*: refactor the way to get extraIDs

[chrysan]

What problem does this PR solve?

Issue Number: close #45036

Problem Summary:

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

[ti-chi-bot]

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[tiprow]

Hi @chrysan. Thanks for your PR.

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[hawkingrei]

/ok-to-test

[ti-chi-bot]

PR needs rebase.

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[tiprow]

@chrysan: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
tiprow_fast_test	106feee	link	true	/test fast_test_tiprow

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[ti-chi-bot]

@chrysan: 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/build	106feee	link	true	/test build
idc-jenkins-ci-tidb/check_dev_2	106feee	link	true	/test check-dev2
idc-jenkins-ci-tidb/mysql-test	106feee	link	true	/test mysql-test
idc-jenkins-ci-tidb/check_dev	106feee	link	true	/test check-dev
pull-mysql-client-test	106feee	link	true	/test pull-mysql-client-test
pull-integration-ddl-test	106feee	link	true	/test pull-integration-ddl-test
idc-jenkins-ci-tidb/unit-test	106feee	link	true	/test unit-test
pull-br-integration-test	106feee	link	true	/test pull-br-integration-test
pull-lightning-integration-test	106feee	link	true	/test pull-lightning-integration-test
pull-integration-e2e-test	106feee	link	true	/test pull-integration-e2e-test

Full PR test history. Your PR dashboard.

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. I understand the commands that are listed here.