ttl: force to kill SQL in scan task when canceling TTL job/task (#56518)

[ti-chi-bot]

This is an automated cherry-pick of #56518

What problem does this PR solve?

Issue Number: close #56511

What changed and how does it work?

force to kill the TTL scan sql when cancelling TTL job/task

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• 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.

TTL: force to kill the TTL scan sql when cancelling TTL job/task

[lcwangchao]

/retest

[codecov]

Codecov Report

Attention: Patch coverage is 91.66667% with 3 lines in your changes missing coverage. Please review.

Please upload report for BASE (release-7.1@eb9d3bf). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.1     #56578   +/-   ##
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  Coverage               ?   73.4730%           
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  Files                  ?       1211           
  Lines                  ?     380601           
  Branches               ?          0           
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  Hits                   ?     279639           
  Misses                 ?      83129           
  Partials               ?      17833           

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lcwangchao, YangKeao

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• OWNERS [YangKeao,lcwangchao]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-10-12 01:57:57.876270893 +0000 UTC m=+63475.025180719: ☑️ agreed by lcwangchao.
• 2024-10-12 03:43:46.776045053 +0000 UTC m=+69823.924954882: ☑️ agreed by YangKeao.