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*: revert #27021 to fix a bug that selection can not be pushed down when having clause above aggregation (#33168) #33181

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@ti-srebot ti-srebot commented Mar 17, 2022

cherry-pick #33168 to release-5.2
You can switch your code base to this Pull Request by using git-extras:

# In tidb repo:
git pr https://github.com/pingcap/tidb/pull/33181

After apply modifications, you can push your change to this PR via:

git push [email protected]:ti-srebot/tidb.git pr/33181:release-5.2-47e4b5bf312a

Signed-off-by: wjhuang2016 [email protected]

What problem does this PR solve?

Issue Number: close #33166

Problem Summary:
I don't know why #27021 get merged, but it's totally wrong.
First, selection can be pushed down when having clause above aggregation, it's true.
Second, the root cause of #26496 is the same as #30094, which is fixed by #30120

What is changed and how it works?

Revert #27021

Check List

Tests

  • Unit test
  • Integration test
  • Manual test (add detailed scripts or steps below)
  • No code

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

fix a bug that selection can not be pushed down when having clause above aggregation

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[REVIEW NOTIFICATION]

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@ti-chi-bot ti-chi-bot added do-not-merge/cherry-pick-not-approved do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. release-note Denotes a PR that will be considered when it comes time to generate release notes. labels Mar 17, 2022
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/run-all-tests

@ti-chi-bot ti-chi-bot removed the do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. label Mar 17, 2022
@ti-srebot ti-srebot added size/M Denotes a PR that changes 30-99 lines, ignoring generated files. type/5.2-cherry-pick labels Mar 17, 2022
@ti-chi-bot ti-chi-bot removed the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Mar 17, 2022
@ti-chi-bot ti-chi-bot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Mar 17, 2022
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@wjhuang2016 you're already a collaborator in bot's repo.

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This pull request is closed because it's related version has closed automatic cherry-picking.
If it's still needed, you can reopen it or just regenerate it using bot,
see:

You can find more details at:

@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Sep 21, 2022
@VelocityLight VelocityLight added do-not-merge/cherry-pick-not-approved and removed cherry-pick-approved Cherry pick PR approved by release team. labels Nov 2, 2022
@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Feb 27, 2023
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4 participants