{})) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes an incremental INSERT with two Parquet files", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - icebergTableWriter.maxParquetPayloadThreshold = 1 - - icebergTableWriter.Write(createTestLoadRowsByOne(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - {"4", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Jane"}, - {"4", "Alice"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes an incremental UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John Doe"}, - {"2", PG_NULL_STRING}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes an incremental UPDATE with two Parquet files", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Alice"}, - })) - icebergTableWriter.continuedRefresh = true - icebergTableWriter.maxParquetPayloadThreshold = 1 - - icebergTableWriter.Write(createTestLoadRowsByOne(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 3}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 3, AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - {"3", "Alice"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes an incremental full UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 2}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes an incremental full UPDATE with three Parquet files", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Alice"}, - })) - icebergTableWriter.continuedRefresh = true - icebergTableWriter.maxParquetPayloadThreshold = 1 - - icebergTableWriter.Write(createTestLoadRowsByOne(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 3}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 3, AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 7, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - {"3", "Bob"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes an incremental INSERT & UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - {"3", "Jane"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John Doe"}, - {"2", PG_NULL_STRING}, - {"3", "Jane"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes an incremental INSERT & full UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - {"3", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 2}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 3}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - {"3", "Alice"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Continues and processes an incremental INSERT in-progress sync with the same rows (same xmins)", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - overrideTestInternalTableMetadata(t, icebergTableWriter.storage, InternalTableMetadata{ - LastSyncedAt: 111, - LastRefreshMode: RefreshModeIncrementalInProgress, - MaxXmin: &TEST_XMIN0, - }) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", PG_NULL_STRING}, - {"3", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Alice"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Continues and processes an incremental INSERT & UPDATE in-progress sync", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - overrideTestInternalTableMetadata(t, icebergTableWriter.storage, InternalTableMetadata{ - LastSyncedAt: 111, - LastRefreshMode: RefreshModeIncrementalInProgress, - MaxXmin: &TEST_XMIN0, - }) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - {"3", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Jane"}, - {"3", "Alice"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - }) - - t.Run("Two incremental syncs", func(t *testing.T) { - t.Run("Processes incremental INSERT -> INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"4", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Jane"}, - {"4", "Alice"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes incremental INSERT -> same-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Alice"}, - }) - testInternalTableMetadata(t, icebergTableWriter.storage, - InternalTableMetadata{LastSyncedAt: 123, LastRefreshMode: RefreshModeIncremental, MaxXmin: &TEST_XMIN1}, - ) - })) - - t.Run("Processes incremental INSERT -> same-record UPDATE & INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - {"4", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Alice"}, - {"4", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT & UPDATE -> same-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 4, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Jane"}, - {"3", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT -> initial-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "Alice"}, - {"2", PG_NULL_STRING}, - {"3", "Jane"}, - }) - })) - - t.Run("Processes incremental INSERT -> initial-record UPDATE & INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Alice"}, - {"4", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "Alice"}, - {"2", PG_NULL_STRING}, - {"3", "Jane"}, - {"4", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT -> initial & inserted-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Alice"}, - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "Alice"}, - {"2", PG_NULL_STRING}, - {"3", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT -> full UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - {"2", "Alice"}, - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 2}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 3}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John Doe"}, - {"2", "Alice"}, - {"3", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT & UPDATE -> initial-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "Bob"}, - {"2", "Jane"}, - {"3", "Alice"}, - }) - })) - - t.Run("Processes incremental UPDATE -> INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Jane"}, - {"3", "Alice"}, - }) - })) - - t.Run("Processes incremental full UPDATE -> INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 2}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - {"3", "Alice"}, - }) - })) - - t.Run("Processes incremental full UPDATE -> UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 2}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 4, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "Alice"}, - {"2", "Jane"}, - }) - })) - - t.Run("Processes incremental UPDATE -> full UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Jane"}, - {"2", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "Jane"}, - {"2", "Alice"}, - }) - })) - - t.Run("Processes incremental UPDATE -> same-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Alice"}, - }) - })) - - t.Run("Processes incremental UPDATE -> same-record UPDATE & INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Alice"}, - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Alice"}, - {"3", "Bob"}, - }) - })) - - t.Run("Processes incremental UPDATE -> initial-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Alice"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - - testRecords(t, duckdb, [][]string{ - {"1", "Alice"}, - {"2", "Jane"}, - }) - })) - - t.Run("Processes incremental UPDATE -> initial-record UPDATE & INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Alice"}, - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - - testRecords(t, duckdb, [][]string{ - {"1", "Alice"}, - {"2", "Jane"}, - {"3", "Bob"}, - }) - })) - }) - - t.Run("Three incremental syncs", func(t *testing.T) { - t.Run("Processes incremental INSERT -> INSERT -> last-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"4", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"4", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Jane"}, - {"4", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT -> INSERT -> previous-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"4", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Bob"}, - {"4", "Alice"}, - }) - })) - - t.Run("Processes incremental INSERT -> INSERT -> initial-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"4", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Bob"}, - {"3", "Jane"}, - {"4", "Alice"}, - }) - })) - - t.Run("Processes incremental INSERT -> same-record UPDATE -> INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"4", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Alice"}, - {"4", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT -> initial-record UPDATE -> INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"4", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Alice"}, - {"3", "Jane"}, - {"4", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT -> same-record UPDATE -> same-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, - {"3", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT -> same-record UPDATE -> initial-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Bob"}, - {"3", "Alice"}, - }) - })) - - t.Run("Processes incremental INSERT -> initial-record UPDATE -> initial-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "Bob"}, - {"2", "Alice"}, - {"3", "Jane"}, - }) - })) - - t.Run("Processes incremental INSERT -> initial-record UPDATE -> inserted-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Alice"}, - {"3", "Bob"}, - }) - })) - - t.Run("Processes incremental INSERT -> initial-record UPDATE -> updated-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Bob"}, - {"3", "Jane"}, - }) - })) - - t.Run("Processes incremental UPDATE -> INSERT -> INSERT", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"4", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Jane"}, - {"3", "Alice"}, - {"4", "Bob"}, - }) - })) - - t.Run("Processes incremental UPDATE -> INSERT -> inserted-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Jane"}, - {"3", "Bob"}, - }) - })) - - t.Run("Processes incremental UPDATE -> INSERT -> updated-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Bob"}, - {"3", "Alice"}, - }) - })) - - t.Run("Processes incremental UPDATE -> INSERT -> initial-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "Bob"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "Bob"}, - {"2", "Jane"}, - {"3", "Alice"}, - }) - })) - - t.Run("Processes incremental UPDATE -> INSERT -> full UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"1", "John Doe"}, - {"2", "Bob"}, - {"3", "Alice Smith"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 7, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 8, Operation: "append", AddedDataFiles: 1, AddedRecords: 3}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John Doe"}, - {"2", "Bob"}, - {"3", "Alice Smith"}, - }) - })) - - t.Run("Processes incremental UPDATE -> INSERT -> updated and inserted-record UPDATE", withTestIcebergTableWriter(config, func(t *testing.T, icebergTableWriter *IcebergWriterTable) { - icebergTableWriter.Write(createTestLoadRows(RefreshModeFull, TEST_ICEBERG_WRITER_INITIAL_ROWS)) - icebergTableWriter.continuedRefresh = true - - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Jane"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"3", "Alice"}, - })) - icebergTableWriter.Write(createTestLoadRows(RefreshModeIncremental, [][]string{ - {"2", "Bob"}, - {"3", "Alice Smith"}, - })) - - testManifestListFiles(t, icebergTableWriter.storage, - ManifestListFile{SequenceNumber: 1, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ManifestListFile{SequenceNumber: 2, Operation: "overwrite", DeletedDataFiles: 1, DeletedRecords: 2, AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 3, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 4, Operation: "append", AddedDataFiles: 1, AddedRecords: 1}, - ManifestListFile{SequenceNumber: 5, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 6, Operation: "delete", DeletedDataFiles: 1, DeletedRecords: 1}, - ManifestListFile{SequenceNumber: 7, Operation: "append", AddedDataFiles: 1, AddedRecords: 2}, - ) - testRecords(t, duckdb, [][]string{ - {"1", "John"}, - {"2", "Bob"}, - {"3", "Alice Smith"}, - }) - })) - }) -} - -// --------------------------------------------------------------------------------------------------------------------- - -func withTestIcebergTableWriter(config *Config, testFunc func(t *testing.T, icebergTableWriter *IcebergWriterTable)) func(*testing.T) { - return func(t *testing.T) { - icebergTableWriter := NewIcebergWriterTable(config, TEST_ICEBERG_WRITER_SCHEMA_TABLE, TEST_ICEBERG_WRITER_PG_SCHEMA_COLUMNS, 777, MAX_PARQUET_PAYLOAD_THRESHOLD, false) - - testFunc(t, icebergTableWriter) - - icebergTableWriter.storage.DeleteSchema(TEST_ICEBERG_WRITER_SCHEMA_TABLE.Schema) - } -} - -func createTestLoadRows(refreshMode RefreshMode, testRows [][]string) func() ([][]string, InternalTableMetadata) { - internalTableMetadata := InternalTableMetadata{ - LastSyncedAt: 123, - LastRefreshMode: refreshMode, - MaxXmin: &TEST_XMIN1, - } - - loadedAllRows := false - return func() ([][]string, InternalTableMetadata) { - if loadedAllRows { - return [][]string{}, internalTableMetadata - } - loadedAllRows = true - return testRows, internalTableMetadata - } -} - -func createTestLoadRowsByOne(refreshMode RefreshMode, testRows [][]string) func() ([][]string, InternalTableMetadata) { - var inProgressRefreshMode RefreshMode - if refreshMode == RefreshModeFull { - inProgressRefreshMode = RefreshModeFullInProgress - } else { - inProgressRefreshMode = RefreshModeIncrementalInProgress - } - - internalTableMetadata := InternalTableMetadata{ - LastSyncedAt: 123, - LastRefreshMode: inProgressRefreshMode, - MaxXmin: &TEST_XMIN1, - } - - loadedRowIndex := -1 - return func() ([][]string, InternalTableMetadata) { - if loadedRowIndex == len(testRows)-1 { - return [][]string{}, internalTableMetadata - } - - row := testRows[loadedRowIndex+1] - - loadedRowIndex++ - if loadedRowIndex == len(testRows)-1 { - internalTableMetadata.LastRefreshMode = refreshMode - } - - return [][]string{row}, internalTableMetadata - } -} - -func overrideTestInternalTableMetadata(t *testing.T, storage StorageInterface, internalTableMetadata InternalTableMetadata) { - metadataDirPath := storage.CreateMetadataDir(TEST_ICEBERG_WRITER_SCHEMA_TABLE) - err := storage.WriteInternalTableMetadata(metadataDirPath, internalTableMetadata) - if err != nil { - t.Fatalf("Failed to write internal table metadata: %v", err) - } -} - -func testManifestListFiles(t *testing.T, storage StorageInterface, expectedManifestListFiles ...ManifestListFile) { - metadataDirPath := storage.CreateMetadataDir(TEST_ICEBERG_WRITER_SCHEMA_TABLE) - manifestListFiles, err := storage.ExistingManifestListFiles(metadataDirPath) - if err != nil { - t.Fatalf("Error reading manifest list files: %v", err) - } - - if len(manifestListFiles) != len(expectedManifestListFiles) { - t.Fatalf("Expected %d manifest list files, got %d", len(expectedManifestListFiles), len(manifestListFiles)) - } - - for i, expectedManifestListFile := range expectedManifestListFiles { - actualManifestListFile := manifestListFiles[i] - if actualManifestListFile.SequenceNumber != expectedManifestListFile.SequenceNumber { - t.Fatalf("Expected sequence number %d, got %d", expectedManifestListFile.SequenceNumber, actualManifestListFile.SequenceNumber) - } - if actualManifestListFile.Operation != expectedManifestListFile.Operation { - t.Fatalf("Expected operation '%s', got '%s' (sequence number %d)", expectedManifestListFile.Operation, actualManifestListFile.Operation, actualManifestListFile.SequenceNumber) - } - if actualManifestListFile.AddedDataFiles != expectedManifestListFile.AddedDataFiles { - t.Fatalf("Expected %d added data files, got %d (sequence number %d)", expectedManifestListFile.AddedDataFiles, actualManifestListFile.AddedDataFiles, actualManifestListFile.SequenceNumber) - } - if actualManifestListFile.AddedRecords != expectedManifestListFile.AddedRecords { - t.Fatalf("Expected %d added records, got %d (sequence number %d)", expectedManifestListFile.AddedRecords, actualManifestListFile.AddedRecords, actualManifestListFile.SequenceNumber) - } - if actualManifestListFile.DeletedDataFiles != expectedManifestListFile.DeletedDataFiles { - t.Fatalf("Expected %d deleted data files, got %d (sequence number %d)", expectedManifestListFile.DeletedDataFiles, actualManifestListFile.DeletedDataFiles, actualManifestListFile.SequenceNumber) - } - if actualManifestListFile.DeletedRecords != expectedManifestListFile.DeletedRecords { - t.Fatalf("Expected %d deleted records, got %d (sequence number %d)", expectedManifestListFile.DeletedRecords, actualManifestListFile.DeletedRecords, actualManifestListFile.SequenceNumber) - } - } -} - -func testRecords(t *testing.T, duckdb *Duckdb, expectedRecords [][]string) { - icebergReader := NewIcebergReader(duckdb.config) - metadataFilePath := icebergReader.MetadataFilePath(TEST_ICEBERG_WRITER_SCHEMA_TABLE) - - rows, err := duckdb.QueryContext(context.Background(), "SELECT id::text, COALESCE(name, '"+PG_NULL_STRING+"') FROM iceberg_scan('"+metadataFilePath+"', skip_schema_inference = true) ORDER BY id") - if err != nil { - t.Fatalf("Error querying DuckDB: %v", err) - } - defer rows.Close() - - actualRecords := [][]string{} - for rows.Next() { - row := make([]string, len(expectedRecords[0])) - err := rows.Scan(&row[0], &row[1]) - if err != nil { - t.Fatalf("Error scanning row: %v", err) - } - actualRecords = append(actualRecords, row) - } - - if len(actualRecords) != len(expectedRecords) { - t.Fatalf("Expected %d records, got %d", len(expectedRecords), len(actualRecords)) - } - - for i, expectedRecord := range expectedRecords { - actualRecord := actualRecords[i] - for j, expectedValue := range expectedRecord { - if actualRecord[j] != expectedValue { - t.Fatalf("Expected value '%s' at %d, got '%s'", expectedValue, i, actualRecord[j]) - } - } - } -} - -func testInternalTableMetadata(t *testing.T, storage StorageInterface, expectedInternalTableMetadata InternalTableMetadata) { - actualInternalTableMetadata, err := storage.InternalTableMetadata(PgSchemaTable{ - Schema: TEST_ICEBERG_WRITER_SCHEMA_TABLE.Schema, - Table: TEST_ICEBERG_WRITER_SCHEMA_TABLE.Table, - }) - if err != nil { - t.Fatalf("Error reading internal table metadata: %v", err) - } - - if actualInternalTableMetadata.LastSyncedAt != expectedInternalTableMetadata.LastSyncedAt { - t.Fatalf("Expected LastSyncedAt %d, got %d", expectedInternalTableMetadata.LastSyncedAt, actualInternalTableMetadata.LastSyncedAt) - } - if actualInternalTableMetadata.LastRefreshMode != expectedInternalTableMetadata.LastRefreshMode { - t.Fatalf("Expected LastRefreshMode %s, got %s", expectedInternalTableMetadata.LastRefreshMode, actualInternalTableMetadata.LastRefreshMode) - } - if *actualInternalTableMetadata.MaxXmin != *expectedInternalTableMetadata.MaxXmin { - t.Fatalf("Expected MaxXmin %v, got %v", expectedInternalTableMetadata.MaxXmin, actualInternalTableMetadata.MaxXmin) - } -} diff --git a/src/init_test.go b/src/init_test.go deleted file mode 100644 index c227db2..0000000 --- a/src/init_test.go +++ /dev/null @@ -1,443 +0,0 @@ -package main - -import ( - "flag" - "os" -) - -var PUBLIC_SCHEMA_TEST_TABLE_PG_SCHEMA_COLUMNS = []PgSchemaColumn{ - { - ColumnName: "id", - DataType: "integer", - UdtName: "int4", - IsNullable: "NO", - NumericPrecision: "32", - Namespace: "pg_catalog", - }, - { - ColumnName: "bit_column", - DataType: "bit", - UdtName: "bit", - CharacterMaximumLength: "1", - Namespace: "pg_catalog", - }, - { - ColumnName: "bool_column", - DataType: "boolean", - UdtName: "bool", - Namespace: "pg_catalog", - }, - { - ColumnName: "bpchar_column", - DataType: "character", - UdtName: "bpchar", - CharacterMaximumLength: "10", - Namespace: "pg_catalog", - }, - { - ColumnName: "varchar_column", - DataType: "character varying", - UdtName: "varchar", - CharacterMaximumLength: "255", - Namespace: "pg_catalog", - }, - { - ColumnName: "text_column", - DataType: "text", - UdtName: "text", - Namespace: "pg_catalog", - }, - { - ColumnName: "int2_column", - DataType: "smallint", - UdtName: "int2", - NumericPrecision: "16", - NumericScale: "0", - Namespace: "pg_catalog", - }, - { - ColumnName: "int4_column", - DataType: "integer", - UdtName: "int4", - NumericPrecision: "32", - NumericScale: "0", - Namespace: "pg_catalog", - }, - { - ColumnName: "int8_column", - DataType: "bigint", - UdtName: "int8", - NumericPrecision: "64", - NumericScale: "0", - Namespace: "pg_catalog", - }, - { - ColumnName: "hugeint_column", - DataType: "numeric", - UdtName: "numeric", - NumericPrecision: "20", // Will be capped to 38 - NumericScale: "0", - Namespace: "pg_catalog", - }, - { - ColumnName: "xid_column", - DataType: "xid", - UdtName: "xid", - Namespace: "pg_catalog", - }, - { - ColumnName: "xid8_column", - DataType: "xid8", - UdtName: "xid8", - Namespace: "pg_catalog", - }, - { - ColumnName: "float4_column", - DataType: "real", - UdtName: "float4", - NumericPrecision: "24", - Namespace: "pg_catalog", - }, - { - ColumnName: "float8_column", - DataType: "double precision", - UdtName: "float8", - NumericPrecision: "53", - Namespace: "pg_catalog", - }, - { - ColumnName: "numeric_column", - DataType: "numeric", - UdtName: "numeric", - NumericPrecision: "40", // Will be capped to 38 - NumericScale: "2", - Namespace: "pg_catalog", - }, - { - ColumnName: "numeric_column_without_precision", - DataType: "numeric", - UdtName: "numeric", - NumericPrecision: "0", // Will be changed to 19 - NumericScale: "0", // Will be changed to 19 - Namespace: "pg_catalog", - }, - { - ColumnName: "date_column", - DataType: "date", - UdtName: "date", - DatetimePrecision: "0", - Namespace: "pg_catalog", - }, - { - ColumnName: "time_column", - DataType: "time without time zone", - UdtName: "time", - DatetimePrecision: "6", - Namespace: "pg_catalog", - }, - { - ColumnName: "timeMsColumn", - DataType: "time without time zone", - UdtName: "time", - DatetimePrecision: "3", - Namespace: "pg_catalog", - }, - { - ColumnName: "timetz_column", - DataType: "time with time zone", - UdtName: "timetz", - DatetimePrecision: "6", - Namespace: "pg_catalog", - }, - { - ColumnName: "timetz_ms_column", - DataType: "time with time zone", - UdtName: "timetz", - DatetimePrecision: "3", - Namespace: "pg_catalog", - }, - { - ColumnName: "timestamp_column", - DataType: "timestamp without time zone", - UdtName: "timestamp", - DatetimePrecision: "6", - Namespace: "pg_catalog", - }, - { - ColumnName: "timestamp_ms_column", - DataType: "timestamp without time zone", - UdtName: "timestamp", - DatetimePrecision: "3", - Namespace: "pg_catalog", - }, - { - ColumnName: "timestamptz_column", - DataType: "timestamp with time zone", - UdtName: "timestamptz", - DatetimePrecision: "6", - Namespace: "pg_catalog", - }, - { - ColumnName: "timestamptz_ms_column", - DataType: "timestamp with time zone", - UdtName: "timestamptz", - DatetimePrecision: "3", - Namespace: "pg_catalog", - }, - { - ColumnName: "timestamptz_column_timezone_mins", - DataType: "timestamp with time zone", - UdtName: "timestamptz", - DatetimePrecision: "6", - Namespace: "pg_catalog", - }, - { - ColumnName: "uuid_column", - DataType: "uuid", - UdtName: "uuid", - Namespace: "pg_catalog", - }, - { - ColumnName: "bytea_column", - DataType: "bytea", - UdtName: "bytea", - Namespace: "pg_catalog", - }, - { - ColumnName: "interval_column", - DataType: "interval", - UdtName: "interval", - DatetimePrecision: "6", - Namespace: "pg_catalog", - }, - { - ColumnName: "tsvector_column", - DataType: "tsvector", - UdtName: "tsvector", - Namespace: "pg_catalog", - }, - { - ColumnName: "xml_column", - DataType: "xml", - UdtName: "xml", - Namespace: "pg_catalog", - }, - { - ColumnName: "pg_snapshot_column", - DataType: "pg_snapshot", - UdtName: "pg_snapshot", - Namespace: "pg_catalog", - }, - { - ColumnName: "point_column", - DataType: "point", - UdtName: "point", - Namespace: "pg_catalog", - }, - { - ColumnName: "inet_column", - DataType: "inet", - UdtName: "inet", - Namespace: "pg_catalog", - }, - { - ColumnName: "json_column", - DataType: "json", - UdtName: "json", - Namespace: "pg_catalog", - }, - { - ColumnName: "jsonb_column", - DataType: "jsonb", - UdtName: "jsonb", - Namespace: "pg_catalog", - }, - { - ColumnName: "array_text_column", - DataType: "ARRAY", - UdtName: "_text", - Namespace: "pg_catalog", - }, - { - ColumnName: "array_int_column", - DataType: "ARRAY", - UdtName: "_int4", - Namespace: "pg_catalog", - }, - { - ColumnName: "array_jsonb_column", - DataType: "ARRAY", - UdtName: "_jsonb", - Namespace: "pg_catalog", - }, - { - ColumnName: "array_ltree_column", - DataType: "ARRAY", - UdtName: "_ltree", - Namespace: "public", - }, - { - ColumnName: "user_defined_column", - DataType: "USER-DEFINED", - UdtName: "address", - Namespace: "public", - }, -} -var PUBLIC_SCHEMA_TEST_TABLE_LOADED_ROWS = [][]string{ - { - "1", // id - "1", // bit_column - "true", // bool_column - "bpchar", // bpchar_column - "varchar", // varchar_column - "text", // text_column - "32767", // int2_column - "2147483647", // int4_column - "9223372036854775807", // int8_column - "10000000000000000000", // hugeint_column - "4294967295", // xid_column - "18446744073709551615", // xid8_column - "3.14", // float4_column - "3.141592653589793", // float8_column - "12345.67", // numeric_column - "12345.67", // numeric_column_without_precision - "2021-01-01", // date_column - "12:00:00.123456", // time_column - "12:00:00.123", // timeMsColumn - "12:00:00.123456-05", // timetz_column - "12:00:00.123-05", // timetz_ms_column - "2024-01-01 12:00:00.123456", // timestamp_column - "2024-01-01 12:00:00.123", // timestamp_ms_column - "2024-01-01 12:00:00.123456-05", // timestamptz_column - "2024-01-01 12:00:00.123-05", // timestamptz_ms_column - "2024-01-01 12:00:00.123456-05:30", // timestamptz_column_timezone_mins - "58a7c845-af77-44b2-8664-7ca613d92f04", // uuid_column - "\\x1234", // bytea_column - "1 mon 2 days 01:00:01.000001", // interval_column - "'sampl':1 'text':2 'tsvector':4", // tsvector_column - "text", // xml_column - "2784:2784:", // pg_snapshot_column - "(37.347301483154,45.002101898193)", // point_column - "192.168.0.1", // inet_column - "{\"key\": \"value\"}", // json_column - "{\"key\": \"value\"}", // jsonb_column - "{one,two,three}", // array_text_column - "{1,2,3}", // array_int_column - `{"{\"key\": \"value1\"}","{\"key\": \"value2\"}"}`, // array_jsonb_column - "{\"a.b\",\"c.d\"}", // array_ltree_column - "(Toronto)", // user_defined_column - }, - { - "2", // id - PG_NULL_STRING, // bit_column - "false", // bool_column - "", // bpchar_column - PG_NULL_STRING, // varchar_column - "", // text_column - "-32767", // int2_column - PG_NULL_STRING, // int4_column - "-9223372036854775807", // int8_column - PG_NULL_STRING, // hugeint_column - PG_NULL_STRING, // xid_column - PG_NULL_STRING, // xid8_column - "NaN", // float4_column - "-3.141592653589793", // float8_column - "-12345.00", // numeric_column - PG_NULL_STRING, // numeric_column_without_precision - "20025-11-12", // date_column - "12:00:00.123", // time_column - PG_NULL_STRING, // timeMsColumn - "12:00:00.12300+05", // timetz_column - "12:00:00.1+05", // timetz_ms_column - "2024-01-01 12:00:00", // timestamp_column - PG_NULL_STRING, // timestamp_ms_column - "2024-01-01 12:00:00.000123+05", // timestamptz_column - "2024-01-01 12:00:00.12+05", // timestamptz_ms_column - "2024-01-01 12:00:00.000123+05:30", // timestamptz_column_timezone_mins - PG_NULL_STRING, // uuid_column - PG_NULL_STRING, // bytea_column - PG_NULL_STRING, // interval_column - PG_NULL_STRING, // tsvector_column - PG_NULL_STRING, // xml_column - PG_NULL_STRING, // pg_snapshot_column - PG_NULL_STRING, // point_column - PG_NULL_STRING, // inet_column - PG_NULL_STRING, // json_column - "{}", // jsonb_column - PG_NULL_STRING, // array_text_column - "{}", // array_int_column - PG_NULL_STRING, // array_jsonb_column - PG_NULL_STRING, // array_ltree_column - PG_NULL_STRING, // user_defined_column - }, -} - -var TEST_SCHEMA_EMPTY_TABLE_PG_SCHEMA_COLUMNS = []PgSchemaColumn{ - { - ColumnName: "id", - DataType: "integer", - UdtName: "int4", - IsNullable: "NO", - OrdinalPosition: "1", - CharacterMaximumLength: "0", - NumericPrecision: "32", - NumericScale: "0", - DatetimePrecision: "0", - Namespace: "pg_catalog", - }, -} -var TEST_SCHEMA_EMPTY_TABLE_LOADED_ROWS = [][]string{} - -var PUBLIC_SCHEMA_PARTITIONED_TABLE_PG_SCHEMA_COLUMNS = []PgSchemaColumn{ - { - ColumnName: "timestamp_column", - DataType: "timestamp without time zone", - UdtName: "timestamp", - IsNullable: "NO", - OrdinalPosition: "1", - CharacterMaximumLength: "0", - NumericPrecision: "0", - NumericScale: "0", - DatetimePrecision: "6", - Namespace: "pg_catalog", - }, -} -var PUBLIC_SCHEMA_PARTITIONED_TABLE1_LOADED_ROWS = [][]string{{"2024-01-01 01:02:03.123456"}} -var PUBLIC_SCHEMA_PARTITIONED_TABLE2_LOADED_ROWS = [][]string{{"2024-02-12 11:12:13"}} -var PUBLIC_SCHEMA_PARTITIONED_TABLE3_LOADED_ROWS = [][]string{{"2024-03-30 23:59:59"}} - -func init() { - loadTestConfig() - - for i := range PUBLIC_SCHEMA_TEST_TABLE_PG_SCHEMA_COLUMNS { - PUBLIC_SCHEMA_TEST_TABLE_PG_SCHEMA_COLUMNS[i].OrdinalPosition = IntToString(i + 1) - if PUBLIC_SCHEMA_TEST_TABLE_PG_SCHEMA_COLUMNS[i].IsNullable == "" { - PUBLIC_SCHEMA_TEST_TABLE_PG_SCHEMA_COLUMNS[i].IsNullable = "YES" - } - } -} - -func loadTestConfig() *Config { - setTestArgs([]string{}) - - config := LoadConfig(true) - config.User = "bemidb" - config.EncryptedPassword = "bemidb-encrypted" - config.StorageType = STORAGE_TYPE_LOCAL - config.StoragePath = "../iceberg-test" - config.LogLevel = "ERROR" - config.DisableAnonymousAnalytics = true - config.Pg.DatabaseUrl = "postgresql://postgres:postgres@localhost:5432/dbname" - - return config -} - -func setTestArgs(args []string) { - // Reset state - _config = Config{} - _configParseValues = configParseValues{} - - os.Args = append([]string{"cmd"}, args...) - flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError) - registerFlags() -} diff --git a/src/main.go b/src/main.go deleted file mode 100644 index c128899..0000000 --- a/src/main.go +++ /dev/null @@ -1,108 +0,0 @@ -package main - -import ( - "flag" - "fmt" - "log" - "net/http" - _ "net/http/pprof" - "time" -) - -const ( - COMMAND_START = "start" - COMMAND_SYNC = "sync" - COMMAND_VERSION = "version" -) - -func main() { - config := LoadConfig() - defer handlePanic(config) - - if config.LogLevel == LOG_LEVEL_TRACE { - go enableProfiling() - } - - command := flag.Arg(0) - if len(flag.Args()) == 0 { - command = COMMAND_START - } - - switch command { - case COMMAND_START: - LogDebug(config, "Starting BemiDB v"+VERSION) - start(config) - case COMMAND_SYNC: - LogDebug(config, "Syncing with BemiDB v"+VERSION) - if config.Pg.SyncInterval != "" { - duration, err := time.ParseDuration(config.Pg.SyncInterval) - if err != nil { - PrintErrorAndExit(config, "Invalid interval format: "+config.Pg.SyncInterval+".\n\n"+ - "Supported formats: 1h, 20m, 30s.\n"+ - "See https://github.com/BemiHQ/BemiDB#sync-command-options for more information.", - ) - - } - LogInfo(config, "Starting sync loop with interval:", config.Pg.SyncInterval) - for { - syncFromPg(config) - LogInfo(config, "Sleeping for", config.Pg.SyncInterval) - time.Sleep(duration) - } - } else { - syncFromPg(config) - } - case COMMAND_VERSION: - fmt.Println("BemiDB version:", VERSION) - default: - PrintErrorAndExit(config, "Unknown command: "+command+".\n\n"+ - "Supported commands: "+COMMAND_START+", "+COMMAND_SYNC+", "+COMMAND_VERSION+".\n"+ - "See https://github.com/BemiHQ/BemiDB#quickstart for more information.", - ) - } -} - -func start(config *Config) { - tcpListener := NewTcpListener(config) - LogInfo(config, "BemiDB: Listening on", tcpListener.Addr()) - - duckdb := NewDuckdb(config, true) - LogInfo(config, "DuckDB: Connected") - defer duckdb.Close() - - icebergReader := NewIcebergReader(config) - duckdb.ExecFile(icebergReader.InternalStartSqlFile()) - - queryHandler := NewQueryHandler(config, duckdb, icebergReader) - - for { - conn := AcceptConnection(config, tcpListener) - LogInfo(config, "BemiDB: Accepted connection from", conn.RemoteAddr()) - postgres := NewPostgres(config, &conn) - - go func() { - postgres.Run(queryHandler) - defer postgres.Close() - LogInfo(config, "BemiDB: Closed connection from", conn.RemoteAddr()) - }() - } -} - -func syncFromPg(config *Config) { - syncer := NewSyncer(config) - syncer.SyncFromPostgres() - LogInfo(config, "Sync from PostgreSQL completed successfully.") -} - -func enableProfiling() { - func() { log.Println(http.ListenAndServe(":6060", nil)) }() -} - -func handlePanic(config *Config) { - func() { - if r := recover(); r != nil { - err, _ := r.(error) - HandleUnexpectedError(config, err) - } - }() -} diff --git a/src/parser_a_expr.go b/src/parser_a_expr.go deleted file mode 100644 index fd01f0e..0000000 --- a/src/parser_a_expr.go +++ /dev/null @@ -1,89 +0,0 @@ -package main - -import ( - "strings" - - pgQuery "github.com/pganalyze/pg_query_go/v5" -) - -type ParserAExpr struct { - config *Config - utils *ParserUtils -} - -func NewParserAExpr(config *Config) *ParserAExpr { - return &ParserAExpr{ - config: config, - utils: NewParserUtils(config), - } -} - -func (parser *ParserAExpr) AExpr(node *pgQuery.Node) *pgQuery.A_Expr { - return node.GetAExpr() -} - -// = ANY({schema_information}) -> IN (schema_information) -func (parser *ParserAExpr) ConvertedRightAnyToIn(node *pgQuery.Node) *pgQuery.Node { - aExpr := parser.AExpr(node) - - if aExpr.Kind != pgQuery.A_Expr_Kind_AEXPR_OP_ANY { - return node - } - - if aExpr.Rexpr.GetAConst() == nil { - // NOTE: ... = ANY() on non-constants is not fully supported yet - return parser.utils.MakeNullNode() - } - - arrayStr := aExpr.Rexpr.GetAConst().GetSval().Sval - arrayStr = strings.Trim(arrayStr, "{}") - values := strings.Split(arrayStr, ",") - - items := make([]*pgQuery.Node, len(values)) - for i, value := range values { - value = strings.Trim(value, " ") - items[i] = &pgQuery.Node{ - Node: &pgQuery.Node_AConst{ - AConst: &pgQuery.A_Const{ - Val: &pgQuery.A_Const_Sval{ - Sval: &pgQuery.String{ - Sval: value, - }, - }, - Location: 0, - }, - }, - } - } - - return &pgQuery.Node{ - Node: &pgQuery.Node_AExpr{ - AExpr: &pgQuery.A_Expr{ - Kind: pgQuery.A_Expr_Kind_AEXPR_IN, - Name: []*pgQuery.Node{{Node: &pgQuery.Node_String_{String_: &pgQuery.String{Sval: "="}}}}, - Lexpr: aExpr.Lexpr, - Rexpr: &pgQuery.Node{ - Node: &pgQuery.Node_List{ - List: &pgQuery.List{ - Items: items, - }, - }, - }, - Location: aExpr.Location, - }, - }, - } -} - -// pg_catalog.[operator] -> [operator] -func (parser *ParserAExpr) RemovePgCatalog(node *pgQuery.Node) { - aExpr := parser.AExpr(node) - - if aExpr == nil || aExpr.Kind != pgQuery.A_Expr_Kind_AEXPR_OP { - return - } - - if len(aExpr.Name) == 2 && aExpr.Name[0].GetString_().Sval == PG_SCHEMA_PG_CATALOG { - aExpr.Name = aExpr.Name[1:] // Remove the first element - } -} diff --git a/src/parser_select.go b/src/parser_select.go deleted file mode 100644 index 079d922..0000000 --- a/src/parser_select.go +++ /dev/null @@ -1,22 +0,0 @@ -package main - -import ( - pgQuery "github.com/pganalyze/pg_query_go/v5" -) - -type ParserSelect struct { - config *Config - utils *ParserUtils -} - -func NewParserSelect(config *Config) *ParserSelect { - return &ParserSelect{config: config, utils: NewParserUtils(config)} -} - -func (parser *ParserSelect) SetDefaultTargetName(targetNode *pgQuery.Node, name string) { - target := targetNode.GetResTarget() - - if target.Name == "" { - target.Name = name - } -} diff --git a/src/parser_table.go b/src/parser_table.go deleted file mode 100644 index ad7df8a..0000000 --- a/src/parser_table.go +++ /dev/null @@ -1,117 +0,0 @@ -package main - -import ( - pgQuery "github.com/pganalyze/pg_query_go/v5" -) - -type QueryToIcebergTable struct { - QuerySchemaTable QuerySchemaTable - IcebergTablePath string -} - -type ParserTable struct { - config *Config - utils *ParserUtils -} - -func NewParserTable(config *Config) *ParserTable { - return &ParserTable{config: config, utils: NewParserUtils(config)} -} - -func (parser *ParserTable) NodeToQuerySchemaTable(node *pgQuery.Node) QuerySchemaTable { - rangeVar := node.GetRangeVar() - var alias string - - if rangeVar.Alias != nil { - alias = rangeVar.Alias.Aliasname - } - - return QuerySchemaTable{ - Schema: rangeVar.Schemaname, - Table: rangeVar.Relname, - Alias: alias, - } -} - -func (parser *ParserTable) RemapSchemaToMain(node *pgQuery.Node) { - node.GetRangeVar().Schemaname = DUCKDB_SCHEMA_MAIN -} - -// Other information_schema.