executor: update memIndexLookUp to make it can read partition table correctly and add more cases about dynamic-mode with UnionScan

[qw4990]

What problem does this PR solve?

Issue Number: close #24150

Problem Summary: executor: update memIndexLookUp to make it can read partition table correctly and add more cases about dynamic-mode with UnionScan

What is changed and how it works?

executor: update memIndexLookUp to make it can read partition table correctly and add more cases about dynamic-mode with UnionScan.

Check List

Tests

• Unit test

Release note

• executor: update memIndexLookUp to make it can read partition table correctly and add more cases about dynamic-mode with UnionScan

[tiancaiamao]

/LGTM

[rebelice]

/lgtm

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• rebelice
• tiancaiamao

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[qw4990]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 329dd37

[qw4990]

/run-check_dev_2

[tisonkun]

@qw4990 did this pr close #24150 accidentally? I think it is ref to the issue instead of closing it.