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<code>datetime(6)</code> column cannot have <code>default (current_date)</code>.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

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

compatibility-mysql8This is a compatibility issue with MySQL 8.0(but NOT 5.7)This is a compatibility issue with MySQL 8.0(but NOT 5.7)

compatibility-mysql80This is a compatibility issue with MySQL 8.0(but NOT 5.7)This is a compatibility issue with MySQL 8.0(but NOT 5.7)

compatibility-mysql84This is a compatibility issue with MySQL 8.4This is a compatibility issue with MySQL 8.4

component/ddlThis issue is related to DDL of TiDB.This issue is related to DDL of TiDB.

severity/minor

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

Status: Open.

#63823 In pingcap/tidb;

· kennytm opened on Sep 30, 2025

Nilpointer error when no schema to backup

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

component/brThis issue is related to BR of TiDB.This issue is related to BR of TiDB.

severity/moderate

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

Status: Open.

#63722 In pingcap/tidb;

· RidRisR opened on Sep 24, 2025

CREATE GLOBAL BINDING FROM HISTORY USING PLAN DIGEST fails on long queries

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

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

component/spm

severity/moderate

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

Status: Open.

#63671 In pingcap/tidb;

· mjonss opened on Sep 22, 2025

"Unlock of unlocked mutex" error happens in memory tracker

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

severity/major

sig/executionSIG executionSIG execution

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

Status: Open.

#63632 In pingcap/tidb;

· xzhangxian1008 opened on Sep 20, 2025

invalid index hint to choose a multi-value index don't throw any warnings

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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.

#63502 In pingcap/tidb;

· winoros opened on Sep 15, 2025

plugin: only <code>ComQuery</code> will print STARTING event for audit plugin

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

severity/moderate

sig/sql-infraSIG: SQL InfraSIG: SQL Infra

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

Status: Open.

#63490 In pingcap/tidb;

· YangKeao opened on Sep 12, 2025

When we scale in a tikv, the metrics will remain

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

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

component/metrics

severity/major

sig/transactionSIG:TransactionSIG:Transaction

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

Status: Open.

#63245 In pingcap/tidb;

· Defined2014 opened on Aug 28, 2025

Some DDL related metrics are not correctly processed

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

component/ddlThis issue is related to DDL of TiDB.This issue is related to DDL of TiDB.

component/metrics

severity/major

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

Status: Open.

#63209 In pingcap/tidb;

· Defined2014 opened on Aug 26, 2025

LIKE clause with custom ESCAPE character fails in INFORMATION_SCHEMA queries

affects-5.4This bug affects the 5.4.x(LTS) versions.This bug affects the 5.4.x(LTS) versions.

affects-6.1This bug affects the 6.1.x(LTS) versions.This bug affects the 6.1.x(LTS) versions.

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

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

component/ddlThis issue is related to DDL of TiDB.This issue is related to DDL of TiDB.

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.

severity/moderate

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

Status: Open.

#63170 In pingcap/tidb;

· sdevshatwar opened on Aug 24, 2025

copr-cache mem leak

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

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

impact/leak

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

severity/major

sig/executionSIG executionSIG execution

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

Status: Open.

#62763 In pingcap/tidb;

· solotzg opened on Aug 1, 2025

The issue of behavioral differences in returned column information when calling TiDB via the C API using C++ code

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

compatibility-mysql8This is a compatibility issue with MySQL 8.0(but NOT 5.7)This is a compatibility issue with MySQL 8.0(but NOT 5.7)

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

severity/major

sig/sql-infraSIG: SQL InfraSIG: SQL Infra

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

Status: Open.

#62750 In pingcap/tidb;

· RenlySir opened on Jul 31, 2025

<code>LOAD DATA LOCAL INFILE</code> will cause race condition in buffered connection, and cause panic

affects-6.5This bug affects the 6.5.x(LTS) versions.This bug affects the 6.5.x(LTS) versions.

affects-7.1This bug affects the 7.1.x(LTS) versions.This bug affects the 7.1.x(LTS) versions.

affects-7.5This bug affects the 7.5.x(LTS) versions.This bug affects the 7.5.x(LTS) versions.

affects-8.1This bug affects the 8.1.x(LTS) versions.This bug affects the 8.1.x(LTS) versions.

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

severity/major

sig/sql-infraSIG: SQL InfraSIG: SQL Infra

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

Status: Open.

#62673 In pingcap/tidb;

· YangKeao opened on Jul 29, 2025