* tables -func (parser *ParserTable) IsTableFromInformationSchema(qSchemaTable QuerySchemaTable) bool { - return qSchemaTable.Schema == PG_SCHEMA_INFORMATION_SCHEMA -} - -// public.table -> FROM iceberg_scan('path', skip_schema_inference = true) table -// schema.table -> FROM iceberg_scan('path', skip_schema_inference = true) schema_table -func (parser *ParserTable) MakeIcebergTableNode(queryToIcebergTable QueryToIcebergTable) *pgQuery.Node { - node := pgQuery.MakeSimpleRangeFunctionNode([]*pgQuery.Node{ - pgQuery.MakeListNode([]*pgQuery.Node{ - pgQuery.MakeFuncCallNode( - []*pgQuery.Node{ - pgQuery.MakeStrNode("iceberg_scan"), - }, - []*pgQuery.Node{ - pgQuery.MakeAConstStrNode( - queryToIcebergTable.IcebergTablePath, - 0, - ), - pgQuery.MakeAExprNode( - pgQuery.A_Expr_Kind_AEXPR_OP, - []*pgQuery.Node{pgQuery.MakeStrNode("=")}, - pgQuery.MakeColumnRefNode([]*pgQuery.Node{pgQuery.MakeStrNode("skip_schema_inference")}, 0), - parser.utils.MakeAConstBoolNode(true), - 0, - ), - }, - 0, - ), - }), - }) - - // DuckDB doesn't support aliases on iceberg_scan() functions, so we need to wrap it in a nested select that can have an alias - selectStarNode := pgQuery.MakeResTargetNodeWithVal( - pgQuery.MakeColumnRefNode( - []*pgQuery.Node{pgQuery.MakeAStarNode()}, - 0, - ), - 0, - ) - return parser.utils.MakeSubselectFromNode(queryToIcebergTable.QuerySchemaTable, []*pgQuery.Node{selectStarNode}, node) -} - -func (parser *ParserTable) TopLevelSchemaFunction(rangeFunction *pgQuery.RangeFunction) *QuerySchemaFunction { - if len(rangeFunction.Functions) == 0 || len(rangeFunction.Functions[0].GetList().Items) == 0 { - return nil - } - - functionNode := rangeFunction.Functions[0].GetList().Items[0] - if functionNode.GetFuncCall() == nil { - return nil // E.g., system PG calls like "... FROM user" => sqlvalue_function:{op:SVFOP_USER} - } - - return parser.utils.SchemaFunction(functionNode.GetFuncCall()) -} - -func (parser *ParserTable) TableFunctionCalls(rangeFunction *pgQuery.RangeFunction) []*pgQuery.FuncCall { - functionCalls := []*pgQuery.FuncCall{} - - for _, funcNode := range rangeFunction.Functions { - for _, funcItemNode := range funcNode.GetList().Items { - functionCall := funcItemNode.GetFuncCall() - if functionCall != nil { - functionCalls = append(functionCalls, functionCall) - } - } - } - - return functionCalls -} - -func (parser *ParserTable) SetAliasIfNotExists(rangeFunction *pgQuery.RangeFunction, alias string) { - if rangeFunction.GetAlias() != nil { - return - } - - rangeFunction.Alias = &pgQuery.Alias{Aliasname: alias} -} diff --git a/src/parser_utils.go b/src/parser_utils.go deleted file mode 100644 index 1214051..0000000 --- a/src/parser_utils.go +++ /dev/null @@ -1,86 +0,0 @@ -package main - -import ( - pgQuery "github.com/pganalyze/pg_query_go/v5" -) - -type ParserUtils struct { - config *Config -} - -func NewParserUtils(config *Config) *ParserUtils { - return &ParserUtils{config: config} -} - -func (utils *ParserUtils) SchemaFunction(functionCall *pgQuery.FuncCall) *QuerySchemaFunction { - switch len(functionCall.Funcname) { - case 1: - return &QuerySchemaFunction{ - Schema: "", - Function: functionCall.Funcname[0].GetString_().Sval, - } - case 2: - return &QuerySchemaFunction{ - Schema: functionCall.Funcname[0].GetString_().Sval, - Function: functionCall.Funcname[1].GetString_().Sval, - } - default: - Panic(utils.config, "Invalid function call") - return nil - } -} - -func (utils *ParserUtils) MakeSubselectFromNode(qSchemaTable QuerySchemaTable, targetList []*pgQuery.Node, fromNode *pgQuery.Node) *pgQuery.Node { - alias := qSchemaTable.Alias - if alias == "" { - if qSchemaTable.Schema == PG_SCHEMA_PUBLIC || qSchemaTable.Schema == "" { - alias = qSchemaTable.Table - } else { - alias = qSchemaTable.Schema + "_" + qSchemaTable.Table - } - } - - return &pgQuery.Node{ - Node: &pgQuery.Node_RangeSubselect{ - RangeSubselect: &pgQuery.RangeSubselect{ - Subquery: &pgQuery.Node{ - Node: &pgQuery.Node_SelectStmt{ - SelectStmt: &pgQuery.SelectStmt{ - TargetList: targetList, - FromClause: []*pgQuery.Node{fromNode}, - }, - }, - }, - Alias: &pgQuery.Alias{ - Aliasname: alias, - }, - }, - }, - } -} - -func (utils *ParserUtils) MakeAConstBoolNode(val bool) *pgQuery.Node { - return &pgQuery.Node{ - Node: &pgQuery.Node_AConst{ - AConst: &pgQuery.A_Const{ - Val: &pgQuery.A_Const_Boolval{ - Boolval: &pgQuery.Boolean{ - Boolval: val, - }, - }, - Isnull: false, - Location: 0, - }, - }, - } -} - -func (utils *ParserUtils) MakeNullNode() *pgQuery.Node { - return &pgQuery.Node{ - Node: &pgQuery.Node_AConst{ - AConst: &pgQuery.A_Const{ - Isnull: true, - }, - }, - } -} diff --git a/src/pg_schema_column.go b/src/pg_schema_column.go deleted file mode 100644 index 1252db4..0000000 --- a/src/pg_schema_column.go +++ /dev/null @@ -1,430 +0,0 @@ -package main - -import ( - "encoding/csv" - "math" - "strconv" - "strings" - "time" -) - -const ( - PG_NULL_STRING = "BEMIDB_NULL" - PG_TRUE = "YES" - PG_FALSE = "FALSE" - - PG_DATA_TYPE_ARRAY = "ARRAY" - - PARQUET_SCHEMA_REPETITION_TYPE_REQUIRED = "REQUIRED" - PARQUET_SCHEMA_REPETITION_TYPE_OPTIONAL = "OPTIONAL" - - PARQUET_NAN = "NaN" - PARQUET_MAX_DECIMAL_PRECISION = 38 - - // 0000-01-01 00:00:00 +0000 UTC - EPOCH_TIME_MS = -62167219200000 -) - -type PgSchemaColumn struct { - ColumnName string - DataType string - UdtName string - IsNullable string - OrdinalPosition string - CharacterMaximumLength string - NumericPrecision string - NumericScale string - DatetimePrecision string - Namespace string - PartOfPrimaryKey bool - config *Config -} - -// Parquet doesn't allow commas in column names -func (pgSchemaColumn PgSchemaColumn) NormalizedColumnName() string { - return strings.ReplaceAll(pgSchemaColumn.ColumnName, ",", "_") -} - -func NewPgSchemaColumn(config *Config) *PgSchemaColumn { - return &PgSchemaColumn{ - config: config, - } -} - -type ParquetSchemaField struct { - Name string - Type string - RepetitionType string - FieldId string - Length string - ConvertedType string - Scale string - Precision string - NestedType string - NestedConvertedType string -} - -type IcebergSchemaField struct { - Id int `json:"id"` - Name string `json:"name"` - Type interface{} `json:"type"` - Required bool `json:"required"` -} - -func (pgSchemaColumn PgSchemaColumn) ToParquetSchemaFieldMap() map[string]interface{} { - field := pgSchemaColumn.toParquetSchemaField() - - tagKeyVals := []string{ - "name=" + field.Name, - "type=" + field.Type, - "repetitiontype=" + field.RepetitionType, - "fieldid=" + field.FieldId, - } - - if field.Length != "" { - tagKeyVals = append(tagKeyVals, "length="+field.Length) - } - if field.ConvertedType != "" { - tagKeyVals = append(tagKeyVals, "convertedtype="+field.ConvertedType) - } - if field.Scale != "" { - tagKeyVals = append(tagKeyVals, "scale="+field.Scale) - } - if field.Precision != "" { - tagKeyVals = append(tagKeyVals, "precision="+field.Precision) - } - - result := map[string]interface{}{ - "Tag": strings.Join(tagKeyVals, ", "), - } - - if field.NestedType != "" { - nestedTagKeyVals := []string{ - "name=element", - "type=" + field.NestedType, - } - - if field.NestedConvertedType != "" { - nestedTagKeyVals = append(nestedTagKeyVals, "convertedtype="+field.NestedConvertedType) - } - - result["Fields"] = []map[string]interface{}{ - {"Tag": strings.Join(nestedTagKeyVals, ", ")}, - } - } - - return result -} - -func (pgSchemaColumn PgSchemaColumn) ToIcebergSchemaFieldMap() IcebergSchemaField { - icebergSchemaField := IcebergSchemaField{} - - id, err := StringToInt(pgSchemaColumn.OrdinalPosition) - if err != nil { - Panic(pgSchemaColumn.config, err.Error()) - } - - icebergSchemaField.Id = id - icebergSchemaField.Name = pgSchemaColumn.NormalizedColumnName() - - if pgSchemaColumn.IsNullable == PG_TRUE { - icebergSchemaField.Required = false - } else { - icebergSchemaField.Required = true - } - - primitiveType := pgSchemaColumn.icebergPrimitiveType() - if pgSchemaColumn.DataType == PG_DATA_TYPE_ARRAY { - icebergSchemaField.Type = map[string]interface{}{ - "type": "list", - "element": primitiveType, - "element-id": pgSchemaColumn.OrdinalPosition, - "element-required": false, - } - } else { - icebergSchemaField.Type = primitiveType - } - - return icebergSchemaField -} - -func (pgSchemaColumn *PgSchemaColumn) FormatParquetValue(value string) interface{} { - if value == PG_NULL_STRING { - return nil - } - - if pgSchemaColumn.DataType == PG_DATA_TYPE_ARRAY { - var values []interface{} - - csvString := strings.TrimPrefix(value, "{") - csvString = strings.TrimSuffix(csvString, "}") - if csvString == "" { - return values - } - - // Replace escaped double quotes with double quotes according to CSV format rules - csvString = strings.ReplaceAll(csvString, "\\\"", "\"\"") - csvReader := csv.NewReader(strings.NewReader(csvString)) - stringValues, err := csvReader.Read() - PanicIfError(pgSchemaColumn.config, err) - - for _, stringValue := range stringValues { - values = append(values, pgSchemaColumn.parquetPrimitiveValue(stringValue)) - } - - return values - } - - return pgSchemaColumn.parquetPrimitiveValue(value) -} - -func (pgSchemaColumn *PgSchemaColumn) toParquetSchemaField() ParquetSchemaField { - primitiveType, primitiveConvertedType := pgSchemaColumn.parquetPrimitiveTypes() - - parquetSchemaField := ParquetSchemaField{ - Name: pgSchemaColumn.NormalizedColumnName(), - FieldId: pgSchemaColumn.OrdinalPosition, - Type: primitiveType, - ConvertedType: primitiveConvertedType, - } - - // Set RepetitionType - if pgSchemaColumn.IsNullable == PG_TRUE { - parquetSchemaField.RepetitionType = PARQUET_SCHEMA_REPETITION_TYPE_OPTIONAL - } else { - parquetSchemaField.RepetitionType = PARQUET_SCHEMA_REPETITION_TYPE_REQUIRED - } - - // Set other field properties - switch pgSchemaColumn.UdtName { - case "numeric": - scale, err := StringToInt(pgSchemaColumn.NumericScale) - PanicIfError(pgSchemaColumn.config, err) - precision, err := StringToInt(pgSchemaColumn.NumericPrecision) - PanicIfError(pgSchemaColumn.config, err) - if precision > PARQUET_MAX_DECIMAL_PRECISION { - precision = PARQUET_MAX_DECIMAL_PRECISION - } else if precision == 0 { - precision = PARQUET_MAX_DECIMAL_PRECISION / 2 - scale = PARQUET_MAX_DECIMAL_PRECISION / 2 - } - - parquetSchemaField.Scale = IntToString(scale) - parquetSchemaField.Precision = IntToString(precision) - parquetSchemaField.Length = IntToString(scale + precision) - default: - if pgSchemaColumn.DataType == PG_DATA_TYPE_ARRAY { - parquetSchemaField.NestedType = parquetSchemaField.Type - parquetSchemaField.NestedConvertedType = parquetSchemaField.ConvertedType - parquetSchemaField.Type = "LIST" - parquetSchemaField.ConvertedType = "" - } - } - - return parquetSchemaField -} - -func (pgSchemaColumn *PgSchemaColumn) parquetPrimitiveValue(value string) interface{} { - switch strings.TrimLeft(pgSchemaColumn.UdtName, "_") { - case "varchar", "char", "text", "bit", "bytea", "jsonb", "json", "numeric", "uuid", "interval", - "point", "line", "lseg", "box", "path", "polygon", "circle", - "cidr", "inet", "macaddr", "macaddr8", - "tsvector", "xml", "pg_snapshot": - return value - case "bpchar": - trimmedValue := strings.TrimRight(value, " ") - return trimmedValue - case "int2", "int4": - intValue, err := StringToInt(value) - PanicIfError(pgSchemaColumn.config, err) - return int32(intValue) - case "int8": - intValue, err := strconv.ParseInt(value, 10, 64) - PanicIfError(pgSchemaColumn.config, err) - return intValue - case "xid": - intValue, err := strconv.ParseUint(value, 10, 32) - PanicIfError(pgSchemaColumn.config, err) - return intValue - case "xid8": - intValue, err := strconv.ParseUint(value, 10, 64) - PanicIfError(pgSchemaColumn.config, err) - return intValue - case "float4": - floatValue, err := strconv.ParseFloat(value, 32) - PanicIfError(pgSchemaColumn.config, err) - if math.IsNaN(floatValue) { - return PARQUET_NAN - } - return float32(floatValue) - case "float8": - floatValue, err := strconv.ParseFloat(value, 64) - PanicIfError(pgSchemaColumn.config, err) - if math.IsNaN(floatValue) { - return PARQUET_NAN - } - return floatValue - case "bool": - boolValue, err := strconv.ParseBool(value) - PanicIfError(pgSchemaColumn.config, err) - return boolValue - case "timestamp": - if pgSchemaColumn.DatetimePrecision == "6" { - parsedTime, err := time.Parse("2006-01-02 15:04:05.999999", value) - PanicIfError(pgSchemaColumn.config, err) - return parsedTime.UnixMicro() - } else { - parsedTime, err := time.Parse("2006-01-02 15:04:05.999", value) - PanicIfError(pgSchemaColumn.config, err) - return parsedTime.UnixMilli() - } - case "timestamptz": - if pgSchemaColumn.DatetimePrecision == "6" { - parsedTime, err := time.Parse("2006-01-02 15:04:05.999999-07:00", value) - if err != nil { - parsedTime, err = time.Parse("2006-01-02 15:04:05.999999-07", value) - PanicIfError(pgSchemaColumn.config, err) - } - return parsedTime.UnixMicro() - } else { - parsedTime, err := time.Parse("2006-01-02 15:04:05.999-07:00", value) - if err != nil { - parsedTime, err = time.Parse("2006-01-02 15:04:05.999-07", value) - PanicIfError(pgSchemaColumn.config, err) - } - return parsedTime.UnixMilli() - } - case "time": - if pgSchemaColumn.DatetimePrecision == "6" { - parsedTime, err := time.Parse("15:04:05.999999", value) - PanicIfError(pgSchemaColumn.config, err) - return int64(-EPOCH_TIME_MS*1000 + parsedTime.UnixMicro()) - } else { - parsedTime, err := time.Parse("15:04:05.999", value) - PanicIfError(pgSchemaColumn.config, err) - return -EPOCH_TIME_MS + parsedTime.UnixMilli() - } - case "timetz": - if pgSchemaColumn.DatetimePrecision == "6" { - parsedTime, err := time.Parse("15:04:05.999999-07", value) - PanicIfError(pgSchemaColumn.config, err) - return int64(-EPOCH_TIME_MS*1000 + parsedTime.UnixMicro()) - } else { - parsedTime, err := time.Parse("15:04:05.999-07", value) - PanicIfError(pgSchemaColumn.config, err) - return -EPOCH_TIME_MS + parsedTime.UnixMilli() - } - case "date": - parsedTime, err := StringDateToTime(value) - PanicIfError(pgSchemaColumn.config, err) - return parsedTime.Unix() / 86400 - default: - // User-defined types - if pgSchemaColumn.Namespace != PG_SCHEMA_PG_CATALOG { - return value - } - } - - Panic(pgSchemaColumn.config, "Unsupported PostgreSQL value: "+value) - return nil -} - -func (pgSchemaColumn *PgSchemaColumn) parquetPrimitiveTypes() (primitiveType string, primitiveConvertedType string) { - switch strings.TrimLeft(pgSchemaColumn.UdtName, "_") { - case "varchar", "char", "text", "bpchar", "bit", "bytea", "interval", "jsonb", "json", - "point", "line", "lseg", "box", "path", "polygon", "circle", - "cidr", "inet", "macaddr", "macaddr8", - "uuid", // DuckDB doesn't support BLOB (FIXED_LEN_BYTE_ARRAY) -> UUID type casting, use a string instead - "tsvector", "xml", "pg_snapshot": - return "BYTE_ARRAY", "UTF8" - case "date": - return "INT32", "DATE" - case "int2", "int4": - return "INT32", "" - case "int8": - return "INT64", "" - case "float4": - return "FLOAT", "" - case "float8": - return "DOUBLE", "" - case "numeric": - return "FIXED_LEN_BYTE_ARRAY", "DECIMAL" - case "xid": - return "INT32", "UINT_32" - case "xid8": - return "INT64", "UINT_64" - case "bool": - return "BOOLEAN", "" - case "time", "timetz": - if pgSchemaColumn.DatetimePrecision == "6" { - return "INT64", "TIME_MICROS" - } else { - return "INT32", "TIME_MILLIS" - } - case "timestamp", "timestamptz": - if pgSchemaColumn.DatetimePrecision == "6" { - return "INT64", "TIMESTAMP_MICROS" - } else { - return "INT64", "TIMESTAMP_MILLIS" - } - default: - // User-defined types - if pgSchemaColumn.Namespace != PG_SCHEMA_PG_CATALOG { - return "BYTE_ARRAY", "UTF8" - } - } - - Panic(pgSchemaColumn.config, "Unsupported PostgreSQL type: "+pgSchemaColumn.UdtName) - return "", "" -} - -func (pgSchemaColumn *PgSchemaColumn) icebergPrimitiveType() string { - switch strings.TrimLeft(pgSchemaColumn.UdtName, "_") { - case "varchar", "char", "text", "interval", "jsonb", "json", "bpchar", "bit", - "point", "line", "lseg", "box", "path", "polygon", "circle", - "cidr", "inet", "macaddr", "macaddr8", - "tsvector", "xml", "pg_snapshot": - return "string" - case "uuid": - return "uuid" - case "int2", "int4", "xid": - return "int" - case "int8", "xid8": - return "long" - case "float4", "float8": - return "float" - case "numeric": - if pgSchemaColumn.NumericScale == "0" { - return "decimal" - } - - precision, err := StringToInt(pgSchemaColumn.NumericPrecision) - PanicIfError(pgSchemaColumn.config, err) - if precision > PARQUET_MAX_DECIMAL_PRECISION { - precision = PARQUET_MAX_DECIMAL_PRECISION - } - return "decimal(" + IntToString(precision) + ", " + pgSchemaColumn.NumericScale + ")" - case "bool": - return "boolean" - case "date": - return "date" - case "bytea": - return "binary" - case "timestamp", "timestamptz": - if pgSchemaColumn.DatetimePrecision == "9" { - return "timestamp_ns" - } else { - return "timestamp" - } - case "time", "timetz": - return "time" - default: - // User-defined types - if pgSchemaColumn.Namespace != PG_SCHEMA_PG_CATALOG { - return "string" - } - } - - Panic(pgSchemaColumn.config, "Unsupported PostgreSQL type: "+pgSchemaColumn.UdtName) - return "" -} diff --git a/src/postgres.go b/src/postgres.go deleted file mode 100644 index a5a1f6a..0000000 --- a/src/postgres.go +++ /dev/null @@ -1,233 +0,0 @@ -package main - -import ( - "errors" - "net" - - "github.com/jackc/pgx/v5/pgproto3" -) - -const ( - PG_VERSION = "17.0" - PG_ENCODING = "UTF8" - PG_TX_STATUS_IDLE = 'I' - - SYSTEM_AUTH_USER = "bemidb" -) - -type Postgres struct { - backend *pgproto3.Backend - conn *net.Conn - config *Config -} - -func NewPostgres(config *Config, conn *net.Conn) *Postgres { - return &Postgres{ - conn: conn, - backend: pgproto3.NewBackend(*conn, *conn), - config: config, - } -} - -func NewTcpListener(config *Config) net.Listener { - parsedIp := net.ParseIP(config.Host) - if parsedIp == nil { - PrintErrorAndExit(config, "Invalid host: "+config.Host+".") - } - - var network, host string - if parsedIp.To4() == nil { - network = "tcp6" - host = "[" + config.Host + "]" - } else { - network = "tcp4" - host = config.Host - } - - tcpListener, err := net.Listen(network, host+":"+config.Port) - PanicIfError(config, err) - return tcpListener -} - -func AcceptConnection(config *Config, listener net.Listener) net.Conn { - conn, err := listener.Accept() - PanicIfError(config, err) - return conn -} - -func (postgres *Postgres) Run(queryHandler *QueryHandler) { - err := postgres.handleStartup() - if err != nil { - LogError(postgres.config, "Error handling startup:", err) - return // Terminate connection - } - - for { - message, err := postgres.backend.Receive() - if err != nil { - return // Terminate connection - } - - switch message := message.(type) { - case *pgproto3.Query: - postgres.handleSimpleQuery(queryHandler, message) - case *pgproto3.Parse: - err = postgres.handleExtendedQuery(queryHandler, message) - if err != nil { - return // Terminate connection - } - case *pgproto3.Terminate: - LogDebug(postgres.config, "Client terminated connection") - return - default: - LogError(postgres.config, "Received message other than Query from client:", message) - return // Terminate connection - } - } -} - -func (postgres *Postgres) Close() error { - return (*postgres.conn).Close() -} - -func (postgres *Postgres) handleSimpleQuery(queryHandler *QueryHandler, queryMessage *pgproto3.Query) { - LogDebug(postgres.config, "Received query:", queryMessage.String) - messages, err := queryHandler.HandleSimpleQuery(queryMessage.String) - if err != nil { - postgres.writeError(err) - return - } - messages = append(messages, &pgproto3.ReadyForQuery{TxStatus: PG_TX_STATUS_IDLE}) - postgres.writeMessages(messages...) -} - -func (postgres *Postgres) handleExtendedQuery(queryHandler *QueryHandler, parseMessage *pgproto3.Parse) error { - LogDebug(postgres.config, "Parsing query", parseMessage.Query) - messages, preparedStatement, err := queryHandler.HandleParseQuery(parseMessage) - if err != nil { - postgres.writeError(err) - return nil - } - postgres.writeMessages(messages...) - - var previousErr error - for { - message, err := postgres.backend.Receive() - if err != nil { - return err - } - - switch message := message.(type) { - case *pgproto3.Bind: - if previousErr != nil { // Skip processing the next message if there was an error in the previous message - continue - } - - LogDebug(postgres.config, "Binding query", message.PreparedStatement) - messages, preparedStatement, err = queryHandler.HandleBindQuery(message, preparedStatement) - if err != nil { - postgres.writeError(err) - previousErr = err - } - postgres.writeMessages(messages...) - case *pgproto3.Describe: - if previousErr != nil { // Skip processing the next message if there was an error in the previous message - continue - } - - LogDebug(postgres.config, "Describing query", message.Name, "("+string(message.ObjectType)+")") - var messages []pgproto3.Message - messages, preparedStatement, err = queryHandler.HandleDescribeQuery(message, preparedStatement) - if err != nil { - postgres.writeError(err) - previousErr = err - } - postgres.writeMessages(messages...) - case *pgproto3.Execute: - if previousErr != nil { // Skip processing the next message if there was an error in the previous message - continue - } - - LogDebug(postgres.config, "Executing query", message.Portal) - messages, err := queryHandler.HandleExecuteQuery(message, preparedStatement) - if err != nil { - postgres.writeError(err) - previousErr = err - } - postgres.writeMessages(messages...) - case *pgproto3.Sync: - LogDebug(postgres.config, "Syncing query") - postgres.writeMessages( - &pgproto3.ReadyForQuery{TxStatus: PG_TX_STATUS_IDLE}, - ) - - // If there was an error or Parse->Bind->Sync (...) or Parse->Describe->Sync (e.g., Metabase) - // it means that sync is the last message in the extended query protocol, we can exit handleExtendedQuery - if previousErr != nil || preparedStatement.Bound || preparedStatement.Described { - return nil - } - // Otherwise, wait for Bind/Describe/Execute/Sync. - // For example, psycopg sends Parse->[extra Sync]->Bind->Describe->Execute->Sync - } - } -} - -func (postgres *Postgres) writeMessages(messages ...pgproto3.Message) { - var buf []byte - for _, message := range messages { - buf, _ = message.Encode(buf) - } - (*postgres.conn).Write(buf) -} - -func (postgres *Postgres) writeError(err error) { - LogError(postgres.config, err.Error()) - - postgres.writeMessages( - &pgproto3.ErrorResponse{ - Severity: "ERROR", - Message: err.Error(), - }, - &pgproto3.ReadyForQuery{TxStatus: PG_TX_STATUS_IDLE}, - ) -} - -func (postgres *Postgres) handleStartup() error { - startupMessage, err := postgres.backend.ReceiveStartupMessage() - if err != nil { - return err - } - - switch startupMessage := startupMessage.(type) { - case *pgproto3.StartupMessage: - params := startupMessage.Parameters - LogDebug(postgres.config, "BemiDB: startup message", params) - - if params["database"] != postgres.config.Database { - postgres.writeError(errors.New("database " + params["database"] + " does not exist")) - return errors.New("database does not exist") - } - - if postgres.config.User != "" && params["user"] != postgres.config.User && params["user"] != SYSTEM_AUTH_USER { - postgres.writeError(errors.New("role \"" + params["user"] + "\" does not exist")) - return errors.New("role does not exist") - } - - postgres.writeMessages( - &pgproto3.AuthenticationOk{}, - &pgproto3.ParameterStatus{Name: "client_encoding", Value: PG_ENCODING}, - &pgproto3.ParameterStatus{Name: "server_version", Value: PG_VERSION}, - &pgproto3.ReadyForQuery{TxStatus: PG_TX_STATUS_IDLE}, - ) - return nil - case *pgproto3.SSLRequest: - _, err = (*postgres.conn).Write([]byte("N")) - if err != nil { - return err - } - postgres.handleStartup() - return nil - default: - return errors.New("unknown startup message") - } -} diff --git a/src/query_handler.go b/src/query_handler.go deleted file mode 100644 index 8f8b2c6..0000000 --- a/src/query_handler.go +++ /dev/null @@ -1,783 +0,0 @@ -package main - -import ( - "bytes" - "context" - "database/sql" - "encoding/binary" - "encoding/csv" - "fmt" - "math/big" - "strings" - - "github.com/google/uuid" - "github.com/jackc/pgx/v5/pgproto3" - "github.com/jackc/pgx/v5/pgtype" - duckDb "github.com/marcboeker/go-duckdb" -) - -const ( - FALLBACK_SQL_QUERY = "SELECT 1" - INSPECT_SQL_COMMENT = " --INSPECT" -) - -type QueryHandler struct { - duckdb *Duckdb - icebergReader *IcebergReader - queryRemapper *QueryRemapper - config *Config -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -type PreparedStatement struct { - // Parse - Name string - OriginalQuery string - Query string - Statement *sql.Stmt - ParameterOIDs []uint32 - - // Bind - Bound bool - Variables []interface{} - Portal string - - // Describe - Described bool - - // Describe/Execute - Rows *sql.Rows -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -type NullDecimal struct { - Present bool - Value duckDb.Decimal -} - -func (nullDecimal *NullDecimal) Scan(value interface{}) error { - if value == nil { - nullDecimal.Present = false - return nil - } - - nullDecimal.Present = true - nullDecimal.Value = value.(duckDb.Decimal) - return nil -} - -func (nullDecimal NullDecimal) String() string { - if nullDecimal.Present { - return fmt.Sprintf("%v", nullDecimal.Value.Float64()) - } - return "" -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -type NullInterval struct { - Present bool - Value duckDb.Interval -} - -func (nullInterval *NullInterval) Scan(value interface{}) error { - if value == nil { - nullInterval.Present = false - return nil - } - - nullInterval.Present = true - nullInterval.Value = value.(duckDb.Interval) - return nil -} - -func (nullInterval NullInterval) String() string { - if nullInterval.Present { - return fmt.Sprintf("%d months %d days %d microseconds", nullInterval.Value.Months, nullInterval.Value.Days, nullInterval.Value.Micros) - } - return "" -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -type NullUint32 struct { - Present bool - Value uint32 -} - -func (nullUint32 *NullUint32) Scan(value interface{}) error { - if value == nil { - nullUint32.Present = false - return nil - } - - nullUint32.Present = true - nullUint32.Value = value.(uint32) - return nil -} - -func (nullUint32 NullUint32) String() string { - if nullUint32.Present { - return fmt.Sprintf("%v", nullUint32.Value) - } - return "" -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -type NullUint64 struct { - Present bool - Value uint64 -} - -func (nullUint64 *NullUint64) Scan(value interface{}) error { - if value == nil { - nullUint64.Present = false - return nil - } - - nullUint64.Present = true - nullUint64.Value = value.(uint64) - return nil -} - -func (nullUint64 NullUint64) String() string { - if nullUint64.Present { - return fmt.Sprintf("%v", nullUint64.Value) - } - return "" -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -type NullBigInt struct { - Present bool - Value *big.Int -} - -func (nullBigInt *NullBigInt) Scan(value interface{}) error { - if value == nil { - nullBigInt.Present = false - return nil - } - - nullBigInt.Present = true - nullBigInt.Value = value.(*big.Int) - return nil -} - -func (nullBigInt NullBigInt) String() string { - if nullBigInt.Present { - return fmt.Sprintf("%v", nullBigInt.Value) - } - return "" -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -type NullUuid struct { - Present bool - Value []uint8 -} - -func (nullUuid *NullUuid) Scan(value interface{}) error { - if value == nil { - nullUuid.Present = false - return nil - } - - nullUuid.Present = true - nullUuid.Value = value.([]uint8) - return nil -} - -func (nullUuid NullUuid) String() string { - if nullUuid.Present { - uuidString := string(nullUuid.Value) - return fmt.Sprintf("%x-%x-%x-%x-%x", uuidString[:4], uuidString[4:6], uuidString[6:8], uuidString[8:10], uuidString[10:]) - } - return "" -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -type NullArray struct { - Present bool - Value []interface{} -} - -func (nullArray *NullArray) Scan(value interface{}) error { - if value == nil { - nullArray.Present = false - return nil - } - - nullArray.Present = true - nullArray.Value = value.([]interface{}) - return nil -} - -func (nullArray NullArray) String() string { - if nullArray.Present { - var stringVals []string - for _, v := range nullArray.Value { - switch v.(type) { - case []uint8: - stringVals = append(stringVals, fmt.Sprintf("%s", v)) - default: - stringVals = append(stringVals, fmt.Sprintf("%v", v)) - } - } - buffer := &bytes.Buffer{} - csvWriter := csv.NewWriter(buffer) - err := csvWriter.Write(stringVals) - if err != nil { - return "" - } - csvWriter.Flush() - return "{" + strings.TrimRight(buffer.String(), "\n") + "}" - } - return "" -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -func NewQueryHandler(config *Config, duckdb *Duckdb, icebergReader *IcebergReader) *QueryHandler { - queryHandler := &QueryHandler{ - duckdb: duckdb, - icebergReader: icebergReader, - queryRemapper: NewQueryRemapper(config, icebergReader, duckdb), - config: config, - } - - queryHandler.createSchemas() - - return queryHandler -} - -func (queryHandler *QueryHandler) HandleSimpleQuery(originalQuery string) ([]pgproto3.Message, error) { - queryStatements, originalQueryStatements, err := queryHandler.queryRemapper.ParseAndRemapQuery(originalQuery) - if err != nil { - return nil, err - } - if len(queryStatements) == 0 { - return []pgproto3.Message{&pgproto3.EmptyQueryResponse{}}, nil - } - - var queriesMessages []pgproto3.Message - - for i, queryStatement := range queryStatements { - rows, err := queryHandler.duckdb.QueryContext(context.Background(), queryStatement) - if err != nil { - errorMessage := err.Error() - if errorMessage == "Binder Error: UNNEST requires a single list as input" { - // https://github.com/duckdb/duckdb/issues/11693 - LogWarn(queryHandler.config, "Couldn't handle query via DuckDB:", queryStatement+"\n"+err.Error()) - queriesMsgs, err := queryHandler.HandleSimpleQuery(FALLBACK_SQL_QUERY) // self-recursion - if err != nil { - return nil, err - } - queriesMessages = append(queriesMessages, queriesMsgs...) - continue - } else { - return nil, err - } - } - defer rows.Close() - - var queryMessages []pgproto3.Message - descriptionMessages, err := queryHandler.rowsToDescriptionMessages(rows, originalQueryStatements[i]) - if err != nil { - return nil, err - } - queryMessages = append(queryMessages, descriptionMessages...) - dataMessages, err := queryHandler.rowsToDataMessages(rows, originalQueryStatements[i]) - if err != nil { - return nil, err - } - queryMessages = append(queryMessages, dataMessages...) - - queriesMessages = append(queriesMessages, queryMessages...) - } - - return queriesMessages, nil -} - -func (queryHandler *QueryHandler) HandleParseQuery(message *pgproto3.Parse) ([]pgproto3.Message, *PreparedStatement, error) { - ctx := context.Background() - originalQuery := string(message.Query) - queryStatements, _, err := queryHandler.queryRemapper.ParseAndRemapQuery(originalQuery) - if err != nil { - return nil, nil, err - } - if len(queryStatements) > 1 { - return nil, nil, fmt.Errorf("multiple queries in a single parse message are not supported: %s", originalQuery) - } - - preparedStatement := &PreparedStatement{ - Name: message.Name, - OriginalQuery: originalQuery, - ParameterOIDs: message.ParameterOIDs, - } - if len(queryStatements) == 0 { - return []pgproto3.Message{&pgproto3.ParseComplete{}}, preparedStatement, nil - } - - query := queryStatements[0] - preparedStatement.Query = query - statement, err := queryHandler.duckdb.PrepareContext(ctx, query) - preparedStatement.Statement = statement - if err != nil { - return nil, nil, err - } - - return []pgproto3.Message{&pgproto3.ParseComplete{}}, preparedStatement, nil -} - -func (queryHandler *QueryHandler) HandleBindQuery(message *pgproto3.Bind, preparedStatement *PreparedStatement) ([]pgproto3.Message, *PreparedStatement, error) { - if message.PreparedStatement != preparedStatement.Name { - return nil, nil, fmt.Errorf("prepared statement mismatch, %s instead of %s: %s", message.PreparedStatement, preparedStatement.Name, preparedStatement.OriginalQuery) - } - - var variables []interface{} - paramFormatCodes := message.ParameterFormatCodes - - for i, param := range message.Parameters { - if param == nil { - continue - } - - textFormat := true - if len(paramFormatCodes) == 1 { - textFormat = paramFormatCodes[0] == 0 - } else if len(paramFormatCodes) > 1 { - textFormat = paramFormatCodes[i] == 0 - } - - if textFormat { - variables = append(variables, string(param)) - } else if len(param) == 4 { - variables = append(variables, int32(binary.BigEndian.Uint32(param))) - } else if len(param) == 8 { - variables = append(variables, int64(binary.BigEndian.Uint64(param))) - } else if len(param) == 16 { - variables = append(variables, uuid.UUID(param).String()) - } else { - return nil, nil, fmt.Errorf("unsupported parameter format: %v (length %d). Original query: %s", param, len(param), preparedStatement.OriginalQuery) - } - } - - LogDebug(queryHandler.config, "Bound variables:", variables) - preparedStatement.Bound = true - preparedStatement.Variables = variables - preparedStatement.Portal = message.DestinationPortal - - messages := []pgproto3.Message{&pgproto3.BindComplete{}} - - return messages, preparedStatement, nil -} - -func (queryHandler *QueryHandler) HandleDescribeQuery(message *pgproto3.Describe, preparedStatement *PreparedStatement) ([]pgproto3.Message, *PreparedStatement, error) { - switch message.ObjectType { - case 'S': // Statement - if message.Name != preparedStatement.Name { - return nil, nil, fmt.Errorf("statement mismatch, %s instead of %s: %s", message.Name, preparedStatement.Name, preparedStatement.OriginalQuery) - } - case 'P': // Portal - if message.Name != preparedStatement.Portal { - return nil, nil, fmt.Errorf("portal mismatch, %s instead of %s: %s", message.Name, preparedStatement.Portal, preparedStatement.OriginalQuery) - } - } - - preparedStatement.Described = true - if preparedStatement.Query == "" || !preparedStatement.Bound { // Empty query or Parse->[No Bind]->Describe - return []pgproto3.Message{&pgproto3.NoData{}}, preparedStatement, nil - } - - rows, err := preparedStatement.Statement.QueryContext(context.Background(), preparedStatement.Variables...) - if err != nil { - return nil, nil, fmt.Errorf("couldn't execute statement: %w. Original query: %s", err, preparedStatement.OriginalQuery) - } - preparedStatement.Rows = rows - - messages, err := queryHandler.rowsToDescriptionMessages(preparedStatement.Rows, preparedStatement.OriginalQuery) - if err != nil { - return nil, nil, err - } - return messages, preparedStatement, nil -} - -func (queryHandler *QueryHandler) HandleExecuteQuery(message *pgproto3.Execute, preparedStatement *PreparedStatement) ([]pgproto3.Message, error) { - if message.Portal != preparedStatement.Portal { - return nil, fmt.Errorf("portal mismatch, %s instead of %s: %s", message.Portal, preparedStatement.Portal, preparedStatement.OriginalQuery) - } - - if preparedStatement.Query == "" { - return []pgproto3.Message{&pgproto3.EmptyQueryResponse{}}, nil - } - - if preparedStatement.Rows == nil { // Parse->[No Bind]->Describe->Execute or Parse->Bind->[No Describe]->Execute - rows, err := preparedStatement.Statement.QueryContext(context.Background(), preparedStatement.Variables...) - if err != nil { - return nil, err - } - preparedStatement.Rows = rows - } - - defer preparedStatement.Rows.Close() - - return queryHandler.rowsToDataMessages(preparedStatement.Rows, preparedStatement.OriginalQuery) -} - -func (queryHandler *QueryHandler) createSchemas() { - ctx := context.Background() - schemas, err := queryHandler.icebergReader.Schemas() - PanicIfError(queryHandler.config, err) - - for _, schema := range schemas { - _, err := queryHandler.duckdb.ExecContext( - ctx, - "CREATE SCHEMA IF NOT EXISTS \"$schema\"", - map[string]string{"schema": schema}, - ) - PanicIfError(queryHandler.config, err) - } -} - -func (queryHandler *QueryHandler) rowsToDescriptionMessages(rows *sql.Rows, originalQuery string) ([]pgproto3.Message, error) { - cols, err := rows.ColumnTypes() - if err != nil { - return nil, fmt.Errorf("couldn't get column types: %w. Original query: %s", err, originalQuery) - } - - var messages []pgproto3.Message - - rowDescription := queryHandler.generateRowDescription(cols) - if rowDescription != nil { - messages = append(messages, rowDescription) - } - - return messages, nil -} - -func (queryHandler *QueryHandler) rowsToDataMessages(rows *sql.Rows, originalQuery string) ([]pgproto3.Message, error) { - cols, err := rows.ColumnTypes() - if err != nil { - return nil, fmt.Errorf("couldn't get column types: %w. Original query: %s", err, originalQuery) - } - - var messages []pgproto3.Message - for rows.Next() { - dataRow, err := queryHandler.generateDataRow(rows, cols) - if err != nil { - return nil, fmt.Errorf("couldn't get data row: %w. Original query: %s", err, originalQuery) - } - messages = append(messages, dataRow) - } - - commandTag := FALLBACK_SQL_QUERY - upperOriginalQueryStatement := strings.ToUpper(originalQuery) - switch { - case strings.HasPrefix(upperOriginalQueryStatement, "SET "): - commandTag = "SET" - case strings.HasPrefix(upperOriginalQueryStatement, "SHOW "): - commandTag = "SHOW" - case strings.HasPrefix(upperOriginalQueryStatement, "DISCARD ALL"): - commandTag = "DISCARD ALL" - case strings.HasPrefix(upperOriginalQueryStatement, "BEGIN"): - commandTag = "BEGIN" - } - - messages = append(messages, &pgproto3.CommandComplete{CommandTag: []byte(commandTag)}) - return messages, nil -} - -func (queryHandler *QueryHandler) generateRowDescription(cols []*sql.ColumnType) *pgproto3.RowDescription { - description := pgproto3.RowDescription{Fields: []pgproto3.FieldDescription{}} - - for _, col := range cols { - typeIod := queryHandler.columnTypeOid(col) - - if col.Name() == "Success" && typeIod == pgtype.BoolOID && len(cols) == 1 { - // Skip the "Success" DuckDB column returned from SET ... commands - return nil - } - - description.Fields = append(description.Fields, pgproto3.FieldDescription{ - Name: []byte(col.Name()), - TableOID: 0, - TableAttributeNumber: 0, - DataTypeOID: typeIod, - DataTypeSize: -1, - TypeModifier: -1, - Format: 0, - }) - } - return &description -} - -// https://pkg.go.dev/github.com/jackc/pgx/v5/pgtype#pkg-constants -func (queryHandler *QueryHandler) columnTypeOid(col *sql.ColumnType) uint32 { - switch col.DatabaseTypeName() { - case "BOOLEAN": - return pgtype.BoolOID - case "BOOLEAN[]": - return pgtype.BoolArrayOID - case "SMALLINT": - return pgtype.Int2OID - case "SMALLINT[]": - return pgtype.Int2ArrayOID - case "INTEGER": - return pgtype.Int4OID - case "INTEGER[]": - return pgtype.Int4ArrayOID - case "UINTEGER": - return pgtype.XIDOID - case "UINTEGER[]": - return pgtype.XIDArrayOID - case "BIGINT": - if isSystemTableOidColumn(col.Name()) { - return pgtype.OIDOID - } - return pgtype.Int8OID - case "BIGINT[]": - return pgtype.Int8ArrayOID - case "UBIGINT": - return pgtype.XID8OID - case "UBIGINT[]": - return pgtype.XID8ArrayOID - case "HUGEINT": - return pgtype.NumericOID - case "HUGEINT[]": - return pgtype.NumericArrayOID - case "FLOAT": - return pgtype.Float4OID - case "FLOAT[]": - return pgtype.Float4ArrayOID - case "DOUBLE": - return pgtype.Float8OID - case "DOUBLE[]": - return pgtype.Float8ArrayOID - case "VARCHAR": - return pgtype.TextOID - case "VARCHAR[]": - return pgtype.TextArrayOID - case "TIME": - return pgtype.TimeOID - case "TIME[]": - return pgtype.TimeArrayOID - case "DATE": - return pgtype.DateOID - case "DATE[]": - return pgtype.DateArrayOID - case "TIMESTAMP": - return pgtype.TimestampOID - case "TIMESTAMP[]": - return pgtype.TimestampArrayOID - case "TIMESTAMPTZ": - return pgtype.TimestamptzOID - case "TIMESTAMPTZ[]": - return pgtype.TimestamptzArrayOID - case "UUID": - return pgtype.UUIDOID - case "UUID[]": - return pgtype.UUIDArrayOID - case "INTERVAL": - return pgtype.IntervalOID - case "INTERVAL[]": - return pgtype.IntervalArrayOID - default: - if strings.HasPrefix(col.DatabaseTypeName(), "DECIMAL") { - if strings.HasSuffix(col.DatabaseTypeName(), "[]") { - return pgtype.NumericArrayOID - } else { - return pgtype.NumericOID - } - } - - Panic(queryHandler.config, "Unsupported serialized column type: "+col.DatabaseTypeName()) - return 0 - } -} - -func isSystemTableOidColumn(colName string) bool { - oidColumns := map[string]bool{ - "oid": true, - "tableoid": true, - "relnamespace": true, - "relowner": true, - "relfilenode": true, - "did": true, - "objoid": true, - "classoid": true, - } - - return oidColumns[colName] -} - -func (queryHandler *QueryHandler) generateDataRow(rows *sql.Rows, cols []*sql.ColumnType) (*pgproto3.DataRow, error) { - valuePtrs := make([]interface{}, len(cols)) - for i, col := range cols { - switch col.ScanType().String() { - case "int16": - var value sql.NullInt16 - valuePtrs[i] = &value - case "int32": - var value sql.NullInt32 - valuePtrs[i] = &value - case "int64": - var value sql.NullInt64 - valuePtrs[i] = &value - case "uint32": // xid - var value NullUint32 - valuePtrs[i] = &value - case "uint64": // xid8 - var value NullUint64 - valuePtrs[i] = &value - case "float64", "float32": - var value sql.NullFloat64 - valuePtrs[i] = &value - case "string": - var value sql.NullString - valuePtrs[i] = &value - case "[]uint8": // uuid - var value NullUuid - valuePtrs[i] = &value - case "bool": - var value sql.NullBool - valuePtrs[i] = &value - case "time.Time": - var value sql.NullTime - valuePtrs[i] = &value - case "*big.Int": - var value NullBigInt - valuePtrs[i] = &value - case "duckdb.Decimal": - var value NullDecimal - valuePtrs[i] = &value - case "duckdb.Interval": - var value NullInterval - valuePtrs[i] = &value - case "[]interface {}": - var value NullArray - valuePtrs[i] = &value - default: - Panic(queryHandler.config, "Unsupported data row type: "+col.ScanType().String()) - } - } - - err := rows.Scan(valuePtrs...) - if err != nil { - return nil, err - } - - var values [][]byte - for i, valuePtr := range valuePtrs { - switch value := valuePtr.