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executor: do not append extra cols to the old row when updateDupRow (#33656) #35163

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@ti-srebot ti-srebot commented Jun 6, 2022

cherry-pick #33656 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/35163

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

git push git@github.com:ti-srebot/tidb.git pr/35163:release-5.2-b860500988e0

Signed-off-by: zyguan zhongyangguan@gmail.com

What problem does this PR solve?

Issue Number: close #33608

Problem Summary:

What is changed and how it works?

We append extra datums to the old row to resolve #14164 , however it breaks binlog. We need to prevent binlogRow from including those extra datums. This PR keep the old row unchanged and pass the extra cols info to doDupRowUpdate.

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

Fixed an issue where extra datums may break binlog.

Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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@ti-srebot: This cherry pick PR is for a release branch and has not yet been approved by release team.
Adding the do-not-merge/cherry-pick-not-approved label.

To merge this cherry pick, it must first be approved by the collaborators.

AFTER it has been approved by collaborators, please ping the release team in a comment to request a cherry pick review.

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@ti-chi-bot ti-chi-bot added 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 Jun 6, 2022
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/run-all-tests

@ti-chi-bot ti-chi-bot added release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Jun 6, 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 Jun 6, 2022
@ti-srebot ti-srebot added this to the v5.2.4 milestone Jun 6, 2022
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@zyguan 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:

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