planner: modify the physical proj elimination | tidb-test=pr/2145

[winoros]

What problem does this PR solve?

Issue Number: ref #45112

Problem Summary:

Don't let the physical projection elimination breaks the meaning of the UniqueID and the output columns.

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

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

[winoros]

/test mysql-test

[winoros]

/test mysql-test

[winoros]

/test mysql-test

[tiprow]

@winoros: No presubmit jobs available for pingcap/tidb@release-6.5-20230425-v6.5.2

In response to this:

/test mysql-test

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 kubernetes/test-infra repository.

[winoros]

/test mysql-test

[tiprow]

@winoros: No presubmit jobs available for pingcap/tidb@release-6.5-20230425-v6.5.2

In response to this:

/test mysql-test

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 kubernetes/test-infra repository.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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]

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:

• 2023-07-10 13:09:13.169382949 +0000 UTC m=+337444.939721662: ☑️ agreed by AilinKid.
• 2023-07-10 14:07:58.42943079 +0000 UTC m=+340970.199769520: ☑️ agreed by time-and-fate.