*: remove infoschema.SchemaTables() API, replace it with SchemaTableInfos()

[tiancaiamao]

What problem does this PR solve?

Issue Number: ref #50959

Problem Summary:

What changed and how does it work?

SchemaTables() is the list API, and it creates and returns the table.Table object... it's costly in infoschema v2.
I check where it is used and find that all the callee can use SchemaTableInfos() to replace it.

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.

Remove code, nothing added.

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]

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[codecov]

Codecov Report

Attention: Patch coverage is 51.16279% with 147 lines in your changes missing coverage. Please review.

Project coverage is 55.8451%. Comparing base (560e92e) to head (33fdb7f).
Report is 5 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #54664         +/-   ##
=================================================
- Coverage   74.6805%   55.8451%   -18.8355%     
=================================================
  Files          1557       1675        +118     
  Lines        363472     609032     +245560     
=================================================
+ Hits         271443     340115      +68672     
- Misses        72337     245630     +173293     
- Partials      19692      23287       +3595     

Flag	Coverage Δ
integration	22.4536% <12.7208%> (?)
unit	71.7863% <51.1627%> (-1.8034%)	⬇️

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Components	Coverage Δ
dumpling	52.9656% <ø> (-2.2339%)	⬇️
parser	∅ <ø> (∅)
br	62.0749% <0.0000%> (+14.3932%)	⬆️

[tiancaiamao]

/retest

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[tiancaiamao]

/retest

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[tiancaiamao]

cloe #54508

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-07-22 03:13:31.269119865 +0000 UTC m=+842033.260061336: ☑️ agreed by lcwangchao.
• 2024-07-22 03:38:09.347950288 +0000 UTC m=+843511.338891767: ☑️ agreed by hawkingrei.

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

Test name	Commit	Details	Required	Rerun command
fast_test_tiprow	c1585c5	link	true	/test fast_test_tiprow

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, lcwangchao, Leavrth, wjhuang2016

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Needs approval from an approver in each of these files:

• OWNERS [Leavrth,hawkingrei,lcwangchao,wjhuang2016]
• br/OWNERS [Leavrth]
• pkg/ddl/OWNERS [wjhuang2016]
• pkg/infoschema/OWNERS [wjhuang2016]
• pkg/lock/OWNERS [wjhuang2016]
• pkg/statistics/OWNERS [hawkingrei]

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[tiancaiamao]

/test pull-br-integration-test

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[tiancaiamao]

/test pull-mysql-client-test

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[tiancaiamao]

/retest

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