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read-only user variable is corrupted after SELECT/EXPLAIN when getvar() stays in root plan

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

Status: Open.

#67904 In pingcap/tidb;

· dbsid opened on Apr 20, 2026

Flaky test: TestCheckRequirements in pkg/executor/importer

component/test

flaky-test

severity/critical

Status: Open.

Task

#67902 In pingcap/tidb;

· ti-chi-bot opened on Apr 20, 2026

Flaky test: TestStatsStoreAndLoad in pkg/statistics/handle/handletest/statstest

component/test

flaky-test

severity/critical

Status: Open.

Task

#67901 In pingcap/tidb;

· ti-chi-bot opened on Apr 20, 2026

planner: CAST to BINARY results in index full scan

affects-8.5This bug affects the 8.5.x(LTS) versions.This bug affects the 8.5.x(LTS) versions.

severity/moderate

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#67899 In pingcap/tidb;

· terry1purcell opened on Apr 19, 2026

ddl: support CREATE TABLE ... LIKE ... EXCLUDE PARTITIONS to create non-partitioned copy

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

Status: Open.

#67897 In pingcap/tidb;

· premal opened on Apr 19, 2026

lightning: column-constants config for injecting literal values into missing/ignored columns

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

Status: Open.

#67896 In pingcap/tidb;

· premal opened on Apr 19, 2026

lightning: registerTaskToPD causes context deadline exceeded under high parallelism

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

Status: Open.

#67895 In pingcap/tidb;

· premal opened on Apr 19, 2026

lightning: add target-partition config to ingest directly into a named partition

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

Status: Open.

#67894 In pingcap/tidb;

· premal opened on Apr 19, 2026

Wrong Result: IN Predicate Mis-evaluates Constant 0 from CAST(... AS DECIMAL) in LEFT JOIN ... ON FALSE Scenario

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

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

Status: Open.

#67879 In pingcap/tidb;

· imchifan opened on Apr 18, 2026

Wrong Result: CAST(66 AND FALSE AS DECIMAL) IN (...) Returns Empty Set with RIGHT JOIN ... ON FALSE

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

Status: Open.

#67878 In pingcap/tidb;

· imchifan opened on Apr 18, 2026

Upgrade remaining dependencies to completely get rid of aws-sdk-go

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

Status: Open.

#67863 In pingcap/tidb;

· kennytm opened on Apr 17, 2026

planner: prepared statement unexpectedly reuses cached plan for decimal range query

AI-Testing

fuzz/shiro

severity/moderate

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#67861 In pingcap/tidb;

· hawkingrei opened on Apr 17, 2026