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Use column statistics for index estimation instead of pseudo

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

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

Status: Open.

#62783 In pingcap/tidb;

· ichen032 opened on Aug 1, 2025

cannot startup the tidb on the macos

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

Status: Open.

#62782 In pingcap/tidb;

· hawkingrei opened on Aug 1, 2025

gc_worker keeps reporting "try to commit with invalid txnStartTS: 18446744073709551615" in next-gen deployment

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

Status: Open.

#62775 In pingcap/tidb;

· MyonKeminta opened on Aug 1, 2025

Integer was cast to wrong char value in prepared statement.

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

severity/moderate

sig/plannerSIG: PlannerSIG: Planner

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

Status: Open.

#62772 In pingcap/tidb;

· DerZc opened on Aug 1, 2025

auto_increment of dataset benchmarksql not restored on arm64

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

Status: Open.

#62770 In pingcap/tidb;

· owlsome2501 opened on Aug 1, 2025

IMPORT INTO meet <code>MultipartUpload: upload multipart failed</code> error

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

Status: Open.

#62768 In pingcap/tidb;

· fzzf678 opened on Aug 1, 2025

same predicate estimation of two approximate stats is quite different

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

component/statistics

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.

#62766 In pingcap/tidb;

· AilinKid opened on Aug 1, 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.

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.

#62763 In pingcap/tidb;

· solotzg opened on Aug 1, 2025

Modify the DML/DDL to only write index when the condition meets.

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

Status: Open.

#62761 In pingcap/tidb;

· YangKeao opened on Aug 1, 2025

Implement the planner logic correctly to not use this index when condition doesn't meet.

Status: Open.

#62760 In pingcap/tidb;

· YangKeao opened on Aug 1, 2025

Implement this feature in parser and DDL. Do proper validation and store/load the metadata.

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

Status: Open.

#62758 In pingcap/tidb;

· YangKeao opened on Aug 1, 2025

planner: improve GROUP BY cardinality estimation potentially using expoBackoff

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

Status: Open.

#62756 In pingcap/tidb;

· Tristan1900 opened on Jul 31, 2025