(type) { - case *sql.NullInt16: - if value.Valid { - values = append(values, []byte(IntToString(int(value.Int16)))) - } else { - values = append(values, nil) - } - case *sql.NullInt32: - if value.Valid { - values = append(values, []byte(IntToString(int(value.Int32)))) - } else { - values = append(values, nil) - } - case *sql.NullInt64: - if value.Valid { - values = append(values, []byte(IntToString(int(value.Int64)))) - } else { - values = append(values, nil) - } - case *NullUint32: - if value.Present { - values = append(values, []byte(value.String())) - } else { - values = append(values, nil) - } - case *NullUint64: - if value.Present { - values = append(values, []byte(value.String())) - } else { - values = append(values, nil) - } - case *sql.NullFloat64: - if value.Valid { - values = append(values, []byte(fmt.Sprintf("%v", value.Float64))) - } else { - values = append(values, nil) - } - case *sql.NullString: - if value.Valid { - values = append(values, []byte(value.String)) - } else { - values = append(values, nil) - } - case *sql.NullBool: - if value.Valid { - values = append(values, []byte(fmt.Sprintf("%v", value.Bool)[0:1])) - } else { - values = append(values, nil) - } - case *sql.NullTime: - if value.Valid { - switch cols[i].DatabaseTypeName() { - case "DATE": - values = append(values, []byte(value.Time.Format("2006-01-02"))) - case "TIME": - values = append(values, []byte(value.Time.Format("15:04:05.999999"))) - case "TIMESTAMP": - values = append(values, []byte(value.Time.Format("2006-01-02 15:04:05.999999"))) - case "TIMESTAMPTZ": - values = append(values, []byte(value.Time.Format("2006-01-02 15:04:05.999999-07:00"))) - default: - Panic(queryHandler.config, "Unsupported scanned time type: "+cols[i].DatabaseTypeName()) - } - } else { - values = append(values, nil) - } - case *NullBigInt: - if value.Present { - values = append(values, []byte(value.String())) - } else { - values = append(values, nil) - } - case *NullDecimal: - if value.Present { - values = append(values, []byte(value.String())) - } else { - values = append(values, nil) - } - case *NullInterval: - if value.Present { - values = append(values, []byte(value.String())) - } else { - values = append(values, nil) - } - case *NullArray: - if value.Present { - values = append(values, []byte(value.String())) - } else { - values = append(values, nil) - } - case *NullUuid: - if value.Present { - values = append(values, []byte(value.String())) - } else { - values = append(values, nil) - } - case *string: - values = append(values, []byte(*value)) - default: - Panic(queryHandler.config, "Unsupported scanned row type: "+cols[i].ScanType().Name()) - } - } - dataRow := pgproto3.DataRow{Values: values} - - return &dataRow, nil -} diff --git a/src/query_handler_test.go b/src/query_handler_test.go deleted file mode 100644 index 94cc656..0000000 --- a/src/query_handler_test.go +++ /dev/null @@ -1,1734 +0,0 @@ -package main - -import ( - "encoding/binary" - "reflect" - "strings" - "testing" - - "github.com/google/uuid" - "github.com/jackc/pgx/v5/pgproto3" - "github.com/jackc/pgx/v5/pgtype" -) - -func TestHandleQuery(t *testing.T) { - createTestTables(t) - queryHandler := initQueryHandler() - defer queryHandler.duckdb.Close() - - t.Run("PG functions", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT VERSION()": { - "description": {"version"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"PostgreSQL 17.0, compiled by BemiDB"}, - }, - "SELECT pg_catalog.pg_get_userbyid(p.proowner) AS owner, 'Foo' AS foo FROM pg_catalog.pg_proc p LEFT JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace LIMIT 1": { - "description": {"owner", "foo"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - "values": {"bemidb", "Foo"}, - }, - "SELECT QUOTE_IDENT('fooBar') AS quote_ident": { - "description": {"quote_ident"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"\"fooBar\""}, - }, - "SELECT setting from pg_show_all_settings() WHERE name = 'default_null_order'": { - "description": {"setting"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"nulls_last"}, - }, - "SELECT setting from pg_catalog.pg_show_all_settings() WHERE name = 'default_null_order'": { - "description": {"setting"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"nulls_last"}, - }, - "SELECT pg_catalog.pg_get_partkeydef(c.oid) AS pg_get_partkeydef FROM pg_catalog.pg_class c LIMIT 1": { - "description": {"pg_get_partkeydef"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT pg_tablespace_location(t.oid) loc FROM pg_catalog.pg_tablespace": { - "description": {"loc"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT pg_catalog.pg_get_expr(adbin, drelid) AS def_value FROM pg_catalog.pg_attrdef": { - "description": {"def_value"}, - }, - "SELECT pg_catalog.pg_get_expr(adbin, drelid, TRUE) AS def_value FROM pg_catalog.pg_attrdef": { - "description": {"def_value"}, - }, - "SELECT pg_catalog.pg_get_viewdef(NULL, TRUE) AS viewdef": { - "description": {"viewdef"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT set_config('bytea_output', 'hex', false) AS set_config": { - "description": {"set_config"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"hex"}, - }, - "SELECT pg_catalog.pg_encoding_to_char(6) AS pg_encoding_to_char": { - "description": {"pg_encoding_to_char"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"UTF8"}, - }, - "SELECT pg_backend_pid() AS pg_backend_pid": { - "description": {"pg_backend_pid"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"0"}, - }, - "SELECT * from pg_is_in_recovery()": { - "description": {"pg_is_in_recovery"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {"f"}, - }, - "SELECT row_to_json(t) AS row_to_json FROM (SELECT usename, passwd FROM pg_shadow WHERE usename='bemidb') t": { - "description": {"row_to_json"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {`{"usename":"bemidb","passwd":"bemidb-encrypted"}`}, - }, - "SELECT current_setting('default_tablespace') AS current_setting": { - "description": {"current_setting"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT main.array_to_string('[1, 2, 3]', '') as str": { - "description": {"str"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"123"}, - }, - "SELECT pg_catalog.array_to_string('[1, 2, 3]', '') as str": { - "description": {"str"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"123"}, - }, - "SELECT array_to_string('[1, 2, 3]', '') as str": { - "description": {"str"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"123"}, - }, - "SELECT * FROM pg_catalog.generate_series(1, 1)": { - "description": {"generate_series"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"1"}, - }, - "SELECT pg_catalog.aclexplode(db.datacl) AS d FROM pg_catalog.pg_database db": { - "description": {"d"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT TRIM (BOTH '\"' FROM pg_catalog.pg_get_indexdef(1, 1, false)) AS trim": { - "description": {"trim"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT (d).grantee AS grantee, (d).grantor AS grantor, (d).is_grantable AS is_grantable, (d).privilege_type AS privilege_type FROM (SELECT pg_catalog.aclexplode(db.datacl) AS d FROM pg_catalog.pg_database db WHERE db.oid = 16388::OID) a": { - "description": {"grantee", "grantor", "is_grantable", "privilege_type"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - "values": {"", "", "", ""}, - }, - "SELECT format('Hello %s, %s, %1$s', 'World', 'Earth') AS str": { - "description": {"str"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"Hello World, Earth, World"}, - }, - "SELECT format('%s', \"test_table\".\"varchar_column\") AS str FROM test_table LIMIT 1": { - "description": {"str"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"varchar"}, - }, - "SELECT jsonb_extract_path_text(json_column, 'key') AS jsonb_extract_path_text FROM test_table LIMIT 1": { - "description": {"jsonb_extract_path_text"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"value"}, - }, - "SELECT jsonb_extract_path_text(json_column, VARIADIC ARRAY['key']) AS jsonb_extract_path_text FROM test_table LIMIT 1": { - "description": {"jsonb_extract_path_text"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"value"}, - }, - "SELECT encode(sha256('foo'), 'hex'::text) AS encode": { - "description": {"encode"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae"}, - }, - "SELECT json_build_object('min', 1, 'max', 2) AS json_build_object": { - "description": {"json_build_object"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"{\"min\":1,\"max\":2}"}, - }, - "SELECT pg_catalog.pg_get_statisticsobjdef_columns(1) AS pg_get_statisticsobjdef_columns": { - "description": {"pg_get_statisticsobjdef_columns"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {""}, - }, - "SELECT pg_catalog.pg_relation_is_publishable('1') AS pg_relation_is_publishable": { - "description": {"pg_relation_is_publishable"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {""}, - }, - }) - }) - - t.Run("PG system tables", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT oid, typname AS typename FROM pg_type WHERE typname='geometry' OR typname='geography'": { - "description": {"oid", "typename"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT relname FROM pg_catalog.pg_class WHERE relnamespace = (SELECT oid FROM pg_catalog.pg_namespace WHERE nspname = 'public' LIMIT 1) ORDER BY relname DESC LIMIT 1": { - "description": {"relname"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"test_table"}, - }, - "SELECT oid FROM pg_catalog.pg_extension": { - "description": {"oid"}, - "types": {Uint32ToString(pgtype.OIDOID)}, - "values": {"13823"}, - }, - "SELECT slot_name FROM pg_replication_slots": { - "description": {"slot_name"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT oid, datname, datdba FROM pg_catalog.pg_database where oid = 16388": { - "description": {"oid", "datname", "datdba"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int8OID)}, - "values": {"16388", "bemidb", "10"}, - }, - "SELECT COALESCE(NULL, (SELECT datname FROM pg_database WHERE datname = 'bemidb')) AS datname": { - "description": {"datname"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"bemidb"}, - }, - "SELECT * FROM pg_catalog.pg_stat_gssapi": { - "description": {"pid", "gss_authenticated", "principal", "encrypted", "credentials_delegated"}, - "types": {Uint32ToString(pgtype.Int4OID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.BoolOID)}, - "values": {}, - }, - "SELECT * FROM pg_catalog.pg_user": { - "description": {"usename", "usesysid", "usecreatedb", "usesuper", "userepl", "usebypassrls", "passwd", "valuntil", "useconfig"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"bemidb", "10", "t", "t", "t", "t", "", "", ""}, - }, - "SELECT datid FROM pg_catalog.pg_stat_activity": { - "description": {"datid"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {}, - }, - "SELECT schemaname, matviewname AS objectname FROM pg_catalog.pg_matviews": { - "description": {"schemaname", "objectname"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT * FROM pg_catalog.pg_views": { - "description": {"schemaname", "viewname", "viewowner", "definition"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - }, - "SELECT oid FROM pg_collation": { - "description": {"oid"}, - "types": {Uint32ToString(pgtype.OIDOID)}, - "values": {"100"}, - }, - "SELECT * FROM pg_opclass": { - "description": {"oid", "opcmethod", "opcname", "opcnamespace", "opcowner", "opcfamily", "opcintype", "opcdefault", "opckeytype"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.Int8OID)}, - }, - "SELECT schemaname, relname, n_live_tup FROM pg_stat_user_tables WHERE schemaname = 'public' ORDER BY relname DESC LIMIT 1": { - "description": {"schemaname", "relname", "n_live_tup"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int8OID)}, - "values": {"public", "test_table", "1"}, - }, - "SELECT DISTINCT(nspname) FROM pg_catalog.pg_namespace WHERE nspname != 'information_schema' AND nspname != 'pg_catalog' ORDER BY nspname DESC LIMIT 1": { - "description": {"nspname"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"test"}, - }, - "SELECT nspname FROM pg_catalog.pg_namespace WHERE nspname == 'main'": { - "description": {"nspname"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT n.nspname FROM pg_catalog.pg_namespace n LEFT OUTER JOIN pg_catalog.pg_description d ON d.objoid = n.oid ORDER BY n.nspname DESC LIMIT 1": { - "description": {"nspname"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"test"}, - }, - "SELECT rel.oid FROM pg_class rel LEFT JOIN pg_extension ON rel.oid = pg_extension.oid ORDER BY rel.oid LIMIT 1;": { - "description": {"oid"}, - "types": {Uint32ToString(pgtype.OIDOID)}, - "values": {"1262"}, - }, - "SELECT pg_total_relation_size(relid) AS total_size FROM pg_catalog.pg_statio_user_tables WHERE schemaname = 'public'": { - "description": {"total_size"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - }, - "SELECT pg_total_relation_size(relid) AS total_size FROM pg_catalog.pg_statio_user_tables WHERE schemaname = 'public' UNION SELECT NULL AS total_size FROM pg_catalog.pg_proc p LEFT JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace WHERE n.nspname = 'public'": { - "description": {"total_size"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - }, - "SELECT * FROM pg_catalog.pg_shdescription": { - "description": {"objoid", "classoid", "description"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID)}, - }, - "SELECT * FROM pg_catalog.pg_roles": { - "description": {"oid", "rolname", "rolsuper", "rolinherit", "rolcreaterole", "rolcreatedb", "rolcanlogin", "rolreplication", "rolconnlimit", "rolpassword", "rolvaliduntil", "rolbypassrls", "rolconfig"}, - "types": { - Uint32ToString(pgtype.OIDOID), - Uint32ToString(pgtype.TextOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.Int4OID), - Uint32ToString(pgtype.TextOID), - Uint32ToString(pgtype.TimestampOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.TextArrayOID), - }, - "values": {"10", "bemidb", "t", "t", "t", "t", "t", "f", "-1", "", "", "f", ""}, - }, - "SELECT * FROM pg_catalog.pg_inherits": { - "description": {"inhrelid", "inhparent", "inhseqno", "inhdetachpending"}, - }, - "SELECT * FROM pg_auth_members": { - "description": {"oid", "roleid", "member", "grantor", "admin_option", "inherit_option", "set_option"}, - }, - "SELECT ARRAY(select pg_get_indexdef(indexrelid, attnum, true) FROM pg_attribute WHERE attrelid = indexrelid ORDER BY attnum) AS expressions FROM pg_index": { - "description": {"expressions"}, - "types": {Uint32ToString(pgtype.TextArrayOID)}, - "values": {}, - }, - "SELECT indnullsnotdistinct FROM pg_index": { - "description": {"indnullsnotdistinct"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - }, - "SELECT n.nspname, c.relname FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace WHERE c.relname OPERATOR(pg_catalog.~) '^(test_table)$' COLLATE pg_catalog.default AND n.nspname OPERATOR(pg_catalog.~) '^(public)$' COLLATE pg_catalog.default": { - "description": {"nspname", "relname"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - "values": {"public", "test_table"}, - }, - "SELECT * FROM pg_catalog.pg_policy": { - "description": {"oid", "polname", "polrelid", "polcmd", "polpermissive", "polroles", "polqual", "polwithcheck"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - }, - "SELECT * FROM pg_catalog.pg_statistic_ext": { - "description": {"oid", "stxrelid", "stxname", "stxnamespace", "stxowner", "stxstattarget", "stxkeys", "stxkind", "stxexprs"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.Int4OID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - }, - "SELECT * FROM pg_catalog.pg_publication": { - "description": {"oid", "pubname", "pubowner", "puballtables", "pubinsert", "pubupdate", "pubdelete", "pubtruncate", "pubviaroot"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.BoolOID)}, - }, - "SELECT * FROM pg_catalog.pg_publication_rel": { - "description": {"oid", "prpubid", "prrelid", "prqual", "prattrs"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - }, - "SELECT * FROM pg_catalog.pg_publication_namespace": { - "description": {"oid", "pnpubid", "pnnspid"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.Int8OID)}, - }, - "SELECT pubname, NULL, NULL FROM pg_catalog.pg_publication p JOIN pg_catalog.pg_publication_namespace pn ON p.oid = pn.pnpubid JOIN pg_catalog.pg_class pc ON pc.relnamespace = pn.pnnspid UNION SELECT pubname, pg_get_expr(pr.prqual, c.oid), (CASE WHEN pr.prattrs IS NOT NULL THEN (SELECT string_agg(attname, ', ') FROM pg_catalog.generate_series(0, pg_catalog.array_upper(pr.prattrs::pg_catalog.int2[], 1)) s, pg_catalog.pg_attribute WHERE attrelid = pr.prrelid AND attnum = prattrs[s]) ELSE NULL END) FROM pg_catalog.pg_publication p JOIN pg_catalog.pg_publication_rel pr ON p.oid = pr.prpubid JOIN pg_catalog.pg_class c ON c.oid = pr.prrelid UNION SELECT pubname, NULL, NULL FROM pg_catalog.pg_publication p ORDER BY 1": { - "description": {"pubname", "NULL", "NULL"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - }, - "SELECT * FROM user": { - "description": {"user"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"bemidb"}, - }, - }) - }) - - t.Run("Information schema", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT * FROM information_schema.tables WHERE table_schema = 'public' ORDER BY table_name DESC LIMIT 1": { - "description": {"table_catalog", "table_schema", "table_name", "table_type", "self_referencing_column_name", "reference_generation", "user_defined_type_catalog", "user_defined_type_schema", "user_defined_type_name", "is_insertable_into", "is_typed", "commit_action", "TABLE_COMMENT"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"memory", "public", "test_table", "BASE TABLE", "", "", "", "", "", "YES", "NO", "", ""}, - }, - "SELECT column_name, udt_schema, udt_name FROM information_schema.columns WHERE table_schema = 'public' AND table_name = 'test_table' ORDER BY ordinal_position LIMIT 1": { - "description": {"column_name", "udt_schema", "udt_name"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - "values": {"id", "pg_catalog", "int4"}, - }, - }) - }) - - t.Run("SHOW", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SHOW search_path": { - "description": {"search_path"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {`"$user", public`}, - }, - "SHOW timezone": { - "description": {"timezone"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"UTC"}, - }, - }) - }) - - t.Run("Iceberg tables", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT COUNT(*) AS count FROM public.test_table": { - "description": {"count"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"2"}, - }, - "SELECT COUNT(*) AS count FROM test_table": { - "description": {"count"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"2"}, - }, - "SELECT COUNT(DISTINCT public.test_table.id) AS count FROM public.test_table": { - "description": {"count"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"2"}, - }, - "SELECT x.id FROM public.test_table x WHERE x.id = 1": { - "description": {"id"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"1"}, - }, - "SELECT public.test_table.id FROM public.test_table WHERE public.test_table.id = 1": { - "description": {"id"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"1"}, - }, - "SELECT test.empty_table.id FROM test.empty_table": { - "description": {"id"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - }, - "SELECT test_table.id FROM public.test_table WHERE id = 1": { - "description": {"id"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"1"}, - }, - "SELECT COUNT(*) FROM partitioned_table": { - "description": {"count"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"3"}, - }, - }) - }) - - t.Run("BemiDB functions", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT bemidb_last_synced_at('public.test_table')": { - "description": {"bemidb_last_synced_at"}, - "types": {Uint32ToString(pgtype.TimestamptzOID)}, - "values": {"2025-04-16 14:28:33+00:00"}, - }, - "SELECT bemidb_last_synced_at('table_does_not_exist')": { - "description": {"bemidb_last_synced_at"}, - "types": {Uint32ToString(pgtype.TimestamptzOID)}, - "values": {""}, - }, - }) - }) - - t.Run("Column types", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT bit_column FROM public.test_table WHERE bit_column IS NOT NULL": { - "description": {"bit_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"1"}, - }, - "SELECT bit_column FROM public.test_table WHERE bit_column IS NULL": { - "description": {"bit_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT bool_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"bool_column"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {"t"}, - }, - "SELECT bool_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"bool_column"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {"f"}, - }, - "SELECT bpchar_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"bpchar_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"bpchar"}, - }, - "SELECT bpchar_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"bpchar_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT varchar_column FROM public.test_table WHERE varchar_column IS NOT NULL": { - "description": {"varchar_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"varchar"}, - }, - "SELECT varchar_column FROM public.test_table WHERE varchar_column IS NULL": { - "description": {"varchar_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT text_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"text_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"text"}, - }, - "SELECT text_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"text_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT int2_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"int2_column"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"32767"}, - }, - "SELECT int2_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"int2_column"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"-32767"}, - }, - "SELECT int4_column FROM public.test_table WHERE int4_column IS NOT NULL": { - "description": {"int4_column"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"2147483647"}, - }, - "SELECT int4_column FROM public.test_table WHERE int4_column IS NULL": { - "description": {"int4_column"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {""}, - }, - "SELECT int8_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"int8_column"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"9223372036854775807"}, - }, - "SELECT int8_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"int8_column"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"-9223372036854775807"}, - }, - "SELECT hugeint_column FROM public.test_table WHERE hugeint_column IS NOT NULL": { - "description": {"hugeint_column"}, - "types": {Uint32ToString(pgtype.NumericOID)}, - "values": {"1e+19"}, - }, - "SELECT hugeint_column FROM public.test_table WHERE hugeint_column IS NULL": { - "description": {"hugeint_column"}, - "types": {Uint32ToString(pgtype.NumericOID)}, - "values": {""}, - }, - "SELECT xid_column FROM public.test_table WHERE xid_column IS NOT NULL": { - "description": {"xid_column"}, - "types": {Uint32ToString(pgtype.XIDOID)}, - "values": {"4294967295"}, - }, - "SELECT xid_column FROM public.test_table WHERE xid_column IS NULL": { - "description": {"xid_column"}, - "types": {Uint32ToString(pgtype.XIDOID)}, - "values": {""}, - }, - "SELECT xid8_column FROM public.test_table WHERE xid8_column IS NOT NULL": { - "description": {"xid8_column"}, - "types": {Uint32ToString(pgtype.XID8OID)}, - "values": {"18446744073709551615"}, - }, - "SELECT xid8_column FROM public.test_table WHERE xid8_column IS NULL": { - "description": {"xid8_column"}, - "types": {Uint32ToString(pgtype.XID8OID)}, - "values": {""}, - }, - "SELECT float4_column FROM public.test_table WHERE float4_column = 3.14": { - "description": {"float4_column"}, - "types": {Uint32ToString(pgtype.Float4OID)}, - "values": {"3.14"}, - }, - "SELECT float4_column FROM public.test_table WHERE float4_column != 3.14": { - "description": {"float4_column"}, - "types": {Uint32ToString(pgtype.Float4OID)}, - "values": {"NaN"}, - }, - "SELECT float8_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"float8_column"}, - "types": {Uint32ToString(pgtype.Float8OID)}, - "values": {"3.141592653589793"}, - }, - "SELECT float8_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"float8_column"}, - "types": {Uint32ToString(pgtype.Float8OID)}, - "values": {"-3.141592653589793"}, - }, - "SELECT numeric_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"numeric_column"}, - "types": {Uint32ToString(pgtype.NumericOID)}, - "values": {"12345.67"}, - }, - "SELECT numeric_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"numeric_column"}, - "types": {Uint32ToString(pgtype.NumericOID)}, - "values": {"-12345"}, - }, - "SELECT numeric_column_without_precision FROM public.test_table WHERE numeric_column_without_precision IS NOT NULL": { - "description": {"numeric_column_without_precision"}, - "types": {Uint32ToString(pgtype.NumericOID)}, - "values": {"12345.67"}, - }, - "SELECT numeric_column_without_precision FROM public.test_table WHERE numeric_column_without_precision IS NULL": { - "description": {"numeric_column_without_precision"}, - "types": {Uint32ToString(pgtype.NumericOID)}, - "values": {""}, - }, - "SELECT date_column FROM public.test_table LIMIT 1": { - "description": {"date_column"}, - "types": {Uint32ToString(pgtype.DateOID)}, - "values": {"2021-01-01"}, - }, - "SELECT date_column FROM public.test_table LIMIT 1 OFFSET 1": { - "description": {"date_column"}, - "types": {Uint32ToString(pgtype.DateOID)}, - "values": {"20025-11-12"}, - }, - "SELECT time_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"time_column"}, - "types": {Uint32ToString(pgtype.TimeOID)}, - "values": {"12:00:00.123456"}, - }, - "SELECT time_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"time_column"}, - "types": {Uint32ToString(pgtype.TimeOID)}, - "values": {"12:00:00.123"}, - }, - "SELECT timeMsColumn FROM public.test_table WHERE timeMsColumn IS NOT NULL": { - "description": {"timeMsColumn"}, - "types": {Uint32ToString(pgtype.TimeOID)}, - "values": {"12:00:00.123"}, - }, - "SELECT timeMsColumn FROM public.test_table WHERE timeMsColumn IS NULL": { - "description": {"timeMsColumn"}, - "types": {Uint32ToString(pgtype.TimeOID)}, - "values": {""}, - }, - "SELECT timetz_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"timetz_column"}, - "types": {Uint32ToString(pgtype.TimeOID)}, - "values": {"17:00:00.123456"}, - }, - "SELECT timetz_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"timetz_column"}, - "types": {Uint32ToString(pgtype.TimeOID)}, - "values": {"07:00:00.123"}, - }, - "SELECT timestamp_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"timestamp_column"}, - "types": {Uint32ToString(pgtype.TimestampOID)}, - "values": {"2024-01-01 12:00:00.123456"}, - }, - "SELECT timestamp_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"timestamp_column"}, - "types": {Uint32ToString(pgtype.TimestampOID)}, - "values": {"2024-01-01 12:00:00"}, - }, - "SELECT timestamp_ms_column FROM public.test_table WHERE timestamp_ms_column IS NOT NULL": { - "description": {"timestamp_ms_column"}, - "types": {Uint32ToString(pgtype.TimestampOID)}, - "values": {"2024-01-01 12:00:00.123"}, - }, - "SELECT timestamp_ms_column FROM public.test_table WHERE timestamp_ms_column IS NULL": { - "description": {"timestamp_ms_column"}, - "types": {Uint32ToString(pgtype.TimestampOID)}, - "values": {""}, - }, - "SELECT timestamptz_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"timestamptz_column"}, - "types": {Uint32ToString(pgtype.TimestampOID)}, - "values": {"2024-01-01 17:00:00.123456"}, - }, - "SELECT timestamptz_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"timestamptz_column"}, - "types": {Uint32ToString(pgtype.TimestampOID)}, - "values": {"2024-01-01 07:00:00.000123"}, - }, - "SELECT timestamptz_ms_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"timestamptz_ms_column"}, - "types": {Uint32ToString(pgtype.TimestampOID)}, - "values": {"2024-01-01 17:00:00.123"}, - }, - "SELECT timestamptz_ms_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"timestamptz_ms_column"}, - "types": {Uint32ToString(pgtype.TimestampOID)}, - "values": {"2024-01-01 07:00:00.12"}, - }, - "SELECT uuid_column FROM public.test_table WHERE uuid_column = '58a7c845-af77-44b2-8664-7ca613d92f04'": { - "description": {"uuid_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"58a7c845-af77-44b2-8664-7ca613d92f04"}, - }, - "SELECT uuid_column FROM public.test_table WHERE uuid_column IS NULL": { - "description": {"uuid_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT bytea_column FROM public.test_table WHERE bytea_column IS NOT NULL": { - "description": {"bytea_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"\\x1234"}, - }, - "SELECT bytea_column FROM public.test_table WHERE bytea_column IS NULL": { - "description": {"bytea_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT interval_column FROM public.test_table WHERE interval_column IS NOT NULL": { - "description": {"interval_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"1 mon 2 days 01:00:01.000001"}, - }, - "SELECT interval_column FROM public.test_table WHERE interval_column IS NULL": { - "description": {"interval_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT json_column FROM public.test_table WHERE json_column IS NOT NULL": { - "description": {"json_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"{\"key\": \"value\"}"}, - }, - "SELECT json_column FROM public.test_table WHERE json_column IS NULL": { - "description": {"json_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT jsonb_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"jsonb_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"{\"key\": \"value\"}"}, - }, - "SELECT jsonb_column->'key' AS key FROM public.test_table WHERE jsonb_column->>'key' = 'value'": { - "description": {"key"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"\"value\""}, - }, - "SELECT jsonb_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"jsonb_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"{}"}, - }, - "SELECT tsvector_column FROM public.test_table WHERE tsvector_column IS NOT NULL": { - "description": {"tsvector_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"'sampl':1 'text':2 'tsvector':4"}, - }, - "SELECT tsvector_column FROM public.test_table WHERE tsvector_column IS NULL": { - "description": {"tsvector_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT xml_column FROM public.test_table WHERE xml_column IS NOT NULL": { - "description": {"xml_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"text"}, - }, - "SELECT xml_column FROM public.test_table WHERE xml_column IS NULL": { - "description": {"xml_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT pg_snapshot_column FROM public.test_table WHERE pg_snapshot_column IS NOT NULL": { - "description": {"pg_snapshot_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"2784:2784:"}, - }, - "SELECT pg_snapshot_column FROM public.test_table WHERE pg_snapshot_column IS NULL": { - "description": {"pg_snapshot_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT point_column FROM public.test_table WHERE point_column IS NOT NULL": { - "description": {"point_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"(37.347301483154,45.002101898193)"}, - }, - "SELECT point_column FROM public.test_table WHERE point_column IS NULL": { - "description": {"point_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT inet_column FROM public.test_table WHERE inet_column IS NOT NULL": { - "description": {"inet_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"192.168.0.1"}, - }, - "SELECT inet_column FROM public.test_table WHERE inet_column IS NULL": { - "description": {"inet_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT array_text_column FROM public.test_table WHERE array_text_column IS NOT NULL": { - "description": {"array_text_column"}, - "types": {Uint32ToString(pgtype.TextArrayOID)}, - "values": {"{one,two,three}"}, - }, - "SELECT array_text_column FROM public.test_table WHERE array_text_column IS NULL": { - "description": {"array_text_column"}, - "types": {Uint32ToString(pgtype.TextArrayOID)}, - "values": {""}, - }, - "SELECT array_int_column FROM public.test_table WHERE bool_column = TRUE": { - "description": {"array_int_column"}, - "types": {Uint32ToString(pgtype.Int4ArrayOID)}, - "values": {"{1,2,3}"}, - }, - "SELECT array_int_column FROM public.test_table WHERE bool_column = FALSE": { - "description": {"array_int_column"}, - "types": {Uint32ToString(pgtype.Int4ArrayOID)}, - "values": {""}, - }, - "SELECT array_jsonb_column FROM public.test_table WHERE array_jsonb_column IS NOT NULL": { - "description": {"array_jsonb_column"}, - "types": {Uint32ToString(pgtype.TextArrayOID)}, - "values": {`{"{""key"": ""value1""}","{""key"": ""value2""}"}`}, - }, - "SELECT array_jsonb_column FROM public.test_table WHERE array_jsonb_column IS NULL": { - "description": {"array_jsonb_column"}, - "types": {Uint32ToString(pgtype.TextArrayOID)}, - "values": {""}, - }, - "SELECT array_ltree_column FROM public.test_table WHERE array_ltree_column IS NOT NULL": { - "description": {"array_ltree_column"}, - "types": {Uint32ToString(pgtype.TextArrayOID)}, - "values": {"{a.b,c.d}"}, - }, - "SELECT array_ltree_column FROM public.test_table WHERE array_ltree_column IS NULL": { - "description": {"array_ltree_column"}, - "types": {Uint32ToString(pgtype.TextArrayOID)}, - "values": {""}, - }, - "SELECT user_defined_column FROM public.test_table WHERE user_defined_column IS NOT NULL": { - "description": {"user_defined_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"(Toronto)"}, - }, - "SELECT user_defined_column FROM public.test_table WHERE user_defined_column IS NULL": { - "description": {"user_defined_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT relforcerowsecurity FROM pg_catalog.pg_class LIMIT 1": { - "description": {"relforcerowsecurity"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {"f"}, - }, - }) - }) - - t.Run("Type casts", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT '\"public\".