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executor: prevent sending cop request for show columns (#36613) #36630

Merged
merged 5 commits into from
Jul 28, 2022
Merged

executor: prevent sending cop request for show columns (#36613) #36630

merged 5 commits into from
Jul 28, 2022

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@ti-srebot ti-srebot commented Jul 27, 2022 •
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cherry-pick #36613 to release-6.2
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/36630

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

git push git@github.com:ti-srebot/tidb.git pr/36630:release-6.2-e39ef4cae80f

What problem does this PR solve?

Issue Number: close #36426, #36496

What is changed and how it works?

This PR prevents running the executor when executing SHOW COLUMNS or reading INFORMATION_SCHEMA.COLUMNS.

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

@ti-srebot
cherry pick pingcap#36613 to release-6.2
2731687 
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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/run-all-tests

@ti-srebot ti-srebot mentioned this pull request Jul 27, 2022
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@ti-srebot ti-srebot added release-note-none Denotes a PR that doesn't merit a release note. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. type/6.2-cherry-pick labels Jul 27, 2022
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@tangenta you're already a collaborator in bot's repo.

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sre-bot commented Jul 27, 2022 •
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Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/3cf2c49828251bab1185a0c7b62f6aff7b6c2c9b

@VelocityLight VelocityLight added the cherry-pick-approved Cherry pick PR approved by release team. label Jul 27, 2022
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ti-chi-bot commented Jul 28, 2022 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • lcwangchao
  • xiongjiwei

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 the status/LGT1 Indicates that a PR has LGTM 1. label Jul 28, 2022
@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 Jul 28, 2022
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/merge

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

Commit hash: 2731687

@ti-chi-bot ti-chi-bot added the status/can-merge Indicates a PR has been approved by a committer. label Jul 28, 2022
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/run-unit-test

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@ti-srebot: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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.

@ti-chi-bot ti-chi-bot merged commit c94307f into pingcap:release-6.2 Jul 28, 2022
@xhebox xhebox deleted the release-6.2-e39ef4cae80f branch August 9, 2022 07:46
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@xiongjiwei xiongjiwei xiongjiwei approved these changes

@lcwangchao lcwangchao lcwangchao approved these changes

@qw4990 qw4990 Awaiting requested review from qw4990

@xhebox xhebox Awaiting requested review from xhebox

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@ti-srebot @sre-bot @ti-chi-bot @lcwangchao @hawkingrei @xiongjiwei @VelocityLight @tangenta