disttask: refine table_test

[ywqzzy]

What problem does this PR solve?

Issue Number: ref #48795

Problem Summary:

What changed and how does it work?

Refine init process for table_test.

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

[tiprow]

Hi @ywqzzy. Thanks for your PR.

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[D3Hunter]

remove this

[codecov]

Codecov Report

Merging #49382 (b49f519) into master (0b39f99) will increase coverage by 0.7998%.
Report is 9 commits behind head on master.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #49382        +/-   ##
================================================
+ Coverage   71.0491%   71.8490%   +0.7998%     
================================================
  Files          1368       1412        +44     
  Lines        401712     415719     +14007     
================================================
+ Hits         285413     298690     +13277     
- Misses        96443      98199      +1756     
+ Partials      19856      18830      -1026     

Flag	Coverage Δ
integration	43.8454% <ø> (?)
unit	71.0491% <ø> (ø)

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

Components	Coverage Δ
dumpling	53.9663% <ø> (ø)
parser	∅ <ø> (∅)
br	47.9211% <ø> (-4.9723%)	⬇️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: D3Hunter, okJiang

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• pkg/disttask/OWNERS [D3Hunter]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-12-12 09:02:19.031382529 +0000 UTC m=+346830.068609456: ☑️ agreed by D3Hunter.
• 2023-12-12 10:11:26.262442117 +0000 UTC m=+350977.299669043: ☑️ agreed by okJiang.

[okJiang]

/ok-to-test

[hawkingrei]

/retest