executor: reset groupCount when Close is called in streamagg executor

[xzhangxian1008]

What problem does this PR solve?

Issue Number: close #53867

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.

Reset groupCount or streamagg executor will believe that current rows haven't been consumed and lead to panic

[tiprow]

Hi @xzhangxian1008. Thanks for your PR.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.9128%. Comparing base (9c500ad) to head (276f486).
Report is 628 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #53874         +/-   ##
=================================================
- Coverage   72.5060%   56.9128%   -15.5932%     
=================================================
  Files          1507       1638        +131     
  Lines        431676     617534     +185858     
=================================================
+ Hits         312991     351456      +38465     
- Misses        99250     242833     +143583     
- Partials      19435      23245       +3810     

Flag	Coverage Δ
integration	37.5823% <100.0000%> (?)
unit	72.3094% <100.0000%> (+0.8137%)	⬆️

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

Components	Coverage Δ
dumpling	52.9656% <ø> (ø)
parser	∅ <ø> (∅)
br	52.7655% <ø> (+10.6391%)	⬆️

[xzhangxian1008]

/retest

[tiprow]

@xzhangxian1008: 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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[yibin87]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: guo-shaoge, yibin87

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-06-18 01:22:55.211019393 +0000 UTC m=+77901.696508225: ☑️ agreed by yibin87.
• 2024-06-18 03:56:13.250323665 +0000 UTC m=+87099.735812496: ☑️ agreed by guo-shaoge.

[xzhangxian1008]

/retest

[tiprow]

@xzhangxian1008: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest

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.

[xzhangxian1008]

/retest

[tiprow]

@xzhangxian1008: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest

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.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #55700.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #55701.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #55702.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #55703.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.1: #55704.