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planner: introduce hashEquals interface for expression.Expression #55793

Merged
merged 8 commits into from
Sep 9, 2024
Merged

planner: introduce hashEquals interface for expression.Expression #55793

merged 8 commits into from
Sep 9, 2024

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AilinKid
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@AilinKid AilinKid commented Sep 2, 2024

What problem does this PR solve?

Issue Number: ref #51664

Problem Summary:

What changed and how does it work?

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.

None

@AilinKid
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6e6fad5 
Signed-off-by: arenatlx <314806019@qq.com>
@ti-chi-bot ti-chi-bot bot added release-note-none Denotes a PR that doesn't merit a release note. sig/planner SIG: Planner size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Sep 2, 2024
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Hi @AilinKid. Thanks for your PR.

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@AilinKid AilinKid mentioned this pull request Sep 2, 2024
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99d119a 
Signed-off-by: arenatlx <314806019@qq.com>
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codecov bot commented Sep 2, 2024 •
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Codecov Report

Attention: Patch coverage is 49.60630% with 64 lines in your changes missing coverage. Please review.

Project coverage is 58.8680%. Comparing base (dd114f1) to head (3a95596).
Report is 68 commits behind head on master.

Additional details and impacted files 
@@                Coverage Diff                @@
##             master     #55793         +/-   ##
=================================================
- Coverage   72.8820%   58.8680%   -14.0141%     
=================================================
  Files          1584       1760        +176     
  Lines        443197     660620     +217423     
=================================================
+ Hits         323011     388894      +65883     
- Misses       100342     246149     +145807     
- Partials      19844      25577       +5733
Flag Coverage Δ
integration 41.7353% <0.0000%> (?)
unit 74.0141% <41.0714%> (+2.0014%) ⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components Coverage Δ
dumpling 54.5253% <ø> (+1.5686%) ⬆️
parser ∅ <ø> (∅)
br 63.6488% <ø> (+18.1872%) ⬆️

@AilinKid
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Signed-off-by: arenatlx <314806019@qq.com>
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AilinKid commented Sep 2, 2024

/ok-to-test

@ti-chi-bot ti-chi-bot bot added the ok-to-test Indicates a PR is ready to be tested. label Sep 2, 2024
@AilinKid
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3a95596 
Signed-off-by: arenatlx <314806019@qq.com>
hawkingrei
hawkingrei reviewed Sep 3, 2024
View reviewed changes
pkg/expression/scalar_function.go
ok = ok && (sf.RetType == nil && sf2.RetType == nil || sf.RetType != nil && sf2.RetType != nil && sf.RetType.Equals(sf2.RetType))
if len(sf.GetArgs()) != len(sf2.GetArgs()) {
return false
}
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so if ok is false, we can return first.

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make sense

elsa0520
elsa0520 approved these changes Sep 6, 2024
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LGTM

@ti-chi-bot ti-chi-bot bot added the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label Sep 6, 2024
windtalker
windtalker approved these changes Sep 6, 2024
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LGTM

pkg/expression/column.go
default:
return false
}
return col.Column.Equals(&col2.Column)
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Don't need to check Data in CorrelatedColumn?

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runtime bound data shouldn‘t be cared in planner phase

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OK

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ti-chi-bot bot commented Sep 6, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: elsa0520, windtalker

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@ti-chi-bot ti-chi-bot bot added approved lgtm and removed needs-1-more-lgtm Indicates a PR needs 1 more LGTM. labels Sep 6, 2024
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ti-chi-bot bot commented Sep 6, 2024

[LGTM Timeline notifier]

Timeline:

  • 2024-09-06 07:22:00.818758579 +0000 UTC m=+601845.336811518: ☑️ agreed by elsa0520.
  • 2024-09-06 09:48:17.053830557 +0000 UTC m=+4166.794254491: ☑️ agreed by windtalker.

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/hold

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/hold cancel

@ti-chi-bot ti-chi-bot bot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Sep 9, 2024
@ti-chi-bot ti-chi-bot bot merged commit 4ab1765 into pingcap:master Sep 9, 2024
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@windtalker windtalker windtalker approved these changes

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@elsa0520 elsa0520 elsa0520 approved these changes

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@AilinKid @windtalker @hawkingrei @elsa0520