br: make table existence check unified on different br client (#58211)

[ti-chi-bot]

This is an automated cherry-pick of #58211

What problem does this PR solve?

Issue Number: close #58168

Problem Summary:

What changed and how does it work?

Remove the client check of tableExistenceCheck, now it works on both sql and cli client.

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-8.5@6ec3d04). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-8.5     #58262   +/-   ##
================================================
  Coverage               ?   56.9077%           
================================================
  Files                  ?       1773           
  Lines                  ?     627048           
  Branches               ?          0           
================================================
  Hits                   ?     356839           
  Misses                 ?     246124           
  Partials               ?      24085           

Flag	Coverage Δ
integration	36.8367% <ø> (?)
unit	72.5822% <ø> (?)

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

Components	Coverage Δ
dumpling	52.8711% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	52.3877% <0.0000%> (?)

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BornChanger, Leavrth

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Needs approval from an approver in each of these files:

• br/OWNERS [BornChanger,Leavrth]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-14 05:07:22.039336329 +0000 UTC m=+674232.128138867: ☑️ agreed by BornChanger.
• 2024-12-15 03:25:14.009895592 +0000 UTC m=+754504.098698130: ☑️ agreed by Leavrth.