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fix(bigquery): accept empty sourceFormat fields - #18472

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triage_bq_failover_routing_bigquery_fix-source-format_b564883082
Oct 12, 2026
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ohmayr merged 1 commit into
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triage_bq_failover_routing_bigquery_fix-source-format_b564883082

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@daniel-sanche

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The current code assumes sourceFormat will always be present. According to the spec, there are cases where it is expected to be ommitted.

This PR changes the code to return None in that case, rather than encounter a KeyError

@daniel-sanche
daniel-sanche requested review from a team as code owners September 25, 2026 19:02
@daniel-sanche
daniel-sanche requested review from tswast and removed request for a team September 25, 2026 19:02

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Code Review

This pull request updates ExternalConfig to gracefully handle cases where sourceFormat is missing from the API representation. Specifically, it changes source_format retrieval to use .get() instead of direct dictionary access, updates the property's type hint and docstring to reflect that it can be Optional, and adds a unit test to verify this behavior. There are no review comments, and the changes look correct, so there is no feedback to provide.

@ohmayr
ohmayr merged commit 590e43d into main Oct 12, 2026
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@ohmayr
ohmayr deleted the triage_bq_failover_routing_bigquery_fix-source-format_b564883082 branch October 12, 2026 07:17
@release-please release-please Bot mentioned this pull request Oct 12, 2026
@chalmerlowe

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NOTE: fixes internal bug: b/564883082

hj690 pushed a commit that referenced this pull request Oct 15, 2026
🤖 I have created a release *beep* *boop*
---


<details><summary>db-dtypes: 1.8.0</summary>

##
[1.8.0](db-dtypes-v1.7.2...db-dtypes-v1.8.0)
(2026-10-15)


### Features

* **db-dtypes:** support pandas 3.1
([#18590](#18590))
([f18a11e](f18a11e))
</details>

<details><summary>gapic-generator: 1.43.1</summary>

##
[1.43.1](gapic-generator-v1.43.0...gapic-generator-v1.43.1)
(2026-10-15)


### Bug Fixes

* **gapic-generator:** do not emit empty routing metadata on
client-streaming RPCs
([#18591](#18591))
([bbdd643](bbdd643))
* **gapic-generator:** resolve showcase-mypy incompatible redefinition
([7032a89](7032a89))
* **gapic-generator:** resolve showcase-mypy incompatible redefinition
and add canary CI job
([#18701](#18701))
([7032a89](7032a89))
</details>

<details><summary>gcp-sphinx-docfx-yaml: 3.4.0</summary>

##
[3.4.0](gcp-sphinx-docfx-yaml-v3.3.3...gcp-sphinx-docfx-yaml-v3.4.0)
(2026-10-15)


### Features

* **gcp-sphinx-docfx-yaml:** optimize performance
([#18588](#18588))
([cf1a0e5](cf1a0e5))
</details>

<details><summary>google-cloud-alloydb: 0.11.4</summary>

##
[0.11.4](google-cloud-alloydb-v0.11.3...google-cloud-alloydb-v0.11.4)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-bigquery: 3.46.2</summary>

##
[3.46.2](google-cloud-bigquery-v3.46.1...google-cloud-bigquery-v3.46.2)
(2026-10-15)


### Bug Fixes

* **bigquery:** accept empty sourceFormat fields
([#18472](#18472))
([590e43d](590e43d))
* **bigquery:** drop startIndex whenever a page token is sent
([#18603](#18603))
([fc6eae3](fc6eae3))
* **bigquery:** remove PendingDeprecationWarning from
RowIterator.to_arrow
([#18684](#18684))
([9025061](9025061))
</details>

<details><summary>google-cloud-bigquery-storage: 2.43.0</summary>

##
[2.43.0](google-cloud-bigquery-storage-v2.42.0...google-cloud-bigquery-storage-v2.43.0)
(2026-10-15)


### Features

* **bigquery-storage:** add Arrow options and cancel to read_rows
([#18643](#18643))
([939bdd0](939bdd0))
</details>

<details><summary>google-cloud-bigtable: 2.50.1</summary>

##
[2.50.1](google-cloud-bigtable-v2.50.0...google-cloud-bigtable-v2.50.1)
(2026-10-15)


### Bug Fixes

* **bigtable:** avoid hang when batcher not closed on process exit
([#18610](#18610))
([7674c91](7674c91))
* **bigtable:** fix authentication scopes for metrics exporter
([#18609](#18609))
([722d34e](722d34e))
</details>

<details><summary>google-cloud-build: 3.41.0</summary>

##
[3.41.0](google-cloud-build-v3.40.0...google-cloud-build-v3.41.0)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-compute: 1.56.0</summary>

##
[1.56.0](google-cloud-compute-v1.55.0...google-cloud-compute-v1.56.0)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-compute-v1beta: 0.12.9</summary>

##
[0.12.9](google-cloud-compute-v1beta-v0.12.8...google-cloud-compute-v1beta-v0.12.9)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-contact-center-insights: 1.29.0</summary>

##
[1.29.0](google-cloud-contact-center-insights-v1.28.0...google-cloud-contact-center-insights-v1.29.0)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-dataproc: 5.32.0</summary>

##
[5.32.0](google-cloud-dataproc-v5.31.0...google-cloud-dataproc-v5.32.0)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-datastream: 1.21.0</summary>

##
[1.21.0](google-cloud-datastream-v1.20.0...google-cloud-datastream-v1.21.0)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-memorystore: 0.5.6</summary>

##
[0.5.6](google-cloud-memorystore-v0.5.5...google-cloud-memorystore-v0.5.6)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-pubsub: 2.43.0</summary>

##
[2.43.0](google-cloud-pubsub-v2.42.0...google-cloud-pubsub-v2.43.0)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-redis-cluster: 0.5.5</summary>

##
[0.5.5](google-cloud-redis-cluster-v0.5.4...google-cloud-redis-cluster-v0.5.5)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-securitycenter: 1.48.0</summary>

##
[1.48.0](google-cloud-securitycenter-v1.47.0...google-cloud-securitycenter-v1.48.0)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

<details><summary>google-cloud-storage: 3.17.1</summary>

##
[3.17.1](google-cloud-storage-v3.17.0...google-cloud-storage-v3.17.1)
(2026-10-15)


### Bug Fixes

* **storage:** set GRPC_ALTS_MAX_CONCURRENT_HANDSHAKES=2 in benchmark
runner
([#18703](#18703))
([a9ca134](a9ca134))
</details>

<details><summary>google-developer-knowledge: 0.1.5</summary>

##
[0.1.5](google-developer-knowledge-v0.1.4...google-developer-knowledge-v0.1.5)
(2026-10-15)


### Features

* update API sources and regenerate
([#18699](#18699))
([1aa57db](1aa57db))
</details>

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

---------

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
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3 participants