pingcap

pingcap/tidb

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

27 good first / help-wanted issues · Go · last activity Jul 16, 2026

40.3K stars 6.2K forks 40.3K watchers Go Apache License 2.0

agent agent-context agent-memory agentic ai cloud-native database distributed-database distributed-transactions go hacktoberfest htap memory mysql mysql-compatibility scale serverless sql tidb

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27 Open Issues Need Help Last updated: Jul 16, 2026

Open Issues Need Help

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Dumpling will stuck while it's expect to fallback to LOCK TABLES when FTWRL blocking for a long time 3 days ago

type/enhancement good first issue

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Support for SPATIAL functions, data types and indexes 6 days ago

help wanted type/feature-request feature/accepted

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Rearrange logical optimizing rule 19 days ago

type/enhancement help wanted good first issue sig/planner

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

`COMMIT AND CHAIN` is not compatible with MySQL 20 days ago

type/bug good first issue sig/transaction severity/minor found-by-ai

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Non-transactional DML should not use the default scan concurrency 3 months ago

type/enhancement good first issue

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Call For Participation: Improve the JSON functionality 3 months ago

type/enhancement help wanted good first issue component/json

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

planner: warn if manual hints are overwritten by bindings 3 months ago

type/enhancement help wanted good first issue sig/planner report/customer

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Improve error message on SPATIAL types/indexes not supported 5 months ago

type/bug help wanted type/compatibility sig/sql-infra severity/minor

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Use of indexed generated columns to optimize execution plan 6 months ago

type/bug help wanted sig/execution severity/moderate

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

"The 'kill' or 'admin' operations do not accommodate user-defined variables. 7 months ago

type/bug help wanted sig/sql-infra severity/moderate

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Improve observability of fast reorg ADD INDEX progress 8 months ago

type/enhancement good first issue component/ddl

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

after restarting, DDL will be blocked for a while 8 months ago

type/bug good first issue severity/minor component/ddl

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

non-constant format string in call in the plan builder 8 months ago

AI Summary: The issue reports a build failure when running `go build` due to a Go compiler error. Specifically, it points to a 'non-constant format string' being used in a call to `errors.NewNoStackErrorf` within `planbuilder.go` at line 5824, preventing the project from compiling successfully.

Complexity: 1/5

type/bug good first issue sig/planner sig/sql-infra severity/moderate

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

planner: can't find column error for a nested join query 9 months ago

type/bug help wanted sig/planner severity/moderate

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

some explain test case should ignore plan-id in the result file 10 months ago

type/enhancement good first issue sig/planner

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Restrict and hide assertion related variables and constants to prevent misuse 10 months ago

type/enhancement help wanted sig/transaction

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Improve the error report of placement rule 10 months ago

type/enhancement good first issue

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

parser: compatibility enhancement for `SELECT ... INTO` syntax 10 months ago

type/enhancement help wanted component/parser sig/sql-infra

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

ERROR 1305 (42000): FUNCTION UUID_SHORT does not exist 11 months ago

help wanted good first issue component/expression

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Wrong function comment for `UpdateGlobal` 11 months ago

type/bug good first issue sig/sql-infra severity/minor

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

set session level `sql_require_primary_key` didn't check privilege 11 months ago

type/bug good first issue sig/sql-infra severity/moderate

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Prepare query with ORDER BY clause does not work with sql binding 11 months ago

type/bug help wanted good first issue sig/planner severity/moderate report/customer affects-8.5

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Cleaning up unused code by enabling golangci-lint unused 12 months ago

type/enhancement good first issue first-time-contributor

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

Extend 'Table has no partition for value ...' error message to include the value about 1 year ago

type/enhancement good first issue

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

`information_schema.columns` doesn't filter temporary columns about 1 year ago

type/bug good first issue severity/moderate affects-6.5 affects-7.1 component/ddl affects-7.5 affects-8.1 affects-8.5

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

executor: return the result immediately when combining LIMIT row_count with DISTINCT about 1 year ago

help wanted type/performance sig/execution type/feature-request feature/accepted challenge-program

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb

planner: predicates cannot be pushed into sub-queries for HashJoin about 1 year ago

type/enhancement help wanted good first issue sig/planner feature/reviewing

40.3K

TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

Go

#agent#agent-context#agent-memory#agentic#ai#cloud-native#database#distributed-database#distributed-transactions#go#hacktoberfest#htap#memory#mysql#mysql-compatibility#scale#serverless#sql#tidb