expression: correct the erroneous scalar function equivalence check (#54067)

[ti-chi-bot]

This is an automated cherry-pick of #54067

What problem does this PR solve?

Issue Number: close #53726

Problem Summary:

What changed and how does it work?

when planer call RemoveUnnecessaryFirstRow. it will check the expression between Agg and GroupBy. but it doesn't check the return type. so it get wrong unnecessary FirstRow.

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

[hawkingrei]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, qw4990

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [hawkingrei,qw4990]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-23 05:46:32.887409146 +0000 UTC m=+1458462.627833082: ☑️ agreed by hawkingrei.
• 2024-09-23 06:01:53.797082439 +0000 UTC m=+1459383.537506577: ☑️ agreed by qw4990.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-7.1@b75a314). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.1     #54118   +/-   ##
================================================
  Coverage               ?   73.4575%           
================================================
  Files                  ?       1211           
  Lines                  ?     380568           
  Branches               ?          0           
================================================
  Hits                   ?     279556           
  Misses                 ?      83158           
  Partials               ?      17854