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planner: set an lower-bound for NDV used in out-of-range estimation for EQ conditions when the Histogram is empty | tidb-test=pr/2623 (#64139)

cherry-pick-approvedCherry pick PR approved by release team.Cherry pick PR approved by release team.

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sig/plannerSIG: PlannerSIG: Planner

size/XXLDenotes a PR that changes 1000+ lines, ignoring generated files.Denotes a PR that changes 1000+ lines, ignoring generated files.

type/cherry-pick-for-release-8.5This PR is cherry-picked to release-8.5 from a source PR.This PR is cherry-picked to release-8.5 from a source PR.

Status: Closed (abandoned).

pingcap/tidbnumber 64220

#64220 In pingcap/tidb;

· by ti-chi-bot was closed on Oct 31, 2025

util/collate: fix the issue that '�'(\uFFFD) was treated as invalid sequence (#64165)

approved

cherry-pick-approvedCherry pick PR approved by release team.Cherry pick PR approved by release team.

lgtm

release-noteDenotes a PR that will be considered when it comes time to generate release notes.Denotes a PR that will be considered when it comes time to generate release notes.

size/XLDenotes a PR that changes 500-999 lines, ignoring generated files.Denotes a PR that changes 500-999 lines, ignoring generated files.

type/cherry-pick-for-release-8.5This PR is cherry-picked to release-8.5 from a source PR.This PR is cherry-picked to release-8.5 from a source PR.

Status: Merged (completed).

pingcap/tidbnumber 64213

#64213 In pingcap/tidb;

· by ti-chi-bot was closed on Oct 31, 2025

util/collate: fix the issue that '�'(\uFFFD) was treated as invalid sequence (#64165)

do-not-merge/cherry-pick-not-approved

do-not-merge/holdIndicates that a PR should not merge because someone has issued a /hold command.Indicates that a PR should not merge because someone has issued a /hold command.

release-noteDenotes a PR that will be considered when it comes time to generate release notes.Denotes a PR that will be considered when it comes time to generate release notes.

size/XLDenotes a PR that changes 500-999 lines, ignoring generated files.Denotes a PR that changes 500-999 lines, ignoring generated files.

type/cherry-pick-for-release-8.1This PR is cherry-picked to release-8.1 from a source PR.This PR is cherry-picked to release-8.1 from a source PR.

Status: Open (in progress).

pingcap/tidbnumber 64212

#64212 In pingcap/tidb;

· ti-chi-bot opened on Oct 31, 2025

util/collate: fix the issue that '�'(\uFFFD) was treated as invalid sequence (#64165)

do-not-merge/cherry-pick-not-approved

do-not-merge/holdIndicates that a PR should not merge because someone has issued a /hold command.Indicates that a PR should not merge because someone has issued a /hold command.

release-noteDenotes a PR that will be considered when it comes time to generate release notes.Denotes a PR that will be considered when it comes time to generate release notes.

size/XLDenotes a PR that changes 500-999 lines, ignoring generated files.Denotes a PR that changes 500-999 lines, ignoring generated files.

type/cherry-pick-for-release-7.5This PR is cherry-picked to release-7.5 from a source PR.This PR is cherry-picked to release-7.5 from a source PR.

Status: Open (in progress).

pingcap/tidbnumber 64211

#64211 In pingcap/tidb;

· ti-chi-bot opened on Oct 31, 2025

OWNERS: Auto Sync OWNERS files from community membership

approved

lgtm

release-note-noneDenotes a PR that doesn't merit a release note.Denotes a PR that doesn't merit a release note.

size/XSDenotes a PR that changes 0-9 lines, ignoring generated files.Denotes a PR that changes 0-9 lines, ignoring generated files.

skip-issue-checkIndicates that a PR no need to check linked issue.Indicates that a PR no need to check linked issue.

