71 Pull requests merged by 31 people

• globalsort: fix stuck when ingesting small kv (#62407)

  #62410 merged Jul 28, 2025

• test: fix wrong failpoint.Disable path

  #62252 merged Jul 28, 2025

• ddl: check DDL args set InvolvedSchemaInfo

  #62618 merged Jul 28, 2025

• filter: no need to always convert dbname to lowercase in IsSystemSchema

  #62657 merged Jul 28, 2025

• types: fix CASE WHEN wrong result when prepare value is NULL

  #62568 merged Jul 28, 2025

• telemetry: decrease the log level of telemetry failure in ttl.go.

  #62654 merged Jul 28, 2025

• serverinfo: abstract syncer out of infosync

  #62640 merged Jul 28, 2025

• sem: add tidb_service_scope to SEM hidden variable list

  #62584 merged Jul 28, 2025

• planner: add enforce_mpp_test cases covering cascades mode

  #62643 merged Jul 28, 2025

• planner: apply ordering ratio to tablerangescan | tidb-test=pr/2527

  #61506 merged Jul 26, 2025

• *: use difference port to fix UT

  #62624 merged Jul 26, 2025

• br/stream_helper: make dial timeout shorter

  #62619 merged Jul 26, 2025

• statistics: prevent deadlock in SaveAnalyzeResultToStorage by adding a fake table ID for concurrent updates

  #62327 merged Jul 26, 2025

• streamhelper: don't cut down connection when subscription stream closed (#59559)

  #62613 merged Jul 26, 2025

• expression: change log level for ColumnSubstitution's error message (#62605)

  #62632 merged Jul 25, 2025

• br: support s3 profile config

  #62199 merged Jul 25, 2025

• refactor: replace log level setting with logutil.OverrideLevel in tests

  #61930 merged Jul 25, 2025

• variable: disable tidb_enable_historical_stats by default (#53046)

  #59809 merged Jul 25, 2025

• refactor: use slices.Equal to simplify code

  #62601 merged Jul 25, 2025

• streamhelper: don't cut down connection when subscription stream closed (#59559) | tidb-test=release-8.5.1

  #62635 merged Jul 25, 2025

• infosync: move server info sync part of structs out to a separate pkg

  #62609 merged Jul 25, 2025

• pkg/distsql: Add failpoint so TestIssue48756 can run with and without CopLiteWorker

  #61742 merged Jul 25, 2025

• *: add merge speed for global sort

  #62550 merged Jul 25, 2025

• planner: remove "SHOW PLAN FOR <SQL>" syntax

  #62509 merged Jul 25, 2025

• ddl: do some code cleanup in ddl package

  #62015 merged Jul 25, 2025

• *: adapt merge sort and ingest into workerpool | tidb-test=release-8.1.2

  #62150 merged Jul 25, 2025

• planner: use addedRows for out of range and add skew risk ratio | tidb-test=pr/2566

  #62363 merged Jul 25, 2025

• bootstrap: use reserved ID for system schemas/tables in nextgen

  #62570 merged Jul 24, 2025

• *: adjusts the merge sort overlap threshold/merge sort file count step based on concurrency

  #62483 merged Jul 24, 2025

• planner: constant propagation supports more join type in the logical plan builder (#61909)

  #62534 merged Jul 24, 2025

• test: remove unnecessary gc setting after update pd client

  #62611 merged Jul 24, 2025

• streamhelper: don't cut down connection when subscription stream closed (#59559)

  #62573 merged Jul 24, 2025

• planner: Remove InPreparedPlanBuilding member from RangerContext

  #62603 merged Jul 24, 2025

• expression: change log level for ColumnSubstitution's error message

  #62605 merged Jul 24, 2025

• planner: fix wrongly skip plan cache with predicate simplification | tidb-test=pr/2526 (#61515)

  #62434 merged Jul 24, 2025

• domain: skip loading privilege if the notification is from current tidb | tidb-test=release-8.5-20250606-v8.5.2

  #62443 merged Jul 24, 2025

• planner: right deal with predicate in the join reorder

  #62561 merged Jul 24, 2025

• config: pessimistic-auto-commit defaults to true for next-gen TiDB

  #62505 merged Jul 24, 2025

• domain: fix data race in ResourceGroupsController unit test

  #62597 merged Jul 24, 2025

• br: fix pitr with filter drop db issue and adjust tests

  #62485 merged Jul 23, 2025

• planner: fix expand operator shouldn't keep child keys && fix grouping function forget to encode their func meta

  #62558 merged Jul 23, 2025

• build(deps): bump github.com/golangci/golangci-lint/v2 from 2.2.1 to 2.3.0

  #62578 merged Jul 23, 2025

• execdetails: move logic from execdetails.go to runtime_stats.go, tiflash_stats.go, and util.go by feature

  #62581 merged Jul 23, 2025

• planner: move max-one-row related logic into physical op dir

  #62569 merged Jul 23, 2025

• util/topsql: make TestProcessProfCPUProfile stable

  #62582 merged Jul 23, 2025

• planner: move BasePhysicalJoin related logic into physical op dir

  #62571 merged Jul 23, 2025

• planner: Remove InPreparedPlanBuilding member from StatementContext.

