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*: fix a timezone data race which may cause wrong row data (#41146) #41182

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This is an automated cherry-pick of #41146

Signed-off-by: wjhuang2016 huangwenjun1997@gmail.com

What problem does this PR solve?

Issue Number: close #40710

Problem Summary:
As mentioned in #40710, changing the timezone in the statement context may cause data race in getColDefaultValue().

What is changed and how it works?

Add an explicit timezone argument instead of changing the timezone in the statement context.

Check List

Tests

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

Please refer to Release Notes Language Style Guide to write a quality release note.

fix a timezone data race which may cause wrong row data

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
@ti-chi-bot ti-chi-bot requested a review from a team as a code owner February 8, 2023 04:22
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ti-chi-bot commented Feb 8, 2023

[REVIEW NOTIFICATION]

This pull request has been approved by:

  • bb7133
  • tiancaiamao

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@ti-chi-bot ti-chi-bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. do-not-merge/cherry-pick-not-approved labels Feb 8, 2023
@ti-chi-bot ti-chi-bot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. type/cherry-pick-for-release-6.1 This PR is cherry-picked to release-6.1 from a source PR. labels Feb 8, 2023
@ti-chi-bot ti-chi-bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Feb 8, 2023
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@wjhuang2016
Please resolve the conflicts in release v6.1 branch.

@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Mar 29, 2023
Signed-off-by: wjhuang2016 <huangwenjun1997@gmail.com>
@ti-chi-bot ti-chi-bot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Mar 29, 2023
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/retest

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/retest

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/retest

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Mar 30, 2023
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LGTM

@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 Mar 30, 2023
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bb7133 commented Mar 30, 2023

/merge

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

Commit hash: 866cacc

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Mar 30, 2023
@ti-chi-bot ti-chi-bot merged commit c0ec81b into pingcap:release-6.1 Mar 30, 2023
@VelocityLight VelocityLight added do-not-merge/cherry-pick-not-approved cherry-pick-approved Cherry pick PR approved by release team. and removed cherry-pick-approved Cherry pick PR approved by release team. do-not-merge/cherry-pick-not-approved labels Apr 12, 2023
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6 participants