\"test_table\"'::regclass::oid > 0 AS oid": { - "description": {"oid"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {"t"}, - }, - "SELECT FORMAT('%I.%I', 'public', 'test_table')::regclass::oid > 0 AS oid": { // NOTE: ::regclass::oid on non-constants is not fully supported yet - "description": {"oid"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {""}, - }, - "SELECT attrelid > 0 AS attrelid FROM pg_attribute WHERE attrelid = '\"public\".\"test_table\"'::regclass LIMIT 1": { - "description": {"attrelid"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {"t"}, - }, - "SELECT COUNT(*) AS count FROM pg_attribute WHERE attrelid = '\"public\".\"test_table\"'::regclass": { - "description": {"count"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"41"}, - }, - "SELECT objoid, classoid, objsubid, description FROM pg_description WHERE classoid = 'pg_class'::regclass": { - "description": {"objoid", "classoid", "objsubid", "description"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int4OID), Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT d.objoid, d.classoid, c.relname, d.description FROM pg_description d JOIN pg_class c ON d.classoid = 'pg_class'::regclass": { - "description": {"objoid", "classoid", "relname", "description"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT objoid, classoid, objsubid, description FROM (SELECT * FROM pg_description WHERE classoid = 'pg_class'::regclass) d": { - "description": {"objoid", "classoid", "objsubid", "description"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int4OID), Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT objoid, classoid, objsubid, description FROM pg_description WHERE (classoid = 'pg_class'::regclass AND objsubid = 0) OR classoid = 'pg_type'::regclass": { - "description": {"objoid", "classoid", "objsubid", "description"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int4OID), Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT objoid, classoid, objsubid, description FROM pg_description WHERE classoid IN ('pg_class'::regclass, 'pg_type'::regclass)": { - "description": {"objoid", "classoid", "objsubid", "description"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.Int4OID), Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT objoid FROM pg_description WHERE classoid = CASE WHEN true THEN 'pg_class'::regclass ELSE 'pg_type'::regclass END": { - "description": {"objoid"}, - "types": {Uint32ToString(pgtype.OIDOID)}, - "values": {}, - }, - "SELECT word FROM (VALUES ('abort', 'U', 't', 'unreserved', 'can be bare label')) t(word, catcode, barelabel, catdesc, baredesc) WHERE word <> ALL('{a,abs,absolute,action}'::text[])": { - "description": {"word"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"abort"}, - }, - "SELECT NULL::text AS word": { - "description": {"word"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT t.x FROM (VALUES (1::int2, 'pg_type'::regclass)) t(x, y)": { - "description": {"x"}, - "types": {Uint32ToString(pgtype.Int2OID)}, - "values": {"1"}, - }, - "SELECT 'pg_catalog.array_in'::regproc AS regproc": { - "description": {"regproc"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"array_in"}, - }, - "SELECT uuid_column FROM test_table WHERE uuid_column IN ('58a7c845-af77-44b2-8664-7ca613d92f04'::uuid)": { - "description": {"uuid_column"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"58a7c845-af77-44b2-8664-7ca613d92f04"}, - }, - "SELECT '1 week'::INTERVAL AS interval": { - "description": {"interval"}, - "types": {Uint32ToString(pgtype.IntervalOID)}, - "values": {"0 months 7 days 0 microseconds"}, - }, - "SELECT date_trunc('month', '2025-02-24 15:58:23-05'::timestamptz + '-1 month'::interval) AS date": { - "description": {"date"}, - "types": {Uint32ToString(pgtype.TimestamptzOID)}, - "values": {"2025-01-01 00:00:00+00:00"}, - }, - "SELECT 'foo'::pg_catalog.text AS text": { - "description": {"text"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"foo"}, - }, - "SELECT 1::pg_catalog.regtype::pg_catalog.text AS text": { - "description": {"text"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"1"}, - }, - "SELECT 1 AS value ORDER BY 1::pg_catalog.regclass::pg_catalog.text": { - "description": {"value"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"1"}, - }, - "SELECT stxnamespace::pg_catalog.regnamespace::pg_catalog.text AS text FROM pg_catalog.pg_statistic_ext": { - "description": {"text"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - }) - }) - - t.Run("FROM function()", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT * FROM pg_catalog.pg_get_keywords() LIMIT 1": { - "description": {"word", "catcode", "barelabel", "catdesc", "baredesc"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - "values": {"abort", "U", "t", "unreserved", "can be bare label"}, - }, - "SELECT pg_get_keywords.word FROM pg_catalog.pg_get_keywords() LIMIT 1": { - "description": {"word"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"abort"}, - }, - "SELECT * FROM generate_series(1, 2) AS series(index) LIMIT 1": { - "description": {"index"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"1"}, - }, - "SELECT * FROM generate_series(1, array_upper(current_schemas(FALSE), 1)) AS series(index) LIMIT 1": { - "description": {"index"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"1"}, - }, - "SELECT (information_schema._pg_expandarray(ARRAY[10])).n": { - "description": {"n"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {"1"}, - }, - "SELECT (information_schema._pg_expandarray(ARRAY[10])).x AS value": { - "description": {"value"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"10"}, - }, - }) - }) - - t.Run("JOIN", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT s.usename, r.rolconfig FROM pg_catalog.pg_shadow s LEFT JOIN pg_catalog.pg_roles r ON s.usename = r.rolname": { - "description": {"usename", "rolconfig"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"bemidb", ""}, - }, - "SELECT a.oid, pd.description FROM pg_catalog.pg_roles a LEFT JOIN pg_catalog.pg_shdescription pd ON a.oid = pd.objoid": { - "description": {"oid", "description"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID)}, - "values": {"10", ""}, - }, - "SELECT (SELECT 1 FROM (SELECT 1 AS inner_val) JOIN (SELECT NULL) ON inner_val = indclass[1]) AS test FROM pg_index": { - "description": {"test"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - }, - }) - }) - - t.Run("CASE", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT CASE WHEN true THEN 'yes' ELSE 'no' END AS case": { - "description": {"case"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"yes"}, - }, - "SELECT CASE WHEN false THEN 'yes' ELSE 'no' END AS case": { - "description": {"case"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"no"}, - }, - "SELECT CASE WHEN true THEN 'one' WHEN false THEN 'two' ELSE 'three' END AS case": { - "description": {"case"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"one"}, - }, - "SELECT CASE WHEN (SELECT count(extname) FROM pg_catalog.pg_extension WHERE extname = 'bdr') > 0 THEN 'pgd' WHEN (SELECT count(*) FROM pg_replication_slots) > 0 THEN 'log' ELSE NULL END AS type": { - "description": {"type"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {""}, - }, - "SELECT roles.oid AS id, roles.rolname AS name, roles.rolsuper AS is_superuser, CASE WHEN roles.rolsuper THEN true ELSE false END AS can_create_role FROM pg_catalog.pg_roles roles WHERE rolname = current_user": { - "description": {"id", "name", "is_superuser", "can_create_role"}, - "types": {Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.BoolOID)}, - "values": {}, - }, - "SELECT roles.oid AS id, roles.rolname AS name, roles.rolsuper AS is_superuser, CASE WHEN roles.rolsuper THEN true ELSE roles.rolcreaterole END AS can_create_role FROM pg_catalog.pg_roles roles WHERE rolname = current_user": { - "description": {"id", "name", "is_superuser", "can_create_role"}, - "types": {Uint32ToString(pgtype.Int8OID), Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.BoolOID)}, - "values": {}, - }, - "SELECT CASE WHEN TRUE THEN pg_catalog.pg_is_in_recovery() END AS CASE": { - "description": {"case"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {"f"}, - }, - "SELECT CASE WHEN FALSE THEN true ELSE pg_catalog.pg_is_in_recovery() END AS CASE": { - "description": {"case"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {"f"}, - }, - "SELECT CASE WHEN nsp.nspname = ANY('{information_schema}') THEN false ELSE true END AS db_support FROM pg_catalog.pg_namespace nsp WHERE nsp.oid = 1268::OID;": { - "description": {"db_support"}, - "types": {Uint32ToString(pgtype.BoolOID)}, - "values": {"t"}, - }, - "SELECT CASE WHEN FORMAT('%s', test_table.varchar_column) = 'varchar' THEN 1 ELSE 2 END AS test_case FROM test_table LIMIT 1": { - "description": {"test_case"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"1"}, - }, - }) - }) - - t.Run("WHERE pg_function()", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT gss_authenticated, encrypted FROM (SELECT false, false, false, false, false WHERE false) t(pid, gss_authenticated, principal, encrypted, credentials_delegated) WHERE pid = pg_backend_pid()": { - "description": {"gss_authenticated", "encrypted"}, - "types": {Uint32ToString(pgtype.BoolOID), Uint32ToString(pgtype.BoolOID)}, - "values": {}, - }, - }) - }) - - t.Run("WHERE with nested SELECT", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT int2_column FROM test_table WHERE int2_column > 0 AND int2_column = (SELECT int2_column FROM test_table WHERE int2_column = 32767)": { - "description": {"int2_column"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"32767"}, - }, - }) - }) - - t.Run("WHERE ANY(column reference)", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT id FROM test_table WHERE id = ANY(id)": { // NOTE: ... = ANY() on non-constants is not fully supported yet - "description": {"id"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - }, - }) - }) - - t.Run("WITH", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "WITH RECURSIVE simple_cte AS (SELECT oid, rolname FROM pg_roles WHERE rolname = 'postgres' UNION ALL SELECT oid, rolname FROM pg_roles) SELECT * FROM simple_cte": { - "description": {"oid", "rolname"}, - "types": {Uint32ToString(pgtype.OIDOID), Uint32ToString(pgtype.TextOID)}, - "values": {"10", "bemidb"}, - }, - }) - }) - - t.Run("ORDER BY", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT ARRAY(SELECT 1 FROM pg_enum ORDER BY enumsortorder) AS array": { - "description": {"array"}, - "types": {Uint32ToString(pgtype.Int4ArrayOID)}, - "values": {"{}"}, - }, - "SELECT test_table.id FROM public.test_table ORDER BY public.test_table.id DESC LIMIT 1": { - "description": {"id"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"2"}, - }, - }) - }) - - t.Run("GROUP BY", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT MAX(id) AS max FROM public.test_table GROUP BY public.test_table.id LIMIT 1": { - "description": {"max"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {"1"}, - }, - }) - }) - - t.Run("FROM table alias", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT pg_shadow.usename FROM pg_shadow": { - "description": {"usename"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"bemidb"}, - }, - "SELECT pg_roles.rolname FROM pg_roles": { - "description": {"rolname"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"bemidb"}, - }, - "SELECT pg_extension.extname FROM pg_extension": { - "description": {"extname"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"plpgsql"}, - }, - "SELECT pg_database.datname FROM pg_database": { - "description": {"datname"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {"bemidb"}, - }, - "SELECT pg_inherits.inhrelid FROM pg_inherits": { - "description": {"inhrelid"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {}, - }, - "SELECT pg_shdescription.objoid FROM pg_shdescription": { - "description": {"objoid"}, - "types": {Uint32ToString(pgtype.OIDOID)}, - "values": {}, - }, - "SELECT pg_statio_user_tables.relid FROM pg_statio_user_tables": { - "description": {"relid"}, - "types": {Uint32ToString(pgtype.Int8OID)}, - "values": {}, - }, - "SELECT pg_replication_slots.slot_name FROM pg_replication_slots": { - "description": {"slot_name"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - "SELECT pg_stat_gssapi.pid FROM pg_stat_gssapi": { - "description": {"pid"}, - "types": {Uint32ToString(pgtype.Int4OID)}, - "values": {}, - }, - "SELECT pg_auth_members.oid FROM pg_auth_members": { - "description": {"oid"}, - "types": {Uint32ToString(pgtype.TextOID)}, - "values": {}, - }, - }) - }) - - t.Run("Sublink", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT x.usename, (SELECT passwd FROM pg_shadow WHERE usename = x.usename) as password FROM pg_shadow x WHERE x.usename = 'bemidb'": { - "description": {"usename", "password"}, - "types": {Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}, - "values": {"bemidb", "bemidb-encrypted"}, - }, - }) - }) - - t.Run("Type comparisons", func(t *testing.T) { - testResponseByQuery(t, queryHandler, map[string]map[string][]string{ - "SELECT db.oid AS did, db.datname AS name, ta.spcname AS spcname, db.datallowconn, db.datistemplate AS is_template, pg_catalog.has_database_privilege(db.oid, 'CREATE') AS cancreate, datdba AS owner, descr.description FROM pg_catalog.pg_database db LEFT OUTER JOIN pg_catalog.pg_tablespace ta ON db.dattablespace = ta.oid LEFT OUTER JOIN pg_catalog.pg_shdescription descr ON (db.oid = descr.objoid AND descr.classoid = 'pg_database'::regclass) WHERE db.oid > 1145::OID OR db.datname IN ('postgres', 'edb') ORDER BY datname": { - "description": {"did", "name", "spcname", "datallowconn", "is_template", "cancreate", "owner", "description"}, - "types": { - Uint32ToString(pgtype.OIDOID), - Uint32ToString(pgtype.TextOID), - Uint32ToString(pgtype.TextOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.BoolOID), - Uint32ToString(pgtype.Int8OID), - Uint32ToString(pgtype.TextOID), - }, - "values": {"16388", "bemidb", "", "t", "f", "t", "10", ""}, - }, - }) - }) - - t.Run("Returns an error if a table does not exist", func(t *testing.T) { - _, err := queryHandler.HandleSimpleQuery("SELECT * FROM non_existent_table") - - if err == nil { - t.Errorf("Expected an error, got nil") - } - - expectedErrorMessage := strings.Join([]string{ - "Catalog Error: Table with name non_existent_table does not exist!", - "Did you mean \"test_table\"?", - "LINE 1: SELECT * FROM non_existent_table", - " ^", - }, "\n") - if err.Error() != expectedErrorMessage { - t.Errorf("Expected the error to be '"+expectedErrorMessage+"', got %v", err.Error()) - } - }) - - t.Run("Returns a result without a row description for SET queries", func(t *testing.T) { - messages, err := queryHandler.HandleSimpleQuery("SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL READ UNCOMMITTED") - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.CommandComplete{}, - }) - testCommandCompleteTag(t, messages[0], "SET") - }) - - t.Run("Allows setting and querying timezone", func(t *testing.T) { - queryHandler.HandleSimpleQuery("SET timezone = 'UTC'") - - messages, err := queryHandler.HandleSimpleQuery("show timezone") - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.RowDescription{}, - &pgproto3.DataRow{}, - &pgproto3.CommandComplete{}, - }) - testRowDescription(t, messages[0], []string{"timezone"}, []string{Uint32ToString(pgtype.TextOID)}) - testDataRowValues(t, messages[1], []string{"UTC"}) - testCommandCompleteTag(t, messages[2], "SHOW") - }) - - t.Run("Handles an empty query", func(t *testing.T) { - messages, err := queryHandler.HandleSimpleQuery("-- ping") - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.EmptyQueryResponse{}, - }) - }) - - t.Run("Handles a DISCARD ALL query", func(t *testing.T) { - messages, err := queryHandler.HandleSimpleQuery("DISCARD ALL") - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.CommandComplete{}, - }) - testCommandCompleteTag(t, messages[0], "DISCARD ALL") - }) - - t.Run("Handles a BEGIN query", func(t *testing.T) { - messages, err := queryHandler.HandleSimpleQuery("BEGIN") - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.CommandComplete{}, - }) - testCommandCompleteTag(t, messages[0], "BEGIN") - }) -} - -func TestHandleParseQuery(t *testing.T) { - queryHandler := initQueryHandler() - defer queryHandler.duckdb.Close() - - t.Run("Handles PARSE extended query step", func(t *testing.T) { - query := "SELECT usename, passwd FROM pg_shadow WHERE usename=$1" - message := &pgproto3.Parse{Query: query} - - messages, preparedStatement, err := queryHandler.HandleParseQuery(message) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.ParseComplete{}, - }) - - remappedQuery := "SELECT usename, passwd FROM main.pg_shadow WHERE usename = $1" - if preparedStatement.Query != remappedQuery { - t.Errorf("Expected the prepared statement query to be %v, got %v", remappedQuery, preparedStatement.Query) - } - if preparedStatement.Statement == nil { - t.Errorf("Expected the prepared statement to have a statement") - } - }) - - t.Run("Handles PARSE extended query step if query is empty", func(t *testing.T) { - message := &pgproto3.Parse{Query: ""} - - messages, preparedStatement, err := queryHandler.HandleParseQuery(message) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.ParseComplete{}, - }) - - if preparedStatement.Query != "" { - t.Errorf("Expected the prepared statement query to be empty, got %v", preparedStatement.Query) - } - if preparedStatement.Statement != nil { - t.Errorf("Expected the prepared statement not to have a statement, got %v", preparedStatement.Statement) - } - }) -} - -func TestHandleBindQuery(t *testing.T) { - createTestTables(t) - queryHandler := initQueryHandler() - defer queryHandler.duckdb.Close() - - t.Run("Handles BIND extended query step with text format parameter", func(t *testing.T) { - parseMessage := &pgproto3.Parse{Query: "SELECT usename, passwd FROM pg_shadow WHERE usename=$1"} - _, preparedStatement, err := queryHandler.HandleParseQuery(parseMessage) - testNoError(t, err) - - bindMessage := &pgproto3.Bind{ - Parameters: [][]byte{[]byte("bemidb")}, - ParameterFormatCodes: []int16{0}, // Text format - } - messages, preparedStatement, err := queryHandler.HandleBindQuery(bindMessage, preparedStatement) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.BindComplete{}, - }) - if len(preparedStatement.Variables) != 1 { - t.Errorf("Expected the prepared statement to have 1 variable, got %v", len(preparedStatement.Variables)) - } - if preparedStatement.Variables[0] != "bemidb" { - t.Errorf("Expected the prepared statement variable to be 'bemidb', got %v", preparedStatement.Variables[0]) - } - }) - - t.Run("Handles BIND extended query step with binary format 4-byte parameter", func(t *testing.T) { - parseMessage := &pgproto3.Parse{Query: "SELECT c.oid FROM pg_catalog.pg_class c WHERE c.relnamespace = $1"} - _, preparedStatement, err := queryHandler.HandleParseQuery(parseMessage) - testNoError(t, err) - - paramValue := int32(2200) - paramBytes := make([]byte, 4) - binary.BigEndian.PutUint32(paramBytes, uint32(paramValue)) - - bindMessage := &pgproto3.Bind{ - Parameters: [][]byte{paramBytes}, - ParameterFormatCodes: []int16{1}, // Binary format - } - messages, preparedStatement, err := queryHandler.HandleBindQuery(bindMessage, preparedStatement) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.BindComplete{}, - }) - if len(preparedStatement.Variables) != 1 { - t.Errorf("Expected the prepared statement to have 1 variable, got %v", len(preparedStatement.Variables)) - } - if preparedStatement.Variables[0] != paramValue { - t.Errorf("Expected the prepared statement variable to be %v, got %v", paramValue, preparedStatement.Variables[0]) - } - }) - - t.Run("Handles BIND extended query step with binary format 8-byte parameter", func(t *testing.T) { - parseMessage := &pgproto3.Parse{Query: "SELECT c.oid FROM pg_catalog.pg_class c WHERE c.relnamespace = $1"} - _, preparedStatement, err := queryHandler.HandleParseQuery(parseMessage) - testNoError(t, err) - - paramValue := int64(2200) - paramBytes := make([]byte, 8) - binary.BigEndian.PutUint64(paramBytes, uint64(paramValue)) - - bindMessage := &pgproto3.Bind{ - Parameters: [][]byte{paramBytes}, - ParameterFormatCodes: []int16{1}, // Binary format - } - messages, preparedStatement, err := queryHandler.HandleBindQuery(bindMessage, preparedStatement) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.BindComplete{}, - }) - if len(preparedStatement.Variables) != 1 { - t.Errorf("Expected the prepared statement to have 1 variable, got %v", len(preparedStatement.Variables)) - } - if preparedStatement.Variables[0] != paramValue { - t.Errorf("Expected the prepared statement variable to be %v, got %v", paramValue, preparedStatement.Variables[0]) - } - }) - - t.Run("Handles BIND extended query step with binary format 16-byte (uuid) parameter", func(t *testing.T) { - parseMessage := &pgproto3.Parse{Query: "SELECT uuid_column FROM public.test_table WHERE uuid_column = $1"} - _, preparedStatement, err := queryHandler.HandleParseQuery(parseMessage) - testNoError(t, err) - - uuidParam := "58a7c845-af77-44b2-8664-7ca613d92f04" - paramBytes, _ := uuid.Must(uuid.Parse(uuidParam)).MarshalBinary() - - bindMessage := &pgproto3.Bind{ - Parameters: [][]byte{paramBytes}, - ParameterFormatCodes: []int16{1}, // Binary format - } - messages, preparedStatement, err := queryHandler.HandleBindQuery(bindMessage, preparedStatement) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.BindComplete{}, - }) - if len(preparedStatement.Variables) != 1 { - t.Errorf("Expected the prepared statement to have 1 variable, got %v", len(preparedStatement.Variables)) - } - if preparedStatement.Variables[0] != uuidParam { - t.Errorf("Expected the prepared statement variable to be %v, got %v", uuidParam, preparedStatement.Variables[0]) - } - }) -} - -func TestHandleDescribeQuery(t *testing.T) { - queryHandler := initQueryHandler() - defer queryHandler.duckdb.Close() - - t.Run("Handles DESCRIBE extended query step", func(t *testing.T) { - query := "SELECT usename, passwd FROM pg_shadow WHERE usename=$1" - parseMessage := &pgproto3.Parse{Query: query} - _, preparedStatement, _ := queryHandler.HandleParseQuery(parseMessage) - bindMessage := &pgproto3.Bind{Parameters: [][]byte{[]byte("bemidb")}} - _, preparedStatement, _ = queryHandler.HandleBindQuery(bindMessage, preparedStatement) - message := &pgproto3.Describe{ObjectType: 'P'} - - messages, preparedStatement, err := queryHandler.HandleDescribeQuery(message, preparedStatement) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.RowDescription{}, - }) - testRowDescription(t, messages[0], []string{"usename", "passwd"}, []string{Uint32ToString(pgtype.TextOID), Uint32ToString(pgtype.TextOID)}) - if preparedStatement.Rows == nil { - t.Errorf("Expected the prepared statement to have rows") - } - }) - - t.Run("Handles DESCRIBE extended query step if query is empty", func(t *testing.T) { - parseMessage := &pgproto3.Parse{Query: ""} - _, preparedStatement, _ := queryHandler.HandleParseQuery(parseMessage) - bindMessage := &pgproto3.Bind{} - _, preparedStatement, _ = queryHandler.HandleBindQuery(bindMessage, preparedStatement) - message := &pgproto3.Describe{ObjectType: 'P'} - - messages, _, err := queryHandler.HandleDescribeQuery(message, preparedStatement) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.NoData{}, - }) - }) - - t.Run("Handles DESCRIBE (Statement) extended query step if there was no BIND step", func(t *testing.T) { - query := "SELECT usename, passwd FROM pg_shadow WHERE usename=$1" - parseMessage := &pgproto3.Parse{Query: query, ParameterOIDs: []uint32{pgtype.TextOID}} - _, preparedStatement, _ := queryHandler.HandleParseQuery(parseMessage) - message := &pgproto3.Describe{ObjectType: 'S'} - - messages, _, err := queryHandler.HandleDescribeQuery(message, preparedStatement) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.NoData{}, - }) - }) -} - -func TestHandleExecuteQuery(t *testing.T) { - queryHandler := initQueryHandler() - defer queryHandler.duckdb.Close() - - t.Run("Handles EXECUTE extended query step", func(t *testing.T) { - query := "SELECT usename, passwd FROM pg_shadow WHERE usename=$1" - parseMessage := &pgproto3.Parse{Query: query} - _, preparedStatement, _ := queryHandler.HandleParseQuery(parseMessage) - bindMessage := &pgproto3.Bind{Parameters: [][]byte{[]byte("bemidb")}} - _, preparedStatement, _ = queryHandler.HandleBindQuery(bindMessage, preparedStatement) - describeMessage := &pgproto3.Describe{ObjectType: 'P'} - _, preparedStatement, _ = queryHandler.HandleDescribeQuery(describeMessage, preparedStatement) - message := &pgproto3.Execute{} - - messages, err := queryHandler.HandleExecuteQuery(message, preparedStatement) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.DataRow{}, - &pgproto3.CommandComplete{}, - }) - testDataRowValues(t, messages[0], []string{"bemidb", "bemidb-encrypted"}) - }) - - t.Run("Handles EXECUTE extended query step if query is empty", func(t *testing.T) { - parseMessage := &pgproto3.Parse{Query: ""} - _, preparedStatement, _ := queryHandler.HandleParseQuery(parseMessage) - bindMessage := &pgproto3.Bind{} - _, preparedStatement, _ = queryHandler.HandleBindQuery(bindMessage, preparedStatement) - describeMessage := &pgproto3.Describe{ObjectType: 'P'} - _, preparedStatement, _ = queryHandler.HandleDescribeQuery(describeMessage, preparedStatement) - message := &pgproto3.Execute{} - - messages, err := queryHandler.HandleExecuteQuery(message, preparedStatement) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.EmptyQueryResponse{}, - }) - }) -} - -func TestHandleMultipleQueries(t *testing.T) { - queryHandler := initQueryHandler() - defer queryHandler.duckdb.Close() - - t.Run("Handles multiple SET statements", func(t *testing.T) { - query := `SET client_encoding TO 'UTF8'; -SET client_min_messages TO 'warning'; -SET standard_conforming_strings = on;` - - messages, err := queryHandler.HandleSimpleQuery(query) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.CommandComplete{}, - &pgproto3.CommandComplete{}, - &pgproto3.CommandComplete{}, - }) - testCommandCompleteTag(t, messages[0], "SET") - testCommandCompleteTag(t, messages[1], "SET") - testCommandCompleteTag(t, messages[2], "SET") - }) - - t.Run("Handles mixed SET and SELECT statements", func(t *testing.T) { - query := `SET client_encoding TO 'UTF8'; -SELECT passwd FROM pg_shadow WHERE usename='bemidb';` - - messages, err := queryHandler.HandleSimpleQuery(query) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.CommandComplete{}, - &pgproto3.RowDescription{}, - &pgproto3.DataRow{}, - &pgproto3.CommandComplete{}, - }) - testCommandCompleteTag(t, messages[0], "SET") - testDataRowValues(t, messages[2], []string{"bemidb-encrypted"}) - testCommandCompleteTag(t, messages[3], "SELECT 1") - }) - - t.Run("Handles multiple SELECT statements", func(t *testing.T) { - query := `SELECT 1; -SELECT passwd FROM pg_shadow WHERE usename='bemidb';` - - messages, err := queryHandler.HandleSimpleQuery(query) - - testNoError(t, err) - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.RowDescription{}, - &pgproto3.DataRow{}, - &pgproto3.CommandComplete{}, - &pgproto3.RowDescription{}, - &pgproto3.DataRow{}, - &pgproto3.CommandComplete{}, - }) - testDataRowValues(t, messages[1], []string{"1"}) - testCommandCompleteTag(t, messages[2], "SELECT 1") - testDataRowValues(t, messages[4], []string{"bemidb-encrypted"}) - testCommandCompleteTag(t, messages[5], "SELECT 1") - }) - - t.Run("Handles error in any of multiple statements", func(t *testing.T) { - query := `SET client_encoding TO 'UTF8'; -SELECT * FROM non_existent_table; -SET standard_conforming_strings = on;` - - _, err := queryHandler.HandleSimpleQuery(query) - - if err == nil { - t.Error("Expected an error for non-existent table, got nil") - return - } - - if !strings.Contains(err.Error(), "non_existent_table") { - t.Errorf("Expected error message to contain 'non_existent_table', got: %s", err.Error()) - } - }) -} - -func initQueryHandler() *QueryHandler { - config := loadTestConfig() - duckdb := NewDuckdb(config, true) - icebergReader := NewIcebergReader(config) - duckdb.ExecFile(icebergReader.InternalStartSqlFile()) - return NewQueryHandler(config, duckdb, icebergReader) -} - -func createTestTables(t *testing.T) { - config := loadTestConfig() - - createTestTable(config, IcebergSchemaTable{Schema: "public", Table: "test_table"}, PUBLIC_SCHEMA_TEST_TABLE_PG_SCHEMA_COLUMNS, PUBLIC_SCHEMA_TEST_TABLE_LOADED_ROWS) - createTestTable(config, IcebergSchemaTable{Schema: "public", Table: "partitioned_table1"}, PUBLIC_SCHEMA_PARTITIONED_TABLE_PG_SCHEMA_COLUMNS, PUBLIC_SCHEMA_PARTITIONED_TABLE1_LOADED_ROWS) - createTestTable(config, IcebergSchemaTable{Schema: "public", Table: "partitioned_table2"}, PUBLIC_SCHEMA_PARTITIONED_TABLE_PG_SCHEMA_COLUMNS, PUBLIC_SCHEMA_PARTITIONED_TABLE2_LOADED_ROWS) - createTestTable(config, IcebergSchemaTable{Schema: "public", Table: "partitioned_table3"}, PUBLIC_SCHEMA_PARTITIONED_TABLE_PG_SCHEMA_COLUMNS, PUBLIC_SCHEMA_PARTITIONED_TABLE3_LOADED_ROWS) - createTestTable(config, IcebergSchemaTable{Schema: "test", Table: "empty_table"}, TEST_SCHEMA_EMPTY_TABLE_PG_SCHEMA_COLUMNS, TEST_SCHEMA_EMPTY_TABLE_LOADED_ROWS) - - syncer := NewSyncer(config) - syncer.WriteInternalStartSqlFile([]PgSchemaTable{ - {Schema: "public", Table: "test_table"}, - {Schema: "public", Table: "partitioned_table1", ParentPartitionedTable: "partitioned_table"}, - {Schema: "public", Table: "partitioned_table2", ParentPartitionedTable: "partitioned_table"}, - {Schema: "public", Table: "partitioned_table3", ParentPartitionedTable: "partitioned_table"}, - {Schema: "test", Table: "empty_table"}, - }) - - t.Cleanup(func() { - syncer.icebergWriter.DeleteSchema("public") - syncer.icebergWriter.DeleteSchema("test") - syncer.icebergWriter.WriteInternalStartSqlFile([]string{}) - }) -} - -func createTestTable(config *Config, icebergSchemaTable IcebergSchemaTable, pgSchemaColumns []PgSchemaColumn, rows [][]string) StorageInterface { - xmin := uint32(0) - internalTableMetadata := InternalTableMetadata{LastSyncedAt: 1744813713, LastRefreshMode: RefreshModeFull, MaxXmin: &xmin} - icebergTableWriter := NewIcebergWriterTable(config, icebergSchemaTable, pgSchemaColumns, 777, MAX_PARQUET_PAYLOAD_THRESHOLD, false) - i := 0 - icebergTableWriter.Write( - func() ([][]string, InternalTableMetadata) { - if i > 0 { - return [][]string{}, internalTableMetadata - } - - i++ - return rows, internalTableMetadata - }, - ) - - return icebergTableWriter.storage -} - -func testNoError(t *testing.T, err error) { - if err != nil { - t.Errorf("Expected no error, got %v", err) - } -} - -func testMessageTypes(t *testing.T, messages []pgproto3.Message, expectedTypes []pgproto3.Message) { - if len(messages) != len(expectedTypes) { - t.Errorf("Expected %v messages, got %v", len(expectedTypes), len(messages)) - } - - for i, expectedType := range expectedTypes { - if reflect.TypeOf(messages[i]) != reflect.TypeOf(expectedType) { - t.Errorf("Expected the %v message to be a %v", i, expectedType) - } - } -} - -func testRowDescription(t *testing.T, rowDescriptionMessage pgproto3.Message, expectedColumnNames []string, expectedColumnTypes []string) { - rowDescription := rowDescriptionMessage.(*pgproto3.RowDescription) - - if len(rowDescription.Fields) != len(expectedColumnNames) { - t.Errorf("Expected %v row description fields, got %v", len(expectedColumnNames), len(rowDescription.Fields)) - } - - for i, expectedColumnName := range expectedColumnNames { - if string(rowDescription.Fields[i].Name) != expectedColumnName { - t.Errorf("Expected the %v row description field to be %v, got %v", i, expectedColumnName, string(rowDescription.Fields[i].Name)) - } - } - - for i, expectedColumnType := range expectedColumnTypes { - if Uint32ToString(rowDescription.Fields[i].DataTypeOID) != expectedColumnType { - t.Errorf("Expected the %v row description field data type to be %v, got %v", i, expectedColumnType, Uint32ToString(rowDescription.Fields[i].DataTypeOID)) - } - } -} - -func testDataRowValues(t *testing.T, dataRowMessage pgproto3.Message, expectedValues []string) { - dataRow := dataRowMessage.(*pgproto3.DataRow) - - if len(dataRow.Values) != len(expectedValues) { - t.Errorf("Expected %v data row values, got %v", len(expectedValues), len(dataRow.Values)) - } - - for i, expectedValue := range expectedValues { - if string(dataRow.Values[i]) != expectedValue { - t.Errorf("Expected the %v data row value to be %v, got %v", i, expectedValue, string(dataRow.Values[i])) - } - } -} - -func testCommandCompleteTag(t *testing.T, message pgproto3.Message, expectedTag string) { - commandComplete := message.