checkpoint-dump of lightning dump to the wrong file for tables checkpoint type/bug The issue is confirmed as a bug. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/lightning This issue is related to Lightning of TiDB.

#57402 opened Nov 15, 2024 by D3Hunter

1

Improve observability of fast reorg ADD INDEX progress type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/ddl This issue is related to DDL of TiDB.

#56986 opened Oct 30, 2024 by lance6716

4

Dumpling will stuck while it's expect to fallback to LOCK TABLES when FTWRL blocking for a long time type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#56838 opened Oct 25, 2024 by lance6716

lightning should cache the result of `columnAPI.Cols()` to improve performance type/bug The issue is confirmed as a bug. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. type/regression severity/moderate component/lightning This issue is related to Lightning of TiDB. affects-6.5 This bug affects the 6.5.x(LTS) versions.

#56705 opened Oct 17, 2024 by lance6716

9

Able to set AUTO_INCREMENT to a value larger than maximum value of int type/bug The issue is confirmed as a bug. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. severity/moderate component/ddl This issue is related to DDL of TiDB.

#56034 opened Sep 12, 2024 by fubinzh

6

for the tests need `--with-real-tikv` command line arguments, use code to turn it on type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#55529 opened Aug 20, 2024 by lance6716

5

Rearrange logical optimizing rule type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner

#55231 opened Aug 6, 2024 by AilinKid

10

"memory exceeds quota" logs can print detailed sub-trackers type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#52478 opened Apr 10, 2024 by ekexium

5

Mismatch unit of configuration item when set and then get config via SQL type/bug The issue is confirmed as a bug. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/sql-infra SIG: SQL Infra severity/moderate affects-8.1 This bug affects the 8.1.x(LTS) versions.

#51740 opened Mar 13, 2024 by ideascf

1

Track memory usage in pessimistic locking phase type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#51217 opened Feb 21, 2024 by ekexium

5

Improve the error report of placement rule type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#47253 opened Sep 25, 2023 by nolouch

3

Percentile Function in Tidb type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/execution SIG execution type/feature-request Categorizes issue or PR as related to a new feature. compatibility-oracle

#46985 opened Sep 14, 2023 by adishwarsonapally1

10

Splitting Test Directories to Increase Test Concurrency and Optimize Cache type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#44940 opened Jun 26, 2023 by hawkingrei

Proposal to use atomic.Pointer[T] instead of atomic.Value type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#44736 opened Jun 16, 2023 by hawkingrei

6

Panic triggered at expression.(*builtinRpadUTF8Sig).evalString (expression/builtin_string.go:2278) type/bug The issue is confirmed as a bug. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/execution SIG execution severity/minor affects-5.4 This bug affects the 5.4.x(LTS) versions. may-affects-4.0 This bug maybe affects 4.0.x versions. may-affects-5.1 This bug maybe affects 5.1.x versions. may-affects-5.2 This bug maybe affects 5.2.x versions. may-affects-5.3 This bug maybe affects 5.3.x versions. may-affects-5.0 This bug maybe affects 5.0.x versions. affects-6.1 This bug affects the 6.1.x(LTS) versions. affects-6.5 This bug affects the 6.5.x(LTS) versions. affects-7.1 This bug affects the 7.1.x(LTS) versions.

#42770 opened Apr 3, 2023 by JZuming

2

[Enhancement] Show temp table info in `infomation_schema.tables` type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#41686 opened Feb 23, 2023 by bb7133

3

planner: predicates cannot be pushed into sub-queries for HashJoin type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner feature/reviewing This feature request is reviewing by product managers

#36551 opened Jul 26, 2022 by qw4990

7

remove the XXXSorter to improve sort performance type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#36058 opened Jul 8, 2022 by hawkingrei

5

UT get back runTestLoadDataForSlowLog type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#32034 opened Jan 27, 2022 by tiancaiamao

1

Tidb allow updates to a table when you are also using that same table in an inner select as your update criteria. type/bug The issue is confirmed as a bug. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner severity/minor affects-5.0 This bug affects 5.0.x versions. affects-5.1 This bug affects 5.1.x versions. affects-5.2 This bug affects 5.2.x versions. affects-5.3 This bug affects 5.3.x versions. affects-5.4 This bug affects the 5.4.x(LTS) versions. affects-6.0

#31363 opened Jan 5, 2022 by ramanich1

3

Enable golangci-lint `sqlclosecheck` type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#28863 opened Oct 15, 2021 by tangenta

3

Can't use pt-kill to kill TiDB connections type/bug The issue is confirmed as a bug. type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/parser sig/sql-infra SIG: SQL Infra severity/moderate

#27932 opened Sep 9, 2021 by time-and-fate

8

Show the spill to disk cost for Sort operator type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/execution SIG execution

#25850 opened Jun 30, 2021 by winoros

2

Add new agg function like `SKEW` or `SKEWNESS` to show the skewness of the expression/column. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. type/feature-request Categorizes issue or PR as related to a new feature. component/executor

#24721 opened May 18, 2021 by winoros

2

planner: support explain and explain analyze statements for prepared queries type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner type/feature-request Categorizes issue or PR as related to a new feature.

