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

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None

[tiprow]

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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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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-02-26 07:10:48.952280755 +0000 UTC m=+859537.699903864: ☑️ agreed by hawkingrei.
• 2024-02-26 07:12:25.406539079 +0000 UTC m=+859634.154162190: ☑️ agreed by AilinKid.

[codecov]

Codecov Report

Merging #51314 (3088efe) into master (15a8459) will decrease coverage by 17.2438%.
The diff coverage is n/a.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #51314         +/-   ##
=================================================
- Coverage   70.6398%   53.3960%   -17.2438%     
=================================================
  Files          1459       1568        +109     
  Lines        434200     602985     +168785     
=================================================
+ Hits         306718     321970      +15252     
- Misses       108254     259102     +150848     
- Partials      19228      21913       +2685     

Flag	Coverage Δ
integration	18.8700% <ø> (?)

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	47.7561% <ø> (+1.8816%)	⬆️