All pull requests

Pull requests

• Backport #124740 to 26.9: Fix a crash on INSERT when a materialized view reads its source table from a subquery in an expression

  pr-backport
  #125175·robot-ch-test-poll3 opened Oct 11, 2026Contributor·

  ·
  1

  

• Backport #124740 to 26.8: Fix a crash on INSERT when a materialized view reads its source table from a subquery in an expression

  pr-backport
  #125174·robot-ch-test-poll3 opened Oct 11, 2026Contributor·

  ·
  1

  

• Apply only the client's setting changes to the query context in clickhouse-local

  comp-localpr-not-for-changelog
  #125171·alexey-milovidov opened Oct 11, 2026Member·

  ·
  1

  2

• Backport #124157 to 26.9: Do not allocate memory from the counts in columns_substreams.txt

  pr-backportpr-bugfix
  #125170·robot-ch-test-poll opened Oct 11, 2026Contributor·

  ·
  1

  

• Cherry pick #124157 to 26.8: Do not allocate memory from the counts in columns_substreams.txt

  do not testpr-bugfixpr-cherrypick
  #125169·robot-ch-test-poll opened Oct 11, 2026Contributor·

  ·
  

• Cherry pick #124157 to 26.7: Do not allocate memory from the counts in columns_substreams.txt

  do not testpr-bugfixpr-cherrypick
  #125168·robot-ch-test-poll opened Oct 11, 2026Contributor·

  ·
  

• Cherry pick #124157 to 26.3: Do not allocate memory from the counts in columns_substreams.txt

  do not testpr-bugfixpr-cherrypick
  #125167·robot-ch-test-poll opened Oct 11, 2026Contributor·

  ·
  

• Docs: regenerate reference documentation from source

  pr-autogenerated-docspr-documentation
  #125166·clickhouse-gh[bot] opened Oct 11, 2026Bot·

  ·
  5

• Do not wait for a running statistics refresh when a MergeTree table is shut down

  can be testedcomp-mergetreegroeneai-origin-requestpr-improvement
  #125165·groeneai opened Oct 11, 2026Collaborator·

  ·
  1

  4

• Fix flaky tests 05325_mongodb_uri_conflict_error_hides_values and 04538_session_query_ids with parallel replicas

  can be testedcomp-testinggroeneai-origin-ci-masterpr-ci
  #125164·groeneai opened Oct 11, 2026Collaborator·

  ·
  6

• Skip toUnixTimestamp and DateTime casts on index bounds in KeyCondition

  comp-mergetree
  #125163·raimannma opened Oct 11, 2026Contributor·

  ·

• Pin old_parts_lifetime in 05227_system_tables_filter_by_in

  can be testedcomp-testinggroeneai-origin-ci-masterpr-ci
  #125162·groeneai opened Oct 11, 2026Collaborator·

  ·
  3

• Accept a comment-only query such as -- ping over the PostgreSQL protocol

  can be testedcomp-protocolsgroeneai-origin-follow-uppr-bugfix
  #125161·groeneai opened Oct 11, 2026Collaborator·

  ·
  1

  4

• Refuse RENAME DATABASE for detached and not yet loaded S3Queue/AzureQueue tables whose keeper_path expands {database}

  can be testedcomp-s3queuegroeneai-origin-review-humanpr-bugfix
  #125160·groeneai opened Oct 11, 2026Collaborator·

  ·
  4

• Fix RENAME and EXCHANGE in a Replicated database mounted under different local names

  can be testedcomp-database-enginesgroeneai-origin-review-humanpr-bugfix
  #125159·groeneai opened Oct 11, 2026Collaborator·

  ·
  4

• Fix heap-use-after-free after a streaming read round whose sort spilled to disk is torn down

  can be testedcomp-query-executiongroeneai-origin-ci-masterpr-not-for-changelog
  #125158·groeneai opened Oct 11, 2026Collaborator·

  ·
  5

  

• Fix flaky test 04498_join_runtime_filters_multihop

  can be testedcomp-testinggroeneai-origin-ci-masterpr-ci
  #125157·groeneai opened Oct 11, 2026Collaborator·

  ·
  3

• Fix INTERPOLATE reading another column when a target is named like an expression

  can be testedcomp-query-analyzergroeneai-origin-selfpr-bugfix
  #125156·groeneai opened Oct 11, 2026Collaborator·

  ·
  6

• Parquet top-K: find the best value of each row group without a virtual comparison per row

  can be testedcomp-parquet-reader-v3groeneai-origin-issuepr-not-for-changelog
  #125154·groeneai opened Oct 11, 2026Collaborator·

  ·
  1

  4

• Increase the cached_s3 test cache to 10Gi so spilled temporary data fits on the s3 lanes

  can be testedcomp-testinggroeneai-origin-ci-masterpr-ci
  #125153·groeneai opened Oct 11, 2026Collaborator·

  ·
  3

• Tag 05316_top_k_primary_key_skip_query_condition_cache as no-parallel

  can be testedcomp-testinggroeneai-origin-ci-masterpr-ci
  #125152·groeneai opened Oct 11, 2026Collaborator·

  ·
  3

• Vectorize <, >, <=, >= on IPv6 and FixedString(16) for CPUs with AVX-512

  can be testedcomp-regular-functiongroeneai-origin-requestpr-performance
  #125151·groeneai opened Oct 11, 2026Collaborator·

  ·
  5

• Build the index-analysis copy of indexHint for the arguments it is given

  can be testedcomp-mergetreegroeneai-origin-ci-masterpr-not-for-changelog
  #125150·groeneai opened Oct 11, 2026Collaborator·

  ·
  5

• Support the Parquet ALP encoding

  comp-formatspr-featuresubmodule changed
  #125135·alexey-milovidov opened Oct 11, 2026Member·

  ·
  3

• Test reading the entire apache/arrow-testing corpus

  comp-testingpr-buildsubmodule changed
  #125134·alexey-milovidov opened Oct 11, 2026Member·

  ·
  4