  #62542 merged Jul 23, 2025

• copr: support to invalidate shard for tici shard cache

  #62480 merged Jul 23, 2025

• go.mod: upgrade client-go to support redact log (#60353)

  #62278 merged Jul 23, 2025

• ddl: move auto id handling from submitter to executor

  #62449 merged Jul 23, 2025

• planner: fix mpp task spreading blocked by virtual column substitution (#48041)

  #62467 merged Jul 23, 2025

• bootstrap: refactor the system tables/dbs creation

  #62540 merged Jul 23, 2025

• br: enhance table existence check (#61596)

  #61626 merged Jul 23, 2025

• *: bump client-go for v7.5.7

  #62554 merged Jul 23, 2025

• planner: move physical projection related logic into physical op dir

  #62533 merged Jul 23, 2025

• planner: simplify predicate with the static prune

  #62507 merged Jul 23, 2025

• *: update FTS feature branch

  #62503 merged Jul 23, 2025

• planner: fixed index out of range, in explicit partition pruning (#62468)

  #62562 merged Jul 23, 2025

• meta/autoid: reduce get autoID's backoff

  #61988 merged Jul 22, 2025

• ddl: optimize temp index worker in highly conflicting case (#61445)

  #62491 merged Jul 22, 2025

• planner: fixed index out of range, in explicit partition pruning

  #62468 merged Jul 22, 2025

• *: the TaskTimeStats structure is extracted to record time-related statistics in CopTasksDetails, including dimensions such as average, percentage, and maximum.

  #62516 merged Jul 22, 2025

• br: Add redact for storage credential infos (#60086)

  #60251 merged Jul 22, 2025

• test: retry for async actions in TestClusterIndexShowTableRegion

  #62532 merged Jul 22, 2025

• table: use writable columns to avoid columns not match when add column DDL exec parallel with update DML (#60048)

  #62519 merged Jul 22, 2025

• docs: a dead link and go version in BR

  #62538 merged Jul 22, 2025

• session: rename and unify location of interfaces, and some refactor

  #62498 merged Jul 22, 2025

• s3: fix compatibility issue when using AssumeWebIdentity with custom S3 endpoint (#60319)

  #61870 merged Jul 22, 2025

• parser, ddl: Add parser support for default value as column

  #61498 merged Jul 22, 2025

• planner: fix the wrong join estimation depending on missing or uninitialized stats (#61604)

  #61676 merged Jul 22, 2025

• planner: add plan_test cases covering cascades mode

  #62511 merged Jul 22, 2025

43 Pull requests opened by 20 people

• *: replace make then copy to slices.Clone

  #62544 opened Jul 22, 2025

• server: handle kill signal during write result to connection (#52882)

  #62548 opened Jul 22, 2025

• ddl: add states to remove old column during modifying column

  #62549 opened Jul 22, 2025

• planner: consider limit-offset clause in IndexLookUp's cost formula

  #62560 opened Jul 22, 2025

• infoschema, server: add per connection TLS status

  #62563 opened Jul 22, 2025

• tests: fix part of invalid failpoints

  #62579 opened Jul 23, 2025

• ranger: get better range in the extractBestCNFItemRanges

  #62585 opened Jul 23, 2025

• ddl/ingest: record merge temp index rate and refine metrics

  #62586 opened Jul 23, 2025

• planner: fix expand operator shouldn't keep child keys && fix grouping function forget to encode their func meta (#62558)

  #62588 opened Jul 23, 2025

• planner: fix expand operator shouldn't keep child keys && fix grouping function forget to encode their func meta (#62558)

  #62589 opened Jul 23, 2025

• br: fix pitr with filter drop db issue and adjust tests (#62485) | tidb-test=release-8.5.1

  #62591 opened Jul 23, 2025

• planner: basic support for tici index

  #62592 opened Jul 23, 2025

• expression: fix the length of casting from INT/REAL/DECIMAL/.... to string | tidb-test=pr/2549 (#61476)

  #62593 opened Jul 23, 2025

• expression: fix the length of casting from INT/REAL/DECIMAL/.... to string | tidb-test=pr/2549 (#61476)

  #62594 opened Jul 23, 2025

• planner: fix expand operator shouldn't keep child keys && fix grouping function forget to encode their func meta (#62558)

  #62595 opened Jul 24, 2025

• planner: add binary, DAG, and correlated test cases covering cascades mode

  #62598 opened Jul 24, 2025

• *: simplify `ExecDetails` by embedding `CopExecDetails` and removing `DetailsNeedP90`

  #62600 opened Jul 24, 2025

• domain: ignore DDL session when calculating the min startTs

  #62607 opened Jul 24, 2025

• planner: move base physical agg related logic into physical op dir.

  #62612 opened Jul 24, 2025

• streamhelper: don't cut down connection when subscription stream closed (#59559)

  #62614 opened Jul 24, 2025

• docs: RFC for IndexLookup push down

  #62615 opened Jul 24, 2025

• planner: TTL scan can trigger sync/async load/generateRuntimeFilter

  #62616 opened Jul 24, 2025

• expression: change log level for ColumnSubstitution's error message (#62605)

  #62622 opened Jul 24, 2025

• planner: right deal with predicate in the join reorder (#62561)

  #62625 opened Jul 24, 2025

• planner: right deal with predicate in the join reorder (#62561)

  #62626 opened Jul 24, 2025

• planner: right deal with predicate in the join reorder (#62561)

  #62627 opened Jul 24, 2025

• *: adjusts the merge sort overlap threshold/merge sort file count step based on concurrency (#62483)

  #62628 opened Jul 24, 2025

• *: adjusts the merge sort overlap threshold/merge sort file count step based on concurrency (#62483)

  #62629 opened Jul 24, 2025

• planner: Index pruning 2nd attempt (WIP)

  #62630 opened Jul 24, 2025

• expression: change log level for ColumnSubstitution's error message (#62605)

  #62631 opened Jul 25, 2025

• variable: fix wrong default value about tiflash

  #62636 opened Jul 25, 2025

• [WIP]: add `information_schema.schemata_extensions` memory table for displaying read only status of database

  #62637 opened Jul 25, 2025

• disttask: refine the speed calculation of import jobs

  #62638 opened Jul 25, 2025

• planner: Implement ignore_plan_cache hint for non-prepared statements.