#23725 opened Mar 31, 2021 by qw4990

5

Provide a session variable to query the last transaction scope type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/transaction SIG:Transaction

#20775 opened Nov 2, 2020 by djshow832

1

display row width in results of explain statements help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner type/feature-request Categorizes issue or PR as related to a new feature. feature/discussing This feature request is discussing among product managers

#20676 opened Oct 27, 2020 by qw4990

6

`host` recognition problem in `create user` statement type/bug The issue is confirmed as a bug. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/privilege sig/sql-infra SIG: SQL Infra severity/moderate

#20592 opened Oct 22, 2020 by glkappe

4

Change EXPLAIN operatorInfo to use ; separator type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner

#20520 opened Oct 19, 2020 by ghost

1

Introduce text file analysis tool that detects non-inclusive language in TiDB repo type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#20439 opened Oct 14, 2020 by ngaut

7

show `CARTESIAN JOIN` inappropriately in some cases type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner

#20261 opened Sep 28, 2020 by qw4990

1

Two Tests of package `expression` failed on Windows Machine with Goland good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/test sig/execution SIG execution challenge-program

#20018 opened Sep 15, 2020 by zhangysh1995

2

tidb-server command line options missing from documentation good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/sql-infra SIG: SQL Infra

#19732 opened Sep 2, 2020 by kolbe

4

Table of different sources sync to tidb, operation is not expected type/enhancement The issue or PR belongs to an enhancement. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/execution SIG execution challenge-program

#19632 opened Sep 1, 2020 by dong369

2

select var_pop(distinct xxx) could successfully execute in TiDB but failed in MySQL type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/execution SIG execution challenge-program

#19499 opened Aug 26, 2020 by Win-Man

9

process cop request by tikv instance instead of region good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/execution SIG execution type/feature-request Categorizes issue or PR as related to a new feature. feature/accepted This feature request is accepted by product managers component/executor challenge-program

#19381 opened Aug 23, 2020 by zz-jason

2

set: shouldn't support 'select ... into outfile ... union select ... ' and 'select ... union select SQL_BUFFER_RESULT ... ' statements type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/parser sig/sql-infra SIG: SQL Infra severity/minor challenge-program

#19097 opened Aug 10, 2020 by ChenPeng2013

16

Standardize error codes and messages for error class `ClassExpression` type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#18481 opened Jul 10, 2020 by imtbkcat

1

Ambiguous warning when multiply result out of range type/bug The issue is confirmed as a bug. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/expression sig/execution SIG execution severity/minor challenge-program

#17993 opened Jun 12, 2020 by zhangysh1995

10

Add SQL diagnosis rule: threshold check for tikv_append_log_duration type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#17941 opened Jun 11, 2020 by crazycs520

Add SQL diagnosis rule: SQL plan changed and execution is slowed down notably type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#17928 opened Jun 10, 2020 by crazycs520

Add SQL diagnosis rule: check the storage.block-cache.capacity value type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#17925 opened Jun 10, 2020 by crazycs520

Different error code from MySQL when inserting incorrect bigint value type/bug The issue is confirmed as a bug. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/execution SIG execution severity/minor challenge-program

#17832 opened Jun 7, 2020 by zhangysh1995

16

change the release version to `nightly` type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/build

#16577 opened Apr 18, 2020 by zz-jason

4

propose to use verbs for operator name type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner

#14575 opened Jan 26, 2020 by zz-jason

1

Call For Participation: Improve the JSON functionality type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/json

#14486 opened Jan 15, 2020 by qw4990

5

Take less memory if their fields were sorted type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#13925 opened Dec 5, 2019 by rleungx

1

Call For Participation: add rules for cascades optimizer type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner

#13709 opened Nov 24, 2019 by winoros

30

DDL RowsAffected is not correct? help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/sql-infra SIG: SQL Infra challenge-program

#12705 opened Oct 15, 2019 by DQinYuan

11

Different results of time() type/bug The issue is confirmed as a bug. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/expression sig/execution SIG execution severity/moderate priority/P3 The issue has P3 priority. Assigned to backlog. challenge-program

#11866 opened Aug 26, 2019 by wjhuang2016

8

Use redundantbranch to find useless branch control type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines.

#11854 opened Aug 24, 2019 by ngaut

1

Incompatible with MySQL 8.0 about decimal truncate type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. priority/P4 Minor issue, awaiting more evidence before prioritizing

#10446 opened May 14, 2019 by lonng

4

Message about Charset&&Collation in `show create table` is not same with MYSQL help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/sql-infra SIG: SQL Infra

#9307 opened Feb 14, 2019 by xiekeyi98

1

the optimizer should treat predicate 'like' the same way as predicate '=' when it is an exact match type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/planner SIG: Planner

#8962 opened Jan 7, 2019 by tshqin

4

add more modes for AES help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/expression

#7490 opened Aug 26, 2018 by mccxj

1

need to change TIME_COP_PROCESS to TIME_COP_WAIT type/enhancement The issue or PR belongs to an enhancement. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. sig/execution SIG execution

#7044 opened Jul 12, 2018 by zz-jason

7

Compatible problem on `asin` with mysql help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. type/compatibility good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/expression priority/P4 Minor issue, awaiting more evidence before prioritizing

#6832 opened Jun 13, 2018 by winoros

2

Add uptime metric to TIDB status API help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. type/feature-request Categorizes issue or PR as related to a new feature. feature/accepted This feature request is accepted by product managers

#5979 opened Mar 8, 2018 by jomenxiao

5

Some built-in funcs that are not consistent with MySQL when meet specific parameter types help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/expression sig/execution SIG execution

#5966 opened Mar 7, 2018 by XuHuaiyu

12

TiDB's warning logs for "Data Truncated" Error are not friendly. type/bug The issue is confirmed as a bug. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/expression severity/minor

#5777 opened Feb 2, 2018 by mz1999

5

ERROR 1305 (42000): FUNCTION UUID_SHORT does not exist help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. component/expression

#4620 opened Sep 25, 2017 by fengshenyuan

12