planner: push necessary predicates without virtual column down through UnionScan (#54985) | tidb-test=release-6.5 plugin=release-6.5

[qw4990]

This is an automated cherry-pick of #54985

What problem does this PR solve?

Issue Number: close #54870

Problem Summary: planner: push necessary predicates without virtual column down through UnionScan

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]

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[qw4990]

/retest

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-08-02 03:24:56.453404801 +0000 UTC m=+59893.672166391: ☑️ agreed by hawkingrei.
• 2024-08-02 03:37:48.892465609 +0000 UTC m=+60666.111227217: ☑️ agreed by time-and-fate.

[qw4990]

/retest

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[qw4990]

/retest

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/retest

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-6.5-20240801-v6.5.10@ff2feb6). Learn more about missing BASE report.

Additional details and impacted files

@@                        Coverage Diff                        @@
##             release-6.5-20240801-v6.5.10     #55152   +/-   ##
=================================================================
  Coverage                                ?   73.7895%           
=================================================================
  Files                                   ?       1096           
  Lines                                   ?     353065           
  Branches                                ?          0           
=================================================================
  Hits                                    ?     260525           
  Misses                                  ?      75891           
  Partials                                ?      16649           

[qw4990]

/retest

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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