  #62641 opened Jul 25, 2025

• statistics: prevent deadlock in SaveAnalyzeResultToStorage by adding a fake table ID for concurrent updates (#62327)

  #62642 opened Jul 26, 2025

• *: add HTTP API for GC component GetGCStates

  #62647 opened Jul 28, 2025

• br/advancer: move retryable error logs to warn (#61551)

  #62648 opened Jul 28, 2025

• [DNM]: merge sort reader oom

  #62649 opened Jul 28, 2025

• planner: move PhysicalIndexJoin related logic into physical op dir

  #62651 opened Jul 28, 2025

• executor: Change log level to `Warning` in the `Close` of join

  #62656 opened Jul 28, 2025

• sessionctx: mark tidb_enable_auto_analyze_priority_queue as deprecated

  #62659 opened Jul 28, 2025

• Release-testing: v7.5.7 tidb repo CI trigger

  #62660 opened Jul 28, 2025

• Release-testing: v8.5.3 tidb repo CI trigger

  #62661 opened Jul 28, 2025

37 Issues closed by 6 people

• make dumpling_unit_test failed

  #62251 closed Jul 28, 2025

• no need to always convert dbname to lowercase in IsSystemSchema

  #62658 closed Jul 28, 2025

• `CASE WHEN` returns different result in prepared statement and normal query

  #62564 closed Jul 28, 2025

• Decrease the log level of `telemetry/ttl.go`.

  #62653 closed Jul 28, 2025

• Bug in SELECT DISTINCT Query with Complex JOIN Condition: Missing Expected Results

  #62645 closed Jul 28, 2025

• `tidb_service_scope` is not hidden by SEM, but it also cannot be set.

  #62583 closed Jul 28, 2025

• A bug when using INNER JOIN

  #62644 closed Jul 27, 2025

• Optimizer chose tablerangescan with order rather than indexrangescan

  #61540 closed Jul 26, 2025

• improve plan cache for select statement

  #4903 closed Jul 26, 2025

• flaky test TestBackfillingSchedulerGlobalSortMode

  #62623 closed Jul 26, 2025

• `runtime error: index out of range [1] with length 1` on `SELECT`

  #43256 closed Jul 26, 2025

• Deadlock encountered during statistics collection

  #62069 closed Jul 26, 2025

• Support AWS profile for S3 configuration

  #46609 closed Jul 26, 2025

• realtikvtest/brietest: log might be lost during running test

  #61929 closed Jul 25, 2025

• BR G08 integration test execution slows down, easily encountering timeout limits.

  #62566 closed Jul 25, 2025

• Index addition is blocked during memory acquisition in the global sort process

  #60951 closed Jul 24, 2025

• flaky BR test run_group_br_tests.sh G08

  #62610 closed Jul 24, 2025

• Support Pinning Owner Processes (analyze, ddl) to Specific TiDB Instances

  #61971 closed Jul 24, 2025

• br: pitr with filter drop db silently fall back to schema full reload

  #62528 closed Jul 24, 2025

• improve log level for ColumnSubstitution's error message

  #62608 closed Jul 24, 2025

• tidb docker healthcheck

  #62572 closed Jul 24, 2025

• Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '='

  #62596 closed Jul 24, 2025

• Failed to build executor

  #61715 closed Jul 24, 2025

• Use pessimistic mode for auto-commit statements by default for next-gen

  #62502 closed Jul 24, 2025

• DATA RACE in the ResourceGroupsController

  #62577 closed Jul 24, 2025

• Unexpected result

  #62269 closed Jul 23, 2025

• br: add table filter to current int test

  #62486 closed Jul 23, 2025

• rollup will output more rows than expected

  #62551 closed Jul 23, 2025

• ​​Code reorganization: move logic from execdetails.go (2468 lines) to runtime_stats.go, tiflash_stats.go, and util.go

  #62580 closed Jul 23, 2025

• DATA RACE in the TestProcessProfCPUProfile

  #62576 closed Jul 23, 2025

• Rebase auto increment not executed after second restore

  #60804 closed Jul 23, 2025

• query partition table with cte format got a nil pointer error

  #62494 closed Jul 23, 2025

• latency spike(30 ms -->500ms) in auto increment writes during tidb auto id reboot

  #61987 closed Jul 22, 2025

• `DELETE ... PARTITION` statement meets runtime error

  #62458 closed Jul 22, 2025

• The `TaskTimeStats` structure is extracted to record time-related statistics in `CopTasksDetails`, including dimensions such as average, percentage, maximum, etc.

  #62515 closed Jul 22, 2025

• flaky test TestClusterIndexShowTableRegion

  #62524 closed Jul 22, 2025

• ERROR 8118 (HY000): Failed to build executor

  #27501 closed Jul 22, 2025

28 Issues opened by 26 people

• v8.5.3 release CI pull-lightning-integration-test fail

  #62666 opened Jul 29, 2025

• Equal predicate at end of range or out of range does not recognize modifyCount

  #62665 opened Jul 29, 2025

• Add support for partial index

  #62664 opened Jul 28, 2025

• Unexpected assertion failed with sub query

  #62663 opened Jul 28, 2025

• a IN (1) OR a = 1 cannot be simplified

  #62662 opened Jul 28, 2025

• Change log level to `Warning` in the `Close` of join

  #62652 opened Jul 28, 2025

• Make the error message reported while querying TABLE_STORAGE_STATS table more user friendly

  #62646 opened Jul 28, 2025

• Tables contain zero column ID after `CREATE TABLE LIKE`

  #62639 opened Jul 25, 2025

• The 'ignore_plan_cache' hint does not prevent the caching of non-prepared queries.

