planner: add more test cases for instance plan cache

[qw4990]

What problem does this PR solve?

Issue Number: ref #54057

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

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

[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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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.2665%. Comparing base (638c05f) to head (be3900b).
Report is 7 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #55850         +/-   ##
=================================================
- Coverage   72.8565%   56.2665%   -16.5900%     
=================================================
  Files          1595       1720        +125     
  Lines        443510     615769     +172259     
=================================================
+ Hits         323126     346472      +23346     
- Misses       100503     245725     +145222     
- Partials      19881      23572       +3691     

Flag	Coverage Δ
integration	37.5315% <ø> (?)
unit	71.9541% <ø> (-0.0033%)	⬇️

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	52.6827% <ø> (+7.2530%)	⬆️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, time-and-fate

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Needs approval from an approver in each of these files:

• pkg/planner/OWNERS [hawkingrei,time-and-fate]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-04 10:42:33.220984407 +0000 UTC m=+441077.739037334: ☑️ agreed by time-and-fate.
• 2024-09-04 10:45:42.910736684 +0000 UTC m=+441267.428789610: ☑️ agreed by hawkingrei.

[tiprow]

@qw4990: 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	be3900b	link	true	/test fast_test_tiprow

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[qw4990]

/test fast_test_tiprow

[ti-chi-bot]

@qw4990: The specified target(s) for /test were not found.
The following commands are available to trigger required jobs:

• /test build
• /test check-dev
• /test check-dev2
• /test mysql-test
• /test pull-br-integration-test
• /test pull-integration-ddl-test
• /test pull-lightning-integration-test
• /test pull-mysql-client-test
• /test unit-test

The following commands are available to trigger optional jobs:

• /test canary-notify-when-compatibility-sections-changed
• /test pingcap/tidb/canary_ghpr_unit_test
• /test pull-common-test
• /test pull-e2e-test
• /test pull-integration-common-test
• /test pull-integration-copr-test
• /test pull-integration-jdbc-test
• /test pull-integration-mysql-test
• /test pull-integration-nodejs-test
• /test pull-sqllogic-test
• /test pull-tiflash-test

Use /test all to run the following jobs that were automatically triggered:

• pingcap/tidb/ghpr_build
• pingcap/tidb/ghpr_check
• pingcap/tidb/ghpr_check2
• pingcap/tidb/ghpr_mysql_test
• pingcap/tidb/ghpr_unit_test
• pingcap/tidb/pull_integration_ddl_test
• pingcap/tidb/pull_mysql_client_test

In response to this:

/test fast_test_tiprow

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[tiprow]

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

In response to this:

/test fast_test_tiprow

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.