[DNM]Pgo read only test

[crazycs520]

What problem does this PR solve?

Issue Number: close #xxx

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.

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

[ti-chi-bot]

[FORMAT CHECKER NOTIFICATION]

Notice: To remove the do-not-merge/invalid-title label, please follow title format, for example pkg [, pkg2, pkg3]: what is changed or *: what is changed.

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Notice: To remove the do-not-merge/needs-linked-issue label, please provide the linked issue number on one line in the PR body, for example: Issue Number: close #123 or Issue Number: ref #456.

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For example:

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

_{📖 For more info, you can check the "Contribute Code" section in the development guide.}

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[tiprow]

Hi @crazycs520. Thanks for your PR.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.3140%. Comparing base (c9215ec) to head (0961468).
Report is 24 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #59032        +/-   ##
================================================
+ Coverage   73.0353%   73.3140%   +0.2787%     
================================================
  Files          1682       1685         +3     
  Lines        465587     467587      +2000     
================================================
+ Hits         340043     342807      +2764     
+ Misses       104648     103811       -837     
- Partials      20896      20969        +73     

Flag	Coverage Δ
integration	42.8015% <ø> (?)
unit	72.2286% <ø> (+0.0142%)	⬆️

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

Components	Coverage Δ
dumpling	52.6910% <ø> (ø)
parser	∅ <ø> (∅)
br	45.2941% <ø> (+0.0173%)	⬆️