  #62634 opened Jul 25, 2025

• importinto: scanning large dataset is slow

  #62633 opened Jul 25, 2025

• StmtCommit should not be used inside foreign key executors

  #62621 opened Jul 24, 2025

• log backup lag reached 15 when random tikv shut down

  #62620 opened Jul 24, 2025

• ONLY_FULL_GROUP_BY check fails due to negative value

  #62617 opened Jul 24, 2025

• `GROUP BY` returns different results in prepared statement and normal SELECT query

  #62606 opened Jul 24, 2025

• auto_increment insert failed, but auto_id cache was changed

  #62604 opened Jul 24, 2025

• The behaviour of `JDBC` + `decimal` is different between TiDB and MySQL

  #62602 opened Jul 24, 2025

• Simplify `execdetails.ExecDetails` by embedding `execdetails.CopExecDetails` and removing `execdetails.DetailsNeedP90`

  #62599 opened Jul 24, 2025

• Pseudo-objects consumes too much memory

  #62590 opened Jul 23, 2025

• Support to IndexLookUp PushDown

  #62575 opened Jul 23, 2025

• Data truncation: Truncated incorrect INTEGER value

  #62574 opened Jul 23, 2025

• Some failpoint are invalid

  #62567 opened Jul 23, 2025

• statement level deadlock retry

  #62565 opened Jul 23, 2025

• Add some guard for ddl package

  #62559 opened Jul 22, 2025

• GROUP BY ? in prepared statement causes error in TiDB (MySQL compatible)

  #62556 opened Jul 22, 2025

• bump client-go for 7.5.7

  #62555 opened Jul 22, 2025

• Only partial column is used for composite index scan under mixed single-column and multi-column conditions

  #62547 opened Jul 22, 2025

• br: allow log backup migration works with restore at the same time

  #62546 opened Jul 22, 2025

• some code can replace make...copy to slices.Clone

  #62543 opened Jul 22, 2025

230 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• disttask: Import Into support dynamic parameter configuration of thread and max_write_speed | tidb-test=release-8.1.2

  #62214 commented on Jul 28, 2025 • 59 new comments

• *: Import Into support full-text index using TiCI | tidb-test=6bdea2de0052a14aa67348aa8a797fc206d9b784

  #61760 commented on Jul 28, 2025 • 43 new comments

• server: support standbyController to control startup process

  #53955 commented on Jul 26, 2025 • 17 new comments

• ddl: skip waiting version synced without MDL for multi-schema-change

  #62477 commented on Jul 23, 2025 • 8 new comments

• *: use virtual-hosted-style S3 URI for AWS S3

  #62308 commented on Jul 28, 2025 • 6 new comments

• planner: Use NDV from the sample for TopN/Buckets

  #62094 commented on Jul 28, 2025 • 4 new comments

• ddl, disttask: import into integrate table mode

  #61200 commented on Jul 28, 2025 • 4 new comments

• memory: add submodules arbitrator / pool

  #60597 commented on Jul 25, 2025 • 3 new comments

• dumpling: improve string key handling, streaming process with chunking

  #62172 commented on Jul 28, 2025 • 3 new comments

• ddl: add checker for ddl package related PR

  #62396 commented on Jul 28, 2025 • 2 new comments

• *: add the new SEMv2 config and implement most of the functions

  #61634 commented on Jul 28, 2025 • 1 new comment

• *: deal with expression.ScalarFunction type in the BuildKeyInfo

  #42916 commented on Jul 22, 2025 • 1 new comment

• *: upgrade go1.24

  #59015 commented on Jul 28, 2025 • 0 new comments

• [WIP]external storage: use ListObjectsV2 and handle S3 express one zone

  #58953 commented on Jul 28, 2025 • 0 new comments

• partition: Non cluster reorganize partition tests and assert fixes

  #58902 commented on Jul 28, 2025 • 0 new comments

• ddl: table collation should follow schema

  #58582 commented on Jul 28, 2025 • 0 new comments

• pd: replace client with NewClientWithAPIContext

  #58561 commented on Jul 28, 2025 • 0 new comments

• br: make br help sync with the new checksum default value

  #58558 commented on Jul 28, 2025 • 0 new comments

• planner: fix idxMergePartPlans forget to deal with RootTaskConds (#58507)

  #58516 commented on Jul 26, 2025 • 0 new comments

• executor: update oldRow in updateRecord for generated columns if necessary

  #58474 commented on Jul 28, 2025 • 0 new comments

• json: validate json value in planner stage | tidb-test=pr/2461

  #58434 commented on Jul 28, 2025 • 0 new comments

• expression,parser: Remove PASSWORD() function | tidb-test=pr/2459

  #58346 commented on Jul 22, 2025 • 0 new comments

• TTL: allow custom start time

  #62018 commented on Jul 28, 2025 • 0 new comments

• executor: in-txn statement read from MemBuffer's snapshot

  #59219 commented on Jul 25, 2025 • 0 new comments

• lightning: Change parquet library to arrow-go

  #59244 commented on Jul 25, 2025 • 0 new comments

• statistics: parallel async merge global stats to improve performance

  #59661 commented on Jul 28, 2025 • 0 new comments

• *: The field `Max_user_connections` in mysql.user should all lowercase letters.

  #59830 commented on Jul 25, 2025 • 0 new comments

• *: Add caller information to pd client

  #59911 commented on Jul 28, 2025 • 0 new comments

• planner: adjust index cost for preferRangeScan | tidb-test=pr/2497

  #60043 commented on Jul 28, 2025 • 0 new comments

• importinto: fix null value for base64

  #60102 commented on Jul 28, 2025 • 0 new comments

• planner: Support tablescan elimination for indexmerge

  #60136 commented on Jul 28, 2025 • 0 new comments

• ddl/dxf: modify param at runtime for add-index on DXF global sort

  #60197 commented on Jul 25, 2025 • 0 new comments

• dxf: skip a flaky test to avoid block CI

  #60241 commented on Jul 28, 2025 • 0 new comments

• ddl: Non clustered reorg part optimistic backfill

  #60382 commented on Jul 25, 2025 • 0 new comments

• parser: Add support for DEFAULT ROLE option in CREATE and ALTER USER

  #60386 commented on Jul 28, 2025 • 0 new comments

• planner: fix cannot prune the partition without global index | tidb-test=pr/2512

