planner: add CloneForPlanCache method to Plan interface

[qw4990]

What problem does this PR solve?

Issue Number: ref #54057

Problem Summary: planner: add CloneForPlanCache method to Plan interface

What changed and how does it work?

planner: add CloneForPlanCache method to Plan interface

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.

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[codecov]

Codecov Report

Attention: Patch coverage is 68.05556% with 23 lines in your changes missing coverage. Please review.

Project coverage is 55.9905%. Comparing base (b9a31b2) to head (d7bb66e).
Report is 4 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #54295         +/-   ##
=================================================
- Coverage   72.8487%   55.9905%   -16.8582%     
=================================================
  Files          1524       1644        +120     
  Lines        435759     607397     +171638     
=================================================
+ Hits         317445     340085      +22640     
- Misses        98715     244042     +145327     
- Partials      19599      23270       +3671     

Flag	Coverage Δ
integration	37.0793% <0.0000%> (?)
unit	71.7984% <68.0555%> (-0.0533%)	⬇️

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

Components	Coverage Δ
dumpling	52.9656% <ø> (ø)
parser	∅ <ø> (∅)
br	52.7556% <ø> (+6.5904%)	⬆️

[qw4990]

/test unit-test

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[AilinKid]

Rest LGTM

[AilinKid]

why make it for lower case？

in a later pkg move, the physical operator will be moved out of the core, and elements inside should exported for usage.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AilinKid, hi-rustin

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Needs approval from an approver in each of these files:

• OWNERS [AilinKid,hi-rustin]
• pkg/planner/OWNERS [AilinKid,hi-rustin]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-06-28 04:32:49.518454056 +0000 UTC m=+953296.003942887: ☑️ agreed by hi-rustin.
• 2024-06-28 07:14:51.019933951 +0000 UTC m=+963017.505422782: ☑️ agreed by AilinKid.

[qw4990]

/retest

[tiprow]

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/retest

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