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executor: support mergeSort different selectResult in TableScan and IndexScan #42024

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merged 15 commits into from
Mar 14, 2023
Merged

executor: support mergeSort different selectResult in TableScan and IndexScan #42024

merged 15 commits into from
Mar 14, 2023

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Defined2014
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@Defined2014 Defined2014 commented Mar 8, 2023 •
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What problem does this PR solve?

Issue Number: close #41801, ref #26166

Problem Summary:

What is changed and how it works?

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.

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ti-chi-bot commented Mar 8, 2023 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • XuHuaiyu
  • 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. needs-cherry-pick-release-6.5 Should cherry pick this PR to release-6.5 branch. do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Mar 8, 2023
@Defined2014 Defined2014 force-pushed the mergeSort branch 4 times, most recently from a93e1e7 to 388b3ed Compare March 9, 2023 02:04
@Defined2014 Defined2014 force-pushed the mergeSort branch 2 times, most recently from 0079bfe to 1568ba7 Compare March 9, 2023 06:38
@Defined2014 Defined2014 changed the title [WIP] partition: support mergeSort different selectResult in TableScan and IndexScan [WIP] executor: support mergeSort different selectResult in TableScan and IndexScan Mar 9, 2023
winoros
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@winoros winoros mentioned this pull request Mar 13, 2023
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/test build

winoros
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@Defined2014 Defined2014 changed the title [WIP] executor: support mergeSort different selectResult in TableScan and IndexScan executor: support mergeSort different selectResult in TableScan and IndexScan Mar 14, 2023
@ti-chi-bot ti-chi-bot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Mar 14, 2023
winoros
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It's a very clean implementation for me!
Except that golang doesn't provide a generic heap implementation in std lib yet.

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Mar 14, 2023
@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 Mar 14, 2023
Defined2014
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/merge

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

Commit hash: 873200c

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Mar 14, 2023
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/test unit-test

@ti-chi-bot ti-chi-bot merged commit cc56b21 into pingcap:master Mar 14, 2023
@Defined2014 Defined2014 deleted the mergeSort branch March 14, 2023 14:35
@ti-chi-bot ti-chi-bot mentioned this pull request Mar 14, 2023
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In response to a cherrypick label: new pull request created to branch release-6.5: #42224.

ti-chi-bot pushed a commit to ti-chi-bot/tidb that referenced this pull request Mar 14, 2023
@Defined2014 @ti-chi-bot
This is an automated cherry-pick of pingcap#42024
c930c4f 
Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
@Defined2014 Defined2014 mentioned this pull request Mar 15, 2023
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@tiancaiamao tiancaiamao mentioned this pull request Mar 29, 2023
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@XuHuaiyu XuHuaiyu XuHuaiyu approved these changes

@winoros winoros winoros approved these changes

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the subquery result is wrong
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