  #60487 commented on Jul 25, 2025 • 0 new comments

• infoschema_v2: get table cache with old schema version

  #51385 commented on Jul 28, 2025 • 0 new comments

• *: add client trace info through session variable

  #51539 commented on Jul 28, 2025 • 0 new comments

• statistics: remove one unused var

  #52263 commented on Jul 25, 2025 • 0 new comments

• util/dbterror: refine reorg retryable errors

  #52808 commented on Jul 25, 2025 • 0 new comments

• expression: replace `mock.Context` with `StaticExprContext` in tests

  #53007 commented on Jul 28, 2025 • 0 new comments

• lightning: allow configure the desired size and number of rows of each INSERT statement for logical mode (#46997)

  #53159 commented on Jul 25, 2025 • 0 new comments

• metrics: init metrics with constlabls

  #53380 commented on Jul 28, 2025 • 0 new comments

• infoschema: fix issue of load multiple schema diff at a time will cause information schema cache miss

  #53620 commented on Jul 25, 2025 • 0 new comments

• server, executor: support UsernamePolicy

  #53998 commented on Jul 28, 2025 • 0 new comments

• executor: fix the potential regression of #53855

  #54036 commented on Jul 28, 2025 • 0 new comments

• statistics: fix metrics for stats cache cost

  #54388 commented on Jul 24, 2025 • 0 new comments

• parser: print right flen for VarString | tidb-test=pr/2366

  #54679 commented on Jul 28, 2025 • 0 new comments

• ddl: Reorganize partition supporting global index (#53277)

  #55051 commented on Jul 28, 2025 • 0 new comments

• lightning: add memory control to solve parquet OOM issue

  #55085 commented on Jul 28, 2025 • 0 new comments

• Planner: Reduce multicol buckets with repeat 1

  #55172 commented on Jul 28, 2025 • 0 new comments

• *: force sync stats with concurrency writing stats

  #55389 commented on Jul 25, 2025 • 0 new comments

• planner: out of range for sampling | tidb-test=pr/2381

  #55512 commented on Jul 28, 2025 • 0 new comments

• br: fix br integration test (#53836)

  #56080 commented on Jul 25, 2025 • 0 new comments

• Release-testing: v7.5.6 tidb repo CI trigger

  #56389 commented on Jul 28, 2025 • 0 new comments

• expression: Truncate FSP instead of rounding for utc_timestamp() | tidb-test=pr/2405

  #56431 commented on Jul 28, 2025 • 0 new comments

• *: inject table metas as kv instead of DDL for testkit boostrap

  #56728 commented on Jul 28, 2025 • 0 new comments

• planner: add a new RBO rule to prune constant group by items | tidb-test=pr/2468

  #56792 commented on Jul 28, 2025 • 0 new comments

• planner: XForm should or should not care about group location and group expression inserting

  #56833 commented on Jul 28, 2025 • 0 new comments

• test

  #57026 commented on Jul 28, 2025 • 0 new comments

• planner: fix wrong schema when to solve the schema name in CTE (#57253)

  #57330 commented on Jul 26, 2025 • 0 new comments

• *: for test

  #57597 commented on Jul 28, 2025 • 0 new comments

• Release-testing: v8.5.2 tidb repo CI trigger

  #57639 commented on Jul 28, 2025 • 0 new comments

• planner: fix the issue where noDecorrelate does not take effect

  #60539 commented on Jul 28, 2025 • 0 new comments

• planner: set the default of the tidb_cost_model_version correctly (#61608)

  #61896 commented on Jul 25, 2025 • 0 new comments

• *: fix uninit variable

  #61910 commented on Jul 28, 2025 • 0 new comments

• expression: avoid copying the hashcode to prevent forgetting to update the hashcode when updating the expression later

  #61933 commented on Jul 23, 2025 • 0 new comments

• ddl: support drop full text index on TiCI | tidb-test=96e31edf37b6c9819a3578541615f05650fe0dbf

  #61956 commented on Jul 28, 2025 • 0 new comments

• planner: refactor equal estimation for consistency

  #61986 commented on Jul 28, 2025 • 0 new comments

• fix: close #59483 by correct type check vecEvalString in Inet6Ntoa

  #61998 commented on Jul 28, 2025 • 0 new comments

• sem: implement the `RESTRICTED_SQL_ADMIN` function for sem v2

  #62025 commented on Jul 23, 2025 • 0 new comments

• variable: fix wrong TiDBReplicaRead/ReplicaClosestReadThreshold in the internal sql

  #62081 commented on Jul 28, 2025 • 0 new comments

• *: Sync feature/fts with master commits

  #62137 commented on Jul 23, 2025 • 0 new comments

• expression: skip empty or one expression in the RemoveDupExprs | tidb-test=pr/2547 (#62114)

  #62164 commented on Jul 27, 2025 • 0 new comments

• ddl: enable CREATE TABLE AUTO_INCREMENT validation

  #62226 commented on Jul 25, 2025 • 0 new comments

• planner: add more test cases for column privilege | tidb-test=release-8.5-20250606-v8.5.2

  #62241 commented on Jul 23, 2025 • 0 new comments

• lightning: sample once parquet file (#56205)

  #62307 commented on Jul 23, 2025 • 0 new comments

• importinto: add `GROUP_KEY` option to import jobs

  #62369 commented on Jul 28, 2025 • 0 new comments

• [WIP]: support read only ddl

  #62392 commented on Jul 25, 2025 • 0 new comments

• fix: add mutex to prevent concurrent btree.Clone() calls in infoschema v2

  #62406 commented on Jul 28, 2025 • 0 new comments

• br: repair the index that any foreign key is needed in

  #62418 commented on Jul 25, 2025 • 0 new comments

• executor, planner: do not fetch row data for PointGet when covering index have enough data

