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planner: do not convert update to point get if the expr has sub-query (#47454)#47736

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ti-chi-bot[bot] merged 2 commits intopingcap:release-6.5from
ti-chi-bot:cherry-pick-47454-to-release-6.5
Oct 31, 2023
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planner: do not convert update to point get if the expr has sub-query (#47454)#47736
ti-chi-bot[bot] merged 2 commits intopingcap:release-6.5from
ti-chi-bot:cherry-pick-47454-to-release-6.5

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This is an automated cherry-pick of #47454

What problem does this PR solve?

Issue Number: close #47445

Problem Summary:

What is changed and how it works?

  • do not convert update to point get if the expr has sub-query
    • covered the case expr
    • covered the parentheses case expr
    • covered the parentheses sub-query expr
    • covered the sub-query expr (do we really need this? I copied the code from the old code)

Check List

Tests

  • Unit test
  • Integration test
  • Manual test
  • 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.

Fixed TiDB incorrectly converts update statement to point get plan issue

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
@ti-chi-bot ti-chi-bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. sig/planner SIG: Planner 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. labels Oct 18, 2023
@ti-chi-bot ti-chi-bot added the cherry-pick-approved Cherry pick PR approved by release team. label Oct 20, 2023
Comment on lines +1167 to +1168
<<<<<<< HEAD:planner/core/plan_test.go
=======
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Can you fix the conflict? we need this go to 6.5

@ti-chi-bot ti-chi-bot bot added needs-1-more-lgtm Indicates a PR needs 1 more LGTM. approved labels Oct 31, 2023
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codecov bot commented Oct 31, 2023

Codecov Report

❗ No coverage uploaded for pull request base (release-6.5@49d93b8). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files
@@               Coverage Diff                @@
##             release-6.5     #47736   +/-   ##
================================================
  Coverage               ?   73.7472%           
================================================
  Files                  ?       1085           
  Lines                  ?     349502           
  Branches               ?          0           
================================================
  Hits                   ?     257748           
  Misses                 ?      75297           
  Partials               ?      16457           

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ti-chi-bot bot commented Oct 31, 2023

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, hi-rustin

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Details Needs approval from an approver in each of these files:
  • OWNERS [hawkingrei,hi-rustin]

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@ti-chi-bot ti-chi-bot bot added lgtm and removed needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Oct 31, 2023
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ti-chi-bot bot commented Oct 31, 2023

[LGTM Timeline notifier]

Timeline:

  • 2023-10-31 05:35:47.219634329 +0000 UTC m=+2931344.806744459: ☑️ agreed by hi-rustin.
  • 2023-10-31 09:20:57.98880973 +0000 UTC m=+2944855.575919875: ☑️ agreed by hawkingrei.

@ti-chi-bot ti-chi-bot bot merged commit b7f909c into pingcap:release-6.5 Oct 31, 2023
@ti-chi-bot ti-chi-bot deleted the cherry-pick-47454-to-release-6.5 branch April 15, 2025 08:29
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approved cherry-pick-approved Cherry pick PR approved by release team. lgtm release-note Denotes a PR that will be considered when it comes time to generate release notes. sig/planner SIG: Planner 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.

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4 participants