planner: fix bug in PhysicalExchangeSender::ResolveIndicesItself

[windtalker]

What problem does this PR solve?

Issue Number: close #60517

Problem Summary:
Described in #60517

What changed and how does it work?

Use deep copy instead of shallow copy in PhysicalExchangeSender::ResolveIndicesItself

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.

Fix a bug that will cause TiFlash crash or return wrong query result

[tiprow]

Hi @windtalker. Thanks for your PR.

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[codecov]

Codecov Report

Attention: Patch coverage is 70.58824% with 5 lines in your changes missing coverage. Please review.

Project coverage is 73.6030%. Comparing base (b1a5536) to head (79de24d).
Report is 8 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #60520        +/-   ##
================================================
+ Coverage   73.0927%   73.6030%   +0.5102%     
================================================
  Files          1714       1714                
  Lines        474828     475130       +302     
================================================
+ Hits         347065     349710      +2645     
+ Misses       106405     104155      -2250     
+ Partials      21358      21265        -93     

Flag	Coverage Δ
integration	42.7016% <11.7647%> (?)
unit	72.4443% <70.5882%> (+0.1197%)	⬆️

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

Components	Coverage Δ
dumpling	52.6553% <ø> (ø)
parser	∅ <ø> (∅)
br	47.4182% <ø> (+0.1685%)	⬆️

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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• pkg/planner/OWNERS [AilinKid,hawkingrei]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-04-14 03:44:46.016816762 +0000 UTC m=+2659979.701052855: ☑️ agreed by hawkingrei.
• 2025-04-14 04:25:26.115250327 +0000 UTC m=+2662419.799486424: ☑️ agreed by AilinKid.

[windtalker]

/test check-dev2

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/test check-dev2

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[hawkingrei]

/retest

[hawkingrei]

/retest

[windtalker]

/test pull-mysql-client-test

[tiprow]

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In response to this:

/test pull-mysql-client-test

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[windtalker]

/test check-dev2

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

In response to this:

/test check-dev2

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.1: #60549.
But this PR has conflicts, please resolve them!

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #60550.
But this PR has conflicts, please resolve them!

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #60551.
But this PR has conflicts, please resolve them!

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #60552.
But this PR has conflicts, please resolve them!

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #60553.
But this PR has conflicts, please resolve them!

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.5: #60554.