*: panic guard for warnings (#54043)

[ti-chi-bot]

This is an automated cherry-pick of #54043

What problem does this PR solve?

Issue Number: close #48756

Problem Summary:

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
  Ref scripts in runtime error shown in warning instead of truncate #48756

TiDB root@localhost:test> show warnings
+---------+------+-----------------------------------------+
| Level   | Code | Message                                 |
+---------+------+-----------------------------------------+
| Warning | 1292 | Incorrect time value: '120120519090607' |
| Warning | 1105 |                                         |
+---------+------+-----------------------------------------+
2 rows in set
Time: 0.004s

• No need to test

  • I checked and no code files have been changed.

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-8.1@ac868cc). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-8.1     #54370   +/-   ##
================================================
  Coverage               ?   71.1932%           
================================================
  Files                  ?       1465           
  Lines                  ?     421575           
  Branches               ?          0           
================================================
  Hits                   ?     300133           
  Misses                 ?     100966           
  Partials               ?      20476           

Flag	Coverage Δ
unit	71.1932% <100.0000%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	53.9957% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	40.9637% <0.0000%> (?)

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Defined2014, mjonss

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-07-02 07:35:28.228738807 +0000 UTC m=+1309854.714227639: ☑️ agreed by Defined2014.
• 2024-07-02 08:06:50.357502529 +0000 UTC m=+1311736.842991358: ☑️ agreed by mjonss.