*: fix cannot get column info from generate column (#55447)

[ti-chi-bot]

This is an automated cherry-pick of #55447

What problem does this PR solve?

Issue Number: close #55438

Problem Summary:

What changed and how does it work?

When we deal with analyze statement, it cannot contain the planCtx. so we have to get column meta from the infoschema.

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: hawkingrei

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-18 16:22:01.460576782 +0000 UTC m=+1064591.201000721: ☑️ agreed by hawkingrei.

[ti-chi-bot]

@ti-chi-bot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/check_dev_2	ae90afd	link	true	/test check-dev2
idc-jenkins-ci-tidb/unit-test	ae90afd	link	true	/test unit-test
idc-jenkins-ci-tidb/mysql-test	ae90afd	link	true	/test mysql-test
idc-jenkins-ci-tidb/check_dev	ae90afd	link	true	/test check-dev
idc-jenkins-ci-tidb/build	ae90afd	link	true	/test build

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[hawkingrei]

it is dependency on the #50997. so it is hard to fix.

[hawkingrei]

it has no problem in the v7.5

[ti-chi-bot]

This cherry pick PR is for a release branch and has not yet been approved by triage owners.
Adding the do-not-merge/cherry-pick-not-approved label.

To merge this cherry pick:

1. It must be approved by the approvers firstly.
2. AFTER it has been approved by approvers, please wait for the cherry-pick merging approval from triage owners.

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