stats: implement stats handler for DDL notifier part 1

[lance6716]

What problem does this PR solve?

Issue Number: ref #55722

Problem Summary:

What changed and how does it work?

port the handling logic of ActionCreateTable ActionTruncateTable ActionDropTable to DDL notifier subscriber.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  will test it after the publisher is ready

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 @lance6716. Thanks for your PR.

PRs from untrusted users cannot be marked as trusted with /ok-to-test in this repo meaning untrusted PR authors can never trigger tests themselves. Collaborators can still trigger tests on the PR using /test all.

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[codecov]

Codecov Report

Attention: Patch coverage is 14.28571% with 126 lines in your changes missing coverage. Please review.

Project coverage is 76.4939%. Comparing base (bb9f4d1) to head (09ce01d).
Report is 8 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #56419        +/-   ##
================================================
+ Coverage   73.3615%   76.4939%   +3.1323%     
================================================
  Files          1623       1646        +23     
  Lines        447286     462591     +15305     
================================================
+ Hits         328136     353854     +25718     
+ Misses        99077      87229     -11848     
- Partials      20073      21508      +1435     

Flag	Coverage Δ
integration	52.1560% <2.0408%> (?)
unit	72.8669% <14.2857%> (+0.3841%)	⬆️

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

Components	Coverage Δ
dumpling	52.9478% <ø> (ø)
parser	∅ <ø> (∅)
br	63.0931% <ø> (+17.5491%)	⬆️

[lance6716]

/retest

[tiprow]

@lance6716: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest

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[Rustin170506]

Looks good to me. Thanks! 👍

[Rustin170506]

Suggested change

	StatsHandlerID HandlerID = 1
	StatsMetaHandlerID HandlerID = 1

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-30 09:11:29.784491193 +0000 UTC m=+259645.204704204: ☑️ agreed by Rustin170506.
• 2024-09-30 09:18:20.869660212 +0000 UTC m=+260056.289873223: ☑️ agreed by fzzf678.

[lance6716]

/approve

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fzzf678, lance6716, Rustin170506

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Needs approval from an approver in each of these files:

• pkg/ddl/OWNERS [lance6716]
• pkg/statistics/OWNERS [Rustin170506]

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