planner: refactor some code related to binding

[qw4990]

What problem does this PR solve?

Issue Number: ref #51347

Problem Summary: planner: refactor some code related to binding

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.

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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Needs approval from an approver in each of these files:

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

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-02-20 08:54:05.989341056 +0000 UTC m=+1124288.385563103: ☑️ agreed by hawkingrei.
• 2025-02-20 08:54:37.742460231 +0000 UTC m=+1124320.138682294: ☑️ agreed by AilinKid.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.7601%. Comparing base (b45a9e8) to head (214c49b).
Report is 8 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #59676        +/-   ##
================================================
+ Coverage   72.9779%   73.7601%   +0.7822%     
================================================
  Files          1694       1698         +4     
  Lines        468758     471878      +3120     
================================================
+ Hits         342090     348058      +5968     
+ Misses       105596     102908      -2688     
+ Partials      21072      20912       -160     

Flag	Coverage Δ
integration	43.0401% <93.3333%> (?)
unit	72.6163% <100.0000%> (+0.4404%)	⬆️

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	45.1762% <ø> (+0.0986%)	⬆️

[qw4990]

/test unit-test

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[qw4990]

/test check-dev2

[qw4990]

/test unit-test

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/test unit-test

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[qw4990]

/test check-dev2

[tiprow]

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

In response to this:

/test check-dev2

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.