  #62423 commented on Jul 25, 2025 • 0 new comments

• stats: replace Copy with ShallowCopy for table stats update logic

  #62430 commented on Jul 28, 2025 • 0 new comments

• br: allow append migration to work with restore

  #62433 commented on Jul 23, 2025 • 0 new comments

• br: upgrade aws go sdk from v1 to v2

  #62488 commented on Jul 25, 2025 • 0 new comments

• ddl: CHECK INDEX statement meets runtime error when mutil index with null

  #62490 commented on Jul 24, 2025 • 0 new comments

• build(deps): bump golang.org/x/oauth2 from 0.29.0 to 0.30.0 (#61046)

  #62522 commented on Jul 22, 2025 • 0 new comments

• [DNM]*: add system variables for cte spill

  #62529 commented on Jul 22, 2025 • 0 new comments

• planner: keep hist unchanged when deriving limit stats

  #62537 commented on Jul 28, 2025 • 0 new comments

• planner: constant propagation can deal with anti join

  #62539 commented on Jul 24, 2025 • 0 new comments

• stats: use an alternative function to read the bound from `BLOB` stored in `mysql.stats_buckets`. | tidb-test=pr/2503 (#59791)

  #60581 commented on Jul 28, 2025 • 0 new comments

• *: support fast admin check for multi-value index

  #60650 commented on Jul 25, 2025 • 0 new comments

• *: for build

  #60686 commented on Jul 25, 2025 • 0 new comments

• collate: latin1_bin has the same collate with utf8mb4_bin,utf8_bin (#60702)

  #60709 commented on Jul 28, 2025 • 0 new comments

• [DNM] global-sort: accelerate adding unique index using global sort | tidb-test=release-8.1.2

  #60742 commented on Jul 28, 2025 • 0 new comments

• [DNM]executor: support tidb_store_batch_size for index_scan rpc

  #60819 commented on Jul 25, 2025 • 0 new comments

• expression: simple expression IsTruthWithNull/IsTruthWithoutNull with CAST

  #61076 commented on Jul 27, 2025 • 0 new comments

• [DNM]test: only debug for remove version checker to test BR v9.0 on cluster v7.5

  #61120 commented on Jul 22, 2025 • 0 new comments

• [DNM]*: demo for no_null_index and use index(tiflash) on release 8.5

  #61123 commented on Jul 25, 2025 • 0 new comments

• planner: enable the partition prune to get more accurate row count [WIP]

  #61139 commented on Jul 28, 2025 • 0 new comments

• planner: support basic fulltext search usage

  #61186 commented on Jul 24, 2025 • 0 new comments

• executor: ignore ExplainID with cost_trace

  #61205 commented on Jul 25, 2025 • 0 new comments

• planner: fix wrong cost with tiflash late materialization

  #61229 commented on Jul 25, 2025 • 0 new comments

• [DNM]*: demo for no_null_index and use index(tiflash) on release 8.5

  #61301 commented on Jul 25, 2025 • 0 new comments

• planner: fix flaky test testGlobalStatsAndSQLBinding

  #61359 commented on Jul 28, 2025 • 0 new comments

• domain: log warning when killing auto analyze processes that exceed the time window

  #61434 commented on Jul 23, 2025 • 0 new comments

• planner: fix a case that outerToInnerJoin gets wrong plan

  #61443 commented on Jul 26, 2025 • 0 new comments

• ddl: Implement TableMode feature (#59009)

  #61485 commented on Jul 28, 2025 • 0 new comments

• ddl: update proto to match tici #64

  #61523 commented on Jul 25, 2025 • 0 new comments

• ImportInto: add import sdk for cloud

  #61545 commented on Jul 26, 2025 • 0 new comments

• planner: print PointGet's AccessConditions when to explain | tidb-test=pr/2529

  #61666 commented on Jul 28, 2025 • 0 new comments

• for testing

  #61686 commented on Jul 28, 2025 • 0 new comments

• slowlog, stmtsummary: include the storage engine(s) a query read from

  #61737 commented on Jul 25, 2025 • 0 new comments

• planner's fast impl for new cte in tiflash

  #61743 commented on Jul 23, 2025 • 0 new comments

• go.mod: add debug logs for resource controller

  #61761 commented on Jul 28, 2025 • 0 new comments

• planner: refactor order ratio code | tidb-test=pr/2545

  #61787 commented on Jul 27, 2025 • 0 new comments

• Fail to execute SELECT in TiDB but succeed in MySQL

  #61948 commented on Jul 28, 2025 • 0 new comments

• stats: analyze panic with error "index out of range [10] with length 10" include virtual column

  #62216 commented on Jul 28, 2025 • 0 new comments

• stale read does not work with autocommit=0 correctly

  #62384 commented on Jul 28, 2025 • 0 new comments

• OpenTelemetry Support

  #62360 commented on Jul 28, 2025 • 0 new comments

• planner, executor: fix haven't track the memory usage of PointGet/BatchPointGet

  #21230 commented on Jul 28, 2025 • 0 new comments

• planner/preprocessor: disallow into-outfile clause in some place

  #21956 commented on Jul 28, 2025 • 0 new comments

• *: add `sys` schema, `sys.SCHEMA_UNUSED_INDEXES` view and `sys.SCHEMA_INDEX_USAGE` view

  #22126 commented on Jul 28, 2025 • 0 new comments

• expression: separated arithmeticMinusIntSig

  #22163 commented on Jul 28, 2025 • 0 new comments

• core: fix subQuery at projection in only_full_group

  #22416 commented on Jul 28, 2025 • 0 new comments

• planner, errno: make error code of ErrMixOfGroupFuncAndFields consistent with MySQL

  #22722 commented on Jul 28, 2025 • 0 new comments

• executor,planner: Add support for the HELP statement

  #25485 commented on Jul 28, 2025 • 0 new comments

• *: support SPM in union

  #28383 commented on Jul 28, 2025 • 0 new comments

• variable, stmtctx, types: Fix Tidb is not using set timestamp value when Convert time to date

  #30681 commented on Jul 28, 2025 • 0 new comments

• parser: add parser rules to support kill '1'