(*pgproto3.CommandComplete) - if string(commandComplete.CommandTag) != expectedTag { - t.Errorf("Expected the command tag to be %v, got %v", expectedTag, string(commandComplete.CommandTag)) - } -} - -func testResponseByQuery(t *testing.T, queryHandler *QueryHandler, responseByQuery map[string]map[string][]string) { - for query, responses := range responseByQuery { - t.Run(query, func(t *testing.T) { - messages, err := queryHandler.HandleSimpleQuery(query) - - testNoError(t, err) - testRowDescription(t, messages[0], responses["description"], responses["types"]) - - if len(responses["values"]) > 0 { - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.RowDescription{}, - &pgproto3.DataRow{}, - &pgproto3.CommandComplete{}, - }) - testDataRowValues(t, messages[1], responses["values"]) - } else { - testMessageTypes(t, messages, []pgproto3.Message{ - &pgproto3.RowDescription{}, - &pgproto3.CommandComplete{}, - }) - } - }) - } -} diff --git a/src/query_remapper_select.go b/src/query_remapper_select.go deleted file mode 100644 index 2a05d89..0000000 --- a/src/query_remapper_select.go +++ /dev/null @@ -1,39 +0,0 @@ -package main - -import ( - pgQuery "github.com/pganalyze/pg_query_go/v5" -) - -type QueryRemapperSelect struct { - parserSelect *ParserSelect - parserFunction *ParserFunction - config *Config -} - -func NewQueryRemapperSelect(config *Config) *QueryRemapperSelect { - return &QueryRemapperSelect{ - parserSelect: NewParserSelect(config), - parserFunction: NewParserFunction(config), - config: config, - } -} - -// SELECT FUNCTION(...) -> SELECT FUNCTION(...) AS FUNCTION -func (remapper *QueryRemapperSelect) SetDefaultTargetNameToFunctionName(targetNode *pgQuery.Node) *pgQuery.Node { - functionCall := remapper.parserFunction.FunctionCall(targetNode) - if functionCall != nil { - schemaFunction := remapper.parserFunction.SchemaFunction(functionCall) - // FUNCTION(...) -> FUNCTION(...) AS FUNCTION - remapper.parserSelect.SetDefaultTargetName(targetNode, schemaFunction.Function) - return targetNode - } - - indirectionName := remapper.parserFunction.IndirectionName(targetNode) - if indirectionName != "" { - // (FUNCTION()).n -> (FUNCTION()).n AS n - remapper.parserSelect.SetDefaultTargetName(targetNode, indirectionName) - return targetNode - } - - return targetNode -} diff --git a/src/query_remapper_table.go b/src/query_remapper_table.go deleted file mode 100644 index 3e73d58..0000000 --- a/src/query_remapper_table.go +++ /dev/null @@ -1,280 +0,0 @@ -package main - -import ( - "context" - "regexp" - "strings" - - pgQuery "github.com/pganalyze/pg_query_go/v5" -) - -var PG_CATALOG_TABLE_NAMES = Set[string]{} -var PG_INFORMATION_SCHEMA_TABLE_NAMES = Set[string]{} - -func CreatePgCatalogTableQueries(config *Config) []string { - result := []string{ - // Static empty tables - "CREATE TABLE pg_inherits(inhrelid oid, inhparent oid, inhseqno int4, inhdetachpending bool)", - "CREATE TABLE pg_shdescription(objoid oid, classoid oid, description text)", - "CREATE TABLE pg_statio_user_tables(relid oid, schemaname text, relname text, heap_blks_read int8, heap_blks_hit int8, idx_blks_read int8, idx_blks_hit int8, toast_blks_read int8, toast_blks_hit int8, tidx_blks_read int8, tidx_blks_hit int8)", - "CREATE TABLE pg_replication_slots(slot_name text, plugin text, slot_type text, datoid oid, database text, temporary bool, active bool, active_pid int4, xmin int8, catalog_xmin int8, restart_lsn text, confirmed_flush_lsn text, wal_status text, safe_wal_size int8, two_phase bool, conflicting bool)", - "CREATE TABLE pg_stat_gssapi(pid int4, gss_authenticated bool, principal text, encrypted bool, credentials_delegated bool)", - "CREATE TABLE pg_auth_members(oid text, roleid oid, member oid, grantor oid, admin_option bool, inherit_option bool, set_option bool)", - "CREATE TABLE pg_stat_activity(datid oid, datname text, pid int4, usesysid oid, usename text, application_name text, client_addr inet, client_hostname text, client_port int4, backend_start timestamp, xact_start timestamp, query_start timestamp, state_change timestamp, wait_event_type text, wait_event text, state text, backend_xid int8, backend_xmin int8, query text, backend_type text)", - "CREATE TABLE pg_views(schemaname text, viewname text, viewowner text, definition text)", - "CREATE TABLE pg_matviews(schemaname text, matviewname text, matviewowner text, tablespace text, hasindexes bool, ispopulated bool, definition text)", - "CREATE TABLE pg_opclass(oid oid, opcmethod oid, opcname text, opcnamespace oid, opcowner oid, opcfamily oid, opcintype oid, opcdefault bool, opckeytype oid)", - "CREATE TABLE pg_policy(oid oid, polname text, polrelid oid, polcmd text, polpermissive bool, polroles oid, polqual text, polwithcheck text)", - "CREATE TABLE pg_statistic_ext(oid oid, stxrelid oid, stxname text, stxnamespace oid, stxowner oid, stxstattarget int4, stxkeys oid, stxkind text, stxexprs text)", - "CREATE TABLE pg_publication(oid oid, pubname text, pubowner oid, puballtables bool, pubinsert bool, pubupdate bool, pubdelete bool, pubtruncate bool, pubviaroot bool)", - "CREATE TABLE pg_publication_rel(oid oid, prpubid oid, prrelid oid, prqual text, prattrs text)", - "CREATE TABLE pg_publication_namespace(oid oid, pnpubid oid, pnnspid oid)", - - // Dynamic tables - // DuckDB doesn't handle dynamic view replacement properly - "CREATE TABLE pg_stat_user_tables(relid oid, schemaname text, relname text, seq_scan int8, last_seq_scan timestamp, seq_tup_read int8, idx_scan int8, last_idx_scan timestamp, idx_tup_fetch int8, n_tup_ins int8, n_tup_upd int8, n_tup_del int8, n_tup_hot_upd int8, n_tup_newpage_upd int8, n_live_tup int8, n_dead_tup int8, n_mod_since_analyze int8, n_ins_since_vacuum int8, last_vacuum timestamp, last_autovacuum timestamp, last_analyze timestamp, last_autoanalyze timestamp, vacuum_count int8, autovacuum_count int8, analyze_count int8, autoanalyze_count int8)", - - // Static views - "CREATE VIEW pg_shadow AS SELECT '" + config.User + "' AS usename, '10'::oid AS usesysid, FALSE AS usecreatedb, FALSE AS usesuper, TRUE AS userepl, FALSE AS usebypassrls, '" + config.EncryptedPassword + "' AS passwd, NULL::timestamp AS valuntil, NULL::text[] AS useconfig", - "CREATE VIEW pg_roles AS SELECT '10'::oid AS oid, '" + config.User + "' AS rolname, TRUE AS rolsuper, TRUE AS rolinherit, TRUE AS rolcreaterole, TRUE AS rolcreatedb, TRUE AS rolcanlogin, FALSE AS rolreplication, -1 AS rolconnlimit, NULL::text AS rolpassword, NULL::timestamp AS rolvaliduntil, FALSE AS rolbypassrls, NULL::text[] AS rolconfig", - "CREATE VIEW pg_extension AS SELECT '13823'::oid AS oid, 'plpgsql' AS extname, '10'::oid AS extowner, '11'::oid AS extnamespace, FALSE AS extrelocatable, '1.0'::text AS extversion, NULL::text[] AS extconfig, NULL::text[] AS extcondition", - "CREATE VIEW pg_database AS SELECT '16388'::oid AS oid, '" + config.Database + "' AS datname, '10'::oid AS datdba, '6'::int4 AS encoding, 'c' AS datlocprovider, FALSE AS datistemplate, TRUE AS datallowconn, '-1'::int4 AS datconnlimit, '722'::int8 AS datfrozenxid, '1'::int4 AS datminmxid, '1663'::oid AS dattablespace, 'en_US.UTF-8' AS datcollate, 'en_US.UTF-8' AS datctype, 'en_US.UTF-8' AS datlocale, NULL::text AS daticurules, NULL::text AS datcollversion, NULL::text[] AS datacl", - "CREATE VIEW pg_user AS SELECT '" + config.User + "' AS usename, '10'::oid AS usesysid, TRUE AS usecreatedb, TRUE AS usesuper, TRUE AS userepl, TRUE AS usebypassrls, '' AS passwd, NULL::timestamp AS valuntil, NULL::text[] AS useconfig", - "CREATE VIEW pg_collation AS SELECT '100'::oid AS oid, 'default' AS collname, '11'::oid AS collnamespace, '10'::oid AS collowner, 'd' AS collprovider, TRUE AS collisdeterministic, '-1'::int4 AS collencoding, NULL::text AS collcollate, NULL::text AS collctype, NULL::text AS colliculocale, NULL::text AS collicurules, NULL::text AS collversion", - "CREATE VIEW user AS SELECT '" + config.User + "' AS user", - - // Dynamic views - // DuckDB does not support indnullsnotdistinct column - "CREATE VIEW pg_index AS SELECT *, FALSE AS indnullsnotdistinct FROM pg_catalog.pg_index", - // Hide DuckDB's system and duplicate schemas - "CREATE VIEW pg_namespace AS SELECT * FROM pg_catalog.pg_namespace WHERE oid > 1265", - // DuckDB does not support relforcerowsecurity column - "CREATE VIEW pg_class AS SELECT *, FALSE AS relforcerowsecurity FROM pg_catalog.pg_class", - } - PG_CATALOG_TABLE_NAMES = extractTableNames(result) - return result -} - -func CreateInformationSchemaTableQueries(config *Config) []string { - result := []string{ - // Dynamic views - // DuckDB does not support udt_catalog, udt_schema, udt_name - `CREATE VIEW columns AS - SELECT - table_catalog, table_schema, table_name, column_name, ordinal_position, column_default, is_nullable, data_type, character_maximum_length, character_octet_length, numeric_precision, numeric_precision_radix, numeric_scale, datetime_precision, interval_type, interval_precision, character_set_catalog, character_set_schema, character_set_name, collation_catalog, collation_schema, collation_name, domain_catalog, domain_schema, domain_name, - '` + config.Database + `' AS udt_catalog, - 'pg_catalog' AS udt_schema, - CASE data_type - WHEN 'BIGINT' THEN 'int8' - WHEN 'BIGINT[]' THEN '_int8' - WHEN 'BLOB' THEN 'bytea' - WHEN 'BLOB[]' THEN '_bytea' - WHEN 'BOOLEAN' THEN 'bool' - WHEN 'BOOLEAN[]' THEN '_bool' - WHEN 'DATE' THEN 'date' - WHEN 'DATE[]' THEN '_date' - WHEN 'FLOAT' THEN 'float8' - WHEN 'FLOAT[]' THEN '_float8' - WHEN 'INTEGER' THEN 'int4' - WHEN 'INTEGER[]' THEN '_int4' - WHEN 'VARCHAR' THEN 'text' - WHEN 'VARCHAR[]' THEN '_text' - WHEN 'TIME' THEN 'time' - WHEN 'TIME[]' THEN '_time' - WHEN 'TIMESTAMP' THEN 'timestamp' - WHEN 'TIMESTAMP[]' THEN '_timestamp' - WHEN 'UUID' THEN 'uuid' - WHEN 'UUID[]' THEN '_uuid' - ELSE - CASE - WHEN starts_with(data_type, 'DECIMAL') THEN 'numeric' - END - END AS udt_name, - scope_catalog, scope_schema, scope_name, maximum_cardinality, dtd_identifier, is_self_referencing, is_identity, identity_generation, identity_start, identity_increment, identity_maximum, identity_minimum, identity_cycle, is_generated, generation_expression, is_updatable - FROM information_schema.columns`, - } - PG_INFORMATION_SCHEMA_TABLE_NAMES = extractTableNames(result) - return result -} - -type QueryRemapperTable struct { - parserTable *ParserTable - parserFunction *ParserFunction - remapperFunction *QueryRemapperFunction - icebergSchemaTables Set[IcebergSchemaTable] - icebergReader *IcebergReader - duckdb *Duckdb // nilable - config *Config -} - -func NewQueryRemapperTable(config *Config, icebergReader *IcebergReader, duckdb *Duckdb) *QueryRemapperTable { - remapper := &QueryRemapperTable{ - parserTable: NewParserTable(config), - parserFunction: NewParserFunction(config), - remapperFunction: NewQueryRemapperFunction(config, icebergReader), - icebergReader: icebergReader, - duckdb: duckdb, - config: config, - } - remapper.reloadIceberSchemaTables() - return remapper -} - -// FROM / JOIN [TABLE] -func (remapper *QueryRemapperTable) RemapTable(node *pgQuery.Node) *pgQuery.Node { - parser := remapper.parserTable - qSchemaTable := parser.NodeToQuerySchemaTable(node) - - // pg_catalog.pg_* system tables - if remapper.isTableFromPgCatalog(qSchemaTable) { - switch qSchemaTable.Table { - - // pg_class -> reload Iceberg tables - case PG_TABLE_PG_CLASS: - remapper.reloadIceberSchemaTables() - - // pg_stat_user_tables -> return Iceberg tables - case PG_TABLE_PG_STAT_USER_TABLES: - remapper.reloadIceberSchemaTables() - remapper.upsertPgStatUserTables(remapper.icebergSchemaTables) - } - - // pg_catalog.pg_table -> main.pg_table - if PG_CATALOG_TABLE_NAMES.Contains(qSchemaTable.Table) { - parser.RemapSchemaToMain(node) - return node - } - - // pg_catalog.pg_* other system tables -> return as is - return node - } - - // information_schema.* system tables - if parser.IsTableFromInformationSchema(qSchemaTable) { - switch qSchemaTable.Table { - // information_schema.tables -> reload Iceberg tables - case PG_TABLE_TABLES: - remapper.reloadIceberSchemaTables() - } - - // information_schema.table -> main.table - if PG_INFORMATION_SCHEMA_TABLE_NAMES.Contains(qSchemaTable.Table) { - parser.RemapSchemaToMain(node) - return node - } - - // information_schema.* other system tables -> return as is - return node - } - - // public.table -> FROM iceberg_scan('path', skip_schema_inference = true) table - // schema.table -> FROM iceberg_scan('path', skip_schema_inference = true) schema_table - schemaTable := qSchemaTable.ToIcebergSchemaTable() - if !remapper.icebergSchemaTables.Contains(schemaTable) { // Reload Iceberg tables if not found - remapper.reloadIceberSchemaTables() - if !remapper.icebergSchemaTables.Contains(schemaTable) { - return node // Let it return "Catalog Error: Table with name _ does not exist!" - } - } - icebergPath := remapper.icebergReader.MetadataFilePath(schemaTable) // iceberg/schema/table/metadata/v1.metadata.json - - return parser.MakeIcebergTableNode(QueryToIcebergTable{ - QuerySchemaTable: qSchemaTable, - IcebergTablePath: icebergPath, - }) -} - -// FROM FUNCTION() -func (remapper *QueryRemapperTable) RemapTableFunctionCall(rangeFunction *pgQuery.RangeFunction) { - schemaFunction := remapper.parserTable.TopLevelSchemaFunction(rangeFunction) - if schemaFunction != nil { - remapper.parserTable.SetAliasIfNotExists(rangeFunction, schemaFunction.Function) - } - - for _, functionCall := range remapper.parserTable.TableFunctionCalls(rangeFunction) { - remapper.remapperFunction.RemapFunctionCall(functionCall) - remapper.remapperFunction.RemapNestedFunctionCalls(functionCall) // recursion - } -} - -func (remapper *QueryRemapperTable) reloadIceberSchemaTables() { - newIcebergSchemaTables, err := remapper.icebergReader.SchemaTables() - if err != nil && strings.Contains(err.Error(), "no Iceberg directory found") { - PrintErrorAndExit(remapper.config, err.Error()+".\n\n"+ - "Please make sure to run 'bemidb sync' first.\n"+ - "See https://github.com/BemiHQ/BemiDB#quickstart for more information.") - } - PanicIfError(remapper.config, err) - - previousIcebergSchemaTables := remapper.icebergSchemaTables - remapper.icebergSchemaTables = newIcebergSchemaTables - - if remapper.duckdb == nil { - return - } - - ctx := context.Background() - // CREATE TABLE IF NOT EXISTS - for _, icebergSchemaTable := range newIcebergSchemaTables.Values() { - if !previousIcebergSchemaTables.Contains(icebergSchemaTable) { - icebergTableFields, err := remapper.icebergReader.TableFields(icebergSchemaTable) - PanicIfError(remapper.config, err) - - var sqlColumns []string - for _, icebergTableField := range icebergTableFields { - sqlColumns = append(sqlColumns, icebergTableField.ToSql()) - } - - _, err = remapper.duckdb.ExecContext(ctx, "CREATE SCHEMA IF NOT EXISTS "+icebergSchemaTable.Schema, nil) - PanicIfError(remapper.config, err) - _, err = remapper.duckdb.ExecContext(ctx, "CREATE TABLE IF NOT EXISTS "+icebergSchemaTable.String()+" ("+strings.Join(sqlColumns, ", ")+")", nil) - PanicIfError(remapper.config, err) - } - } - // DROP TABLE IF EXISTS - for _, icebergSchemaTable := range previousIcebergSchemaTables.Values() { - if !newIcebergSchemaTables.Contains(icebergSchemaTable) { - _, err = remapper.duckdb.ExecContext(ctx, "DROP TABLE IF EXISTS "+icebergSchemaTable.String(), nil) - PanicIfError(remapper.config, err) - } - } -} - -func (remapper *QueryRemapperTable) upsertPgStatUserTables(icebergSchemaTables Set[IcebergSchemaTable]) { - if remapper.duckdb == nil { - return - } - - values := make([]string, len(icebergSchemaTables)) - for i, icebergSchemaTable := range icebergSchemaTables.Values() { - values[i] = "('123456', '" + icebergSchemaTable.Schema + "', '" + icebergSchemaTable.Table + "', 0, NULL, 0, 0, NULL, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, NULL, NULL, NULL, NULL, 0, 0, 0, 0)" - } - - err := remapper.duckdb.ExecTransactionContext(context.Background(), []string{ - "DELETE FROM pg_stat_user_tables", - "INSERT INTO pg_stat_user_tables VALUES " + strings.Join(values, ", "), - }) - PanicIfError(remapper.config, err) -} - -// System pg_* tables -func (remapper *QueryRemapperTable) isTableFromPgCatalog(qSchemaTable QuerySchemaTable) bool { - return qSchemaTable.Schema == PG_SCHEMA_PG_CATALOG || - (qSchemaTable.Schema == "" && - (PG_SYSTEM_TABLES.Contains(qSchemaTable.Table) || PG_SYSTEM_VIEWS.Contains(qSchemaTable.Table)) && - !remapper.icebergSchemaTables.Contains(qSchemaTable.ToIcebergSchemaTable())) -} - -func extractTableNames(tables []string) Set[string] { - names := make(Set[string]) - re := regexp.MustCompile(`CREATE (TABLE|VIEW) (\w+)`) - - for _, table := range tables { - matches := re.FindStringSubmatch(table) - if len(matches) > 1 { - names.Add(matches[2]) - } - } - - return names -} diff --git a/src/storage_interface.go b/src/storage_interface.go deleted file mode 100644 index 0da6023..0000000 --- a/src/storage_interface.go +++ /dev/null @@ -1,145 +0,0 @@ -package main - -import ( - "fmt" - "io" -) - -type RefreshMode string - -const ( - RefreshModeFull RefreshMode = "FULL" - RefreshModeFullInProgress RefreshMode = "FULL_IN_PROGRESS" - RefreshModeIncremental RefreshMode = "INCREMENTAL" - RefreshModeIncrementalInProgress RefreshMode = "INCREMENTAL_IN_PROGRESS" - - INTERNAL_START_SQL_FILE_NAME = "bemidb-start.sql" -) - -type ParquetFileStats struct { - ColumnSizes map[int]int64 - ValueCounts map[int]int64 - NullValueCounts map[int]int64 - LowerBounds map[int][]byte - UpperBounds map[int][]byte - SplitOffsets []int64 -} - -type ParquetFile struct { - Uuid string - Path string - Size int64 - RecordCount int64 - Stats ParquetFileStats -} - -type ManifestFile struct { - RecordsDeleted bool - SnapshotId int64 - Path string - Size int64 - RecordCount int64 - DataFileSize int64 -} - -type ManifestListItem struct { - SequenceNumber int - ManifestFile ManifestFile -} - -type ManifestListFile struct { - SequenceNumber int - SnapshotId int64 - TimestampMs int64 - Path string - Operation string - AddedFilesSize int64 - AddedDataFiles int64 - AddedRecords int64 - RemovedFilesSize int64 - DeletedDataFiles int64 - DeletedRecords int64 -} - -type MetadataFile struct { - Version int64 - Path string -} - -type InternalTableMetadata struct { - LastRefreshMode RefreshMode `json:"last-refresh-mode"` - LastSyncedAt int64 `json:"last-synced-at"` - LastTxid int64 `json:"last-txid"` - MaxXmin *uint32 `json:"max-xmin"` -} - -func (internalTableMetadata InternalTableMetadata) IsInProgress() bool { - return internalTableMetadata.LastRefreshMode == RefreshModeIncrementalInProgress || internalTableMetadata.LastRefreshMode == RefreshModeFullInProgress -} - -func (internalTableMetadata InternalTableMetadata) MaxXminString() string { - if internalTableMetadata.MaxXmin == nil { - panic("MaxXmin is unexpectedly null. " + internalTableMetadata.String()) - } - return Uint32ToString(*internalTableMetadata.MaxXmin) -} - -func (internalTableMetadata InternalTableMetadata) LastWrappedAroundTxidString() string { - return Int64ToString(PgWraparoundTxid(internalTableMetadata.LastTxid)) -} - -func (internalTableMetadata InternalTableMetadata) String() string { - maxXmin := "null" - if internalTableMetadata.MaxXmin != nil { - maxXmin = Uint32ToString(*internalTableMetadata.MaxXmin) - } - - return fmt.Sprintf( - "LastRefreshMode: %s, LastSyncedAt: %d, MaxXmin: %s", - internalTableMetadata.LastRefreshMode, - internalTableMetadata.LastSyncedAt, - maxXmin, - ) -} - -type StorageInterface interface { - // Read - IcebergSchemas() (icebergSchemas []string, err error) - IcebergSchemaTables() (icebersSchemaTables Set[IcebergSchemaTable], err error) - IcebergMetadataFilePath(icebergSchemaTable IcebergSchemaTable) (path string) - IcebergTableFields(icebergSchemaTable IcebergSchemaTable) (icebergTableFields []IcebergTableField, err error) - ExistingManifestListFiles(metadataDirPath string) (manifestListFilesSortedAsc []ManifestListFile, err error) - ExistingManifestListItems(manifestListFile ManifestListFile) (manifestListItemsSortedDesc []ManifestListItem, err error) - ExistingParquetFilePath(manifestFile ManifestFile) (parquetFilePath string, err error) - - // Write - DeleteSchema(schema string) (err error) - DeleteSchemaTable(schemaTable IcebergSchemaTable) (err error) - CreateDataDir(schemaTable IcebergSchemaTable) (dataDirPath string) - CreateMetadataDir(schemaTable IcebergSchemaTable) (metadataDirPath string) - CreateParquet(dataDirPath string, pgSchemaColumns []PgSchemaColumn, maxPayloadThreshold int, loadRows func() ([][]string, InternalTableMetadata)) (parquetFile ParquetFile, internalTableMetadata InternalTableMetadata, err error) - CreateOverwrittenParquet(dataDirPath string, existingParquetFilePath string, newParquetFilePath string, pgSchemaColumns []PgSchemaColumn, dynamicRowCountPerBatch int) (overwrittenParquetFile ParquetFile, err error) - DeleteParquet(parquetFile ParquetFile) (err error) - CreateManifest(metadataDirPath string, parquetFile ParquetFile) (manifestFile ManifestFile, err error) - CreateDeletedRecordsManifest(metadataDirPath string, uuid string, existingManifestFile ManifestFile) (deletedRecsManifestFile ManifestFile, err error) - CreateManifestList(metadataDirPath string, parquetFileUuid string, manifestListItemsSortedDesc []ManifestListItem) (manifestListFile ManifestListFile, err error) - CreateMetadata(metadataDirPath string, pgSchemaColumns []PgSchemaColumn, manifestListFilesSortedAsc []ManifestListFile) (metadataFile MetadataFile, err error) - - // Read (internal) - InternalStartSqlFile() (sqlFile io.ReadCloser) - InternalTableMetadata(pgSchemaTable PgSchemaTable) (internalTableMetadata InternalTableMetadata, err error) - // Write (internal) - WriteInternalStartSqlFile(queries []string) (err error) - WriteInternalTableMetadata(metadataDirPath string, internalTableMetadata InternalTableMetadata) (err error) -} - -func NewStorage(config *Config) StorageInterface { - switch config.StorageType { - case STORAGE_TYPE_LOCAL: - return NewLocalStorage(config) - case STORAGE_TYPE_S3: - return NewS3Storage(config) - } - - return nil -} diff --git a/src/storage_local.go b/src/storage_local.go deleted file mode 100644 index b45f7cb..0000000 --- a/src/storage_local.go +++ /dev/null @@ -1,400 +0,0 @@ -package main - -import ( - "fmt" - "io" - "os" - "path/filepath" - "strings" - - "github.com/google/uuid" - "github.com/xitongsys/parquet-go-source/local" -) - -type StorageLocal struct { - config *Config - storageUtils *StorageUtils -} - -func NewLocalStorage(config *Config) *StorageLocal { - return &StorageLocal{config: config, storageUtils: &StorageUtils{config: config}} -} - -// Read ---------------------------------------------------------------------------------------------------------------- - -func (storage *StorageLocal) IcebergMetadataFilePath(icebergSchemaTable IcebergSchemaTable) string { - tablePath := storage.tablePath(icebergSchemaTable, true) - return filepath.Join(tablePath, "metadata", ICEBERG_METADATA_FILE_NAME) -} - -func (storage *StorageLocal) IcebergSchemas() (icebergSchemas []string, err error) { - schemasPath := storage.absoluteIcebergPath() - icebergSchemas, err = storage.nestedDirectories(schemasPath) - if err != nil { - return nil, err - } - - return icebergSchemas, nil -} - -func (storage *StorageLocal) IcebergSchemaTables() (Set[IcebergSchemaTable], error) { - icebergSchemaTables := make(Set[IcebergSchemaTable]) - schemasPath := storage.absoluteIcebergPath() - icebergSchemas, err := storage.IcebergSchemas() - if err != nil { - return nil, err - } - - for _, icebergSchema := range icebergSchemas { - tablesPath := filepath.Join(schemasPath, icebergSchema) - tables, err := storage.nestedDirectories(tablesPath) - if err != nil { - return nil, err - } - - for _, table := range tables { - icebergSchemaTables.Add(IcebergSchemaTable{Schema: icebergSchema, Table: table}) - } - } - - return icebergSchemaTables, nil -} - -func (storage *StorageLocal) IcebergTableFields(icebergSchemaTable IcebergSchemaTable) ([]IcebergTableField, error) { - metadataPath := storage.IcebergMetadataFilePath(icebergSchemaTable) - metadataContent, err := storage.readFileContent(metadataPath) - if err != nil { - return nil, err - } - - return storage.storageUtils.ParseIcebergTableFields(metadataContent) -} - -func (storage *StorageLocal) ExistingManifestListFiles(metadataDirPath string) ([]ManifestListFile, error) { - metadataPath := filepath.Join(metadataDirPath, ICEBERG_METADATA_FILE_NAME) - metadataContent, err := storage.readFileContent(metadataPath) - if err != nil { - return nil, err - } - - return storage.storageUtils.ParseManifestListFiles(storage.fileSystemPrefix(), metadataContent) -} - -func (storage *StorageLocal) ExistingManifestListItems(manifestListFile ManifestListFile) ([]ManifestListItem, error) { - manifestListContent, err := storage.readFileContent(manifestListFile.Path) - if err != nil { - return nil, err - } - - return storage.storageUtils.ParseManifestFiles(storage.fileSystemPrefix(), manifestListContent) -} - -func (storage *StorageLocal) ExistingParquetFilePath(manifestFile ManifestFile) (string, error) { - manifestContent, err := storage.readFileContent(manifestFile.Path) - if err != nil { - return "", err - } - - return storage.storageUtils.ParseParquetFilePath(storage.fileSystemPrefix(), manifestContent) -} - -// Write --------------------------------------------------------------------------------------------------------------- - -func (storage *StorageLocal) DeleteSchema(schema string) error { - schemaPath := storage.absoluteIcebergPath(schema) - - _, err := os.Stat(schemaPath) - if !os.IsNotExist(err) { - err := os.RemoveAll(schemaPath) - return err - } - - return nil -} - -func (storage *StorageLocal) DeleteSchemaTable(schemaTable IcebergSchemaTable) error { - tablePath := storage.tablePath(schemaTable) - - _, err := os.Stat(tablePath) - if !os.IsNotExist(err) { - err := os.RemoveAll(tablePath) - return err - } - - return nil -} - -func (storage *StorageLocal) CreateDataDir(schemaTable IcebergSchemaTable) string { - tablePath := storage.tablePath(schemaTable) - dataPath := filepath.Join(tablePath, "data") - err := os.MkdirAll(dataPath, os.ModePerm) - PanicIfError(storage.config, err) - return dataPath -} - -func (storage *StorageLocal) CreateMetadataDir(schemaTable IcebergSchemaTable) string { - tablePath := storage.tablePath(schemaTable) - metadataPath := filepath.Join(tablePath, "metadata") - err := os.MkdirAll(metadataPath, os.ModePerm) - PanicIfError(storage.config, err) - return metadataPath -} - -func (storage *StorageLocal) CreateParquet(dataDirPath string, pgSchemaColumns []PgSchemaColumn, maxPayloadThreshold int, loadRows func() ([][]string, InternalTableMetadata)) (parquetFile ParquetFile, internalTableMetadata InternalTableMetadata, err error) { - uuid := uuid.New().String() - fileName := fmt.Sprintf("00000-0-%s.parquet", uuid) - filePath := filepath.Join(dataDirPath, fileName) - - fileWriter, err := local.NewLocalFileWriter(filePath) - if err != nil { - return parquetFile, internalTableMetadata, fmt.Errorf("failed to open Parquet file for writing: %v", err) - } - - var recordCount int64 - recordCount, internalTableMetadata, err = storage.storageUtils.WriteParquetFile(fileWriter, pgSchemaColumns, maxPayloadThreshold, loadRows) - if err != nil { - return parquetFile, internalTableMetadata, err - } - LogDebug(storage.config, "Parquet file with", recordCount, "record(s) created at:", filePath) - - fileInfo, err := os.Stat(filePath) - if err != nil { - return parquetFile, internalTableMetadata, fmt.Errorf("failed to get Parquet file info: %v", err) - } - fileSize := fileInfo.Size() - - fileReader, err := local.NewLocalFileReader(filePath) - if err != nil { - return parquetFile, internalTableMetadata, fmt.Errorf("failed to open Parquet file for reading: %v", err) - } - parquetStats, err := storage.storageUtils.ReadParquetStats(fileReader) - if err != nil { - return parquetFile, internalTableMetadata, err - } - - return ParquetFile{ - Uuid: uuid, - Path: filePath, - Size: fileSize, - RecordCount: recordCount, - Stats: parquetStats, - }, internalTableMetadata, nil -} - -func (storage *StorageLocal) CreateOverwrittenParquet(dataDirPath string, existingParquetFilePath string, newParquetFilePath string, pgSchemaColumns []PgSchemaColumn, dynamicRowCountPerBatch int) (overwrittenParquetFile ParquetFile, err error) { - uuid := uuid.New().String() - fileName := fmt.Sprintf("00000-0-%s.parquet", uuid) - filePath := filepath.Join(dataDirPath, fileName) - - fileWriter, err := local.NewLocalFileWriter(filePath) - if err != nil { - return ParquetFile{}, fmt.Errorf("failed to open Parquet file for writing: %v", err) - } - - duckdb, err := storage.storageUtils.NewDuckDBIfHasOverlappingRows(storage.fileSystemPrefix(), existingParquetFilePath, newParquetFilePath, pgSchemaColumns) - if err != nil { - return ParquetFile{}, err - } - if duckdb == nil { - fileWriter.Close() - storage.DeleteParquet(ParquetFile{Path: filePath}) - return ParquetFile{}, nil - } - defer duckdb.Close() - - recordCount, err := storage.storageUtils.WriteOverwrittenParquetFile(duckdb, fileWriter, pgSchemaColumns, dynamicRowCountPerBatch) - if err != nil { - return ParquetFile{}, err - } - LogDebug(storage.config, "Parquet file with", recordCount, "record(s) created at:", filePath) - - fileInfo, err := os.Stat(filePath) - if err != nil { - return ParquetFile{}, fmt.Errorf("failed to get Parquet file info: %v", err) - } - fileSize := fileInfo.Size() - - fileReader, err := local.NewLocalFileReader(filePath) - if err != nil { - return ParquetFile{}, fmt.Errorf("failed to open Parquet file for reading: %v", err) - } - parquetStats, err := storage.storageUtils.ReadParquetStats(fileReader) - if err != nil { - return ParquetFile{}, err - } - - return ParquetFile{ - Uuid: uuid, - Path: filePath, - Size: fileSize, - RecordCount: recordCount, - Stats: parquetStats, - }, nil -} - -func (storage *StorageLocal) DeleteParquet(parquetFile ParquetFile) error { - err := os.Remove(parquetFile.Path) - return err -} - -func (storage *StorageLocal) CreateManifest(metadataDirPath string, parquetFile ParquetFile) (manifestFile ManifestFile, err error) { - fileName := fmt.Sprintf("%s-m0.avro", parquetFile.Uuid) - filePath := filepath.Join(metadataDirPath, fileName) - - manifestFile, err = storage.storageUtils.WriteManifestFile(storage.fileSystemPrefix(), filePath, parquetFile) - if err != nil { - return ManifestFile{}, err - } - LogDebug(storage.config, "Manifest file created at:", filePath) - - return manifestFile, nil -} - -func (storage *StorageLocal) CreateDeletedRecordsManifest(metadataDirPath string, uuid string, existingManifestFile ManifestFile) (deletedRecsManifestFile ManifestFile, err error) { - fileName := fmt.Sprintf("%s-m1.avro", uuid) - filePath := filepath.Join(metadataDirPath, fileName) - - existingManifestContent, err := storage.readFileContent(existingManifestFile.Path) - if err != nil { - return ManifestFile{}, err - } - - deletedRecsManifestFile, err = storage.storageUtils.WriteDeletedRecordsManifestFile(storage.fileSystemPrefix(), filePath, existingManifestContent) - if err != nil { - return ManifestFile{}, err - } - LogDebug(storage.config, "Manifest file created at:", filePath) - - return deletedRecsManifestFile, nil -} - -func (storage *StorageLocal) CreateManifestList(metadataDirPath string, parquetFileUuid string, manifestListItemsSortedDesc []ManifestListItem) (manifestListFile ManifestListFile, err error) { - fileName := fmt.Sprintf("snap-%d-0-%s.avro", manifestListItemsSortedDesc[0].ManifestFile.SnapshotId, parquetFileUuid) - filePath := filepath.Join(metadataDirPath, fileName) - - manifestListFile, err = storage.storageUtils.WriteManifestListFile(storage.fileSystemPrefix(), filePath, manifestListItemsSortedDesc) - if err != nil { - return ManifestListFile{}, err - } - LogDebug(storage.config, "Manifest list file created at:", filePath) - - return manifestListFile, nil -} - -func (storage *StorageLocal) CreateMetadata(metadataDirPath string, pgSchemaColumns []PgSchemaColumn, manifestListFilesSortedAsc []ManifestListFile) (metadataFile MetadataFile, err error) { - filePath := filepath.Join(metadataDirPath, ICEBERG_METADATA_FILE_NAME) - - err = storage.storageUtils.WriteMetadataFile(storage.fileSystemPrefix(), filePath, pgSchemaColumns, manifestListFilesSortedAsc) - if err != nil { - return MetadataFile{}, err - } - LogDebug(storage.config, "Metadata file created at:", filePath) - - return MetadataFile{Version: 1, Path: filePath}, nil -} - -// Read (internal) ----------------------------------------------------------------------------------------------------- - -func (storage *StorageLocal) InternalStartSqlFile() io.ReadCloser { - filePath := storage.absoluteIcebergPath(INTERNAL_START_SQL_FILE_NAME) - if !storage.fileExists(filePath) { - return io.NopCloser(strings.NewReader("")) - } - - file, err := os.Open(filePath) - PanicIfError(storage.config, err) - return file -} - -func (storage *StorageLocal) InternalTableMetadata(pgSchemaTable PgSchemaTable) (InternalTableMetadata, error) { - internalMetadataPath := storage.internalTableMetadataFilePath(pgSchemaTable) - if !storage.fileExists(internalMetadataPath) { - return InternalTableMetadata{}, nil - } - - internalMetadataContent, err := storage.readFileContent(internalMetadataPath) - PanicIfError(storage.config, err) - return storage.storageUtils.ParseInternalTableMetadata(internalMetadataContent) -} - -func (storage *StorageLocal) fileExists(filePath string) bool { - _, err := os.Stat(filePath) - if err != nil { - if os.IsNotExist(err) { - return false - } - PanicIfError(storage.config, err) - } - return true -} - -// Write (internal) ---------------------------------------------------------------------------------------------------- - -func (storage *StorageLocal) WriteInternalStartSqlFile(queries []string) error { - filePath := storage.absoluteIcebergPath(INTERNAL_START_SQL_FILE_NAME) - return storage.storageUtils.WriteInternalStartSqlFile(filePath, queries) -} - -func (storage *StorageLocal) WriteInternalTableMetadata(metadataDirPath string, internalTableMetadata InternalTableMetadata) error { - filePath := filepath.Join(metadataDirPath, INTERNAL_METADATA_FILE_NAME) - - err := storage.storageUtils.WriteInternalTableMetadataFile(filePath, internalTableMetadata) - if err != nil { - return err - } - LogDebug(storage.config, "Internal table metadata file created at:", filePath) - - return nil -} - -// --------------------------------------------------------------------------------------------------------------------- - -func (storage *StorageLocal) readFileContent(filePath string) ([]byte, error) { - file, err := os.Open(filePath) - if err != nil { - return nil, err - } - defer file.Close() - - return io.ReadAll(file) -} - -func (storage *StorageLocal) internalTableMetadataFilePath(pgSchemaTable PgSchemaTable) string { - return filepath.Join(storage.tablePath(pgSchemaTable.ToIcebergSchemaTable()), "metadata", INTERNAL_METADATA_FILE_NAME) -} - -func (storage *StorageLocal) tablePath(schemaTable IcebergSchemaTable, readWithoutSchemaPrefix ...bool) string { - if len(readWithoutSchemaPrefix) > 0 && readWithoutSchemaPrefix[0] { - return storage.absoluteIcebergPath(schemaTable.Schema, schemaTable.Table) - } - return storage.absoluteIcebergPath(storage.config.Pg.SchemaPrefix+schemaTable.Schema, schemaTable.Table) -} - -func (storage *StorageLocal) absoluteIcebergPath(relativePaths ...string) string { - if filepath.IsAbs(storage.config.StoragePath) { - return filepath.Join(storage.config.StoragePath, filepath.Join(relativePaths...)) - } - - execPath, err := os.Getwd() - PanicIfError(storage.config, err) - return filepath.Join(execPath, storage.config.StoragePath, filepath.Join(relativePaths...)) -} - -func (storage *StorageLocal) fileSystemPrefix() string { - return "" // DuckDB doesn't support file:// prefixes -} - -func (storage *StorageLocal) nestedDirectories(path string) (dirs []string, err error) { - files, err := os.ReadDir(path) - if err != nil { - return nil, fmt.Errorf("no Iceberg directory found (%v)", err.Error()) - } - - for _, file := range files { - if file.IsDir() { - dirs = append(dirs, file.Name()) - } - } - - return dirs, nil -} diff --git a/src/storage_local_test.go b/src/storage_local_test.go deleted file mode 100644 index 406895c..0000000 --- a/src/storage_local_test.go +++ /dev/null @@ -1,283 +0,0 @@ -package main - -import ( - "encoding/binary" - "os" - "testing" -) - -var TEST_STORAGE_PG_SCHEMA_COLUMNS = []PgSchemaColumn{ - {ColumnName: "id", DataType: "integer", UdtName: "int4", IsNullable: "NO", NumericPrecision: "32", OrdinalPosition: "1", Namespace: "pg_catalog"}, - {ColumnName: "name", DataType: "character varying", UdtName: "varchar", IsNullable: "YES", CharacterMaximumLength: "255", OrdinalPosition: "2", Namespace: "pg_catalog"}, -} -var TEST_STORAGE_ROWS = [][]string{ - {"1", "John"}, - {"2", PG_NULL_STRING}, -} - -func TestCreateParquet(t *testing.T) { - t.Run("Creates a parquet file", func(t *testing.T) { - tempDir := os.TempDir() - config := loadTestConfig() - storage := NewLocalStorage(config) - loadedRows := false - loadRows := func() ([][]string, InternalTableMetadata) { - if loadedRows { - return [][]string{}, InternalTableMetadata{} - } - loadedRows = true - return TEST_STORAGE_ROWS, InternalTableMetadata{} - } - - parquetFile, _, err := storage.CreateParquet(tempDir, TEST_STORAGE_PG_SCHEMA_COLUMNS, 0, loadRows) - - if err != nil { - t.Errorf("Expected no error, got %v", err) - } - if parquetFile.Uuid == "" { - t.Errorf("Expected a non-empty UUID, got %v", parquetFile.Uuid) - } - if parquetFile.Path == "" { - t.Errorf("Expected a non-empty path, got %v", parquetFile.Path) - } - if parquetFile.Size == 0 { - t.Errorf("Expected a non-zero size, got %v", parquetFile.Size) - } - if parquetFile.RecordCount != 2 { - t.Errorf("Expected a non-zero record count, got %v", parquetFile.RecordCount) - } - if len(parquetFile.Stats.ColumnSizes) != 2 { - t.Errorf("Expected 2 column sizes, got %v", len(parquetFile.Stats.ColumnSizes)) - } - if parquetFile.Stats.ColumnSizes[1] == 0 { - t.Errorf("Expected a non-zero column size, got %v", parquetFile.Stats.ColumnSizes[1]) - } - if parquetFile.Stats.ColumnSizes[2] == 0 { - t.Errorf("Expected a non-zero value count, got %v", parquetFile.Stats.ColumnSizes[2]) - } - if parquetFile.Stats.ValueCounts[1] != 2 { - t.Errorf("Expected a value count of 2, got %v", parquetFile.Stats.ValueCounts[1]) - } - if parquetFile.Stats.ValueCounts[2] != 2 { - t.Errorf("Expected a value count of 1, got %v", parquetFile.Stats.ValueCounts[2]) - } - if parquetFile.Stats.NullValueCounts[1] != 0 { - t.Errorf("Expected a null value count of 0, got %v", parquetFile.Stats.NullValueCounts[1]) - } - if parquetFile.Stats.NullValueCounts[2] != 1 { - t.Errorf("Expected a null value count of 1, got %v", parquetFile.Stats.NullValueCounts[2]) - } - if binary.LittleEndian.Uint32(parquetFile.Stats.LowerBounds[1]) != 1 { - t.Errorf("Expected a lower bound of 1, got %v", binary.LittleEndian.Uint32(parquetFile.Stats.LowerBounds[1])) - } - if string(parquetFile.Stats.LowerBounds[2]) != "John" { - t.Errorf("Expected a lower bound of John, got %v", parquetFile.Stats.LowerBounds[2]) - } - if binary.LittleEndian.Uint32(parquetFile.Stats.UpperBounds[1]) != 2 { - t.Errorf("Expected an upper bound of 2, got %v", binary.LittleEndian.Uint32(parquetFile.Stats.UpperBounds[1])) - } - if string(parquetFile.Stats.UpperBounds[2]) != "John" { - t.Errorf("Expected an upper bound of John, got %v", parquetFile.Stats.UpperBounds[2]) - } - if len(parquetFile.Stats.SplitOffsets) != 0 { - t.Errorf("Expected 0 split offsets, got %v", len(parquetFile.Stats.SplitOffsets)) - } - }) -} - -func TestCreateManifest(t *testing.T) { - t.Run("Creates a manifest file", func(t *testing.T) { - tempDir := os.TempDir() - config := loadTestConfig() - storage := NewLocalStorage(config) - parquetFile := createTestParquetFile(storage, tempDir) - - manifestFile, err := storage.CreateManifest(tempDir, parquetFile) - - if err != nil { - t.Errorf("Expected no error, got %v", err) - } - if manifestFile.SnapshotId == 0 { - t.Errorf("Expected a non-zero snapshot ID, got %v", manifestFile.SnapshotId) - } - if manifestFile.Path == "" { - t.Errorf("Expected a non-empty path, got %v", manifestFile.Path) - } - if manifestFile.Size == 0 { - t.Errorf("Expected a non-zero size, got %v", manifestFile.Size) - } - if manifestFile.RecordCount != parquetFile.RecordCount { - t.Errorf("Expected a record count of %v, got %v", parquetFile.RecordCount, manifestFile.RecordCount) - } - if manifestFile.DataFileSize != parquetFile.Size { - t.Errorf("Expected a data file size of %v, got %v", parquetFile.Size, manifestFile.DataFileSize) - } - }) -} - -func TestCreateManifestList(t *testing.T) { - t.Run("Creates a manifest list file", func(t *testing.T) { - tempDir := os.TempDir() - config := loadTestConfig() - storage := NewLocalStorage(config) - parquetFile := createTestParquetFile(storage, tempDir) - manifestFile, err := storage.CreateManifest(tempDir, parquetFile) - PanicIfError(config, err) - manifestListItem := ManifestListItem{SequenceNumber: 1, ManifestFile: manifestFile} - - manifestListFile, err := storage.CreateManifestList(tempDir, parquetFile.Uuid, []ManifestListItem{manifestListItem}) - - if err != nil { - t.Errorf("Expected no error, got %v", err) - } - if manifestListFile.SnapshotId != manifestFile.SnapshotId { - t.Errorf("Expected a snapshot ID of %v, got %v", manifestFile.SnapshotId, manifestListFile.SnapshotId) - } - if manifestListFile.TimestampMs == 0 { - t.Errorf("Expected a non-zero timestamp, got %v", manifestListFile.TimestampMs) - } - if manifestListFile.Path == "" { - t.Errorf("Expected a non-empty path, got %v", manifestListFile.Path) - } - if manifestListFile.Operation != "append" { - t.Errorf("Expected an operation of append, got %v", manifestListFile.Operation) - } - if manifestListFile.AddedFilesSize != parquetFile.Size { - t.Errorf("Expected an added files size of %v, got %v", parquetFile.Size, manifestListFile.AddedFilesSize) - } - if manifestListFile.AddedDataFiles != 1 { - t.Errorf("Expected an added data files count of 1, got %v", manifestListFile.AddedDataFiles) - } - if manifestListFile.AddedRecords != parquetFile.RecordCount { - t.Errorf("Expected an added records count of %v, got %v", parquetFile.RecordCount, manifestListFile.AddedRecords) - } - }) -} - -func TestCreateMetadata(t *testing.T) { - t.Run("Creates a metadata file", func(t *testing.T) { - tempDir := os.TempDir() - config := loadTestConfig() - storage := NewLocalStorage(config) - parquetFile := createTestParquetFile(storage, tempDir) - manifestFile, err := storage.CreateManifest(tempDir, parquetFile) - PanicIfError(config, err) - manifestListItem := ManifestListItem{SequenceNumber: 1, ManifestFile: manifestFile} - manifestListFile, err := storage.CreateManifestList(tempDir, parquetFile.Uuid, []ManifestListItem{manifestListItem}) - PanicIfError(config, err) - - metadataFile, err := storage.CreateMetadata(tempDir, TEST_STORAGE_PG_SCHEMA_COLUMNS, []ManifestListFile{manifestListFile}) - - if err != nil { - t.Errorf("Expected no error, got %v", err) - } - if metadataFile.Version != 1 { - t.Errorf("Expected a version of 1, got %v", metadataFile.Version) - } - if metadataFile.Path == "" { - t.Errorf("Expected a non-empty path, got %v", metadataFile.Path) - } - }) -} - -func TestExistingManifestListFiles(t *testing.T) { - t.Run("Returns existing manifest list files", func(t *testing.T) { - tempDir := os.TempDir() - config := loadTestConfig() - storage := NewLocalStorage(config) - parquetFile := createTestParquetFile(storage, tempDir) - manifestFile, err := storage.CreateManifest(tempDir, parquetFile) - PanicIfError(config, err) - manifestListItem := ManifestListItem{SequenceNumber: 1, ManifestFile: manifestFile} - manifestListFile, err := storage.CreateManifestList(tempDir, parquetFile.Uuid, []ManifestListItem{manifestListItem}) - PanicIfError(config, err) - _, err = storage.CreateMetadata(tempDir, TEST_STORAGE_PG_SCHEMA_COLUMNS, []ManifestListFile{manifestListFile}) - PanicIfError(config, err) - - existingManifestListFiles, err := storage.ExistingManifestListFiles(tempDir) - - if err != nil { - t.Errorf("Expected no error, got %v", err) - } - if len(existingManifestListFiles) != 1 { - t.Errorf("Expected 1 existing manifest list file, got %v", len(existingManifestListFiles)) - } - if existingManifestListFiles[0].SnapshotId != manifestListFile.SnapshotId { - t.Errorf("Expected a snapshot ID of %v, got %v", manifestListFile.SnapshotId, existingManifestListFiles[0].SnapshotId) - } - if existingManifestListFiles[0].TimestampMs != manifestListFile.TimestampMs { - t.Errorf("Expected a timestamp of %v, got %v", manifestListFile.TimestampMs, existingManifestListFiles[0].TimestampMs) - } - if existingManifestListFiles[0].Path != manifestListFile.Path { - t.Errorf("Expected a path of %v, got %v", manifestListFile.Path, existingManifestListFiles[0].Path) - } - if existingManifestListFiles[0].Operation != manifestListFile.Operation { - t.Errorf("Expected an operation of %v, got %v", manifestListFile.Operation, existingManifestListFiles[0].Operation) - } - if existingManifestListFiles[0].AddedFilesSize != manifestListFile.AddedFilesSize { - t.Errorf("Expected an added files size of %v, got %v", manifestListFile.AddedFilesSize, existingManifestListFiles[0].AddedFilesSize) - } - if existingManifestListFiles[0].AddedDataFiles != manifestListFile.AddedDataFiles { - t.Errorf("Expected an added data files count of %v, got %v", manifestListFile.AddedDataFiles, existingManifestListFiles[0].AddedDataFiles) - } - if existingManifestListFiles[0].AddedRecords != manifestListFile.AddedRecords { - t.Errorf("Expected an added records count of %v, got %v", manifestListFile.AddedRecords, existingManifestListFiles[0].AddedRecords) - } - }) -} - -func TestExistingManifestFiles(t *testing.T) { - t.Run("Returns existing manifest files", func(t *testing.T) { - tempDir := os.TempDir() - config := loadTestConfig() - storage := NewLocalStorage(config) - parquetFile := createTestParquetFile(storage, tempDir) - manifestFile, err := storage.CreateManifest(tempDir, parquetFile) - PanicIfError(config, err) - manifestListItem := ManifestListItem{SequenceNumber: 1, ManifestFile: manifestFile} - manifestListFile, err := storage.CreateManifestList(tempDir, parquetFile.Uuid, []ManifestListItem{manifestListItem}) - PanicIfError(config, err) - - existingManifestListItems, err := storage.ExistingManifestListItems(manifestListFile) - - if err != nil { - t.Errorf("Expected no error, got %v", err) - } - if len(existingManifestListItems) != 1 { - t.Errorf("Expected 1 existing manifest file, got %v", len(existingManifestListItems)) - } - if existingManifestListItems[0].SequenceNumber != 1 { - t.Errorf("Expected a sequence number of 1, got %v", existingManifestListItems[0].SequenceNumber) - } - if existingManifestListItems[0].ManifestFile.SnapshotId != manifestFile.SnapshotId { - t.Errorf("Expected a snapshot ID of %v, got %v", manifestFile.SnapshotId, existingManifestListItems[0].ManifestFile.SnapshotId) - } - if existingManifestListItems[0].ManifestFile.Path != manifestFile.Path { - t.Errorf("Expected a path of %v, got %v", manifestFile.Path, existingManifestListItems[0].ManifestFile.Path) - } - if existingManifestListItems[0].ManifestFile.Size != manifestFile.Size { - t.Errorf("Expected a size of %v, got %v", manifestFile.Size, existingManifestListItems[0].ManifestFile.Size) - } - if existingManifestListItems[0].ManifestFile.RecordCount != manifestFile.RecordCount { - t.Errorf("Expected a record count of %v, got %v", manifestFile.RecordCount, existingManifestListItems[0].ManifestFile.RecordCount) - } - }) -} - -func createTestParquetFile(storage *StorageLocal, dir string) ParquetFile { - loadedRows := false - loadRows := func() ([][]string, InternalTableMetadata) { - if loadedRows { - return [][]string{}, InternalTableMetadata{} - } - loadedRows = true - return TEST_STORAGE_ROWS, InternalTableMetadata{} - } - - parquetFile, _, err := storage.CreateParquet(dir, TEST_STORAGE_PG_SCHEMA_COLUMNS, 0, loadRows) - if err != nil { - panic(err) - } - - return parquetFile -} diff --git a/src/storage_s3.go b/src/storage_s3.go deleted file mode 100644 index 3f6f574..0000000 --- a/src/storage_s3.go +++ /dev/null @@ -1,532 +0,0 @@ -package main - -import ( - "context" - "errors" - "fmt" - "io" - "os" - "strings" - - "github.com/aws/aws-sdk-go-v2/aws" - awsConfig "github.com/aws/aws-sdk-go-v2/config" - "github.com/aws/aws-sdk-go-v2/credentials" - "github.com/aws/aws-sdk-go-v2/feature/s3/manager" - "github.com/aws/aws-sdk-go-v2/service/s3" - "github.com/aws/aws-sdk-go-v2/service/s3/types" - "github.com/google/uuid" - "github.com/xitongsys/parquet-go-source/s3v2" -) - -type StorageS3 struct { - s3Client *s3.Client - config *Config - storageUtils *StorageUtils -} - -func NewS3Storage(config *Config) *StorageS3 { - var awsConfigOptions = []func(*awsConfig.LoadOptions) error{ - awsConfig.WithRegion(config.Aws.Region), - } - - if config.LogLevel == LOG_LEVEL_TRACE { - awsConfigOptions = append(awsConfigOptions, awsConfig.WithClientLogMode(aws.LogRequest)) - } - - if IsLocalHost(config.Aws.S3Endpoint) { - awsConfigOptions = append(awsConfigOptions, awsConfig.WithBaseEndpoint("http://"+config.Aws.S3Endpoint)) - } else { - awsConfigOptions = append(awsConfigOptions, awsConfig.WithBaseEndpoint("https://"+config.Aws.S3Endpoint)) - } - - if config.Aws.AccessKeyId != "" && config.Aws.SecretAccessKey != "" { - awsCredentials := credentials.NewStaticCredentialsProvider( - config.Aws.AccessKeyId, - config.Aws.SecretAccessKey, - "", - ) - awsConfigOptions = append(awsConfigOptions, awsConfig.WithCredentialsProvider(awsCredentials)) - } - - loadedAwsConfig, err := awsConfig.LoadDefaultConfig(context.Background(), awsConfigOptions...) - PanicIfError(config, err) - - return &StorageS3{ - s3Client: s3.NewFromConfig(loadedAwsConfig), - config: config, - storageUtils: &StorageUtils{config: config}, - } -} - -// Read ---------------------------------------------------------------------------------------------------------------- - -func (storage *StorageS3) IcebergMetadataFilePath(icebergSchemaTable IcebergSchemaTable) string { - return storage.fullBucketPath() + storage.tablePrefix(icebergSchemaTable, true) + "metadata/" + ICEBERG_METADATA_FILE_NAME -} - -func (storage *StorageS3) IcebergSchemas() (icebergSchemas []string, err error) { - schemasPrefix := storage.config.StoragePath + "/" - icebergSchemas, err = storage.nestedDirectoryPrefixes(schemasPrefix) - if err != nil { - return nil, err - } - - for i, schema := range icebergSchemas { - schemaParts := strings.Split(schema, "/") - icebergSchemas[i] = schemaParts[len(schemaParts)-2] - } - - return icebergSchemas, nil -} - -func (storage *StorageS3) IcebergSchemaTables() (Set[IcebergSchemaTable], error) { - icebergSchemaTables := make(Set[IcebergSchemaTable]) - icebergSchemas, err := storage.IcebergSchemas() - if err != nil { - return nil, err - } - - for _, icebergSchema := range icebergSchemas { - tables, err := storage.nestedDirectoryPrefixes(storage.config.StoragePath + "/" + icebergSchema + "/") - if err != nil { - return nil, err - } - - for _, tablePrefix := range tables { - tableParts := strings.Split(tablePrefix, "/") - table := tableParts[len(tableParts)-2] - - icebergSchemaTables.Add(IcebergSchemaTable{Schema: icebergSchema, Table: table}) - } - } - - return icebergSchemaTables, nil -} - -func (storage *StorageS3) IcebergTableFields(icebergSchemaTable IcebergSchemaTable) ([]IcebergTableField, error) { - metadataPath := storage.tablePrefix(icebergSchemaTable, true) + "metadata/" + ICEBERG_METADATA_FILE_NAME - metadataContent, err := storage.readFileContent(metadataPath) - if err != nil { - return nil, err - } - - return storage.storageUtils.ParseIcebergTableFields(metadataContent) -} - -func (storage *StorageS3) ExistingManifestListFiles(metadataDirPath string) ([]ManifestListFile, error) { - metadataPath := metadataDirPath + "/" + ICEBERG_METADATA_FILE_NAME - metadataContent, err := storage.readFileContent(metadataPath) - if err != nil { - return nil, err - } - - return storage.storageUtils.ParseManifestListFiles(storage.fullBucketPath(), metadataContent) -} - -func (storage *StorageS3) ExistingManifestListItems(manifestListFile ManifestListFile) ([]ManifestListItem, error) { - manifestListContent, err := storage.readFileContent(manifestListFile.Path) - if err != nil { - return nil, err - } - - return storage.storageUtils.ParseManifestFiles(storage.fullBucketPath(), manifestListContent) -} - -func (storage *StorageS3) ExistingParquetFilePath(manifestFile ManifestFile) (string, error) { - manifestListContent, err := storage.readFileContent(manifestFile.Path) - if err != nil { - return "", err - } - - return storage.storageUtils.ParseParquetFilePath(storage.fullBucketPath(), manifestListContent) -} - -// Write --------------------------------------------------------------------------------------------------------------- - -func (storage *StorageS3) DeleteSchema(schema string) (err error) { - return storage.deleteNestedObjects(storage.config.StoragePath + "/" + schema + "/") -} - -func (storage *StorageS3) DeleteSchemaTable(schemaTable IcebergSchemaTable) (err error) { - tablePrefix := storage.tablePrefix(schemaTable) - return storage.deleteNestedObjects(tablePrefix) -} - -func (storage *StorageS3) CreateDataDir(schemaTable IcebergSchemaTable) (dataDirPath string) { - tablePrefix := storage.tablePrefix(schemaTable) - return tablePrefix + "data" -} - -func (storage *StorageS3) CreateMetadataDir(schemaTable IcebergSchemaTable) (metadataDirPath string) { - tablePrefix := storage.tablePrefix(schemaTable) - return tablePrefix + "metadata" -} - -func (storage *StorageS3) CreateParquet(dataDirPath string, pgSchemaColumns []PgSchemaColumn, maxPayloadThreshold int, loadRows func() ([][]string, InternalTableMetadata)) (parquetFile ParquetFile, internalTableMetadata InternalTableMetadata, err error) { - ctx := context.Background() - uuid := uuid.New().String() - fileName := fmt.Sprintf("00000-0-%s.parquet", uuid) - fileKey := dataDirPath + "/" + fileName - - fileWriter, err := s3v2.NewS3FileWriterWithClient(ctx, storage.s3Client, storage.config.Aws.S3Bucket, fileKey, nil) - if err != nil { - return parquetFile, internalTableMetadata, fmt.Errorf("failed to open Parquet file for writing: %v", err) - } - - var recordCount int64 - recordCount, internalTableMetadata, err = storage.storageUtils.WriteParquetFile(fileWriter, pgSchemaColumns, maxPayloadThreshold, loadRows) - if err != nil { - return parquetFile, internalTableMetadata, err - } - LogDebug(storage.config, "Parquet file with", recordCount, "record(s) created at:", fileKey) - - headObjectResponse, err := storage.s3Client.HeadObject(ctx, &s3.HeadObjectInput{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Key: aws.String(fileKey), - }) - if err != nil { - return parquetFile, internalTableMetadata, fmt.Errorf("failed to get Parquet file info: %v", err) - } - fileSize := *headObjectResponse.ContentLength - - fileReader, err := s3v2.NewS3FileReaderWithClient(ctx, storage.s3Client, storage.config.Aws.S3Bucket, fileKey) - if err != nil { - return parquetFile, internalTableMetadata, fmt.Errorf("failed to open Parquet file for reading: %v", err) - } - parquetStats, err := storage.storageUtils.ReadParquetStats(fileReader) - if err != nil { - return parquetFile, internalTableMetadata, err - } - - return ParquetFile{ - Uuid: uuid, - Path: fileKey, - Size: fileSize, - RecordCount: recordCount, - Stats: parquetStats, - }, internalTableMetadata, nil -} - -func (storage *StorageS3) CreateOverwrittenParquet(dataDirPath string, existingParquetFilePath string, newParquetFilePath string, pgSchemaColumns []PgSchemaColumn, dynamicRowCountPerBatch int) (overwrittenParquetFile ParquetFile, err error) { - ctx := context.Background() - uuid := uuid.New().String() - fileName := fmt.Sprintf("00000-0-%s.parquet", uuid) - fileKey := dataDirPath + "/" + fileName - - fileWriter, err := s3v2.NewS3FileWriterWithClient(ctx, storage.s3Client, storage.config.Aws.S3Bucket, fileKey, nil) - if err != nil { - return ParquetFile{}, fmt.Errorf("failed to open Parquet file for writing: %v", err) - } - - duckdb, err := storage.storageUtils.NewDuckDBIfHasOverlappingRows(storage.fullBucketPath(), existingParquetFilePath, newParquetFilePath, pgSchemaColumns) - if err != nil { - return ParquetFile{}, err - } - if duckdb == nil { - fileWriter.Close() - storage.DeleteParquet(ParquetFile{Path: fileKey}) - return ParquetFile{}, nil - } - defer duckdb.Close() - - recordCount, err := storage.storageUtils.WriteOverwrittenParquetFile(duckdb, fileWriter, pgSchemaColumns, dynamicRowCountPerBatch) - if err != nil { - return ParquetFile{}, err - } - LogDebug(storage.config, "Parquet file with", recordCount, "record(s) created at:", fileKey) - - headObjectResponse, err := storage.s3Client.HeadObject(ctx, &s3.HeadObjectInput{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Key: aws.String(fileKey), - }) - if err != nil { - return ParquetFile{}, fmt.Errorf("failed to get Parquet file info: %v", err) - } - fileSize := *headObjectResponse.ContentLength - - fileReader, err := s3v2.NewS3FileReaderWithClient(ctx, storage.s3Client, storage.config.Aws.S3Bucket, fileKey) - if err != nil { - return ParquetFile{}, fmt.Errorf("failed to open Parquet file for reading: %v", err) - } - parquetStats, err := storage.storageUtils.ReadParquetStats(fileReader) - if err != nil { - return ParquetFile{}, err - } - - return ParquetFile{ - Uuid: uuid, - Path: fileKey, - Size: fileSize, - RecordCount: recordCount, - Stats: parquetStats, - }, nil -} - -func (storage *StorageS3) DeleteParquet(parquetFile ParquetFile) (err error) { - ctx := context.Background() - _, err = storage.s3Client.DeleteObject(ctx, &s3.DeleteObjectInput{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Key: aws.String(parquetFile.Path), - }) - return err -} - -func (storage *StorageS3) CreateManifest(metadataDirPath string, parquetFile ParquetFile) (manifestFile ManifestFile, err error) { - fileName := fmt.Sprintf("%s-m0.avro", parquetFile.Uuid) - filePath := metadataDirPath + "/" + fileName - - err = storage.uploadTemporaryFile("manifest", filePath, func(tempFile *os.File) error { - manifestFile, err = storage.storageUtils.WriteManifestFile(storage.fullBucketPath(), tempFile.Name(), parquetFile) - return err - }) - if err != nil { - return manifestFile, err - } - LogDebug(storage.config, "Manifest file created at:", filePath) - - manifestFile.Path = filePath - return manifestFile, nil -} - -func (storage *StorageS3) CreateDeletedRecordsManifest(metadataDirPath string, uuid string, existingManifestFile ManifestFile) (deletedRecsManifestFile ManifestFile, err error) { - fileName := fmt.Sprintf("%s-m1.avro", uuid) - filePath := metadataDirPath + "/" + fileName - - existingManifestContent, err := storage.readFileContent(existingManifestFile.Path) - if err != nil { - return ManifestFile{}, err - } - - err = storage.uploadTemporaryFile("deleted-records-manifest", filePath, func(tempFile *os.File) error { - deletedRecsManifestFile, err = storage.storageUtils.WriteDeletedRecordsManifestFile(storage.fullBucketPath(), tempFile.Name(), existingManifestContent) - return err - }) - if err != nil { - return deletedRecsManifestFile, err - } - LogDebug(storage.config, "Manifest file created at:", filePath) - - return deletedRecsManifestFile, nil -} - -func (storage *StorageS3) CreateManifestList(metadataDirPath string, parquetFileUuid string, manifestListItemsSortedDesc []ManifestListItem) (manifestListFile ManifestListFile, err error) { - fileName := fmt.Sprintf("snap-%d-0-%s.avro", manifestListItemsSortedDesc[0].ManifestFile.SnapshotId, parquetFileUuid) - filePath := metadataDirPath + "/" + fileName - - err = storage.uploadTemporaryFile("manifest-list", filePath, func(tempFile *os.File) error { - manifestListFile, err = storage.storageUtils.WriteManifestListFile(storage.fullBucketPath(), tempFile.Name(), manifestListItemsSortedDesc) - return err - }) - if err != nil { - return manifestListFile, err - } - LogDebug(storage.config, "Manifest list file created at:", filePath) - - manifestListFile.Path = filePath - return manifestListFile, nil -} - -func (storage *StorageS3) CreateMetadata(metadataDirPath string, pgSchemaColumns []PgSchemaColumn, manifestListFilesSortedAsc []ManifestListFile) (metadataFile MetadataFile, err error) { - filePath := metadataDirPath + "/" + ICEBERG_METADATA_FILE_NAME - - err = storage.uploadTemporaryFile("metadata", filePath, func(tempFile *os.File) error { - return storage.storageUtils.WriteMetadataFile(storage.fullBucketPath(), tempFile.Name(), pgSchemaColumns, manifestListFilesSortedAsc) - }) - if err != nil { - return metadataFile, err - } - LogDebug(storage.config, "Metadata file created at:", filePath) - - return MetadataFile{Version: 1, Path: filePath}, nil -} - -// Read (internal) ----------------------------------------------------------------------------------------------------- - -func (storage *StorageS3) InternalStartSqlFile() io.ReadCloser { - filePath := storage.config.StoragePath + "/" + INTERNAL_START_SQL_FILE_NAME - - if !storage.fileExists(filePath) { - return io.NopCloser(strings.NewReader("")) - } - - ctx := context.Background() - getObjectResponse, err := storage.s3Client.GetObject(ctx, &s3.GetObjectInput{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Key: aws.String(filePath), - }) - PanicIfError(storage.config, err) - - return getObjectResponse.Body -} - -func (storage *StorageS3) InternalTableMetadata(pgSchemaTable PgSchemaTable) (InternalTableMetadata, error) { - internalMetadataPath := storage.internalTableMetadataFilePath(pgSchemaTable) - if !storage.fileExists(internalMetadataPath) { - return InternalTableMetadata{}, nil - } - - internalMetadataContent, err := storage.readFileContent(internalMetadataPath) - PanicIfError(storage.config, err) - return storage.storageUtils.ParseInternalTableMetadata(internalMetadataContent) -} - -// Write (internal) ---------------------------------------------------------------------------------------------------- - -func (storage *StorageS3) WriteInternalStartSqlFile(queries []string) error { - filePath := storage.config.StoragePath + "/" + INTERNAL_START_SQL_FILE_NAME - return storage.uploadTemporaryFile("internal-start-sql", filePath, func(tempFile *os.File) error { - return storage.storageUtils.WriteInternalStartSqlFile(tempFile.Name(), queries) - }) -} - -func (storage *StorageS3) WriteInternalTableMetadata(metadataDirPath string, internalTableMetadata InternalTableMetadata) error { - filePath := metadataDirPath + "/" + INTERNAL_METADATA_FILE_NAME - - err := storage.uploadTemporaryFile("internal-metadata", filePath, func(tempFile *os.File) error { - return storage.storageUtils.WriteInternalTableMetadataFile(tempFile.Name(), internalTableMetadata) - }) - if err != nil { - return err - } - LogDebug(storage.config, "Internal metadata file created at:", filePath) - - return nil -} - -// --------------------------------------------------------------------------------------------------------------------- - -func (storage *StorageS3) fileExists(filePath string) bool { - ctx := context.Background() - _, err := storage.s3Client.HeadObject(ctx, &s3.HeadObjectInput{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Key: aws.String(filePath), - }) - if err != nil { - var notFoundType *types.NotFound - if errors.As(err, ¬FoundType) { - return false - } - PanicIfError(storage.config, err) - } - return true -} - -func (storage *StorageS3) readFileContent(filePath string) ([]byte, error) { - ctx := context.Background() - getObjectResponse, err := storage.s3Client.GetObject(ctx, &s3.GetObjectInput{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Key: aws.String(filePath), - }) - if err != nil { - return nil, err - } - - fileContent, err := io.ReadAll(getObjectResponse.Body) - if err != nil { - return nil, err - } - - return fileContent, nil -} - -func (storage *StorageS3) uploadTemporaryFile(tempFilePattern string, uploadFilePath string, writeTempFileFunc func(*os.File) error) error { - tempFile, err := os.CreateTemp("", tempFilePattern) - if err != nil { - return err - } - defer func() { - os.Remove(tempFile.Name()) - }() - - err = writeTempFileFunc(tempFile) - if err != nil { - return err - } - - uploader := manager.NewUploader(storage.s3Client) - _, err = uploader.Upload(context.Background(), &s3.PutObjectInput{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Key: aws.String(uploadFilePath), - Body: tempFile, - }) - if err != nil { - return fmt.Errorf("failed to upload file: %v", err) - } - - err = tempFile.Close() - if err != nil { - return err - } - - return nil -} - -func (storage *StorageS3) internalTableMetadataFilePath(pgSchemaTable PgSchemaTable) string { - return storage.tablePrefix(pgSchemaTable.ToIcebergSchemaTable()) + "metadata/" + INTERNAL_METADATA_FILE_NAME -} - -func (storage *StorageS3) tablePrefix(schemaTable IcebergSchemaTable, isIcebergSchemaTable ...bool) string { - if len(isIcebergSchemaTable) > 0 && isIcebergSchemaTable[0] { - return storage.config.StoragePath + "/" + schemaTable.Schema + "/" + schemaTable.Table + "/" - } - - return storage.config.StoragePath + "/" + storage.config.Pg.SchemaPrefix + schemaTable.Schema + "/" + schemaTable.Table + "/" -} - -func (storage *StorageS3) fullBucketPath() string { - return "s3://" + storage.config.Aws.S3Bucket + "/" -} - -func (storage *StorageS3) nestedDirectoryPrefixes(prefix string) (dirs []string, err error) { - ctx := context.Background() - listResponse, err := storage.s3Client.ListObjectsV2(ctx, &s3.ListObjectsV2Input{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Prefix: aws.String(prefix), - Delimiter: aws.String("/"), - }) - if err != nil { - return nil, fmt.Errorf("failed to list objects: %v", err) - } - - for _, prefix := range listResponse.CommonPrefixes { - dirs = append(dirs, *prefix.Prefix) - } - - return dirs, nil -} - -func (storage *StorageS3) deleteNestedObjects(prefix string) (err error) { - ctx := context.Background() - - listResponse, err := storage.s3Client.ListObjectsV2(ctx, &s3.ListObjectsV2Input{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Prefix: aws.String(prefix), - }) - if err != nil { - return fmt.Errorf("failed to list objects: %v", err) - } - - var objectsToDelete []types.ObjectIdentifier - for _, obj := range listResponse.Contents { - LogDebug(storage.config, "Object to delete:", *obj.Key) - objectsToDelete = append(objectsToDelete, types.ObjectIdentifier{Key: obj.Key}) - } - - if len(objectsToDelete) > 0 { - _, err = storage.s3Client.DeleteObjects(ctx, &s3.DeleteObjectsInput{ - Bucket: aws.String(storage.config.Aws.S3Bucket), - Delete: &types.Delete{ - Objects: objectsToDelete, - Quiet: aws.Bool(true), - }, - }) - if err != nil { - return fmt.Errorf("failed to delete objects: %v", err) - } - LogDebug(storage.config, "Deleted", len(objectsToDelete), "object(s).") - } else { - LogDebug(storage.config, "No objects to delete.") - } - - return nil -} diff --git a/src/storage_utils.go b/src/storage_utils.go deleted file mode 100644 index 9001a19..0000000 --- a/src/storage_utils.go +++ /dev/null @@ -1,1266 +0,0 @@ -package main - -import ( - "bytes" - "context" - "encoding/json" - "fmt" - "os" - "reflect" - "strings" - "time" - - "github.com/google/uuid" - "github.com/linkedin/goavro" - "github.com/xitongsys/parquet-go/parquet" - "github.com/xitongsys/parquet-go/reader" - "github.com/xitongsys/parquet-go/schema" - "github.com/xitongsys/parquet-go/source" - "github.com/xitongsys/parquet-go/writer" - "golang.org/x/exp/maps" -) - -const ( - PARQUET_PARALLEL_NUMBER = 4 - PARQUET_ROW_GROUP_SIZE = 128 * 1024 * 1024 // 128 MB - PARQUET_PAGE_SIZE = 8 * 1024 // 8 KB - PARQUET_COMPRESSION_TYPE = parquet.CompressionCodec_ZSTD - - ICEBERG_MANIFEST_STATUS_ADDED = 1 - ICEBERG_MANIFEST_STATUS_DELETED = 2 - - ICEBERG_MANIFEST_LIST_OPERATION_APPEND = "append" - ICEBERG_MANIFEST_LIST_OPERATION_OVERWRITE = "overwrite" - ICEBERG_MANIFEST_LIST_OPERATION_DELETE = "delete" - - ICEBERG_METADATA_FILE_NAME = "v1.metadata.json" - INTERNAL_METADATA_FILE_NAME = "bemidb.json" - - MANIFEST_SCHEMA = `{ - "type" : "record", - "name" : "manifest_entry", - "fields" : [ { - "name" : "status", - "type" : "int", - "field-id" : 0 - }, { - "name" : "snapshot_id", - "type" : [ "null", "long" ], - "default" : null, - "field-id" : 1 - }, { - "name" : "sequence_number", - "type" : [ "null", "long" ], - "default" : null, - "field-id" : 3 - }, { - "name" : "file_sequence_number", - "type" : [ "null", "long" ], - "default" : null, - "field-id" : 4 - }, { - "name" : "data_file", - "type" : { - "type" : "record", - "name" : "r2", - "fields" : [ { - "name" : "content", - "type" : "int", - "doc" : "File format name: avro, orc, or parquet", - "field-id" : 134 - }, { - "name" : "file_path", - "type" : "string", - "doc" : "Location URI with FS scheme", - "field-id" : 100 - }, { - "name" : "file_format", - "type" : "string", - "doc" : "File format name: avro, orc, or parquet", - "field-id" : 101 - }, { - "name" : "record_count", - "type" : "long", - "doc" : "Number of records in the file", - "field-id" : 103 - }, { - "name" : "file_size_in_bytes", - "type" : "long", - "doc" : "Total file size in bytes", - "field-id" : 104 - }, { - "name" : "column_sizes", - "type" : [ "null", { - "type" : "array", - "items" : { - "type" : "record", - "name" : "k117_v118", - "fields" : [ { - "name" : "key", - "type" : "int", - "field-id" : 117 - }, { - "name" : "value", - "type" : "long", - "field-id" : 118 - } ] - }, - "logicalType" : "map" - } ], - "doc" : "Map of column id to total size on disk", - "default" : null, - "field-id" : 108 - }, { - "name" : "value_counts", - "type" : [ "null", { - "type" : "array", - "items" : { - "type" : "record", - "name" : "k119_v120", - "fields" : [ { - "name" : "key", - "type" : "int", - "field-id" : 119 - }, { - "name" : "value", - "type" : "long", - "field-id" : 120 - } ] - }, - "logicalType" : "map" - } ], - "doc" : "Map of column id to total count, including null and NaN", - "default" : null, - "field-id" : 109 - }, { - "name" : "null_value_counts", - "type" : [ "null", { - "type" : "array", - "items" : { - "type" : "record", - "name" : "k121_v122", - "fields" : [ { - "name" : "key", - "type" : "int", - "field-id" : 121 - }, { - "name" : "value", - "type" : "long", - "field-id" : 122 - } ] - }, - "logicalType" : "map" - } ], - "doc" : "Map of column id to null value count", - "default" : null, - "field-id" : 110 - }, { - "name" : "nan_value_counts", - "type" : [ "null", { - "type" : "array", - "items" : { - "type" : "record", - "name" : "k138_v139", - "fields" : [ { - "name" : "key", - "type" : "int", - "field-id" : 138 - }, { - "name" : "value", - "type" : "long", - "field-id" : 139 - } ] - }, - "logicalType" : "map" - } ], - "doc" : "Map of column id to number of NaN values in the column", - "default" : null, - "field-id" : 137 - }, { - "name" : "lower_bounds", - "type" : [ "null", { - "type" : "array", - "items" : { - "type" : "record", - "name" : "k126_v127", - "fields" : [ { - "name" : "key", - "type" : "int", - "field-id" : 126 - }, { - "name" : "value", - "type" : "bytes", - "field-id" : 127 - } ] - }, - "logicalType" : "map" - } ], - "doc" : "Map of column id to lower bound", - "default" : null, - "field-id" : 125 - }, { - "name" : "upper_bounds", - "type" : [ "null", { - "type" : "array", - "items" : { - "type" : "record", - "name" : "k129_v130", - "fields" : [ { - "name" : "key", - "type" : "int", - "field-id" : 129 - }, { - "name" : "value", - "type" : "bytes", - "field-id" : 130 - } ] - }, - "logicalType" : "map" - } ], - "doc" : "Map of column id to upper bound", - "default" : null, - "field-id" : 128 - }, { - "name" : "key_metadata", - "type" : [ "null", "bytes" ], - "doc" : "Encryption key metadata blob", - "default" : null, - "field-id" : 131 - }, { - "name" : "split_offsets", - "type" : [ "null", { - "type" : "array", - "items" : "long", - "element-id" : 133 - } ], - "doc" : "Splittable offsets", - "default" : null, - "field-id" : 132 - }, { - "name" : "equality_ids", - "type" : [ "null", { - "type" : "array", - "items" : "long", - "element-id" : 136 - } ], - "doc" : "Field ids used to determine row equality in equality delete files.", - "default" : null, - "field-id" : 135 - }, { - "name" : "sort_order_id", - "type" : [ "null", "int" ], - "doc" : "ID representing sort order for this file", - "default" : null, - "field-id" : 140 - } ] - }, - "field-id" : 2 - } ] - }` - MANIFEST_LIST_SCHEMA = `{ - "type" : "record", - "name" : "manifest_file", - "fields" : [ { - "name" : "manifest_path", - "type" : "string", - "doc" : "Location URI with FS scheme", - "field-id" : 500 - }, { - "name" : "manifest_length", - "type" : "long", - "field-id" : 501 - }, { - "name" : "partition_spec_id", - "type" : "int", - "field-id" : 502 - }, { - "name" : "content", - "type" : "int", - "field-id" : 517 - }, { - "name" : "sequence_number", - "type" : "long", - "field-id" : 515 - }, { - "name" : "min_sequence_number", - "type" : "long", - "field-id" : 516 - }, { - "name" : "added_snapshot_id", - "type" : "long", - "field-id" : 503 - }, { - "name" : "added_files_count", - "type" : "int", - "field-id" : 504 - }, { - "name" : "existing_files_count", - "type" : "int", - "field-id" : 505 - }, { - "name" : "deleted_files_count", - "type" : "int", - "field-id" : 506 - }, { - "name" : "added_rows_count", - "type" : "long", - "field-id" : 512 - }, { - "name" : "existing_rows_count", - "type" : "long", - "field-id" : 513 - }, { - "name" : "deleted_rows_count", - "type" : "long", - "field-id" : 514 - }, { - "name" : "partitions", - "type" : [ "null", { - "type" : "array", - "items" : { - "type" : "record", - "name" : "r508", - "fields" : [ { - "name" : "contains_null", - "type" : "boolean", - "field-id" : 509 - }, { - "name" : "contains_nan", - "type" : [ "null", "boolean" ], - "default" : null, - "field-id" : 518 - }, { - "name" : "lower_bound", - "type" : [ "null", "bytes" ], - "default" : null, - "field-id" : 510 - }, { - "name" : "upper_bound", - "type" : [ "null", "bytes" ], - "default" : null, - "field-id" : 511 - } ] - }, - "element-id" : 508 - } ], - "default" : null, - "field-id" : 507 - }, { - "name" : "key_metadata", - "type" : [ "null", "bytes" ], - "default" : null, - "field-id" : 519 - } ] - }` -) - -type MetadataJson struct { - Schemas []struct { - Fields []struct { - ID int `json:"id"` - Name string `json:"name"` - Type interface{} `json:"type"` - Required bool `json:"required"` - } `json:"fields"` - } `json:"schemas"` -} - -type ManifestListsJson struct { - Snapshots []struct { - SequenceNumber int `json:"sequence-number"` - SnapshotId int64 `json:"snapshot-id"` - TimestampMs int64 `json:"timestamp-ms"` - Path string `json:"manifest-list"` - Summary struct { - Operation string `json:"operation"` - AddedFilesSize string `json:"added-files-size"` - AddedDataFiles string `json:"added-data-files"` - AddedRecords string `json:"added-records"` - RemovedFilesSize string `json:"removed-files-size"` - DeletedDataFiles string `json:"deleted-data-files"` - DeletedRecords string `json:"deleted-records"` - } `json:"summary"` - } `json:"snapshots"` -} - -type ManifestListSequenceStats struct { - AddedFilesSize int64 - AddedDataFiles int64 - AddedRecords int64 - RemovedFilesSize int64 - DeletedDataFiles int64 - DeletedRecords int64 -} - -type StorageUtils struct { - config *Config -} - -// Read ---------------------------------------------------------------------------------------------------------------- - -func (storage *StorageUtils) ParseIcebergTableFields(metadataContent []byte) ([]IcebergTableField, error) { - var metadataJson MetadataJson - err := json.Unmarshal(metadataContent, &metadataJson) - if err != nil { - return nil, err - } - - var icebergTableFields []IcebergTableField - for _, schema := range metadataJson.Schemas { - if schema.Fields != nil { - for _, field := range schema.Fields { - icebergTableField := IcebergTableField{ - Name: field.Name, - } - - if reflect.TypeOf(field.Type).Kind() == reflect.String { - icebergTableField.Type = field.Type.(string) - icebergTableField.Required = field.Required - } else { - listType := field.Type.(map[string]interface{}) - icebergTableField.Type = listType["element"].(string) - icebergTableField.Required = listType["element-required"].(bool) - icebergTableField.IsList = true - } - - icebergTableFields = append(icebergTableFields, icebergTableField) - } - } - } - - return icebergTableFields, nil -} - -func (storage *StorageUtils) ParseInternalTableMetadata(internalMetadataContent []byte) (InternalTableMetadata, error) { - var internalTableMetadata InternalTableMetadata - err := json.Unmarshal(internalMetadataContent, &internalTableMetadata) - if err != nil { - return InternalTableMetadata{}, err - } - return internalTableMetadata, nil -} - -func (storage *StorageUtils) ParseManifestListFiles(fileSystemPrefix string, metadataContent []byte) ([]ManifestListFile, error) { - var manifestListsJson ManifestListsJson - err := json.Unmarshal(metadataContent, &manifestListsJson) - if err != nil { - return nil, err - } - - manifestListFilesSortedAsc := []ManifestListFile{} - for _, snapshot := range manifestListsJson.Snapshots { - addedFilesSize, err := StringToInt64(snapshot.Summary.AddedFilesSize) - if err != nil { - return nil, err - } - addedDataFiles, err := StringToInt64(snapshot.Summary.AddedDataFiles) - if err != nil { - return nil, err - } - addedRecords, err := StringToInt64(snapshot.Summary.AddedRecords) - if err != nil { - return nil, err - } - removedFilesSize, err := StringToInt64(snapshot.Summary.RemovedFilesSize) - if err != nil { - return nil, err - } - deletedDataFiles, err := StringToInt64(snapshot.Summary.DeletedDataFiles) - if err != nil { - return nil, err - } - deletedRecords, err := StringToInt64(snapshot.Summary.DeletedRecords) - if err != nil { - return nil, err - } - - manifestListFile := ManifestListFile{ - SequenceNumber: snapshot.SequenceNumber, - SnapshotId: snapshot.SnapshotId, - TimestampMs: snapshot.TimestampMs, - Path: strings.TrimPrefix(snapshot.Path, fileSystemPrefix), - Operation: snapshot.Summary.Operation, - AddedFilesSize: addedFilesSize, - AddedDataFiles: addedDataFiles, - AddedRecords: addedRecords, - RemovedFilesSize: removedFilesSize, - DeletedDataFiles: deletedDataFiles, - DeletedRecords: deletedRecords, - } - - manifestListFilesSortedAsc = append(manifestListFilesSortedAsc, manifestListFile) - } - - return manifestListFilesSortedAsc, nil -} - -func (storage *StorageUtils) ParseManifestFiles(fileSystemPrefix string, manifestListContent []byte) ([]ManifestListItem, error) { - ocfReader, err := goavro.NewOCFReader(strings.NewReader(string(manifestListContent))) - if err != nil { - return nil, err - } - - manifestListItemsSortedDesc := []ManifestListItem{} - - for ocfReader.Scan() { - record, err := ocfReader.Read() - if err != nil { - return nil, err - } - - recordMap := record.