ddl: invalid multiple MAXVALUE partitions (#36329) (#36345)

[ti-srebot]

cherry-pick #36345 to release-6.1
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/36447

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git push [email protected]:ti-srebot/tidb.git pr/36447:release-6.1-121a6669a85c

---

Signed-off-by: u5surf [email protected]

What problem does this PR solve?

Issue Number: close #36329

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

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• Defined2014
• xhebox

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[ti-srebot]

/run-all-tests

[ti-srebot]

@Defined2014 you're already a collaborator in bot's repo.

[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/40d04c582b9c41df557ce8164dfc3c3404f18457

[Defined2014]

/merge

[ti-chi-bot]

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

Commit hash: c55778a

[ti-chi-bot]

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