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cannot simplify the predicate

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

Status: Open.

#64216 In pingcap/tidb;

· hawkingrei opened on Oct 31, 2025

server id lease not released when tidb exit

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.

#64191 In pingcap/tidb;

· AmoebaProtozoa opened on Oct 30, 2025

Correctly propagate error

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.

#64183 In pingcap/tidb;

· jfrabaute-arista opened on Oct 29, 2025

Non-clustered partitioned table after EXCHANGE PARTITION can get DUPLICATE KEY on _tidb_rowid

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.

#64176 In pingcap/tidb;

· mjonss opened on Oct 29, 2025

The update of TiFlash replica status for all tables in the cluster may be blocked by a DML statement on one of the tables.

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/tiflash

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

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

Status: Open.

#64173 In pingcap/tidb;

· JaySon-Huang opened on Oct 29, 2025

SEMv2 failed to limit many privileges

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.

#64159 In pingcap/tidb;

· YangKeao opened on Oct 28, 2025

assertion <code>HashCode should not change after ReHashCode is called</code>

component/test

severity/moderate

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#64156 In pingcap/tidb;

· hawkingrei opened on Oct 28, 2025

<code>sys.schema_unused_indexes</code> doesn't work well

may-affects-6.5

may-affects-7.1

may-affects-7.5

may-affects-8.1

may-affects-8.5

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.

#64141 In pingcap/tidb;

· YangKeao opened on Oct 27, 2025

statistics: global stats underestimates cardinality to a small value when "hole" exists

component/statistics

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

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#64117 In pingcap/tidb;

· L-maple opened on Oct 24, 2025

create view under a schema can not be selected normally in another schema

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.

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

Status: Open.

#64116 In pingcap/tidb;

· michaelliuyuan opened on Oct 24, 2025

planner, cardinality: IndexRangeScan estimation issue on the IndexJoin probe side

epic/cost-modelthe optimizer cost modelthe optimizer cost model

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#64113 In pingcap/tidb;

· elsa0520 opened on Oct 23, 2025

Unstable test TestAutoDetectFileType

component/DXFDistributed eXecute Framework of tidbDistributed eXecute Framework of tidb

component/test

may-affects-6.5

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.

#64106 In pingcap/tidb;

· zimulala opened on Oct 23, 2025