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*: fix a timezone data race which may cause wrong row data (#41146) #41183

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This is an automated cherry-pick of #41146

Signed-off-by: wjhuang2016 [email protected]

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

@ti-chi-bot ti-chi-bot requested a review from a team as a code owner February 8, 2023 04:23
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ti-chi-bot commented Feb 8, 2023

[REVIEW NOTIFICATION]

This pull request has been approved by:

  • bb7133
  • tiancaiamao

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 do-not-merge/cherry-pick-not-approved release-note Denotes a PR that will be considered when it comes time to generate release notes. 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-6.5 This PR is cherry-picked to release-6.5 from a source PR. labels Feb 8, 2023
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/hold high priority for trunk branch

@ti-chi-bot ti-chi-bot added the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Feb 10, 2023
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/unhold

@ti-chi-bot ti-chi-bot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Feb 10, 2023
@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Feb 13, 2023
@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Feb 13, 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 Feb 13, 2023
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/merge

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

Commit hash: 06e8615

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Feb 13, 2023
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/retest

@ti-chi-bot ti-chi-bot merged commit e826aa7 into pingcap:release-6.5 Feb 13, 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 Mar 13, 2023
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6 participants