util/codec: Fix analyze table for partitioned table with datetime column and version 1 (#34228) (#34364)

[ti-srebot]

cherry-pick #34364 to release-5.3
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# In tidb repo:
git pr https://github.com/pingcap/tidb/pull/34395

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git push git@github.com:ti-srebot/tidb.git pr/34395:release-5.3-4b917c47ecbc

---

What problem does this PR solve?

Issue Number: close #34228

Problem Summary:

What is changed and how it works?

In some cases datetime is stored as Uvarint instead of Uint

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.

Fixed issue where `ANALYZE TABLE` would fail for partitioned table with datetime column and using tidb_analyze_version = 1

[ti-chi-bot]

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[ti-srebot]

/run-all-tests

[ti-srebot]

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

[XuHuaiyu]

hi, @mjonss
The cherry-pick-approved label is added, we can merge this PR now.

[ti-chi-bot]

This pull request is closed because its related version has closed automatic cherry-picking.
If it's still needed, you can reopen it or just regenerate it using bot,
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