All pull requests

Pull requests

• Backport #118697 to 26.3: Fix optimize_rewrite_aggregate_function_with_if defeating short-circuit evaluation

  pr-backportpr-bugfix
  #131747·robot-clickhouse-ci-2 opened Nov 15, 2026Contributor·

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• Backport #119192 to 26.3: Analyzer: resolve ambiguous column to alias under prefer_column_name_to_alias

  pr-backportpr-bugfix
  #131746·robot-clickhouse-ci-2 opened Nov 15, 2026Contributor·

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• Build the CI toolchain with jemalloc 5.4.0 using transparent huge pages

  can be testedcomp-ci-infrastructuremanual approvepr-build
  #131745·groeneai opened Nov 15, 2026Collaborator·

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  3

• Check the ETag of S3 reads with versionId=null

  can be testedcomp-object-storagepr-bugfix
  #131744·groeneai opened Nov 15, 2026Collaborator·

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• Fix SELECT count() through a view or a subquery over a Merge table computing the default of a column old parts lack

  can be testedcomp-storage-mergepr-bugfix
  #131743·groeneai opened Nov 15, 2026Collaborator·

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  3

• Reject serialized ActionsDAG COLUMN nodes without a value

  comp-query-executionpr-bugfix
  #131742·alexey-milovidov opened Nov 15, 2026Member·

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• Check declared types of ALIAS and ARRAY_JOIN in a deserialized ActionsDAG

  comp-query-executionpr-bugfix
  #131739·alexey-milovidov opened Nov 15, 2026Member·

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• Do not include DateLUTImpl.h from LocalTime.h and ReadHelpers.h, and SerializationNumber.h from the number data type headers

  can be testedcomp-build-systempr-build
  #131737·groeneai opened Nov 15, 2026Collaborator·

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  3

• Reject serialized query plan steps without their inputs

  comp-query-optimizerpr-critical-bugfixpr-must-backport
  #131736·alexey-milovidov opened Nov 15, 2026Member·

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• Limit the schema nesting depth in the ParquetMetadata format

  comp-formatspr-critical-bugfixpr-must-backport
  #131735·alexey-milovidov opened Nov 15, 2026Member·

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• Limit the number of array dimensions reported by PostgreSQL

  comp-postgresqlpr-critical-bugfixpr-must-backport
  #131734·alexey-milovidov opened Nov 15, 2026Member·

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• Make ColumnAggregateFunction::expand exception-safe

  comp-data-typespr-critical-bugfixpr-must-backport
  #131733·alexey-milovidov opened Nov 15, 2026Member·

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• Check the key size in serialized states of -Map aggregate functions with FixedString keys

  comp-aggregate-functionspr-critical-bugfixpr-must-backport
  #131732·alexey-milovidov opened Nov 15, 2026Member·

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• Ignore publisher confirms with an unknown delivery tag in RabbitMQProducer

  comp-message-queuespr-critical-bugfixpr-must-backport
  #131731·alexey-milovidov opened Nov 15, 2026Member·

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• Require ${data} in the result set format of the Template input format

  comp-formatspr-critical-bugfixpr-must-backport
  #131730·alexey-milovidov opened Nov 15, 2026Member·

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• Backport #113095 to 26.10: Deliver one sorted run per stream reading object storage in order

  pr-backportpr-bugfix
  #131729·robot-ch-test-poll3 opened Nov 15, 2026Contributor·

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• Forbid users with the same name in different user directories

  comp-authenticationpr-critical-bugfixpr-must-backport
  #131728·alexey-milovidov opened Nov 15, 2026Member·

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  4

• Fix 05565_filesystem_isolation_dev_log in the LLVM coverage build

  can be testedcomp-testingpr-ci
  #131727·groeneai opened Nov 15, 2026Collaborator·

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  3

• Fix wrong results with group_by_use_nulls for a key that uses another key in several places

  can be testedcomp-query-analyzerpr-bugfix
  #131726·groeneai opened Nov 15, 2026Collaborator·

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  3

• Measure the SYSTEM CANCEL wake latency in server time in test_cancel_wakes_flush_wait_promptly

  can be testedcomp-testingpr-ci
  #131725·groeneai opened Nov 15, 2026Collaborator·

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  3

• Fix UBSan report on unknown Parquet encodings in the ParquetMetadata format

  can be testedcomp-formatspr-not-for-changelog
  #131724·groeneai opened Nov 15, 2026Collaborator·

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  4

• Fix flaky test 05403_join_delayed_blocks_off_data_path

  can be testedcomp-testingpr-ci
  #131723·groeneai opened Nov 15, 2026Collaborator·

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• Read compressed debug sections in the built-in symbolizer

  can be testedcomp-loggingpr-improvement
  #131722·groeneai opened Nov 15, 2026Collaborator·

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  4

• Fix the schema and row-count caches of s3 sharing one entry between versions of an object

  can be testedcomp-object-storagepr-bugfix
  #131721·groeneai opened Nov 15, 2026Collaborator·

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• Compress the debug sections of the packaged .debug files with zstd

  can be testedcomp-build-systemmanual approvepr-build
  #131720·groeneai opened Nov 15, 2026Collaborator·

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