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executor: fix data race in IndexMergeReaderExec#31230

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ti-chi-bot merged 3 commits intopingcap:masterfrom
guo-shaoge:fix_index_merge_data_race
Dec 31, 2021
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executor: fix data race in IndexMergeReaderExec#31230
ti-chi-bot merged 3 commits intopingcap:masterfrom
guo-shaoge:fix_index_merge_data_race

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@guo-shaoge guo-shaoge commented Dec 31, 2021 •
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Signed-off-by: guo-shaoge shaoge1994@163.com

What problem does this PR solve?

Issue Number: close #31229

Problem Summary: The returned err is writen by two routines.

What is changed and how it works?

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

manual steps:

cd $working_dir/tidb/planner/core && go test . -run TestT -check.f testIntegrationSuite.TestIndexMergeWithCorrelatedColumns -race -count 100

Side effects

  • Performance regression: Consumes more CPU
  • Performance regression: Consumes more Memory
  • Breaking backward compatibility

Documentation

  • Affects user behaviors
  • Contains syntax changes
  • Contains variable changes
  • Contains experimental features
  • Changes MySQL compatibility

Release note

executor: fix data race in IndexMergeReaderExec

@guo-shaoge
executor: fix data race in IndexMergeReaderExec
1e50d36 
Signed-off-by: guo-shaoge <shaoge1994@163.com>
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ti-chi-bot commented Dec 31, 2021 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • hawkingrei
  • ichn-hu

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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@ti-chi-bot ti-chi-bot added release-note-none Denotes a PR that doesn't merit a release note. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed release-note-none Denotes a PR that doesn't merit a release note. labels Dec 31, 2021
hawkingrei
hawkingrei approved these changes Dec 31, 2021
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LGTM

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Dec 31, 2021
@ti-chi-bot ti-chi-bot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Dec 31, 2021
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ichn-hu commented Dec 31, 2021

/merge

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ti-chi-bot commented Dec 31, 2021

This pull request has been accepted and is ready to merge.

DetailsCommit hash: 1e50d36

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Dec 31, 2021
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sre-bot commented Dec 31, 2021 •
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Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/2f1a079e9b243d38675434053deb4dc2df3144d1

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guo-shaoge commented Dec 31, 2021

/run-unit-test

@guo-shaoge guo-shaoge added the needs-cherry-pick-release-5.4 Should cherry pick this PR to release-5.4 branch. label Dec 31, 2021
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guo-shaoge commented Dec 31, 2021

/run-mysql-test

@ti-chi-bot ti-chi-bot merged commit ceed548 into pingcap:master Dec 31, 2021
ti-srebot pushed a commit to ti-srebot/tidb that referenced this pull request Dec 31, 2021
@guo-shaoge @ti-srebot
cherry pick pingcap#31230 to release-5.4
2a21520 
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
@ti-srebot ti-srebot mentioned this pull request Dec 31, 2021
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ti-srebot commented Dec 31, 2021

cherry pick to release-5.4 in PR #31235

rebelice pushed a commit to TiInterstellar/tidb that referenced this pull request Jan 5, 2022
@crazycs520 @xhebox
@guo-shaoge @knull-cn @mengxin9014
hello world (#2)
5ab74c9 
* topsql: make topsql enable only be controlled by pub/sub sink (pingcap#31209)

* ddl: support batch create table  (pingcap#28763)

* executor: fix data race in IndexMergeReaderExec (pingcap#31230)

close pingcap#31229

* server: filter the EOF error for normal closed at handshake  (pingcap#31081)

close pingcap#31063

* expression: change date add function return type (pingcap#28133)

close pingcap#27573

* support create interval partition

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* support create interval partition (support int/timestamp partition key)

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* parser: support alter table partitions move engine statement

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* support ddl operation

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* support interval partition manager

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* support interval partition manager handle job framwork

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* support auto create interval partition when insert meet no partition suitable error

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* fix bug

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* fix cancel job and load old job then continue to do

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* make partition readonly work(not allow to insert/update/delete)

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* add begin,end time in tables

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* tiny fix for auto create interval partition in concurrent case

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* init

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* init

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* todo: remove flag

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* fix dumpling

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* remove data in aws s3 when drop/truncate table/partition

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* make hello world work

Signed-off-by: crazycs520 <crazycs520@gmail.com>

* remove debug info

Signed-off-by: crazycs520 <crazycs520@gmail.com>

Co-authored-by: xhe <xw897002528@gmail.com>
Co-authored-by: guo-shaoge <shaoge1994@163.com>
Co-authored-by: knull-cn <hu__haifeng@163.com>
Co-authored-by: Meng Xin <tregoldmeng@gmail.com>
ti-chi-bot pushed a commit that referenced this pull request Jan 6, 2022
@ti-srebot
executor: fix data race in IndexMergeReaderExec (#31230) (#31235)
e2ab8a5 
close #31229
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@hawkingrei hawkingrei hawkingrei approved these changes

@ichn-hu ichn-hu ichn-hu approved these changes

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needs-cherry-pick-release-5.4 Should cherry pick this PR to release-5.4 branch. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. status/can-merge Indicates a PR has been approved by a committer. status/LGT2 Indicates that a PR has LGTM 2.

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DataRace in IndexMergeReaderExec

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