planner: fix the issue that the optimizer terminates the optimization process for DataSource too early (#48186)

[ti-chi-bot]

This is an automated cherry-pick of #48186

What problem does this PR solve?

Issue Number: close #46177

Problem Summary: planner: fix the issue that the optimizer terminates the optimization process for DataSource too early

What is changed and how it works?

fix the issue that the optimizer terminates the optimization process for DataSource too early

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, time-and-fate

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-11-03 08:36:35.941742843 +0000 UTC m=+3201393.528852987: ☑️ agreed by time-and-fate.
• 2023-11-03 08:55:28.538868297 +0000 UTC m=+3202526.125978442: ☑️ agreed by AilinKid.