planner: refactor pattern dir output memo related logic

[AilinKid]

What problem does this PR solve?

Issue Number: ref #51664

Problem Summary:

What changed and how does it work?

• we use git mv file to keep the file's original git history, for better reference in the future.
• separate the pattern related code output memo directory

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

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[codecov]

Codecov Report

Merging #52117 (2a23a1a) into master (8428e38) will decrease coverage by 15.9893%.
Report is 5 commits behind head on master.
The diff coverage is 93.8202%.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #52117         +/-   ##
=================================================
- Coverage   70.6615%   54.6722%   -15.9893%     
=================================================
  Files          1486       1599        +113     
  Lines        439481     609291     +169810     
=================================================
+ Hits         310544     333113      +22569     
- Misses       109404     253000     +143596     
- Partials      19533      23178       +3645     

Flag	Coverage Δ
integration	36.7127% <92.1348%> (?)
unit	70.4405% <89.8876%> (-0.0231%)	⬇️

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

Components	Coverage Δ
dumpling	53.9957% <ø> (ø)
parser	∅ <ø> (∅)
br	51.5802% <ø> (+5.7871%)	⬆️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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• OWNERS [hawkingrei,zimulala]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-03-27 03:19:52.468482868 +0000 UTC m=+2038019.490729256: ☑️ agreed by hawkingrei.
• 2024-03-27 03:22:24.723618103 +0000 UTC m=+2038171.745864491: ☑️ agreed by zimulala.