  #30941 commented on Jul 28, 2025 • 0 new comments

• *: Change the usage of Ballast

  #31187 commented on Jul 28, 2025 • 0 new comments

• loaddata parall, *: loaddata is changed

  #31645 commented on Jul 28, 2025 • 0 new comments

• planner: add more test cases for plan cache aware of binding

  #31728 commented on Jul 28, 2025 • 0 new comments

• br,docs: fix some typos

  #32710 commented on Jul 28, 2025 • 0 new comments

• statistics: implementation of historical stats gc

  #32947 commented on Jul 28, 2025 • 0 new comments

• expr: add testcase result comparing for time scalar funtions push down

  #33403 commented on Jul 28, 2025 • 0 new comments

• server: fix no log when tmp-storage-quota exceed capacity of directory

  #33592 commented on Jul 28, 2025 • 0 new comments

• update about duration yaxes unit

  #34007 commented on Jul 28, 2025 • 0 new comments

• table/tables: remove int handle id from row to fix binlog issue (#30489)

  #34109 commented on Jul 28, 2025 • 0 new comments

• planner, feedback: invalid the feedback when we turn off the feedback

  #34156 commented on Jul 28, 2025 • 0 new comments

• *: move config file option tidb_txn_total_size_limit and tidb_txn_entry_size_limit to sysvar

  #34448 commented on Jul 28, 2025 • 0 new comments

• planner: refactor left join FD logic according the principle & fix some small cond-fd cases

  #34541 commented on Jul 28, 2025 • 0 new comments

• planner: insert on-duplicate couldn't refer key col after join with using and some other error

  #34623 commented on Jul 28, 2025 • 0 new comments

• statistics: use Datum.CopyTryNoAlloc to avoid unnecessary allocations

  #47012 commented on Jul 28, 2025 • 0 new comments

• Meet "Data is corrupted, missing data for NOT NULL column" when running "delete from xxx" along with DDL (modify column) concurrently

  #62531 commented on Jul 22, 2025 • 0 new comments

• TestMultiSchemaModifyColumn shows index inconsistency

  #60264 commented on Jul 22, 2025 • 0 new comments

• [next gen on clould] Warnings are not cleared

  #61809 commented on Jul 22, 2025 • 0 new comments

• optimistic lock gives wrong result with isolation level read-committed

  #62517 commented on Jul 22, 2025 • 0 new comments

• Call For Participation: Improve the JSON functionality

  #14486 commented on Jul 23, 2025 • 0 new comments

• analyze may not success when there're big value column and that column type is included in `tidb_analyze_skip_column_types`

  #62465 commented on Jul 23, 2025 • 0 new comments

• index join inner side should take seek num into consideration of cost model

  #62499 commented on Jul 24, 2025 • 0 new comments

• Disable features that are not compatible with next-gen

  #60697 commented on Jul 24, 2025 • 0 new comments

• Clean up slow log and related field collection logic

  #62506 commented on Jul 24, 2025 • 0 new comments

• tidb can‘t push down join with nullEQ key condition to tiflash

  #62448 commented on Jul 24, 2025 • 0 new comments

• Unexpected Result in Windows Function inTiFlash

  #61664 commented on Jul 24, 2025 • 0 new comments

• Privilege check is mistakenly skipped for the plan cache point get special path

  #62159 commented on Jul 24, 2025 • 0 new comments

• CTE can not be pushed down to tiflash

  #61758 commented on Jul 24, 2025 • 0 new comments

• Support Lateral derived tables

  #40328 commented on Jul 25, 2025 • 0 new comments

• Make TiDB suiable for DP's join reorder

  #37825 commented on Jul 25, 2025 • 0 new comments

• flaky test TestTiFlashLateMaterialization

  #61989 commented on Jul 25, 2025 • 0 new comments

• Show more detailed progress in `SHOW IMPORT JOBS`

  #61088 commented on Jul 25, 2025 • 0 new comments

• Unexpected multiple join result

  #61327 commented on Jul 25, 2025 • 0 new comments

• Runtime Error: index out of range

  #61683 commented on Jul 26, 2025 • 0 new comments

• improve the performance of ranger

  #10414 commented on Jul 26, 2025 • 0 new comments

• Expression inside window should not support legacy position indication

  #10521 commented on Jul 26, 2025 • 0 new comments

• Executor, Planner: convert in_subquery to hash joins when in_subquery just involves one column

  #13972 commented on Jul 26, 2025 • 0 new comments

• Cost model of aggregation should consider the agg type.

  #11948 commented on Jul 26, 2025 • 0 new comments

• planner: wrong results of null and 0

  #23539 commented on Jul 26, 2025 • 0 new comments

• outer join simplification should be applied in normalization phase

  #58741 commented on Jul 27, 2025 • 0 new comments

• Problems encountered when using the right join field function and monocular operators together

  #42376 commented on Jul 27, 2025 • 0 new comments

• br: upgrade AWS go sdk from v1 to v2

  #62541 commented on Jul 28, 2025 • 0 new comments

• constant propagation cannot be deal with anti join

  #62536 commented on Jul 28, 2025 • 0 new comments

• add index progress goes back

  #62496 commented on Jul 28, 2025 • 0 new comments

• bazel: add test binary into testdata for with-real-tikv

  #47186 commented on Jul 28, 2025 • 0 new comments

• [DNM] test for 42521

  #47295 commented on Jul 28, 2025 • 0 new comments

• statistics: speed up insert when to saveBucketsToStorage

  #47302 commented on Jul 28, 2025 • 0 new comments

• tests: move session/test/txn unit test cases to integration test

  #47343 commented on Jul 28, 2025 • 0 new comments

• Enhancement: Improved Documentation and Comments in Test Files

  #47382 commented on Jul 28, 2025 • 0 new comments

• expression: fix wrong result when comparing float values in some cases

  #47488 commented on Jul 28, 2025 • 0 new comments

• table/tables: fix cached table size limitation violation during inserting

  #47620 commented on Jul 28, 2025 • 0 new comments

• grafana: add metrics for tiflash resource control

  #48167 commented on Jul 28, 2025 • 0 new comments

• gobench: add stats cache into daily-bench

  #48240 commented on Jul 28, 2025 • 0 new comments

• *: improve performance for BuildHistAndTopN

  #48902 commented on Jul 28, 2025 • 0 new comments

• statistics: try to fix pseudo

  #49142 commented on Jul 28, 2025 • 0 new comments

• server: fix spell (#49095)

