All pull requests

Pull requests

• executor, parser, expression: Add MySQL SQL user-defined function and stored procedure support

  contributiondo-not-merge/needs-linked-issuedo-not-merge/needs-tests-checkeddo-not-merge/release-note-label-neededok-to-testsig/plannersize/XXL
  #71794·sunbains opened Oct 6, 2026·7 tasks done·

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• statistics: skip out-of-range estimation for NULL-only ranges

  component/statisticsrelease-note-nonesig/plannersize/M
  #71793·terry1purcell opened Oct 6, 2026Contributor·1 of 13 tasks·

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  5

• planner: skip rechecking JSON predicates enforced by a multi-valued index

  do-not-merge/work-in-progressrelease-notesig/plannersize/XL
  #71791·terry1purcell opened Oct 6, 2026Contributor·1 of 13 tasks·

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• table: make the mutation checker linear for multi-valued indexes

  do-not-merge/work-in-progressrelease-notesize/L
  #71789·terry1purcell opened Oct 6, 2026Contributor·1 of 13 tasks·

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• tablecodec, planner: decode bin-collation varchar handles in tidb_decode_key

  contributiondo-not-merge/needs-tests-checkedfirst-time-contributorneeds-ok-to-testrelease-notesig/plannersize/M
  #71787·drakeo338 opened Oct 6, 2026·1 of 13 tasks·

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• expression: add TIDB_JSON_KEEP_KEYS to keep only listed keys of a JSON object

  do-not-merge/work-in-progressrelease-notesize/L
  #71786·terry1purcell opened Oct 6, 2026Contributor·3 of 13 tasks·

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• statistics: refactor FM sketch merging in ANALYZE

  approvedcomponent/statisticsneeds-1-more-lgtmrelease-note-nonesig/plannersize/Mskip-issue-check
  #71784·0xPoe opened Oct 6, 2026Member·1 of 13 tasks·

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• expression: propagate string constants into binary columns regardless of the constant's collation label

  release-notesize/L
  #71782·terry1purcell opened Oct 6, 2026Contributor·2 of 12 tasks·

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• expression: add TIDB_JSON_FLATTEN for path/value multi-valued indexes

  do-not-merge/work-in-progressrelease-notesig/plannersize/XXL
  #71781·terry1purcell opened Oct 6, 2026Contributor·3 of 13 tasks·

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• test: stabilize flaky TestClientDisconnectKillsExplicitTxn/begin/query

  release-note-nonesize/S
  #71779·flaky-claw opened Oct 6, 2026Contributor·1 of 13 tasks·

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• lightning: close parquet row count reader (#71774)

  contributiondo-not-merge/cherry-pick-not-approvedneeds-ok-to-testrelease-notesize/M
  #71775·vuphamwa-del opened Oct 5, 2026Contributor·2 of 12 tasks·

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• br: allow configuring AWS web identity session duration

  contributionfirst-time-contributorneeds-ok-to-testrelease-notesize/XL
  #71773·ankitcharolia opened Oct 5, 2026·2 of 13 tasks·

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• planner: only push firstrow predicates below aggregation when they are constant per group

  do-not-merge/needs-triage-completedneeds-cherry-pick-release-nextgen-202603needs-cherry-pick-release-nextgen-202609needs-cherry-pick-release-nextgen-20251011release-notesig/plannersize/L
  #71771·terry1purcell opened Oct 4, 2026Contributor·2 of 13 tasks·

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  8

• planner: eliminate GROUP_CONCAT when grouped by a unique key

  contributiondo-not-merge/work-in-progressneeds-ok-to-testrelease-notesig/plannersize/L
  #71770·ljluestc opened Oct 4, 2026·1 of 13 tasks·

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• planner: treat only direct GROUP BY columns as index join grouping keys

  approvedneeds-1-more-lgtmneeds-cherry-pick-release-nextgen-202603needs-cherry-pick-release-nextgen-202609needs-cherry-pick-release-nextgen-20251011release-notesig/plannersize/M
  #71767·terry1purcell opened Oct 4, 2026Contributor·1 of 13 tasks·

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• planner: do not build index join ranges below an aggregation on ungrouped columns

  approvedneeds-1-more-lgtmneeds-cherry-pick-release-nextgen-202603needs-cherry-pick-release-nextgen-202609needs-cherry-pick-release-nextgen-20251011release-notesig/plannersize/L
  #71736·terry1purcell opened Oct 4, 2026Contributor·1 of 13 tasks·

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• fix golang tests

  contributiondo-not-merge/invalid-titledo-not-merge/work-in-progressneeds-ok-to-testrelease-notesize/L
  #71734·ljluestc opened Oct 3, 2026·5 of 13 tasks·

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• expression: make FOUND_ROWS() a signed BIGINT

  contributionneeds-ok-to-testrelease-notesize/M
  #71732·saryn17 opened Oct 3, 2026·5 of 13 tasks·

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• planner, executor: allow point get on dirty partition tables

  needs-cherry-pick-release-nextgen-202603needs-cherry-pick-release-nextgen-202609release-notesig/plannersize/L
  #71731·winoros opened Oct 1, 2026Member·2 of 13 tasks·

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• planner, executor: support ordered partition BatchPointGet

  release-notesig/plannersize/XL
  #71729·winoros opened Oct 1, 2026Member·3/3·2 of 13 tasks·

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• planner: preserve typed partition BatchPointGet index values

  release-notesig/plannersize/L
  #71727·winoros opened Oct 1, 2026Member·2/3·2 of 13 tasks·

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• planner, executor: support unordered partition CBO BatchPointGet

  release-notesig/plannersize/XXL
  #71726·winoros opened Oct 1, 2026Member·1/3·2 of 13 tasks·

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• planner: enable non-prepared plan cache for eligible multi-statements

  approveddo-not-merge/cherry-pick-not-approvedneeds-1-more-lgtmrelease-note-nonesig/plannersize/L
  #71723·qw4990 opened Oct 1, 2026Contributor·13 tasks·

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• planner: enable non-prepared plan cache for eligible multi-statements

  do-not-merge/needs-linked-issuedo-not-merge/needs-tests-checkedrelease-note-nonesig/plannersize/S
  #71722·qw4990 opened Oct 1, 2026Contributor·13 tasks·

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• test: stabilize flaky TestCancelVariousJobs and TestExchangePartitionMultiTable (release-8.5-20251125-v8.5.4)(#71599) | tidb-test=release-8.5-20251125-v8.5.4

  approvedlgtmrelease-note-nonesig/plannersize/Ltype/cherry-pick-for-feature/release-8.5-cr-pitr
  #71715·ti-chi-bot opened Sep 30, 2026Member·1 of 13 tasks·

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