planner: fix panic error when subquery + always true predicate in where clause (#53525)

[ti-chi-bot]

This is an automated cherry-pick of #53525

What problem does this PR solve?

Issue Number: close #46962

Problem Summary:

What changed and how does it work?

Skip the partial agg mode check in the key_build_info when the agg function is empty.

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

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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 [AilinKid,hawkingrei]

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:

• 2024-11-04 08:08:43.422564825 +0000 UTC m=+855636.261720372: ☑️ agreed by hawkingrei.
• 2024-11-08 07:37:50.987302489 +0000 UTC m=+1199383.826458203: ☑️ agreed by AilinKid.

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.

Please upload report for BASE (release-7.1@ba09647). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.1     #57102   +/-   ##
================================================
  Coverage               ?   73.4813%           
================================================
  Files                  ?       1212           
  Lines                  ?     381082           
  Branches               ?          0           
================================================
  Hits                   ?     280024           
  Misses                 ?      83189           
  Partials               ?      17869