Status: Merged (completed).

pingcap/tidbnumber 64209

#64209 In pingcap/tidb;

· by ti-chi-bot was closed on Oct 31, 2025

dxf/ddl: always enable DXF and fast reorg in nextgen (#64179)

approved

lgtm

release-note-noneDenotes a PR that doesn't merit a release note.Denotes a PR that doesn't merit a release note.

size/XLDenotes a PR that changes 500-999 lines, ignoring generated files.Denotes a PR that changes 500-999 lines, ignoring generated files.

type/cherry-pick-for-release-nextgen-20251011

Status: Merged (completed).

pingcap/tidbnumber 64208

#64208 In pingcap/tidb;

· by ti-chi-bot was closed on Oct 31, 2025

ddl: cancel the job context before rolling back (#64130)

do-not-merge/cherry-pick-not-approved

do-not-merge/holdIndicates that a PR should not merge because someone has issued a /hold command.Indicates that a PR should not merge because someone has issued a /hold command.

release-note-noneDenotes a PR that doesn't merit a release note.Denotes a PR that doesn't merit a release note.

size/LDenotes a PR that changes 100-499 lines, ignoring generated files.Denotes a PR that changes 100-499 lines, ignoring generated files.

type/cherry-pick-for-release-8.5This PR is cherry-picked to release-8.5 from a source PR.This PR is cherry-picked to release-8.5 from a source PR.

Status: Open (in progress).

pingcap/tidbnumber 64203

#64203 In pingcap/tidb;

· ti-chi-bot opened on Oct 31, 2025

ddl: cancel the job context before rolling back (#64130)

do-not-merge/holdIndicates that a PR should not merge because someone has issued a /hold command.Indicates that a PR should not merge because someone has issued a /hold command.

release-note-noneDenotes a PR that doesn't merit a release note.Denotes a PR that doesn't merit a release note.

size/XLDenotes a PR that changes 500-999 lines, ignoring generated files.Denotes a PR that changes 500-999 lines, ignoring generated files.

type/cherry-pick-for-release-nextgen-20251011

Status: Open (in progress).

pingcap/tidbnumber 64202

#64202 In pingcap/tidb;

· ti-chi-bot opened on Oct 31, 2025

modify column: fix insert failure during modify column with index only reorg (#64188)

approved

cherry-pick-approvedCherry pick PR approved by release team.Cherry pick PR approved by release team.

lgtm

release-note-noneDenotes a PR that doesn't merit a release note.Denotes a PR that doesn't merit a release note.

size/LDenotes a PR that changes 100-499 lines, ignoring generated files.Denotes a PR that changes 100-499 lines, ignoring generated files.

type/cherry-pick-for-release-8.5This PR is cherry-picked to release-8.5 from a source PR.This PR is cherry-picked to release-8.5 from a source PR.

Status: Merged (completed).

pingcap/tidbnumber 64197

#64197 In pingcap/tidb;

· by ti-chi-bot was closed on Oct 30, 2025

ddl: show the failed analyze-status in admin show (#64167)

cherry-pick-approvedCherry pick PR approved by release team.Cherry pick PR approved by release team.

do-not-merge/holdIndicates that a PR should not merge because someone has issued a /hold command.Indicates that a PR should not merge because someone has issued a /hold command.

release-note-noneDenotes a PR that doesn't merit a release note.Denotes a PR that doesn't merit a release note.

size/XLDenotes a PR that changes 500-999 lines, ignoring generated files.Denotes a PR that changes 500-999 lines, ignoring generated files.

type/cherry-pick-for-release-8.5This PR is cherry-picked to release-8.5 from a source PR.This PR is cherry-picked to release-8.5 from a source PR.

Status: Closed (abandoned).

pingcap/tidbnumber 64187

#64187 In pingcap/tidb;

· by ti-chi-bot was closed on Oct 30, 2025

importinto: fix some check and external-id not set after SEM v2 introduced (#64170)

approved

lgtm

release-note-noneDenotes a PR that doesn't merit a release note.Denotes a PR that doesn't merit a release note.

sig/plannerSIG: PlannerSIG: Planner

size/LDenotes a PR that changes 100-499 lines, ignoring generated files.Denotes a PR that changes 100-499 lines, ignoring generated files.

type/cherry-pick-for-release-nextgen-20251011

Status: Merged (completed).

pingcap/tidbnumber 64186

#64186 In pingcap/tidb;

· by ti-chi-bot was closed on Oct 30, 2025

session: fix rollback on killed txn may panic (#64001)

do-not-merge/cherry-pick-not-approved

release-note-noneDenotes a PR that doesn't merit a release note.Denotes a PR that doesn't merit a release note.

size/MDenotes a PR that changes 30-99 lines, ignoring generated files.Denotes a PR that changes 30-99 lines, ignoring generated files.

type/cherry-pick-for-release-8.5This PR is cherry-picked to release-8.5 from a source PR.This PR is cherry-picked to release-8.5 from a source PR.

Status: Open (in progress).

pingcap/tidbnumber 64185

#64185 In pingcap/tidb;

· ti-chi-bot opened on Oct 29, 2025