ddl: prevent ddl job state being overridden during update

[tangenta]

What problem does this PR solve?

Issue Number: close #52747

Problem Summary:

What changed and how does it work?

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.

None

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[tiprow]

Hi @tangenta. Thanks for your PR.

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[codecov]

Codecov Report

❌ Patch coverage is 52.77778% with 17 lines in your changes missing coverage. Please review.
✅ Project coverage is 73.5706%. Comparing base (100aa05) to head (2de2950).
⚠️ Report is 2998 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #53518        +/-   ##
================================================
+ Coverage   72.4910%   73.5706%   +1.0796%     
================================================
  Files          1505       1505                
  Lines        430456     430480        +24     
================================================
+ Hits         312042     316707      +4665     
+ Misses        99205      94058      -5147     
- Partials      19209      19715       +506     

Flag	Coverage Δ
integration	24.1656% <52.7777%> (?)

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Components	Coverage Δ
dumpling	∅ <ø> (∅)
parser	∅ <ø> (∅)
br	50.9770% <ø> (+8.9942%)	⬆️

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[ti-chi-bot]

PR needs rebase.

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[ti-chi-bot]

@tangenta: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/check_dev_2	2de2950	link	true	/test check-dev2
idc-jenkins-ci-tidb/unit-test	2de2950	link	true	/test unit-test
pull-br-integration-test	2de2950	link	true	/test pull-br-integration-test
pull-lightning-integration-test	2de2950	link	true	/test pull-lightning-integration-test
pull-unit-test-ddlv1	2de2950	link	true	/test pull-unit-test-ddlv1
pull-integration-e2e-test	2de2950	link	true	/test pull-integration-e2e-test
pull-integration-realcluster-test-next-gen	2de2950	link	true	/test pull-integration-realcluster-test-next-gen

Full PR test history. Your PR dashboard.

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