planner: add more test cases for plan cache

[qw4990]

What problem does this PR solve?

Issue Number: ref #54057

Problem Summary: planner: add more test cases for plan cache

What changed and how does it work?

planner: add more test cases for plan cache

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

[tiprow]

Hi @qw4990. Thanks for your PR.

PRs from untrusted users cannot be marked as trusted with /ok-to-test in this repo meaning untrusted PR authors can never trigger tests themselves. Collaborators can still trigger tests on the PR using /test all.

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-10-28 06:56:45.904520305 +0000 UTC m=+246518.743675843: ☑️ agreed by AilinKid.
• 2024-10-28 06:58:04.183827441 +0000 UTC m=+246597.022982986: ☑️ agreed by Rustin170506.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.3386%. Comparing base (c550aae) to head (96ee203).
Report is 8 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #56869         +/-   ##
=================================================
- Coverage   73.3393%   56.3386%   -17.0008%     
=================================================
  Files          1636       1761        +125     
  Lines        453658     632571     +178913     
=================================================
+ Hits         332710     356382      +23672     
- Misses       100561     252117     +151556     
- Partials      20387      24072       +3685     

Flag	Coverage Δ
integration	37.0610% <ø> (?)
unit	72.5252% <ø> (-0.0265%)	⬇️

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

Components	Coverage Δ
dumpling	52.9478% <ø> (ø)
parser	∅ <ø> (∅)
br	52.6850% <ø> (+6.7084%)	⬆️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AilinKid, hawkingrei, Rustin170506

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Needs approval from an approver in each of these files:

• pkg/planner/OWNERS [AilinKid,Rustin170506,hawkingrei]

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[qw4990]

/test unit-test

[tiprow]

@qw4990: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/test unit-test

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.