planner: add Sysdate into deferredFunctions when enable SysdateIsNow (#49949)

[ti-chi-bot]

This is an automated cherry-pick of #49949

What problem does this PR solve?

Issue Number: close #49299

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

[AilinKid]

conflicts

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-02-09 02:54:03.530698267 +0000 UTC m=+498169.097468157: ☑️ agreed by AilinKid.
• 2024-02-12 05:21:50.330665186 +0000 UTC m=+766235.897435077: ☑️ agreed by hawkingrei.

[codecov]

Codecov Report

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Additional details and impacted files

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