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planner: change the stage of count star rewriter rule from logical to post #39555

Merged
merged 13 commits into from
Dec 2, 2022
Merged

planner: change the stage of count star rewriter rule from logical to post #39555

merged 13 commits into from
Dec 2, 2022

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elsa0520
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@elsa0520 elsa0520 commented Dec 1, 2022

What problem does this PR solve?

Issue Number: close #37165

Problem Summary:

What is changed and how it works?

Change count star rewriter from logical rule to post phase

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

Please refer to Release Notes Language Style Guide to write a quality release note.

None

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ti-chi-bot commented Dec 1, 2022 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • AilinKid
  • winoros

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 release-note-none Denotes a PR that doesn't merit a release note. do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. labels Dec 1, 2022
@elsa0520 elsa0520 marked this pull request as ready for review December 1, 2022 13:08
@ti-chi-bot ti-chi-bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. labels Dec 1, 2022
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elsa0520 commented Dec 1, 2022

/run-mysql-test tidb-test=pr/2030

winoros
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planner/core/optimizer.go Outdated Show resolved Hide resolved
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elsa0520 commented Dec 1, 2022

/run-mysql-test tidb-test=pr/2030

winoros
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planner/core/optimizer.go Outdated Show resolved Hide resolved
@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Dec 1, 2022
@winoros winoros added the sig/planner SIG: Planner label Dec 1, 2022
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elsa0520 commented Dec 1, 2022

/run-mysql-test tidb-test=pr/2030

@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 Dec 1, 2022
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elsa0520 commented Dec 1, 2022

/run-unit-test

fixdb
fixdb approved these changes Dec 2, 2022
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+1

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bb7133 commented Dec 2, 2022

/merge

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

Commit hash: 1278671

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Dec 2, 2022
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fixdb commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

bb7133
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planner/core/optimizer.go

Pattern:
PhysicalAggregation: count(constant)

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Why there is a blank line? Is it expected?

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Maybe a typo, we can delete it in later commits.

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fixdb commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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fixdb commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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fixdb commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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fixdb commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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fixdb commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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fixdb commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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elsa0520 commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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elsa0520 commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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elsa0520 commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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elsa0520 commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

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elsa0520 commented Dec 2, 2022

/run-mysql-test tidb-test=pr/2030

@ti-chi-bot ti-chi-bot merged commit 6b4739f into pingcap:master Dec 2, 2022
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sre-bot commented Dec 2, 2022

TiDB MergeCI notify

✅ Well Done! New fixed [2] after this pr merged.

CI Name Result Duration Compare with Parent commit
idc-jenkins-ci/integration-cdc-test 🔴 failed 1, success 39, total 40 23 min Existing failure
idc-jenkins-ci-tidb/integration-common-test 🔴 failed 6, success 11, total 17 12 min Existing failure
idc-jenkins-ci-tidb/common-test 🔴 failed 1, success 10, total 11 11 min Existing failure
idc-jenkins-ci-tidb/sqllogic-test-2 ✅ all 28 tests passed 5 min 48 sec Fixed
idc-jenkins-ci-tidb/sqllogic-test-1 ✅ all 26 tests passed 4 min 19 sec Fixed
idc-jenkins-ci-tidb/tics-test 🟢 all 1 tests passed 5 min 38 sec Existing passed
idc-jenkins-ci-tidb/integration-ddl-test 🟢 all 6 tests passed 4 min 27 sec Existing passed
idc-jenkins-ci-tidb/mybatis-test 🟢 all 1 tests passed 3 min 59 sec Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test 🟢 all 1 tests passed 3 min 10 sec Existing passed
idc-jenkins-ci-tidb/plugin-test 🟢 build success, plugin test success 4min Existing passed

@AkiraXie AkiraXie mentioned this pull request Nov 23, 2023
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@fixdb fixdb fixdb approved these changes

@bb7133 bb7133 bb7133 left review comments

@AilinKid AilinKid AilinKid approved these changes

@winoros winoros winoros approved these changes

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planner: optimize the performance of SELECT count(*)
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@elsa0520 @ti-chi-bot @bb7133 @fixdb @sre-bot @winoros @AilinKid