*: query failed after add index / timestamp out-of-range (#28424) (#29323)

[ti-srebot]

cherry-pick #29323 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/30985

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git push git@github.com:ti-srebot/tidb.git pr/30985:release-5.2-9d4da4f3fb05

---

What problem does this PR solve?

Issue Number: close #28424

Problem Summary: Timestamp out-of-range and range optimizer incompatibility.

What is changed and how it works?

Two issues, convertToMysqlTimestamp did set out-of-range timestamp to
Zero, when it would still be a storable/comparable KindMysqlTime.
(we only artificially limit the range of Timestamp to be compatible
with MySQL).

When this change was done,
it broke #26584 (insert of invalid timestamp succeeded),
which needed a different change in handleZeroDatetime

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 index handling bug with timestamp out-of-range.

[ti-chi-bot]

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[ti-chi-bot]

@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.

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[ti-srebot]

/run-all-tests

[ti-srebot]

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

[VelocityLight]

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:

• https://prow.tidb.io/command-help#cherrypick
• https://book.prow.tidb.net/#/plugins/cherrypicker

You can find more details at:

• https://internals.tidb.io/t/topic/785