planner: avoid nil PhysicalProperty when to build agg

[hawkingrei]

What problem does this PR solve?

Issue Number: close #55169

Problem Summary:

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.7559%. Comparing base (5aad7df) to head (3f39f94).
Report is 5 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #55201        +/-   ##
================================================
+ Coverage   72.8978%   74.7559%   +1.8580%     
================================================
  Files          1569       1570         +1     
  Lines        439212     441620      +2408     
================================================
+ Hits         320176     330137      +9961     
+ Misses        99399      91280      -8119     
- Partials      19637      20203       +566     

Flag	Coverage Δ
integration	49.4723% <88.4615%> (?)
unit	71.7333% <73.0769%> (-0.1613%)	⬇️

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

Components	Coverage Δ
dumpling	52.9567% <ø> (ø)
parser	∅ <ø> (∅)
br	52.4987% <ø> (+6.5965%)	⬆️

[hawkingrei]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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

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Needs approval from an approver in each of these files:

• pkg/planner/OWNERS [AilinKid,winoros]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-08-06 04:52:01.160859561 +0000 UTC m=+327651.027958649: ☑️ agreed by winoros.
• 2024-08-06 06:42:35.353245556 +0000 UTC m=+334285.220344641: ☑️ agreed by AilinKid.

[hawkingrei]

/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1

[ti-chi-bot]

@hawkingrei: new pull request created to branch release-7.1: #55238.

In response to this:

/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[ti-chi-bot]

@hawkingrei: new pull request created to branch release-7.5: #55239.

In response to this:

/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[ti-chi-bot]

@hawkingrei: new pull request created to branch release-8.1: #55240.

In response to this:

/cherrypick release-8.1
/cherrypick release-7.5
/cherrypick release-7.1

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.