(map[string]interface{}) - - manifestListItemsSortedDesc = append(manifestListItemsSortedDesc, ManifestListItem{ - ManifestFile: ManifestFile{ - SnapshotId: recordMap["added_snapshot_id"].(int64), - Path: strings.TrimPrefix(recordMap["manifest_path"].(string), fileSystemPrefix), - Size: recordMap["manifest_length"].(int64), - RecordCount: recordMap["added_rows_count"].(int64), - }, - SequenceNumber: int(recordMap["sequence_number"].(int64)), - }) - } - - return manifestListItemsSortedDesc, nil -} - -func (storage *StorageUtils) ParseParquetFilePath(fileSystemPrefix string, manifestContent []byte) (string, error) { - ocfReader, err := goavro.NewOCFReader(strings.NewReader(string(manifestContent))) - if err != nil { - return "", err - } - - ocfReader.Scan() - record, err := ocfReader.Read() - if err != nil { - return "", err - } - - recordMap := record.(map[string]interface{}) - dataFile := recordMap["data_file"].(map[string]interface{}) - - return strings.TrimPrefix(dataFile["file_path"].(string), fileSystemPrefix), nil -} - -// Write --------------------------------------------------------------------------------------------------------------- - -func (storage *StorageUtils) WriteParquetFile(fileWriter source.ParquetFile, pgSchemaColumns []PgSchemaColumn, maxPayloadThreshold int, loadRows func() ([][]string, InternalTableMetadata)) (recordCount int64, internalTableMetadata InternalTableMetadata, err error) { - defer fileWriter.Close() - - schemaJson := storage.buildSchemaJson(pgSchemaColumns) - LogDebug(storage.config, "Parquet schema:", schemaJson) - parquetWriter, err := writer.NewJSONWriter(schemaJson, fileWriter, PARQUET_PARALLEL_NUMBER) - if err != nil { - return recordCount, internalTableMetadata, fmt.Errorf("failed to create Parquet writer: %v", err) - } - parquetWriter.RowGroupSize = PARQUET_ROW_GROUP_SIZE - parquetWriter.PageSize = PARQUET_PAGE_SIZE - parquetWriter.CompressionType = PARQUET_COMPRESSION_TYPE - - writtenPayloadSize := 0 - rows, lastInternalTableMetadata := loadRows() - - for len(rows) > 0 { - for _, row := range rows { - rowMap := make(map[string]interface{}) - for i, rowValue := range row { - rowMap[pgSchemaColumns[i].NormalizedColumnName()] = pgSchemaColumns[i].FormatParquetValue(rowValue) - } - rowJson, err := json.Marshal(rowMap) - PanicIfError(storage.config, err) - - if err = parquetWriter.Write(string(rowJson)); err != nil { - return recordCount, internalTableMetadata, fmt.Errorf("Write error: %v", err) - } - writtenPayloadSize += len(rowJson) - recordCount++ - } - - if maxPayloadThreshold > 0 && writtenPayloadSize >= maxPayloadThreshold { - break - } - - rows, lastInternalTableMetadata = loadRows() - } - - LogDebug(storage.config, "Stopping Parquet writer...") - if err := parquetWriter.WriteStop(); err != nil { - return recordCount, internalTableMetadata, fmt.Errorf("failed to stop Parquet writer: %v", err) - } - - return recordCount, lastInternalTableMetadata, nil -} - -func (storage *StorageUtils) NewDuckDBIfHasOverlappingRows(fileSystemPrefix string, existingParquetFilePath string, newParquetFilePath string, pgSchemaColumns []PgSchemaColumn) (*Duckdb, error) { - duckdb := NewDuckdb(storage.config, false) - - ctx := context.Background() - _, err := duckdb.ExecContext(ctx, "CREATE TABLE existing_parquet AS SELECT * FROM read_parquet('"+fileSystemPrefix+existingParquetFilePath+"')", nil) - if err != nil { - return nil, err - } - - _, err = duckdb.ExecContext(ctx, "CREATE TABLE new_parquet AS SELECT * FROM read_parquet('"+fileSystemPrefix+newParquetFilePath+"')", nil) - if err != nil { - return nil, err - } - - var pkColumnNames []string - for _, pgSchemaColumn := range pgSchemaColumns { - if pgSchemaColumn.PartOfPrimaryKey { - pkColumnNames = append(pkColumnNames, pgSchemaColumn.ColumnName) - } - } - - hasOverlappingRows, err := storage.hasOverlappingRows(pkColumnNames, duckdb) - if err != nil { - return nil, err - } - - if hasOverlappingRows { - return duckdb, nil - } - return nil, nil -} - -func (storage *StorageUtils) WriteOverwrittenParquetFile(duckdb *Duckdb, fileWriter source.ParquetFile, pgSchemaColumns []PgSchemaColumn, dynamicRowCountPerBatch int) (recordCount int64, err error) { - defer fileWriter.Close() - - schemaJson := storage.buildSchemaJson(pgSchemaColumns) - LogDebug(storage.config, "Parquet schema:", schemaJson) - parquetWriter, err := writer.NewJSONWriter(schemaJson, fileWriter, PARQUET_PARALLEL_NUMBER) - if err != nil { - return 0, fmt.Errorf("failed to create Parquet writer: %v", err) - } - parquetWriter.RowGroupSize = PARQUET_ROW_GROUP_SIZE - parquetWriter.CompressionType = PARQUET_COMPRESSION_TYPE - - existingColumnNames := storage.existingColumnNames(duckdb) - var pkColumnNames []string - var columnNames []string - for _, pgSchemaColumn := range pgSchemaColumns { - if !existingColumnNames.Contains(pgSchemaColumn.ColumnName) { - continue - } - if pgSchemaColumn.PartOfPrimaryKey { - pkColumnNames = append(pkColumnNames, pgSchemaColumn.ColumnName) - } - columnNames = append(columnNames, pgSchemaColumn.ColumnName) - } - - batch := 0 - ctx := context.Background() - sql := storage.selectNonOverlappingRowsSql(columnNames, pkColumnNames) - for { - rowCountInBatch := 0 - rows, err := duckdb.QueryContext(ctx, sql+" LIMIT "+IntToString(dynamicRowCountPerBatch)+" OFFSET "+IntToString(batch*dynamicRowCountPerBatch)) - if err != nil { - return 0, fmt.Errorf("failed to query non-overlapping rows: %v", err) - } - defer rows.Close() - - for rows.Next() { - var rowJson string - if err = rows.Scan(&rowJson); err != nil { - return 0, fmt.Errorf("failed to scan row: %v", err) - } - - if err = parquetWriter.Write(string(rowJson)); err != nil { - return 0, fmt.Errorf("Write error: %v", err) - } - - rowCountInBatch++ - recordCount++ - } - - if rowCountInBatch < dynamicRowCountPerBatch { - break - } - - batch++ - } - - LogDebug(storage.config, "Stopping Parquet writer...") - if err := parquetWriter.WriteStop(); err != nil { - return 0, fmt.Errorf("failed to stop overwritten-Parquet writer: %v", err) - } - - return recordCount, nil -} - -func (storage *StorageUtils) ReadParquetStats(fileReader source.ParquetFile) (parquetFileStats ParquetFileStats, err error) { - defer fileReader.Close() - - pr, err := reader.NewParquetReader(fileReader, nil, 1) - if err != nil { - return ParquetFileStats{}, fmt.Errorf("failed to create Parquet reader: %v", err) - } - defer pr.ReadStop() - - parquetStats := ParquetFileStats{ - ColumnSizes: make(map[int]int64), - ValueCounts: make(map[int]int64), - NullValueCounts: make(map[int]int64), - LowerBounds: make(map[int][]byte), - UpperBounds: make(map[int][]byte), - SplitOffsets: []int64{}, - } - - fieldIDMap := storage.buildFieldIDMap(pr.SchemaHandler) - - for _, rowGroup := range pr.Footer.RowGroups { - if rowGroup.FileOffset != nil { - parquetStats.SplitOffsets = append(parquetStats.SplitOffsets, *rowGroup.FileOffset) - } - - for _, columnChunk := range rowGroup.Columns { - columnMetaData := columnChunk.MetaData - columnPath := columnMetaData.PathInSchema - columnName := strings.Join(columnPath, ".") - fieldID, ok := fieldIDMap[columnName] - if !ok { - continue - } - parquetStats.ColumnSizes[fieldID] += columnMetaData.TotalCompressedSize - parquetStats.ValueCounts[fieldID] += int64(columnMetaData.NumValues) - - if columnMetaData.Statistics != nil { - if columnMetaData.Statistics.NullCount != nil { - parquetStats.NullValueCounts[fieldID] += *columnMetaData.Statistics.NullCount - } - - minValue := columnMetaData.Statistics.Min - maxValue := columnMetaData.Statistics.Max - - if parquetStats.LowerBounds[fieldID] == nil || bytes.Compare(parquetStats.LowerBounds[fieldID], minValue) > 0 { - parquetStats.LowerBounds[fieldID] = minValue - } - if parquetStats.UpperBounds[fieldID] == nil || bytes.Compare(parquetStats.UpperBounds[fieldID], maxValue) < 0 { - parquetStats.UpperBounds[fieldID] = maxValue - } - } - } - } - - // Todo: convert lower/upper bytes to BigEndianBytes? - - return parquetStats, nil -} - -func (storage *StorageUtils) WriteManifestFile(fileSystemPrefix string, filePath string, parquetFile ParquetFile) (manifestFile ManifestFile, err error) { - snapshotId := time.Now().UnixNano() - codec, err := goavro.NewCodec(MANIFEST_SCHEMA) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to create Avro codec: %v", err) - } - - columnSizesArr := []interface{}{} - for fieldID, size := range parquetFile.Stats.ColumnSizes { - columnSizesArr = append(columnSizesArr, map[string]interface{}{ - "key": fieldID, - "value": size, - }) - } - - valueCountsArr := []interface{}{} - for fieldID, count := range parquetFile.Stats.ValueCounts { - valueCountsArr = append(valueCountsArr, map[string]interface{}{ - "key": fieldID, - "value": count, - }) - } - - nullValueCountsArr := []interface{}{} - for fieldID, count := range parquetFile.Stats.NullValueCounts { - nullValueCountsArr = append(nullValueCountsArr, map[string]interface{}{ - "key": fieldID, - "value": count, - }) - } - - lowerBoundsArr := []interface{}{} - for fieldID, value := range parquetFile.Stats.LowerBounds { - lowerBoundsArr = append(lowerBoundsArr, map[string]interface{}{ - "key": fieldID, - "value": value, - }) - } - - upperBoundsArr := []interface{}{} - for fieldID, value := range parquetFile.Stats.UpperBounds { - upperBoundsArr = append(upperBoundsArr, map[string]interface{}{ - "key": fieldID, - "value": value, - }) - } - - dataFile := map[string]interface{}{ - "content": 0, // 0: DATA, 1: POSITION DELETES, 2: EQUALITY DELETES - "file_path": fileSystemPrefix + parquetFile.Path, - "file_format": "PARQUET", - "partition": map[string]interface{}{}, - "record_count": parquetFile.RecordCount, - "file_size_in_bytes": parquetFile.Size, - "column_sizes": map[string]interface{}{ - "array": columnSizesArr, - }, - "value_counts": map[string]interface{}{ - "array": valueCountsArr, - }, - "null_value_counts": map[string]interface{}{ - "array": nullValueCountsArr, - }, - "nan_value_counts": map[string]interface{}{ - "array": []interface{}{}, - }, - "lower_bounds": map[string]interface{}{ - "array": lowerBoundsArr, - }, - "upper_bounds": map[string]interface{}{ - "array": upperBoundsArr, - }, - "key_metadata": nil, - "split_offsets": map[string]interface{}{ - "array": parquetFile.Stats.SplitOffsets, - }, - "equality_ids": nil, - "sort_order_id": nil, - } - - manifestEntry := map[string]interface{}{ - "status": ICEBERG_MANIFEST_STATUS_ADDED, - "snapshot_id": map[string]interface{}{"long": snapshotId}, - "sequence_number": nil, - "file_sequence_number": nil, - "data_file": dataFile, - } - - avroFile, err := os.Create(filePath) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to create manifest file: %v", err) - } - defer avroFile.Close() - - ocfWriter, err := goavro.NewOCFWriter(goavro.OCFConfig{ - W: avroFile, - Codec: codec, - Schema: MANIFEST_SCHEMA, - }) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to create Avro OCF writer: %v", err) - } - - err = ocfWriter.Append([]interface{}{manifestEntry}) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to write to manifest file: %v", err) - } - - fileInfo, err := os.Stat(filePath) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to get manifest file info: %v", err) - } - fileSize := fileInfo.Size() - - return ManifestFile{ - SnapshotId: snapshotId, - Path: filePath, - Size: fileSize, - RecordCount: parquetFile.RecordCount, - DataFileSize: parquetFile.Size, - }, nil -} - -func (storage *StorageUtils) WriteDeletedRecordsManifestFile(fileSystemPrefix string, filePath string, existingManifestContent []byte) (ManifestFile, error) { - ocfReader, err := goavro.NewOCFReader(strings.NewReader(string(existingManifestContent))) - if err != nil { - return ManifestFile{}, err - } - - ocfReader.Scan() - record, err := ocfReader.Read() - if err != nil { - return ManifestFile{}, err - } - - recordMap := record.(map[string]interface{}) - recordMap["status"] = ICEBERG_MANIFEST_STATUS_DELETED - recordMap["sequence_number"] = map[string]interface{}{"long": 1} - recordMap["file_sequence_number"] = map[string]interface{}{"long": 1} - - avroFile, err := os.Create(filePath) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to create deleted-records manifest file: %v", err) - } - defer avroFile.Close() - - codec, err := goavro.NewCodec(MANIFEST_SCHEMA) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to create Avro codec: %v", err) - } - - ocfWriter, err := goavro.NewOCFWriter(goavro.OCFConfig{ - W: avroFile, - Codec: codec, - Schema: MANIFEST_SCHEMA, - }) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to create Avro OCF writer: %v", err) - } - - err = ocfWriter.Append([]interface{}{recordMap}) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to write to manifest file: %v", err) - } - - fileInfo, err := os.Stat(filePath) - if err != nil { - return ManifestFile{}, fmt.Errorf("failed to get manifest file info: %v", err) - } - fileSize := fileInfo.Size() - - return ManifestFile{ - RecordsDeleted: true, - SnapshotId: recordMap["snapshot_id"].(map[string]interface{})["long"].(int64), - Path: filePath, - Size: fileSize, - RecordCount: recordMap["data_file"].(map[string]interface{})["record_count"].(int64), - DataFileSize: recordMap["data_file"].(map[string]interface{})["file_size_in_bytes"].(int64), - }, nil -} - -func (storage *StorageUtils) WriteManifestListFile(fileSystemPrefix string, filePath string, manifestListItemsSortedDesc []ManifestListItem) (ManifestListFile, error) { - codec, err := goavro.NewCodec(MANIFEST_LIST_SCHEMA) - if err != nil { - return ManifestListFile{}, fmt.Errorf("failed to create Avro codec for manifest list: %v", err) - } - - var manifestListRecords []interface{} - - statsBySequenceNumber := make(map[string]ManifestListSequenceStats) - - for _, manifestListItem := range manifestListItemsSortedDesc { - sequenceNumber := manifestListItem.SequenceNumber - sequenceStats := statsBySequenceNumber[IntToString(sequenceNumber)] - manifestFile := manifestListItem.ManifestFile - - manifestListRecord := map[string]interface{}{ - "added_snapshot_id": manifestFile.SnapshotId, - "manifest_length": manifestFile.Size, - "manifest_path": fileSystemPrefix + manifestFile.Path, - "min_sequence_number": sequenceNumber, - "sequence_number": sequenceNumber, - "content": 0, - "deleted_files_count": 0, - "deleted_rows_count": 0, - "existing_files_count": 0, - "existing_rows_count": 0, - "key_metadata": nil, - "partition_spec_id": 0, - "partitions": map[string]interface{}{"array": []string{}}, - } - - if manifestFile.RecordsDeleted { - manifestListRecord["added_files_count"] = 0 - manifestListRecord["added_rows_count"] = 0 - manifestListRecord["deleted_files_count"] = 1 - manifestListRecord["deleted_rows_count"] = manifestFile.RecordCount - sequenceStats.RemovedFilesSize += manifestFile.DataFileSize - sequenceStats.DeletedDataFiles += 1 - sequenceStats.DeletedRecords += manifestFile.RecordCount - } else { - manifestListRecord["added_files_count"] = 1 - manifestListRecord["added_rows_count"] = manifestFile.RecordCount - manifestListRecord["deleted_files_count"] = 0 - manifestListRecord["deleted_rows_count"] = 0 - sequenceStats.AddedFilesSize += manifestFile.DataFileSize - sequenceStats.AddedDataFiles += 1 - sequenceStats.AddedRecords += manifestFile.RecordCount - } - - statsBySequenceNumber[IntToString(sequenceNumber)] = sequenceStats - manifestListRecords = append(manifestListRecords, manifestListRecord) - } - - avroFile, err := os.Create(filePath) - if err != nil { - return ManifestListFile{}, fmt.Errorf("failed to create manifest list file: %v", err) - } - defer avroFile.Close() - - ocfWriter, err := goavro.NewOCFWriter(goavro.OCFConfig{ - W: avroFile, - Codec: codec, - Schema: MANIFEST_LIST_SCHEMA, - }) - if err != nil { - return ManifestListFile{}, fmt.Errorf("failed to create OCF writer for manifest list: %v", err) - } - - err = ocfWriter.Append(manifestListRecords) - if err != nil { - return ManifestListFile{}, fmt.Errorf("failed to write manifest list record: %v", err) - } - - sequenceNumbers := maps.Keys(statsBySequenceNumber) - lastManifestListItem := manifestListItemsSortedDesc[0] - lastSequenceStats := statsBySequenceNumber[IntToString(lastManifestListItem.SequenceNumber)] - - operation := ICEBERG_MANIFEST_LIST_OPERATION_APPEND - if len(sequenceNumbers) == 1 && len(manifestListRecords) == 2 && lastSequenceStats.AddedDataFiles == 1 && lastSequenceStats.DeletedDataFiles == 1 { - operation = ICEBERG_MANIFEST_LIST_OPERATION_OVERWRITE - } else if lastSequenceStats.AddedDataFiles == 0 && lastSequenceStats.DeletedDataFiles > 0 { - operation = ICEBERG_MANIFEST_LIST_OPERATION_DELETE - } - - manifestListFile := ManifestListFile{ - SequenceNumber: lastManifestListItem.SequenceNumber, - SnapshotId: lastManifestListItem.ManifestFile.SnapshotId, - TimestampMs: time.Now().UnixNano() / int64(time.Millisecond), - Path: filePath, - Operation: operation, - AddedFilesSize: lastSequenceStats.AddedFilesSize, - AddedDataFiles: lastSequenceStats.AddedDataFiles, - AddedRecords: lastSequenceStats.AddedRecords, - RemovedFilesSize: lastSequenceStats.RemovedFilesSize, - DeletedDataFiles: lastSequenceStats.DeletedDataFiles, - DeletedRecords: lastSequenceStats.DeletedRecords, - } - return manifestListFile, nil -} - -func (storage *StorageUtils) WriteMetadataFile(fileSystemPrefix string, filePath string, pgSchemaColumns []PgSchemaColumn, manifestListFilesSortedAsc []ManifestListFile) (err error) { - tableUuid := uuid.New().String() - lastColumnID := 3 - - icebergSchemaFields := make([]interface{}, len(pgSchemaColumns)) - for i, pgSchemaColumn := range pgSchemaColumns { - icebergSchemaFields[i] = pgSchemaColumn.ToIcebergSchemaFieldMap() - } - - snapshots := make([]map[string]interface{}, len(manifestListFilesSortedAsc)) - snapshotLog := make([]map[string]interface{}, len(manifestListFilesSortedAsc)) - - var totalDataFiles, totalFilesSize, totalRecords int64 - - for i, manifestListFile := range manifestListFilesSortedAsc { - totalDataFiles += manifestListFile.AddedDataFiles - manifestListFile.DeletedDataFiles - totalFilesSize += manifestListFile.AddedFilesSize - manifestListFile.RemovedFilesSize - totalRecords += manifestListFile.AddedRecords - manifestListFile.DeletedRecords - - snapshot := map[string]interface{}{ - "schema-id": 0, - "snapshot-id": manifestListFile.SnapshotId, - "sequence-number": manifestListFile.SequenceNumber, - "timestamp-ms": manifestListFile.TimestampMs, - "manifest-list": fileSystemPrefix + manifestListFile.Path, - "summary": map[string]interface{}{ - "operation": manifestListFile.Operation, - "added-data-files": Int64ToString(manifestListFile.AddedDataFiles), - "added-files-size": Int64ToString(manifestListFile.AddedFilesSize), - "added-records": Int64ToString(manifestListFile.AddedRecords), - "deleted-data-files": Int64ToString(manifestListFile.DeletedDataFiles), - "deleted-records": Int64ToString(manifestListFile.DeletedRecords), - "removed-files-size": Int64ToString(manifestListFile.RemovedFilesSize), - "total-data-files": Int64ToString(totalDataFiles), - "total-files-size": Int64ToString(totalFilesSize), - "total-records": Int64ToString(totalRecords), - "total-delete-files": "0", - "total-equality-deletes": "0", - "total-position-deletes": "0", - }, - } - if i != 0 { - snapshot["parent-snapshot-id"] = manifestListFilesSortedAsc[i-1].SnapshotId - } - snapshots[i] = snapshot - - snapshotLog[i] = map[string]interface{}{ - "snapshot-id": manifestListFile.SnapshotId, - "timestamp-ms": manifestListFile.TimestampMs, - } - } - - lastManifestListFile := manifestListFilesSortedAsc[len(manifestListFilesSortedAsc)-1] - metadata := map[string]interface{}{ - "format-version": 2, - "table-uuid": tableUuid, - "statistics": []interface{}{}, - "location": fileSystemPrefix + filePath, - "last-sequence-number": lastManifestListFile.SequenceNumber, - "last-updated-ms": lastManifestListFile.TimestampMs, - "last-column-id": lastColumnID, - "schemas": []interface{}{ - map[string]interface{}{ - "type": "struct", - "schema-id": 0, - "fields": icebergSchemaFields, - "identifier-field-ids": []interface{}{}, - }, - }, - "current-schema-id": 0, - "partition-specs": []interface{}{ - map[string]interface{}{ - "spec-id": 0, - "fields": []interface{}{}, - }, - }, - "default-spec-id": 0, - "default-sort-order-id": 0, - "last-partition-id": 999, // Assuming no partitions; set to a placeholder - "properties": map[string]string{}, - "current-snapshot-id": lastManifestListFile.SnapshotId, - "refs": map[string]interface{}{ - "main": map[string]interface{}{ - "snapshot-id": lastManifestListFile.SnapshotId, - "type": "branch", - }, - }, - "snapshots": snapshots, - "snapshot-log": snapshotLog, - "metadata-log": []interface{}{}, - "sort-orders": []interface{}{ - map[string]interface{}{ - "order-id": 0, - "fields": []interface{}{}, - }, - }, - } - - file, err := os.Create(filePath) - if err != nil { - return fmt.Errorf("failed to create metadata file: %v", err) - } - defer file.Close() - - encoder := json.NewEncoder(file) - encoder.SetIndent("", " ") - err = encoder.Encode(metadata) - if err != nil { - return fmt.Errorf("failed to write metadata to file: %v", err) - } - - return nil -} - -func (storage *StorageUtils) WriteVersionHintFile(filePath string, metadataFile MetadataFile) (err error) { - file, err := os.Create(filePath) - if err != nil { - return fmt.Errorf("failed to create version hint file: %v", err) - } - defer file.Close() - - _, err = file.WriteString(fmt.Sprintf("%d", metadataFile.Version)) - if err != nil { - return fmt.Errorf("failed to write to version hint file: %v", err) - } - - return nil -} - -func (storage *StorageUtils) WriteInternalStartSqlFile(filePath string, queries []string) (err error) { - file, err := os.Create(filePath) - if err != nil { - return fmt.Errorf("failed to create internal start SQL file: %v", err) - } - defer file.Close() - - _, err = file.WriteString(strings.Join(queries, "\n")) - if err != nil { - return fmt.Errorf("failed to write to internal start SQL file: %v", err) - } - - return nil -} - -func (storage *StorageUtils) WriteInternalTableMetadataFile(filePath string, internalTableMetadata InternalTableMetadata) error { - file, err := os.Create(filePath) - if err != nil { - return fmt.Errorf("failed to create internal table metadata file: %v", err) - } - defer file.Close() - - jsonData, err := json.Marshal(internalTableMetadata) - if err != nil { - return fmt.Errorf("failed to serialize internal table metadata to JSON: %v", err) - } - - _, err = file.Write(jsonData) - if err != nil { - return fmt.Errorf("failed to write internal table metadata to file: %v", err) - } - - return nil - -} - -// --------------------------------------------------------------------------------------------------------------------- - -func (storage *StorageUtils) existingColumnNames(duckdb *Duckdb) Set[string] { - rows, err := duckdb.QueryContext(context.Background(), "SELECT * FROM existing_parquet LIMIT 0") - PanicIfError(storage.config, err) - defer rows.Close() - - columns, err := rows.Columns() - PanicIfError(storage.config, err) - - return NewSet(columns) -} - -func (storage *StorageUtils) hasOverlappingRows(pkColumnNames []string, duckdb *Duckdb) (bool, error) { - sql := "SELECT 1 FROM existing_parquet JOIN new_parquet USING (" + strings.Join(pkColumnNames, ", ") + ") LIMIT 1" - if len(pkColumnNames) == 0 { - sql = "SELECT 1 FROM existing_parquet JOIN new_parquet LIMIT 1" - } - - ctx := context.Background() - rows, err := duckdb.QueryContext(ctx, sql) - if err != nil { - return false, fmt.Errorf("failed to query for overlapping rows: %v", err) - } - defer rows.Close() - - return rows.Next(), nil -} - -func (storage *StorageUtils) selectNonOverlappingRowsSql(columnNames []string, pkColumnNames []string) string { - selectExpressions := []string{} - for _, columnName := range columnNames { - selectExpressions = append(selectExpressions, "\""+columnName+"\""+" := existing_parquet."+columnName) - } - whereConditions := []string{} - if len(pkColumnNames) == 0 { - for _, columnName := range columnNames { - whereConditions = append(whereConditions, "existing_parquet."+columnName+" = new_parquet."+columnName) - } - } else { - for _, pkColumnName := range pkColumnNames { - whereConditions = append(whereConditions, "existing_parquet."+pkColumnName+" = new_parquet."+pkColumnName) - } - } - return "SELECT to_json(struct_pack(" + strings.Join(selectExpressions, ", ") + ")) FROM existing_parquet WHERE NOT EXISTS (SELECT 1 FROM new_parquet WHERE " + strings.Join(whereConditions, " AND ") + ")" -} - -func (storage *StorageUtils) buildSchemaJson(pgSchemaColumns []PgSchemaColumn) string { - schemaMap := map[string]interface{}{ - "Tag": "name=root", - "Fields": []map[string]interface{}{}, - } - for _, pgSchemaColumn := range pgSchemaColumns { - fieldMap := pgSchemaColumn.ToParquetSchemaFieldMap() - schemaMap["Fields"] = append(schemaMap["Fields"].([]map[string]interface{}), fieldMap) - } - schemaJson, err := json.Marshal(schemaMap) - PanicIfError(storage.config, err) - - return string(schemaJson) -} - -func (storage *StorageUtils) buildFieldIDMap(schemaHandler *schema.SchemaHandler) map[string]int { - fieldIDMap := make(map[string]int) - for _, schema := range schemaHandler.SchemaElements { - if schema.FieldID != nil { - fieldIDMap[schema.Name] = int(*schema.FieldID) - } - } - return fieldIDMap -} diff --git a/src/syncer.go b/src/syncer.go deleted file mode 100644 index 85d79e9..0000000 --- a/src/syncer.go +++ /dev/null @@ -1,317 +0,0 @@ -package main - -import ( - "bytes" - "context" - "encoding/json" - "fmt" - "net/http" - "net/url" - "runtime" - "strings" - "time" - - "github.com/jackc/pgx/v5" -) - -const ( - MAX_IN_MEMORY_BUFFER_SIZE = 128 * 1024 * 1024 // 128 MB (expands to ~160 MB memory usage) - MAX_PG_ROWS_BATCH_SIZE = 1 * 1024 * 1024 // 1 MB - PING_PG_INTERVAL_SECONDS = 24 - - MAX_PARQUET_PAYLOAD_THRESHOLD = 2 * 1024 * 1024 * 1024 // 2 GB (compressed to ~256 MB Parquet) -) - -type Syncer struct { - config *Config - icebergWriter *IcebergWriter - icebergReader *IcebergReader - syncerTable *SyncerTable -} - -func NewSyncer(config *Config) *Syncer { - if config.Pg.DatabaseUrl == "" { - PrintErrorAndExit(config, "Missing PostgreSQL database URL.\n\n"+ - "See https://github.com/BemiHQ/BemiDB#sync-command-options for more information.", - ) - } - - icebergWriter := NewIcebergWriter(config) - icebergReader := NewIcebergReader(config) - return &Syncer{ - config: config, - icebergWriter: icebergWriter, - icebergReader: icebergReader, - syncerTable: NewSyncerTable(config), - } -} - -func (syncer *Syncer) SyncFromPostgres() { - ctx := context.Background() - if syncer.config.Pg.IncrementallyRefreshedTables == nil { - syncer.sendAnonymousAnalytics("sync-start") - } else { - syncer.sendAnonymousAnalytics("sync-start-incremental") - } - - databaseUrl := syncer.urlEncodePassword(syncer.config.Pg.DatabaseUrl) - icebergSchemaTables, icebergSchemaTablesErr := syncer.icebergReader.SchemaTables() - - structureConn := syncer.newConnection(ctx, databaseUrl) - defer structureConn.Close(ctx) - - copyConn := syncer.newConnection(ctx, databaseUrl) - defer copyConn.Close(ctx) - - syncedPgSchemaTables := []PgSchemaTable{} - - for _, schema := range syncer.listPgSchemas(structureConn) { - for _, pgSchemaTable := range syncer.listPgSchemaTables(structureConn, schema) { - if syncer.shouldSyncTable(pgSchemaTable) { - var internalTableMetadata InternalTableMetadata - syncedPreviously := icebergSchemaTablesErr == nil && icebergSchemaTables.Contains(pgSchemaTable.ToIcebergSchemaTable()) - if syncedPreviously { - internalTableMetadata = syncer.readInternalTableMetadata(pgSchemaTable) - } - - incrementalRefresh := syncer.config.Pg.IncrementallyRefreshedTables != nil && HasExactOrWildcardMatch(syncer.config.Pg.IncrementallyRefreshedTables, pgSchemaTable.ToConfigArg()) - - syncer.syncerTable.SyncPgTable(pgSchemaTable, structureConn, copyConn, internalTableMetadata, incrementalRefresh) - LogInfo(syncer.config, "Finished writing to Iceberg\n") - - syncedPgSchemaTables = append(syncedPgSchemaTables, pgSchemaTable) - } - } - } - - syncer.WriteInternalStartSqlFile(syncedPgSchemaTables) - - if !syncer.config.Pg.PreserveUnsynced { - syncer.deleteOldIcebergSchemaTables(syncedPgSchemaTables) - } - - if syncer.config.Pg.IncrementallyRefreshedTables == nil { - syncer.sendAnonymousAnalytics("sync-finish") - } else { - syncer.sendAnonymousAnalytics("sync-finish-incremental") - } -} - -func (syncer *Syncer) WriteInternalStartSqlFile(pgSchemaTables []PgSchemaTable) { - childTablesByParentTable := make(map[string][]string) - for _, pgSchemaTable := range pgSchemaTables { - if pgSchemaTable.ParentPartitionedTable != "" { - parent := pgSchemaTable.ParentPartitionedTableString() - childTablesByParentTable[parent] = append(childTablesByParentTable[parent], pgSchemaTable.String()) - } - } - - queryRemapper := NewQueryRemapper(syncer.config, syncer.icebergReader, nil) - queries := []string{} - - for parent, children := range childTablesByParentTable { - // CREATE OR REPLACE TABLE test_table AS - // SELECT * FROM iceberg_scan('/iceberg/public/test_table_q1/metadata/v1.metadata.json', skip_schema_inference = true) - // UNION ALL - // SELECT * FROM iceberg_scan('/iceberg/public/test_table_q2/metadata/v1.metadata.json', skip_schema_inference = true) - - subqueries := []string{} - for _, child := range children { - originalSubquery := fmt.Sprintf("SELECT * FROM %s", child) - queryStatements, _, err := queryRemapper.ParseAndRemapQuery(originalSubquery) - PanicIfError(syncer.config, err) - subqueries = append(subqueries, queryStatements[0]) - } - queries = append(queries, fmt.Sprintf("CREATE OR REPLACE TABLE %s AS %s", parent, strings.Join(subqueries, " UNION ALL "))) - } - - syncer.icebergWriter.WriteInternalStartSqlFile(queries) -} - -// Example: -// - From postgres://username:pas$:wor^d@host:port/database -// - To postgres://username:pas%24%3Awor%5Ed@host:port/database -func (syncer *Syncer) urlEncodePassword(databaseUrl string) string { - // No credentials - if !strings.Contains(databaseUrl, "@") { - return databaseUrl - } - - password := strings.TrimPrefix(databaseUrl, "postgresql://") - password = strings.TrimPrefix(password, "postgres://") - passwordEndIndex := strings.LastIndex(password, "@") - password = password[:passwordEndIndex] - - // Credentials without password - if !strings.Contains(password, ":") { - return databaseUrl - } - - _, password, _ = strings.Cut(password, ":") - decodedPassword, err := url.QueryUnescape(password) - if err != nil { - return databaseUrl - } - - // Password is already encoded - if decodedPassword != password { - return databaseUrl - } - - return strings.Replace(databaseUrl, ":"+password+"@", ":"+url.QueryEscape(password)+"@", 1) -} - -func (syncer *Syncer) shouldSyncTable(pgSchemaTable PgSchemaTable) bool { - if syncer.config.Pg.ExcludeTables != nil && HasExactOrWildcardMatch(syncer.config.Pg.ExcludeTables, pgSchemaTable.ToConfigArg()) { - return false - } - - if syncer.config.Pg.IncludeTables != nil { - return HasExactOrWildcardMatch(syncer.config.Pg.IncludeTables, pgSchemaTable.ToConfigArg()) - } - - return true -} - -func (syncer *Syncer) listPgSchemas(conn *pgx.Conn) []string { - var schemas []string - - schemasRows, err := conn.Query( - context.Background(), - "SELECT schema_name FROM information_schema.schemata WHERE schema_name NOT IN ('pg_catalog', 'pg_toast', 'information_schema')", - ) - PanicIfError(syncer.config, err) - defer schemasRows.Close() - - for schemasRows.Next() { - var schema string - err = schemasRows.Scan(&schema) - PanicIfError(syncer.config, err) - schemas = append(schemas, schema) - } - - return schemas -} - -func (syncer *Syncer) listPgSchemaTables(conn *pgx.Conn, schema string) []PgSchemaTable { - var pgSchemaTables []PgSchemaTable - - tablesRows, err := conn.Query( - context.Background(), - ` - SELECT pg_class.relname AS table, COALESCE(parent.relname, '') AS parent_partitioned_table - FROM pg_class - JOIN pg_namespace ON pg_namespace.oid = pg_class.relnamespace - LEFT JOIN pg_inherits ON pg_inherits.inhrelid = pg_class.oid - LEFT JOIN pg_class AS parent ON pg_inherits.inhparent = parent.oid - WHERE pg_namespace.nspname = $1 AND pg_class.relkind = 'r'; - `, - schema, - ) - PanicIfError(syncer.config, err) - defer tablesRows.Close() - - for tablesRows.Next() { - pgSchemaTable := PgSchemaTable{Schema: schema} - err = tablesRows.Scan(&pgSchemaTable.Table, &pgSchemaTable.ParentPartitionedTable) - PanicIfError(syncer.config, err) - pgSchemaTables = append(pgSchemaTables, pgSchemaTable) - } - - return pgSchemaTables -} - -func (syncer *Syncer) newConnection(ctx context.Context, databaseUrl string) *pgx.Conn { - conn, err := pgx.Connect(ctx, databaseUrl) - PanicIfError(syncer.config, err) - - _, err = conn.Exec(ctx, "BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE READ ONLY DEFERRABLE") - PanicIfError(syncer.config, err) - - return conn -} - -func (syncer *Syncer) readInternalTableMetadata(pgSchemaTable PgSchemaTable) InternalTableMetadata { - internalTableMetadata, err := syncer.icebergReader.InternalTableMetadata(pgSchemaTable) - PanicIfError(syncer.config, err) - return internalTableMetadata -} - -func (syncer *Syncer) deleteOldIcebergSchemaTables(pgSchemaTables []PgSchemaTable) { - var prefixedPgSchemaTables []PgSchemaTable - for _, pgSchemaTable := range pgSchemaTables { - prefixedPgSchemaTables = append( - prefixedPgSchemaTables, - PgSchemaTable{Schema: syncer.config.Pg.SchemaPrefix + pgSchemaTable.Schema, Table: pgSchemaTable.Table}, - ) - } - - icebergSchemas, err := syncer.icebergReader.Schemas() - PanicIfError(syncer.config, err) - - for _, icebergSchema := range icebergSchemas { - found := false - for _, pgSchemaTable := range prefixedPgSchemaTables { - if icebergSchema == pgSchemaTable.Schema { - found = true - break - } - } - - if !found { - LogInfo(syncer.config, "Deleting", icebergSchema, "...") - err := syncer.icebergWriter.DeleteSchema(icebergSchema) - PanicIfError(syncer.config, err) - } - } - - icebergSchemaTables, err := syncer.icebergReader.SchemaTables() - PanicIfError(syncer.config, err) - - for _, icebergSchemaTable := range icebergSchemaTables.Values() { - found := false - for _, pgSchemaTable := range prefixedPgSchemaTables { - if icebergSchemaTable.String() == pgSchemaTable.String() { - found = true - break - } - } - - if !found { - LogInfo(syncer.config, "Deleting", icebergSchemaTable.String(), "...") - err := syncer.icebergWriter.DeleteSchemaTable(icebergSchemaTable) - PanicIfError(syncer.config, err) - } - } -} - -type AnonymousAnalyticsData struct { - Command string `json:"command"` - OsName string `json:"osName"` - Version string `json:"version"` - PgHost string `json:"pgHost"` -} - -func (syncer *Syncer) sendAnonymousAnalytics(command string) { - if syncer.config.DisableAnonymousAnalytics { - return - } - - data := AnonymousAnalyticsData{ - Command: command, - OsName: runtime.GOOS + "-" + runtime.GOARCH, - Version: VERSION, - PgHost: ParseDatabaseHost(syncer.config.Pg.DatabaseUrl), - } - if data.PgHost == "" || IsLocalHost(data.PgHost) { - return - } - - jsonData, err := json.Marshal(data) - if err != nil { - return - } - - client := http.Client{Timeout: 5 * time.Second} - _, _ = client.Post("https://api.bemidb.com/api/analytics", "application/json", bytes.NewBuffer(jsonData)) -} diff --git a/src/syncer_table.go b/src/syncer_table.go deleted file mode 100644 index ea07aad..0000000 --- a/src/syncer_table.go +++ /dev/null @@ -1,350 +0,0 @@ -package main - -import ( - "context" - "encoding/csv" - "errors" - "io" - "runtime" - "sync" - "time" - - "github.com/jackc/pgx/v5" -) - -type SyncerTable struct { - config *Config -} - -func NewSyncerTable(config *Config) *SyncerTable { - return &SyncerTable{config: config} -} - -func (syncer *SyncerTable) SyncPgTable(pgSchemaTable PgSchemaTable, structureConn *pgx.Conn, copyConn *pgx.Conn, existingInternalTableMetadata InternalTableMetadata, incrementalRefresh