planner: add more test cases for plan cache with generated columns

[qw4990]

What problem does this PR solve?

Issue Number: ref #45798

Problem Summary: planner: add more test cases for plan cache with generated columns

What changed and how does it work?

planner: add more test cases for plan cache with generated columns

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 @qw4990. Thanks for your PR.

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[codecov]

Codecov Report

Merging #51323 (0374ac3) into master (1438892) will decrease coverage by 16.0525%.
Report is 3 commits behind head on master.
The diff coverage is n/a.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #51323         +/-   ##
=================================================
- Coverage   70.6110%   54.5585%   -16.0525%     
=================================================
  Files          1459       1568        +109     
  Lines        434200     603445     +169245     
=================================================
+ Hits         306593     329231      +22638     
- Misses       108340     251174     +142834     
- Partials      19267      23040       +3773     

Flag	Coverage Δ
integration	36.6664% <ø> (?)
unit	70.3151% <ø> (-0.0820%)	⬇️

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

Components	Coverage Δ
dumpling	53.9957% <ø> (ø)
parser	∅ <ø> (∅)
br	51.4264% <ø> (+5.5706%)	⬆️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-02-26 09:25:02.641541091 +0000 UTC m=+867591.389164245: ☑️ agreed by hawkingrei.
• 2024-02-26 10:05:29.273799646 +0000 UTC m=+870018.021422757: ☑️ agreed by AilinKid.