Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

planner: outer join elimination doesn't consider the ORDER BY items from the agg func (#38380) #38385

Merged
merged 4 commits into from
Oct 11, 2022
Merged

planner: outer join elimination doesn't consider the ORDER BY items from the agg func (#38380) #38385

merged 4 commits into from
Oct 11, 2022

Conversation

ti-chi-bot
Copy link
Member

This is an automated cherry-pick of #38380

What problem does this PR solve?

Issue Number: close #18216

Problem Summary:

Outer join is wrongly eliminated since we don't take the ORDER BY items from the GROUP_CONCAT.

What is changed and how it works?

Add it.

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.

Fix the issue that GROUP CONCAT with ORDER BY might fail when the ORDER BY clause contains a correlated subquery.

@ti-chi-bot ti-chi-bot mentioned this pull request Oct 10, 2022
Merged
12 tasks
@ti-chi-bot
Copy link
Member Author

ti-chi-bot commented Oct 10, 2022 •
edited
Loading

[REVIEW NOTIFICATION]

This pull request has been approved by:

  • fixdb
  • time-and-fate

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.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.

@ti-chi-bot ti-chi-bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. type/cherry-pick-for-release-6.1 This PR is cherry-picked to release-6.1 from a source PR. do-not-merge/cherry-pick-not-approved labels Oct 10, 2022
@VelocityLight VelocityLight added cherry-pick-approved Cherry pick PR approved by release team. and removed do-not-merge/cherry-pick-not-approved labels Oct 10, 2022
@ti-chi-bot ti-chi-bot added size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. and removed size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Oct 10, 2022
@ti-chi-bot ti-chi-bot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels Oct 10, 2022
@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label Oct 10, 2022
fixdb
fixdb approved these changes Oct 11, 2022
View reviewed changes
Copy link
Contributor

@fixdb fixdb left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

+1

@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 Oct 11, 2022
@fixdb
Copy link
Contributor

fixdb commented Oct 11, 2022

/merge

@ti-chi-bot
Copy link
Member Author

@fixdb: /merge is only allowed for the committers, you can assign this pull request to the committer in list by filling /assign @committer in the comment to help merge this pull request.

In response to this:

/merge

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

@AilinKid
Copy link
Contributor

/merge

@ti-chi-bot
Copy link
Member Author

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

Commit hash: a7b89e4

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Oct 11, 2022
@winoros
Copy link
Member

winoros commented Oct 11, 2022

/merge

@ti-chi-bot ti-chi-bot merged commit 1afc722 into pingcap:release-6.1 Oct 11, 2022
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Reviewers

@time-and-fate time-and-fate time-and-fate approved these changes

@AilinKid AilinKid AilinKid approved these changes

@fixdb fixdb fixdb approved these changes

Assignees

@winoros winoros

Labels
cherry-pick-approved Cherry pick PR approved by release team. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. status/can-merge Indicates a PR has been approved by a committer. status/LGT2 Indicates that a PR has LGTM 2. type/cherry-pick-for-release-6.1 This PR is cherry-picked to release-6.1 from a source PR.
Projects
None yet
Milestone
No milestone
Development

Successfully merging this pull request may close these issues.
6 participants
@ti-chi-bot @fixdb @AilinKid @winoros @time-and-fate @VelocityLight