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pkg: support the TSO format for asof expression (#48371) #48379

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This is an automated cherry-pick of #48371

What problem does this PR solve?

Issue Number: close #48372

Problem Summary:

What is changed and how it works?

This PR provides the support to use TSO for asof expression of flashback sql command, stale read and resource calibration.

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No need to test
    • I checked and no code files have been changed.

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.

Besides the timestamp format, TiDB users can use the TSO directly for `flashback` sql command, stale read and resource calibration.

Signed-off-by: BornChanger <dawn_catcher@126.com>
@ti-chi-bot ti-chi-bot added ok-to-test Indicates a PR is ready to be tested. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. type/cherry-pick-for-release-6.5 This PR is cherry-picked to release-6.5 from a source PR. type/cherry-pick-for-release-7.1 This PR is cherry-picked to release-7.1 from a source PR. type/cherry-pick-for-release-7.5 This PR is cherry-picked to release-7.5 from a source PR. labels Nov 7, 2023
@ti-chi-bot ti-chi-bot added the cherry-pick-approved Cherry pick PR approved by release team. label Nov 21, 2023
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/retest

@ti-chi-bot ti-chi-bot bot added the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label Nov 23, 2023
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/retest

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codecov bot commented Nov 23, 2023

Codecov Report

❗ No coverage uploaded for pull request base (release-6.5@5a6c8c8). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files
@@               Coverage Diff                @@
##             release-6.5     #48379   +/-   ##
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  Coverage               ?   73.6299%           
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  Files                  ?       1086           
  Lines                  ?     349116           
  Branches               ?          0           
================================================
  Hits                   ?     257054           
  Misses                 ?      75576           
  Partials               ?      16486           

@ti-chi-bot ti-chi-bot bot added the lgtm label Nov 23, 2023
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ti-chi-bot bot commented Nov 23, 2023

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BornChanger, Leavrth

The full list of commands accepted by this bot can be found here.

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@ti-chi-bot ti-chi-bot bot added approved and removed needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Nov 23, 2023
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ti-chi-bot bot commented Nov 23, 2023

[LGTM Timeline notifier]

Timeline:

  • 2023-11-23 08:26:29.916426092 +0000 UTC m=+479218.581652286: ☑️ agreed by BornChanger.
  • 2023-11-23 09:01:02.600628714 +0000 UTC m=+481291.265854909: ☑️ agreed by Leavrth.

@ti-chi-bot ti-chi-bot bot merged commit 85f2038 into pingcap:release-6.5 Nov 23, 2023
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@ti-chi-bot ti-chi-bot removed the cherry-pick-approved Cherry pick PR approved by release team. label Nov 25, 2023
@ti-chi-bot ti-chi-bot added the cherry-pick-approved Cherry pick PR approved by release team. label Nov 27, 2023
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approved cherry-pick-approved Cherry pick PR approved by release team. lgtm ok-to-test Indicates a PR is ready to be tested. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. type/cherry-pick-for-release-6.5 This PR is cherry-picked to release-6.5 from a source PR. type/cherry-pick-for-release-7.1 This PR is cherry-picked to release-7.1 from a source PR. type/cherry-pick-for-release-7.5 This PR is cherry-picked to release-7.5 from a source PR.
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3 participants