*: add aggregate function min_count/max_count

[gengliqi]

What problem does this PR solve?

Issue Number: ref #66124

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 @gengliqi. 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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[gengliqi]

/retest

[tiprow]

@gengliqi: 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.

Details

In response to this:

/retest

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[codecov]

Codecov Report

❌ Patch coverage is 40.93407% with 645 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (feature/release-8.5-materialized-view@6fb3636). Learn more about missing BASE report.

⚠️ Current head 0a82a84 differs from pull request most recent head 2f4ed05

Please upload reports for the commit 2f4ed05 to get more accurate results.

Additional details and impacted files

@@                            Coverage Diff                             @@
##             feature/release-8.5-materialized-view     #66250   +/-   ##
==========================================================================
  Coverage                                         ?   55.5259%           
==========================================================================
  Files                                            ?       1785           
  Lines                                            ?     639222           
  Branches                                         ?          0           
==========================================================================
  Hits                                             ?     354934           
  Misses                                           ?     258524           
  Partials                                         ?      25764           

Flag	Coverage Δ
integration	22.9194% <0.2747%> (?)
unit	72.5900% <40.9340%> (?)

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

Components	Coverage Δ
dumpling	52.9278% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	52.7356% <0.0000%> (?)

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign benmeadowcroft, bornchanger, henrybw, xuhuaiyu for approval. For more information see the Code Review Process.
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Details

Needs approval from an approver in each of these files:

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[ti-chi-bot]

@gengliqi: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/check_dev	2f4ed05	link	true	/test check-dev
idc-jenkins-ci-tidb/build	2f4ed05	link	true	/test build
idc-jenkins-ci-tidb/unit-test	2f4ed05	link	true	/test unit-test
idc-jenkins-ci-tidb/check_dev_2	2f4ed05	link	true	/test check-dev2
idc-jenkins-ci-tidb/mysql-test	2f4ed05	link	true	/test mysql-test

Full PR test history. Your PR dashboard.

Details

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. I understand the commands that are listed here.