statistics: fix incorrect datetime value when loading stats (#40084)

[ti-chi-bot]

This is an automated cherry-pick of #40084

What problem does this PR solve?

Issue Number: close #39336

Problem Summary:

What is changed and how it works?

Invalid date values may be inserted into table under some relaxed sql mode. Those values may exist in statistics. Hence, when reading statistics, we should skip invalid date check.

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-chi-bot]

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[ti-chi-bot]

@ti-chi-bot: 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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