enhance: avoid limiting ddl operations repeatedly(#37006)

[MrPresent-Han]

related: #37006

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@MrPresent-Han Please associate the related pr of master to the body of your Pull Request. (eg. “pr: #”)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.61%. Comparing base (1dcc393) to head (b178a0d).
Report is 3 commits behind head on 2.4.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #37011      +/-   ##
==========================================
+ Coverage   72.11%   80.61%   +8.50%     
==========================================
  Files        1065     1065              
  Lines      164601   164601              
==========================================
+ Hits       118706   132699   +13993     
+ Misses      41563    27561   -14002     
- Partials     4332     4341       +9     

Files with missing lines	Coverage Δ
...nternal/distributed/proxy/httpserver/handler_v2.go	91.82% <100.00%> (ø)

... and 237 files with indirect coverage changes

[MrPresent-Han]

/run-cpu-e2e

[mergify]

@MrPresent-Han E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[MrPresent-Han]

/run-cpu-e2e

[mergify]

@MrPresent-Han E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[MrPresent-Han]

/run-cpu-e2e

[jaime0815]

/lgtm

[sre-ci-robot]

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