Search results

planner, executor: extend ordered-input optimization to general window functions

component/test

sig/plannerSIG: PlannerSIG: Planner

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#67989 In pingcap/tidb;

· hawkingrei opened on Apr 23, 2026

support rewrite SQL to remove aggregation for distinct when there is a UNION in SQL

plan-rewrite

report/customerCustomers have encountered this bug.Customers have encountered this bug.

sig/plannerSIG: PlannerSIG: Planner

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#67986 In pingcap/tidb;

· guo-shaoge opened on Apr 23, 2026

TopN is incorrectly pushed to IndexLookUp probe side for ORDER BY virtual generated column on expression index

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#67981 In pingcap/tidb;

· lilinghai opened on Apr 23, 2026

Flaky test: TestAddIndexTriggerAutoAnalyze in pkg/statistics/handle/autoanalyze/priorityqueue

component/test

flaky-test

severity/critical

Status: Open.

Task

#67980 In pingcap/tidb;

· ti-chi-bot opened on Apr 23, 2026

Improve storage efficiency of types.Datum

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#67976 In pingcap/tidb;

· mjonss opened on Apr 22, 2026

executor: sysSessionPool tx_isolation leak in executeAlterUser and executeSetPwd

contributionThis PR is from a community contributor.This PR is from a community contributor.

Status: Open.

#67975 In pingcap/tidb;

· moonsphere opened on Apr 22, 2026

br restore failed with panic when pd rolling restart

may-affects-7.1

may-affects-7.5

may-affects-8.1

may-affects-8.5

severity/major

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

Status: Open.

#67970 In pingcap/tidb;

· Lily2025 opened on Apr 22, 2026

planner: col = NULL under UnionScan regresses to table full scan

affects-9.0This bug affects the 9.0.x versions.This bug affects the 9.0.x versions.

component/expression

report/customerCustomers have encountered this bug.Customers have encountered this bug.

severity/critical

sig/plannerSIG: PlannerSIG: Planner

type/bugThe issue is confirmed as a bug.The issue is confirmed as a bug.

type/regression

Status: Open.

#67967 In pingcap/tidb;

· AilinKid opened on Apr 22, 2026

br: support snapshot backup repository layout

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#67964 In pingcap/tidb;

· YuJuncen opened on Apr 22, 2026

build: add BEP and CI metadata support for bazel coverage

component/test

type/enhancementThe issue or PR belongs to an enhancement.The issue or PR belongs to an enhancement.

Status: Open.

#67956 In pingcap/tidb;

· hawkingrei opened on Apr 22, 2026

Flaky test: TestHandleExecutableTasks in pkg/dxf/framework/taskexecutor

component/test

flaky-test

severity/critical

Status: Open.

Task

#67946 In pingcap/tidb;

· ti-chi-bot opened on Apr 22, 2026

Allow specifying a limit constraint for json column types

contributionThis PR is from a community contributor.This PR is from a community contributor.

first-time-contributorIndicates that the PR was contributed by an external member and is a first-time contributor.Indicates that the PR was contributed by an external member and is a first-time contributor.

type/feature-requestCategorizes issue or PR as related to a new feature.Categorizes issue or PR as related to a new feature.

Status: Open.

#67944 In pingcap/tidb;

· loligans opened on Apr 21, 2026