bool) { - // If there is the previous internal metadata and (we perform an incremental refresh or perform a full refresh with the previous full-in-progress mode) - continuedRefresh := existingInternalTableMetadata.MaxXmin != nil && - (incrementalRefresh || existingInternalTableMetadata.LastRefreshMode == RefreshModeFullInProgress) - currentTxid := syncer.currentTxid(structureConn) - - // Create a capped buffer read and written in parallel - cappedBuffer := NewCappedBuffer(MAX_IN_MEMORY_BUFFER_SIZE, syncer.config) - var waitGroup sync.WaitGroup - - // Copy from PG to cappedBuffer in a separate goroutine in parallel ------------------------------------------------ - waitGroup.Add(1) - go func() { - LogInfo(syncer.config, "Reading from Postgres:", pgSchemaTable.String()+"...") - copySql := syncer.CopyFromPgTableSql(pgSchemaTable, existingInternalTableMetadata, currentTxid, continuedRefresh) - syncer.copyFromPgTable(copySql, copyConn, cappedBuffer, &waitGroup) - }() - - // Ping PG using structureConn in a separate goroutine in parallel to keep the connection alive -------------------- - stopPingChannel := make(chan struct{}) - waitGroup.Add(1) - go func() { - syncer.pingPg(structureConn, &stopPingChannel, &waitGroup) - }() - - // Read from cappedBuffer and write to Iceberg --------------------------------------------------------------------- - - var lastTxid int64 - if existingInternalTableMetadata.LastRefreshMode == RefreshModeFullInProgress && existingInternalTableMetadata.LastTxid != 0 { - lastTxid = existingInternalTableMetadata.LastTxid // We'll continue from the initial txid after a full sync is completed - } else { - lastTxid = currentTxid - } - - // Identify the batch size dynamically based on the table stats - dynamicRowCountPerBatch := syncer.calculatedynamicRowCountPerBatch(pgSchemaTable, structureConn) - LogDebug(syncer.config, "Calculated row count per batch:", dynamicRowCountPerBatch, "Continued refresh:", continuedRefresh, "Incremental refresh:", incrementalRefresh) - - // Read the header to get the column information - csvReader := csv.NewReader(cappedBuffer) - csvHeaders, err := csvReader.Read() - PanicIfError(syncer.config, err) - csvHeaders = csvHeaders[:len(csvHeaders)-1] // Ignore the last column (xmin) - pgSchemaColumns := syncer.pgTableSchemaColumns(structureConn, pgSchemaTable, csvHeaders) - - icebergTableWriter := NewIcebergWriterTable( - syncer.config, - pgSchemaTable.ToIcebergSchemaTable(), - pgSchemaColumns, - dynamicRowCountPerBatch, - MAX_PARQUET_PAYLOAD_THRESHOLD, - continuedRefresh, - ) - - reachedEnd := false - totalRowCount := 0 - var maxXmin uint32 - if existingInternalTableMetadata.MaxXmin != nil { - maxXmin = *existingInternalTableMetadata.MaxXmin - } - - LogInfo(syncer.config, "Writing to Iceberg...") - icebergTableWriter.Write(func() ([][]string, InternalTableMetadata) { - var newInternalTableMetadata InternalTableMetadata - var rows [][]string - - for { - row, err := csvReader.Read() - if err == io.EOF { - reachedEnd = true - break - } - if err != nil { - PanicIfError(syncer.config, err) - } - - maxXmin, err = StringToUint32(row[len(row)-1]) - PanicIfError(syncer.config, err) - - row = row[:len(row)-1] // Ignore the last column (xmin) - rows = append(rows, row) - - if len(rows) >= dynamicRowCountPerBatch { - break - } - } - - totalRowCount += len(rows) - LogDebug(syncer.config, "Current total rows written to Parquet files:", totalRowCount, "...") - runtime.GC() // To reduce Parquet Go memory leakage - - newInternalTableMetadata.LastSyncedAt = time.Now().Unix() - newInternalTableMetadata.LastTxid = lastTxid - if maxXmin != 0 { - newInternalTableMetadata.MaxXmin = &maxXmin - } - if reachedEnd { - if incrementalRefresh { - newInternalTableMetadata.LastRefreshMode = RefreshModeIncremental - } else { - newInternalTableMetadata.LastRefreshMode = RefreshModeFull - } - } else { - if incrementalRefresh { - newInternalTableMetadata.LastRefreshMode = RefreshModeIncrementalInProgress - } else { - newInternalTableMetadata.LastRefreshMode = RefreshModeFullInProgress - } - } - - return rows, newInternalTableMetadata - }) - - close(stopPingChannel) // Stop the pingPg goroutine - waitGroup.Wait() // Wait for the Read goroutine to finish -} - -func (syncer *SyncerTable) CopyFromPgTableSql( - pgSchemaTable PgSchemaTable, - existingInternalTableMetadata InternalTableMetadata, - currentTxid int64, - continuedRefresh bool, -) string { - initialWraparoundTxid := PgWraparoundTxid(existingInternalTableMetadata.LastTxid) - currentWraparoundTxid := PgWraparoundTxid(currentTxid) - var previousMaxXmin int64 - if existingInternalTableMetadata.MaxXmin != nil { - previousMaxXmin = int64(*existingInternalTableMetadata.MaxXmin) - } - - if continuedRefresh { - if previousMaxXmin <= currentWraparoundTxid { - // When no wraparound occurred after an incremental or interrupted full sync - // - // [-----------------------|************************|************************|------------------------] - // 0 prev max xmin init (wraparound) txid curr (wraparound) txid 32^2 - // - // [-----------------------|------------------------|************************|------------------------] - // 0 init (wraparound) txid prev max xmin curr (wraparound) txid 32^2 - // - // [-----------------------|************************|------------------------|------------------------] - // 0 prev max xmin curr wraparound txid init (wraparound) txid 32^2 - operator := ">" - if existingInternalTableMetadata.IsInProgress() { - operator = ">=" - } - return "COPY (SELECT *, xmin::text::bigint AS xmin FROM " + pgSchemaTable.String() + - " WHERE xmin::text::bigint " + operator + " " + existingInternalTableMetadata.MaxXminString() + - " AND xmin::text::bigint <= " + Int64ToString(currentWraparoundTxid) + - " ORDER BY xmin::text::bigint ASC)" + - " TO STDOUT WITH CSV HEADER NULL '" + PG_NULL_STRING + "'" - } else if IsPgWraparoundTxid(currentTxid) { - // When a wraparound occurred after an incremental or interrupted full sync - // - // [***********************|------------------------|************************|************************] - // 0 curr wraparound txid prev max xmin init (wraparound) txid 32^2 - // - // [***********************|------------------------|------------------------|************************] - // 0 curr wraparound txid init (wraparound) txid prev max xmin 32^2 - // - // [***********************|************************|------------------------|************************] - // 0 init (wraparound) txid curr wraparound txid prev max xmin 32^2 - operator := ">" - if existingInternalTableMetadata.IsInProgress() { - operator = ">=" - } - return "COPY (SELECT *, xmin::text::bigint AS xmin FROM " + pgSchemaTable.String() + - " WHERE xmin::text::bigint " + operator + " " + existingInternalTableMetadata.MaxXminString() + - " OR xmin::text::bigint <= " + Int64ToString(currentWraparoundTxid) + - " ORDER BY xmin::text::bigint <= " + Int64ToString(currentWraparoundTxid) + " ASC, xmin::text::bigint ASC)" + // Ordered by FALSE, then TRUE - " TO STDOUT WITH CSV HEADER NULL '" + PG_NULL_STRING + "'" - } else { - Panic(syncer.config, "Unexpected case for the COPY SQL statement. Previous max xmin: "+ - Int64ToString(previousMaxXmin)+ - ", initial wraparound txid: "+ - Int64ToString(initialWraparoundTxid)+ - ", current wraparound txid: "+ - Int64ToString(currentWraparoundTxid)) - return "" - } - } else { - // When a new full sync after a successful one or when missing the previous internal metadata (e.g., old BemiDB version) - // - // [**************************************************************************************************] - // 0 curr max xmin - return "COPY (SELECT *, xmin::text::bigint AS xmin FROM " + pgSchemaTable.String() + - " ORDER BY xmin::text::bigint ASC)" + - " TO STDOUT WITH CSV HEADER NULL '" + PG_NULL_STRING + "'" - } -} - -func (syncer *SyncerTable) pgTableSchemaColumns(conn *pgx.Conn, pgSchemaTable PgSchemaTable, csvHeaders []string) []PgSchemaColumn { - if len(csvHeaders) == 0 { - PanicIfError(syncer.config, errors.New("couldn't read data from "+pgSchemaTable.String())) - } - - var pgSchemaColumns []PgSchemaColumn - - rows, err := conn.Query( - context.Background(), - `SELECT - columns.column_name, - columns.data_type, - columns.udt_name, - columns.is_nullable, - columns.ordinal_position, - COALESCE(columns.character_maximum_length, 0), - COALESCE(columns.numeric_precision, 0), - COALESCE(columns.numeric_scale, 0), - COALESCE(columns.datetime_precision, 0), - pg_namespace.nspname, - CASE WHEN pk.constraint_name IS NOT NULL THEN true ELSE false END - FROM information_schema.columns - JOIN pg_type ON pg_type.typname = columns.udt_name - JOIN pg_namespace ON pg_namespace.oid = pg_type.typnamespace - LEFT JOIN ( - SELECT - tc.constraint_name, - kcu.column_name, - kcu.table_schema, - kcu.table_name - FROM information_schema.table_constraints tc - JOIN information_schema.key_column_usage kcu - ON tc.constraint_name = kcu.constraint_name - AND tc.table_schema = kcu.table_schema - AND tc.table_name = kcu.table_name - WHERE tc.constraint_type = 'PRIMARY KEY' - ) pk ON pk.column_name = columns.column_name AND pk.table_schema = columns.table_schema AND pk.table_name = columns.table_name - WHERE columns.table_schema = $1 AND columns.table_name = $2 - ORDER BY array_position($3, columns.column_name)`, - pgSchemaTable.Schema, - pgSchemaTable.Table, - csvHeaders, - ) - PanicIfError(syncer.config, err) - defer rows.Close() - - for rows.Next() { - pgSchemaColumn := NewPgSchemaColumn(syncer.config) - err = rows.Scan( - &pgSchemaColumn.ColumnName, - &pgSchemaColumn.DataType, - &pgSchemaColumn.UdtName, - &pgSchemaColumn.IsNullable, - &pgSchemaColumn.OrdinalPosition, - &pgSchemaColumn.CharacterMaximumLength, - &pgSchemaColumn.NumericPrecision, - &pgSchemaColumn.NumericScale, - &pgSchemaColumn.DatetimePrecision, - &pgSchemaColumn.Namespace, - &pgSchemaColumn.PartOfPrimaryKey, - ) - PanicIfError(syncer.config, err) - pgSchemaColumns = append(pgSchemaColumns, *pgSchemaColumn) - } - - return pgSchemaColumns -} - -func (syncer *SyncerTable) copyFromPgTable(copySql string, copyConn *pgx.Conn, cappedBuffer *CappedBuffer, waitGroup *sync.WaitGroup) { - LogDebug(syncer.config, copySql) - result, err := copyConn.PgConn().CopyTo(context.Background(), cappedBuffer, copySql) - PanicIfError(syncer.config, err) - LogInfo(syncer.config, "Copied", result.RowsAffected(), "row(s)...") - - cappedBuffer.Close() - waitGroup.Done() -} - -func (syncer *SyncerTable) currentTxid(conn *pgx.Conn) int64 { - var txid int64 - err := conn.QueryRow(context.Background(), `SELECT txid_snapshot_xmin(txid_current_snapshot())`).Scan(&txid) - PanicIfError(syncer.config, err) - return txid -} - -func (syncer *SyncerTable) calculatedynamicRowCountPerBatch(pgSchemaTable PgSchemaTable, conn *pgx.Conn) int { - var tableSize int64 - var rowCount int64 - - err := conn.QueryRow( - context.Background(), - ` - SELECT - pg_total_relation_size(c.oid) AS table_size, - CASE - WHEN c.reltuples >= 0 THEN c.reltuples::bigint - ELSE (SELECT count(*) FROM `+pgSchemaTable.String()+`) - END AS row_count - FROM pg_class c - JOIN pg_namespace n ON n.oid = c.relnamespace - WHERE n.nspname = $1 AND c.relname = $2 AND c.relkind = 'r'`, - pgSchemaTable.Schema, - pgSchemaTable.Table, - ).Scan(&tableSize, &rowCount) - PanicIfError(syncer.config, err) - LogDebug(syncer.config, "Read table size:", tableSize, "Approximate row count:", rowCount) - - if tableSize == 0 || rowCount == 0 { - return 1 - } - - rowSize := tableSize / rowCount - dynamicRowCountPerBatch := int(MAX_PG_ROWS_BATCH_SIZE / rowSize) - if dynamicRowCountPerBatch == 0 { - return 1 - } - - return dynamicRowCountPerBatch -} - -func (syncer *SyncerTable) pingPg(conn *pgx.Conn, stopPingChannel *chan struct{}, waitGroup *sync.WaitGroup) { - ticker := time.NewTicker(PING_PG_INTERVAL_SECONDS * time.Second) - - for { - select { - case <-*stopPingChannel: - LogDebug(syncer.config, "Stopping the ping...") - waitGroup.Done() - ticker.Stop() - return - case <-ticker.C: - LogDebug(syncer.config, "Pinging the database...") - _, err := conn.Exec(context.Background(), "SELECT 1") - PanicIfError(syncer.config, err) - } - } -} diff --git a/src/syncer_table_test.go b/src/syncer_table_test.go deleted file mode 100644 index 1997383..0000000 --- a/src/syncer_table_test.go +++ /dev/null @@ -1,178 +0,0 @@ -package main - -import ( - "testing" -) - -func TestCopyFromPgTableSql(t *testing.T) { - config := &Config{} - syncer := NewSyncerTable(config) - pgSchemaTable := PgSchemaTable{Schema: "public", Table: "users"} - - t.Run("Full refresh", func(t *testing.T) { - // [**************************************************************************************************] - // 0 curr max xmin - t.Run("Runs a full refresh if there is no previous internalTableMetadata", func(t *testing.T) { - internalTableMetadata := InternalTableMetadata{} - currentTxid := int64(100) - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, false) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" ORDER BY xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - - // [**************************************************************************************************] - // 0 curr max xmin - t.Run("Runs a full refresh after successful full sync", func(t *testing.T) { - previousMaxXmin := uint32(500) - initialTxid := int64(800) - currentTxid := int64(1000) - internalTableMetadata := InternalTableMetadata{LastRefreshMode: RefreshModeFull, LastTxid: initialTxid, MaxXmin: &previousMaxXmin} - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, false) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" ORDER BY xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - }) - - t.Run("Continued in-progress refresh without a wraparound", func(t *testing.T) { - // Full refresh in progress - // [-----------------------|************************|************************|------------------------] - // 0 prev max xmin init (wraparound) txid curr (wraparound) txid 32^2 - t.Run("Continues a full refresh before reaching the initial txid", func(t *testing.T) { - previousMaxXmin := uint32(1_000_000_000) - initialTxid := int64(2_000_000_000) + (int64(1) << 32) - currentTxid := int64(3_000_000_000) + (int64(1) << 32) - internalTableMetadata := InternalTableMetadata{LastRefreshMode: RefreshModeFullInProgress, LastTxid: initialTxid, MaxXmin: &previousMaxXmin} - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, true) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" WHERE xmin::text::bigint >= 1000000000 AND xmin::text::bigint <= 3000000000 ORDER BY xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - - // Incremental refresh - // [-----------------------|************************|************************|------------------------] - // 0 prev max xmin init (wraparound) txid curr (wraparound) txid 32^2 - t.Run("Starts an incremental refresh before reaching the initial txid equal to the current txid", func(t *testing.T) { - previousMaxXmin := uint32(1_000_000_000) - initialTxid := int64(2_000_000_000) + (int64(1) << 32) - currentTxid := int64(3_000_000_000) + (int64(1) << 32) - internalTableMetadata := InternalTableMetadata{LastRefreshMode: RefreshModeIncremental, LastTxid: initialTxid, MaxXmin: &previousMaxXmin} - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, true) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" WHERE xmin::text::bigint > 1000000000 AND xmin::text::bigint <= 3000000000 ORDER BY xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - - // [-----------------------|************************|-------------------------------------------------] - // 0 prev max xmin init (wraparound) txid 32^2 - // curr (wraparound) txid - t.Run("Continues a full refresh before reaching the initial txid equal to the current txid", func(t *testing.T) { - previousMaxXmin := uint32(1_000_000_000) - initialTxid := int64(2_000_000_000) + (int64(1) << 32) - currentTxid := int64(2_000_000_000) + (int64(1) << 32) - internalTableMetadata := InternalTableMetadata{LastRefreshMode: RefreshModeFullInProgress, LastTxid: initialTxid, MaxXmin: &previousMaxXmin} - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, true) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" WHERE xmin::text::bigint >= 1000000000 AND xmin::text::bigint <= 2000000000 ORDER BY xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - - // [-----------------------|------------------------|************************|------------------------] - // 0 init (wraparound) txid prev max xmin curr (wraparound) txid 32^2 - t.Run("Continues a full refresh after reaching the initial txid", func(t *testing.T) { - initialTxid := int64(1_000_000_000) - previousMaxXmin := uint32(2_000_000_000) - currentTxid := int64(3_000_000_000) - internalTableMetadata := InternalTableMetadata{LastRefreshMode: RefreshModeFullInProgress, LastTxid: initialTxid, MaxXmin: &previousMaxXmin} - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, true) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" WHERE xmin::text::bigint >= 2000000000 AND xmin::text::bigint <= 3000000000 ORDER BY xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - }) - - t.Run("Continued in-progress refresh with a wraparound", func(t *testing.T) { - // [***********************|------------------------|************************|************************] - // 0 curr wraparound txid prev max xmin init (wraparound) txid 32^2 - t.Run("Continues a full refresh before reaching the initial txid", func(t *testing.T) { - currentTxid := int64(1_000_000_000) + (int64(1) << 32) - previousMaxXmin := uint32(2_000_000_000) - initialTxid := int64(3_000_000_000) - internalTableMetadata := InternalTableMetadata{LastRefreshMode: RefreshModeFullInProgress, LastTxid: initialTxid, MaxXmin: &previousMaxXmin} - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, true) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" WHERE xmin::text::bigint >= 2000000000 OR xmin::text::bigint <= 1000000000 ORDER BY xmin::text::bigint <= 1000000000 ASC, xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - - // [***********************|------------------------|------------------------|************************] - // 0 curr wraparound txid init (wraparound) txid prev max xmin 32^2 - t.Run("Continues a full refresh after reaching the initial txid", func(t *testing.T) { - currentTxid := int64(1_000_000_000) + (int64(1) << 32) - initialTxid := int64(2_000_000_000) - previousMaxXmin := uint32(3_000_000_000) - internalTableMetadata := InternalTableMetadata{LastRefreshMode: RefreshModeFullInProgress, LastTxid: initialTxid, MaxXmin: &previousMaxXmin} - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, true) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" WHERE xmin::text::bigint >= 3000000000 OR xmin::text::bigint <= 1000000000 ORDER BY xmin::text::bigint <= 1000000000 ASC, xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - - // [-----------------------|************************|------------------------|------------------------] - // 0 prev max xmin curr wraparound txid init (wraparound) txid 32^2 - t.Run("Continues a full refresh if a wraparound occurred during a full sync and max xmin was reset", func(t *testing.T) { - previousMaxXmin := uint32(1_000_000_000) - currentTxid := int64(2_000_000_000) + (int64(1) << 32) - initialTxid := int64(3_000_000_000) - internalTableMetadata := InternalTableMetadata{LastRefreshMode: RefreshModeFullInProgress, LastTxid: initialTxid, MaxXmin: &previousMaxXmin} - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, true) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" WHERE xmin::text::bigint >= 1000000000 AND xmin::text::bigint <= 2000000000 ORDER BY xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - - // [***********************|************************|------------------------|************************] - // 0 init (wraparound) txid curr wraparound txid prev max xmin 32^2 - t.Run("Continues a full refresh after the current wrapparound txid exceeds the initial txid", func(t *testing.T) { - initialTxid := int64(1_000_000_000) - currentTxid := int64(2_000_000_000) + (int64(1) << 32) - previousMaxXmin := uint32(3_000_000_000) - internalTableMetadata := InternalTableMetadata{LastRefreshMode: RefreshModeFullInProgress, LastTxid: initialTxid, MaxXmin: &previousMaxXmin} - - sql := syncer.CopyFromPgTableSql(pgSchemaTable, internalTableMetadata, currentTxid, true) - - expected := "COPY (SELECT *, xmin::text::bigint AS xmin FROM \"public\".\"users\" WHERE xmin::text::bigint >= 3000000000 OR xmin::text::bigint <= 2000000000 ORDER BY xmin::text::bigint <= 2000000000 ASC, xmin::text::bigint ASC) TO STDOUT WITH CSV HEADER NULL 'BEMIDB_NULL'" - if sql != expected { - t.Errorf("Expected SQL:\n%s\nGot:\n%s", expected, sql) - } - }) - }) -} diff --git a/src/syncer_test.go b/src/syncer_test.go deleted file mode 100644 index b753baf..0000000 --- a/src/syncer_test.go +++ /dev/null @@ -1,59 +0,0 @@ -package main - -import "testing" - -func TestShouldSyncTable(t *testing.T) { - t.Run("returns true when no filters are set", func(t *testing.T) { - config := &Config{ - Pg: PgConfig{ - DatabaseUrl: "postgres://user:pass@localhost:5432/db", - }, - } - syncer := NewSyncer(config) - pgSchemaTable := PgSchemaTable{Schema: "public", Table: "users"} - - if !syncer.shouldSyncTable(pgSchemaTable) { - t.Error("Expected shouldSyncTable to return true when no filters are set") - } - }) - - t.Run("respects include filter", func(t *testing.T) { - config := &Config{ - Pg: PgConfig{ - DatabaseUrl: "postgres://user:pass@localhost:5432/db", - IncludeTables: []string{"public.users", "public.orders"}, - }, - } - syncer := NewSyncer(config) - - pgSchemaTableIncluded := PgSchemaTable{Schema: "public", Table: "users"} - if !syncer.shouldSyncTable(pgSchemaTableIncluded) { - t.Error("Expected shouldSyncTable to return true for included table") - } - - pgSchemaTableExcluded := PgSchemaTable{Schema: "public", Table: "secrets"} - if syncer.shouldSyncTable(pgSchemaTableExcluded) { - t.Error("Expected shouldSyncTable to return false for non-included table") - } - }) - - t.Run("respects exclude filter", func(t *testing.T) { - config := &Config{ - Pg: PgConfig{ - DatabaseUrl: "postgres://user:pass@localhost:5432/db", - ExcludeTables: []string{"public.secrets", "public.cache"}, - }, - } - syncer := NewSyncer(config) - - pgSchemaTableIncluded := PgSchemaTable{Schema: "public", Table: "users"} - if !syncer.shouldSyncTable(pgSchemaTableIncluded) { - t.Error("Expected shouldSyncTable to return true for non-excluded table") - } - - pgSchemaTableExcluded := PgSchemaTable{Schema: "public", Table: "secrets"} - if syncer.shouldSyncTable(pgSchemaTableExcluded) { - t.Error("Expected shouldSyncTable to return false for excluded table") - } - }) -} diff --git a/src/utils.go b/src/utils.go deleted file mode 100644 index 43b2c73..0000000 --- a/src/utils.go +++ /dev/null @@ -1,171 +0,0 @@ -package main - -import ( - "crypto/hmac" - "crypto/rand" - "crypto/sha256" - "encoding/base64" - "errors" - "fmt" - "net/url" - "regexp" - "strconv" - "strings" - "time" - "unicode" - - "golang.org/x/crypto/pbkdf2" -) - -func IntToString(i int) string { - return strconv.Itoa(i) -} - -func Int64ToString(i int64) string { - return strconv.FormatInt(i, 10) -} - -func Uint32ToString(i uint32) string { - return strconv.FormatUint(uint64(i), 10) -} - -func StringToInt(s string) (int, error) { - return strconv.Atoi(s) -} - -func StringToInt64(s string) (int64, error) { - return strconv.ParseInt(s, 10, 64) -} - -func StringToUint32(s string) (uint32, error) { - i, err := strconv.ParseUint(s, 10, 32) - return uint32(i), err -} - -func StringToScramSha256(password string) string { - saltLength := 16 - digestLength := 32 - iterations := 4096 - clientKey := []byte("Client Key") - serverKey := []byte("Server Key") - - salt := make([]byte, saltLength) - _, err := rand.Read(salt) - if err != nil { - return "" - } - - digestKey := pbkdf2.Key([]byte(password), salt, iterations, digestLength, sha256.New) - clientKeyHash := hmacSha256Hash(digestKey, clientKey) - serverKeyHash := hmacSha256Hash(digestKey, serverKey) - storedKeyHash := sha256Hash(clientKeyHash) - - return fmt.Sprintf( - "SCRAM-SHA-256$%d:%s$%s:%s", - iterations, - base64.StdEncoding.EncodeToString(salt), - base64.StdEncoding.EncodeToString(storedKeyHash), - base64.StdEncoding.EncodeToString(serverKeyHash), - ) -} - -func StringDateToTime(str string) (time.Time, error) { - // Golang's time.Parse() function does not support parsing dates with 5+ digit years - // So we need to handle this case manually by parsing the year separately - var nonStandardYear int - var err error - parts := strings.Split(str, "-") - if len(parts) == 3 && len(parts[0]) > 4 { - nonStandardYear, err = StringToInt(parts[0]) - if err != nil { - return time.Time{}, errors.New("Invalid year: " + parts[0]) - } - - str = str[len(parts[0])-4:] // Remove the prefix from str leaving only the standard 10 characters (YYYY-MM-DD) - } - - parsedTime, err := time.Parse("2006-01-02", str) - - // If the year is non-standard, add the year difference to the parsed time after parsing - if err == nil && nonStandardYear != 0 { - parsedTime = parsedTime.AddDate(nonStandardYear-parsedTime.Year(), 0, 0) - return parsedTime, nil - } - - return parsedTime, err -} - -func StringContainsUpper(str string) bool { - for _, char := range str { - if unicode.IsUpper(char) { - return true - } - } - return false -} - -func Reverse[T any](originalSlice []T) []T { - length := len(originalSlice) - reversedSlice := make([]T, length) - - for i, elem := range originalSlice { - reversedSlice[length-1-i] = elem - } - - return reversedSlice -} - -func HasExactOrWildcardMatch(strs []string, value string) bool { - for _, str := range strs { - if str == value { - return true - } - - if strings.Contains(str, "*") { - pattern := strings.ReplaceAll(regexp.QuoteMeta(str), "\\*", ".*") - matched, _ := regexp.MatchString("\\A"+pattern+"\\z", value) - if matched { - return true - } - } - } - - return false -} - -func ParseDatabaseHost(dbUrl string) string { - if dbUrl == "" { - return "" - } - - url, err := url.Parse(dbUrl) - if err != nil { - return "" - } - - return url.Hostname() -} - -func IsLocalHost(host string) bool { - return strings.HasPrefix(host, "127.0.0.1") || strings.HasPrefix(host, "localhost") -} - -func PgWraparoundTxid(txid int64) int64 { - return txid % (int64(1) << 32) -} - -func IsPgWraparoundTxid(txid int64) bool { - return txid > (int64(1) << 32) -} - -func hmacSha256Hash(key []byte, message []byte) []byte { - hash := hmac.New(sha256.New, key) - hash.Write(message) - return hash.Sum(nil) -} - -func sha256Hash(data []byte) []byte { - hash := sha256.New() - hash.Write(data) - return hash.Sum(nil) -} diff --git a/test_local_config.py b/test_local_config.py new file mode 100644 index 0000000..62c4c86 --- /dev/null +++ b/test_local_config.py @@ -0,0 +1,137 @@ +import tempfile +import unittest +from pathlib import Path + +from local_config import load_config, normalize_config + +TABLE = {"name": "public.products", "indexColumns": ["description"], "storeColumns": ["id", "description"]} + + +class LocalConfigTest(unittest.TestCase): + def test_audit_only_default(self): + self.assertEqual(normalize_config({}), {"audit": {"enabled": True}, "search": {"enabled": False, "tables": []}}) + + def test_search_only_and_both(self): + for audit in (True, False): + result = normalize_config({"audit": {"enabled": audit}, "search": {"enabled": True, "tables": [TABLE]}}) + self.assertEqual(result["audit"]["enabled"], audit) + self.assertEqual(result["search"]["tables"], [TABLE]) + + def test_invalid_configuration(self): + for config in ( + {"audit": {"enabled": False}}, + {"audit": {"enabled": "false"}}, + {"audti": {}}, + {"search": {"enabled": True}}, + {"search": {"tables": [TABLE]}}, + {"search": {"enabled": True, "tables": [TABLE, TABLE]}}, + {"search": {"enabled": True, "tables": [{**TABLE, "name": "public.products,other.table"}]}}, + {"search": {"enabled": True, "tables": [{**TABLE, "indexColumns": []}]}}, + {"search": {"enabled": True, "tables": [{**TABLE, "storeColumns": ["id", "id"]}]}}, + ): + with self.subTest(config=config), self.assertRaises(ValueError): + normalize_config(config) + + def test_yaml_loading_and_duplicate_keys(self): + with tempfile.TemporaryDirectory() as directory: + path = Path(directory) / "pgstack.yaml" + self.assertTrue(load_config(path)["audit"]["enabled"]) + path.write_text("audit:\n enabled: true\nsearch:\n enabled: false\n") + self.assertEqual(load_config(path), normalize_config({})) + path.write_text("audit: {}\naudit: {}\n") + with self.assertRaises(ValueError): + load_config(path) + + def test_unsafe_yaml_rejected(self): + with tempfile.TemporaryDirectory() as directory: + path = Path(directory) / "pgstack.yaml" + path.write_text("!!python/object/apply:os.system ['false']") + import yaml + with self.assertRaises(yaml.YAMLError): + load_config(path) + + +class EntrypointTest(unittest.TestCase): + """Exercise startup and cleanup with fake services; no database is touched.""" + + def run_entrypoint(self, audit, search, fail_prepare, api_key="test-not-sent", password="test-password"): + import json + import os + import shlex + import shutil + import subprocess + import sys + import yaml + + package = Path(__file__).resolve().parent + entrypoint = package / "local-entrypoint.sh" + if not entrypoint.exists(): + entrypoint = package.parent / "local-entrypoint.sh" + with tempfile.TemporaryDirectory() as directory: + root = Path(directory) + binaries = root / "bin" + binaries.mkdir() + shutil.copy(package / "local_config.py", root / "local_config.py") + (root / "pgstack.yaml").write_text(yaml.safe_dump({ + "audit": {"enabled": audit}, + "search": {"enabled": search, "tables": [TABLE] if search else []}, + })) + script = entrypoint.read_text().replace('/var/lib/pgstack', str(root / 'data')).replace('/app/', str(root) + '/').replace('/tmp/pgstack-local-nats.conf', str(root / 'nats.conf')) + (root / "entrypoint.sh").write_text(script) + stubs = { + "python3": f"#!/bin/sh\nexec {shlex.quote(sys.executable)} \"$@\"\n", + "psql": f"#!{sys.executable}\n" + '''import json, os, sys +keys = ('AUDIT_ENABLED', 'AUDIT_EXCLUDED_TABLES', 'AUDIT_INCLUDED_TABLES', 'SEARCH_SNAPSHOT', 'SEARCH_TABLES', 'SEARCH_TABLES_JSON') +with open(os.environ['CALLS'], 'a') as output: + output.write(json.dumps({'args': sys.argv[1:], 'env': {key: os.environ.get(key) for key in keys}}) + '\\n') +sys.exit(int(os.environ['FAIL_PREPARE'])) +''', + "nats": "#!/bin/sh\nexit 1\n", + "nats-server": "#!/bin/sh\nexit 0\n", + "sleep": "#!/bin/sh\nexit 0\n", + } + for name, content in stubs.items(): + path = binaries / name + path.write_text(content) + path.chmod(0o755) + env = { + **os.environ, + "PATH": str(binaries) + os.pathsep + os.environ["PATH"], + "DATABASE_URL": "postgres://unused/test", + "PGSTACK_PASSWORD": password, + "OPENAI_API_KEY": api_key, + "CALLS": str(root / "calls.jsonl"), + "FAIL_PREPARE": "1" if fail_prepare else "0", + # The wrapper must clear conflicting inherited service settings. + "AUDIT_INCLUDED_TABLES": "private.table", + "AUDIT_EXCLUDED_TABLES": "private.table", + } + result = subprocess.run(["bash", str(root / "entrypoint.sh")], env=env, text=True, capture_output=True, timeout=20) + self.assertNotEqual(result.returncode, 0) + self.assertTrue((root / "calls.jsonl").exists(), result.stderr) + return [json.loads(line) for line in (root / "calls.jsonl").read_text().splitlines()] + + def test_feature_modes_and_failed_setup_do_not_cleanup(self): + import json + for audit, search in ((True, False), (False, True), (True, True)): + with self.subTest(audit=audit, search=search): + calls = self.run_entrypoint(audit, search, True) + self.assertEqual(len(calls), 1, "failed setup must not drop a replication slot") + env = calls[0]["env"] + self.assertEqual(env["AUDIT_ENABLED"], str(audit).lower()) + self.assertEqual(env["AUDIT_EXCLUDED_TABLES"], "" if audit else None) + self.assertIsNone(env["AUDIT_INCLUDED_TABLES"]) + self.assertEqual(env["SEARCH_SNAPSHOT"], str(search).lower()) + self.assertEqual(json.loads(env["SEARCH_TABLES_JSON"]), [TABLE] if search else []) + self.assertEqual(env["SEARCH_TABLES"], TABLE["name"] if search else "") + + def test_passwordless_keyword_only_search(self): + import json + calls = self.run_entrypoint(False, True, True, api_key="", password="") + tables = json.loads(calls[0]["env"]["SEARCH_TABLES_JSON"]) + self.assertEqual(tables, [{**TABLE, "keywordOnly": True}]) + + def test_failure_after_source_setup_cleans_up(self): + calls = self.run_entrypoint(True, False, False) + self.assertEqual(len(calls), 3) + self.assertTrue(any("pg_drop_replication_slot" in arg for arg in calls[-1]["args"])) diff --git a/tests/smoke.sh b/tests/smoke.sh new file mode 100755 index 0000000..d24415f --- /dev/null +++ b/tests/smoke.sh @@ -0,0 +1,102 @@ +#!/usr/bin/env bash +set -Eeuo pipefail +trap 'echo "Smoke test failed at line ${LINENO}: ${BASH_COMMAND}" >&2' ERR +IMAGE="${1:-pgstack:test}" +NAME="pgstack-smoke-${RANDOM}-${RANDOM}" +SOURCE="${NAME}-source" +APP="${NAME}-app" +CONFIG="$(mktemp)" +PASSWORD=smoke +docker network create "$NAME" >/dev/null +# Invoked by the EXIT trap. +# shellcheck disable=SC2329 +cleanup() { + local result=$? + if (( result != 0 )); then docker logs "$APP" 2>&1 || true; fi + docker rm -f "$APP" "$SOURCE" >/dev/null 2>&1 || true + docker network rm "$NAME" >/dev/null 2>&1 || true + rm -f "$CONFIG" +} +trap 'cleanup' EXIT + +docker run -d --name "$SOURCE" --network "$NAME" \ + -e POSTGRES_PASSWORD=smoke postgres:17 -c wal_level=logical >/dev/null +for _ in {1..60}; do + if docker exec "$SOURCE" pg_isready -U postgres >/dev/null 2>&1; then break; fi + sleep 1 +done +docker exec "$SOURCE" psql -U postgres -v ON_ERROR_STOP=1 \ + -c 'CREATE TABLE products (id int PRIMARY KEY, name text)' >/dev/null + +docker run -d --name "$APP" --network "$NAME" \ + -e DATABASE_URL="postgres://postgres:smoke@${SOURCE}:5432/postgres" \ + -e PGSTACK_PASSWORD=smoke "$IMAGE" >/dev/null +query() { + docker exec -e PGPASSWORD="$PASSWORD" -e PGCONNECT_TIMEOUT=3 "$SOURCE" \ + psql -X -At -h "$APP" -p 54321 -U reader -d pgstack -v ON_ERROR_STOP=1 -c "$1" +} +for _ in {1..120}; do + if query 'SELECT 1' >/dev/null 2>&1; then break; fi + sleep 1 +done +[[ "$(query 'SELECT 1')" == 1 ]] +if docker exec -e PGPASSWORD=wrong "$SOURCE" \ + psql -X -h "$APP" -p 54321 -U reader -d pgstack -c 'SELECT 1' >/dev/null 2>&1; then + echo 'Incorrect password was accepted' >&2 + exit 1 +fi +for _ in {1..60}; do + if [[ "$(docker exec "$SOURCE" psql -U postgres -At -c "SELECT active FROM pg_replication_slots WHERE slot_name='pgstack_local'")" == t ]]; then break; fi + sleep 1 +done +docker exec "$SOURCE" psql -U postgres -v ON_ERROR_STOP=1 \ + -c "INSERT INTO products VALUES (1, 'smoke jacket')" >/dev/null +AUDIT_CAPTURED=false +for _ in {1..90}; do + if [[ "$(query "SELECT after->>'name' FROM audit.changes WHERE \"table\"='products'" 2>/dev/null || true)" == 'smoke jacket' ]]; then + AUDIT_CAPTURED=true + break + fi + sleep 1 +done +[[ "$AUDIT_CAPTURED" == true ]] || { echo 'Audit record did not arrive' >&2; exit 1; } +docker stop -t 30 "$APP" >/dev/null +[[ "$(docker exec "$SOURCE" psql -U postgres -At -c "SELECT count(*) FROM pg_replication_slots WHERE slot_name='pgstack_local'")" == 0 ]] +docker rm "$APP" >/dev/null + +# Search-only quickstart: no query password and no embedding API key. +cat >"$CONFIG" <<'YAML' +audit: + enabled: false +search: + enabled: true + tables: + - name: public.products + indexColumns: [name] + storeColumns: [id, name] +YAML +chmod 644 "$CONFIG" +PASSWORD="" +docker run -d --name "$APP" --network "$NAME" \ + -e DATABASE_URL="postgres://postgres:smoke@${SOURCE}:5432/postgres" \ + --mount "type=bind,src=$CONFIG,dst=/app/pgstack.yaml,readonly" "$IMAGE" >/dev/null +for _ in {1..120}; do + if [[ "$(query "SELECT name FROM search.public_products ORDER BY keyword_rank('jacket') LIMIT 1" 2>/dev/null || true)" == 'smoke jacket' ]]; then break; fi + sleep 1 +done +[[ "$(query "SELECT name FROM search.public_products ORDER BY keyword_rank('jacket') LIMIT 1")" == 'smoke jacket' ]] +[[ "$(docker exec "$APP" psql -X -At -c 'SELECT 1')" == 1 ]] +if query "SELECT name FROM search.public_products ORDER BY semantic_rank('jacket') LIMIT 1" >/dev/null 2>&1; then + echo 'Semantic search unexpectedly accepted a keyword-only index' >&2 + exit 1 +fi +docker exec "$SOURCE" psql -U postgres -v ON_ERROR_STOP=1 \ + -c "UPDATE products SET name='smoke boots' WHERE id=1" >/dev/null +for _ in {1..90}; do + if [[ "$(query "SELECT name FROM search.public_products ORDER BY keyword_rank('boots') LIMIT 1" 2>/dev/null || true)" == 'smoke boots' ]]; then break; fi + sleep 1 +done +[[ "$(query "SELECT name FROM search.public_products ORDER BY keyword_rank('boots') LIMIT 1")" == 'smoke boots' ]] +docker stop -t 30 "$APP" >/dev/null +[[ "$(docker exec "$SOURCE" psql -U postgres -At -c "SELECT count(*) FROM pg_replication_slots WHERE slot_name='pgstack_local'")" == 0 ]] +echo 'Container smoke test passed: SCRAM, passwordless local SQL, Audit, keyword-only Search, updates, slot cleanup'