planner: add canonical hasher to take in primitive type directly for hashing.

[AilinKid]

What problem does this PR solve?

Issue Number: ref #51664

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

[tiprow]

Hi @AilinKid. Thanks for your PR.

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[codecov]

Codecov Report

Attention: Patch coverage is 92.85714% with 3 lines in your changes missing coverage. Please review.

Project coverage is 75.0005%. Comparing base (99180a8) to head (788ecd3).
Report is 20 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #55570        +/-   ##
================================================
+ Coverage   72.9575%   75.0005%   +2.0429%     
================================================
  Files          1577       1581         +4     
  Lines        440885     450258      +9373     
================================================
+ Hits         321659     337696     +16037     
+ Misses        99480      92132      -7348     
- Partials      19746      20430       +684     

Flag	Coverage Δ
integration	49.0059% <0.0000%> (?)
unit	71.8991% <92.8571%> (-0.1335%)	⬇️

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	52.5577% <ø> (+6.6117%)	⬆️

[elsa0520]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: elsa0520, hawkingrei

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• pkg/planner/OWNERS [elsa0520,hawkingrei]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-08-21 13:37:32.277849409 +0000 UTC m=+359047.412299529: ☑️ agreed by hawkingrei.
• 2024-08-22 09:48:17.789822116 +0000 UTC m=+431692.924272236: ☑️ agreed by elsa0520.

[hawkingrei]

/ok-to-test

[AilinKid]

/retest-required