  #49198 commented on Jul 25, 2025 • 0 new comments

• br: refactor phase 1 cleanup files

  #49626 commented on Jul 28, 2025 • 0 new comments

• [DNM] test: fix unstable TestAddIndexDistPauseAndResume

  #49635 commented on Jul 28, 2025 • 0 new comments

• global sort: switch to new merge

  #49653 commented on Jul 28, 2025 • 0 new comments

• statistics: BCE for the boostrap

  #49792 commented on Jul 28, 2025 • 0 new comments

• table/tables: fix bug that cached table cannot hit cache when used in explicit transaction with "begin"

  #49862 commented on Jul 28, 2025 • 0 new comments

• design: add index usage rfc

  #49918 commented on Jul 28, 2025 • 0 new comments

• domain: skip refreshMDLCheckTableInfo if reload fails

  #49928 commented on Jul 28, 2025 • 0 new comments

• binding: remove unnecessay calculation for sql digest

  #50083 commented on Jul 28, 2025 • 0 new comments

• plan,executor: predicate push down for 'show stats_meta' statement

  #50094 commented on Jul 28, 2025 • 0 new comments

• planner: [WIP]

  #50209 commented on Jul 28, 2025 • 0 new comments

• *: support GRPC's shard buffer pool to reduce the memory allocation

  #50709 commented on Jul 25, 2025 • 0 new comments

• planner: try fix scalar agg doesn't fully pushed down to tiFlash

  #50749 commented on Jul 27, 2025 • 0 new comments

• lightning: fix duplicate extend columns when resume from checkpoint

  #50787 commented on Jul 28, 2025 • 0 new comments

• statistics: remove a old logic related with statistics

  #50798 commented on Jul 23, 2025 • 0 new comments

• [WIP]speed up columns query

  #50847 commented on Jul 28, 2025 • 0 new comments

• execution: add default value logic for scalar final agg in mock mpp executor

  #50982 commented on Jul 28, 2025 • 0 new comments

• util/ranger: ignore error from negative int range on unsigned columns

  #34761 commented on Jul 28, 2025 • 0 new comments

• planner: when transform the parameter in order by positionExpr considering origin projection length

  #34871 commented on Jul 28, 2025 • 0 new comments

• executor: support to use outer table in `(outer) (anti) semi join`

  #35041 commented on Jul 28, 2025 • 0 new comments

• *: report a warning when the name of primary key is specified

  #35355 commented on Jul 28, 2025 • 0 new comments

• expression: make `inet_aton` behavior same with mysql in different DDL

  #35712 commented on Jul 28, 2025 • 0 new comments

• types: save some cpu cycles in DatumsToString

  #36050 commented on Jul 25, 2025 • 0 new comments

• executor: use `pdqsort` to sort `lookupTableTask.rows`

  #36066 commented on Jul 28, 2025 • 0 new comments

• *: improve makefile to adapt bazel in the dev environment

  #36958 commented on Jul 28, 2025 • 0 new comments

• planner: make CheckPreparePriv asynchronous

  #37144 commented on Jul 28, 2025 • 0 new comments

• server: fix the trace of `FlushClientConn`

  #37395 commented on Jul 28, 2025 • 0 new comments

• backup: update check log range error msg

  #38639 commented on Jul 28, 2025 • 0 new comments

• planner: fold constant for IFNULL in preprocessor

  #39128 commented on Jul 28, 2025 • 0 new comments

• ddl: make test case TestParallelDDL stable

  #39306 commented on Jul 28, 2025 • 0 new comments

• *: add resource manage to schedule pool by static

  #39647 commented on Jul 28, 2025 • 0 new comments

• [DNM] test ci

  #39708 commented on Jul 28, 2025 • 0 new comments

• br: Fix the query of variable tidb_cluster

  #39954 commented on Jul 26, 2025 • 0 new comments

• lightning: make pre-load mechanism for parquet adjustable

  #41055 commented on Jul 25, 2025 • 0 new comments

• *: improve memory use for chunk

  #42059 commented on Jul 28, 2025 • 0 new comments

• expression: fix the bug of Rpad function

  #43411 commented on Jul 28, 2025 • 0 new comments

• ddl: support checksum for ingest mode

  #43428 commented on Jul 28, 2025 • 0 new comments

• ddl: fix the bug of duplicate index

  #43478 commented on Jul 28, 2025 • 0 new comments

• ddl: prohibit modify generated column with index

  #43655 commented on Jul 28, 2025 • 0 new comments

• txn: remove useless code for pessimistic lock cache

  #43803 commented on Jul 28, 2025 • 0 new comments

• Investigate issue #43793

  #43813 commented on Jul 28, 2025 • 0 new comments

• expression: rewrite Accept() function for BinaryOperationExpr the non-recursive way

  #44108 commented on Jul 28, 2025 • 0 new comments

• sql: supply test for check constraint

  #45046 commented on Jul 28, 2025 • 0 new comments

• *: put test log into temp dir

  #45546 commented on Jul 28, 2025 • 0 new comments

• [DNM]etcd: make etcd high available

  #45735 commented on Jul 28, 2025 • 0 new comments

• executor: Updated ADMIN SHOW DDL JOBS to show same table for EXCHANGE PARTITION

  #45918 commented on Jul 28, 2025 • 0 new comments