infoschema: replace the btree library for v2 implementation

[tiancaiamao]

What problem does this PR solve?

Issue Number: close #58363

Problem Summary:

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

1. No logic change, just replace a library.

2. Checked with WITH_RACE=1 make, no data race found

3. Re-test the issue loadInfoSchema() slow when there are background query visiting INFORMATION_SCHEMA.TABLES #58363, now loadSchemaDiff is fast enough, and stable.

4. Mutex on infoschema v2 is gone:

go tool pprof -http=:6061 'http://127.0.0.1:10080/debug/pprof/mutex

• 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 @tiancaiamao. Thanks for your PR.

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[codecov]

Codecov Report

Attention: Patch coverage is 97.22222% with 2 lines in your changes missing coverage. Please review.

Project coverage is 75.1001%. Comparing base (14a469a) to head (db788d5).
Report is 10 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #58466        +/-   ##
================================================
+ Coverage   73.5275%   75.1001%   +1.5725%     
================================================
  Files          1681       1726        +45     
  Lines        464109     473733      +9624     
================================================
+ Hits         341248     355774     +14526     
+ Misses       102032      95756      -6276     
- Partials      20829      22203      +1374     

Flag	Coverage Δ
integration	49.2580% <90.2777%> (?)
unit	72.4987% <97.2222%> (+0.2096%)	⬆️

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	61.9323% <ø> (+16.1597%)	⬆️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lance6716, wjhuang2016

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• OWNERS [lance6716,wjhuang2016]
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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-24 02:52:34.616144517 +0000 UTC m=+1530144.704947057: ☑️ agreed by lance6716.
• 2024-12-24 07:58:17.38958476 +0000 UTC m=+1548487.478387303: ☑️ agreed by wjhuang2016.

[tiancaiamao]

/test pull-br-integration-test

[tiprow]

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In response to this:

/test pull-br-integration-test

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