ddl: remove schemaTableInfos call of DropSchema

[GMHDBJD]

What problem does this PR solve?

Issue Number: close #55953

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.

just return different infos by different api

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

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None

[tiprow]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-09 09:05:36.687451968 +0000 UTC m=+260806.427875899: ☑️ agreed by tiancaiamao.
• 2024-09-09 09:07:14.421429458 +0000 UTC m=+260904.161853397: ☑️ agreed by CbcWestwolf.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.2514%. Comparing base (499e45f) to head (17e9284).
Report is 10 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #55954         +/-   ##
=================================================
- Coverage   72.8489%   57.2514%   -15.5976%     
=================================================
  Files          1604       1755        +151     
  Lines        445733     633870     +188137     
=================================================
+ Hits         324712     362900      +38188     
- Misses       101000     246215     +145215     
- Partials      20021      24755       +4734     

Flag	Coverage Δ
integration	39.9279% <100.0000%> (?)
unit	72.4312% <100.0000%> (+0.4698%)	⬆️

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

Components	Coverage Δ
dumpling	52.9567% <ø> (ø)
parser	∅ <ø> (∅)
br	63.1587% <ø> (+17.4179%)	⬆️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CbcWestwolf, lance6716, tiancaiamao

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[lance6716]

please ask for approval from gmhdbjd,

you can approve yourself