[DNM] ddl, tables: test branch for modify column

[joechenrh]

What problem does this PR solve?

Issue Number: close #xxx

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

[tiprow]

Hi @joechenrh. Thanks for your PR.

PRs from untrusted users cannot be marked as trusted with /ok-to-test in this repo meaning untrusted PR authors can never trigger tests themselves. Collaborators can still trigger tests on the PR using /test all.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.1039%. Comparing base (a84aea0) to head (1347d54).
⚠️ Report is 6 commits behind head on master.

⚠️ Current head 1347d54 differs from pull request most recent head 7e217af

Please upload reports for the commit 7e217af to get more accurate results.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #64127        +/-   ##
================================================
+ Coverage   72.7425%   74.1039%   +1.3614%     
================================================
  Files          1854       1876        +22     
  Lines        501719     509741      +8022     
================================================
+ Hits         364963     377738     +12775     
+ Misses       114581     108342      -6239     
- Partials      22175      23661      +1486     

Flag	Coverage Δ
integration	45.8127% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	52.8700% <ø> (ø)
parser	∅ <ø> (∅)
br	61.9448% <ø> (+15.5596%)	⬆️

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
Once this PR has been reviewed and has the lgtm label, please assign tangenta for approval. For more information see the Code Review Process.
Please ensure that each of them provides their approval before proceeding.

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Needs approval from an approver in each of these files:

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[ti-chi-bot]

[FORMAT CHECKER NOTIFICATION]

Notice: To remove the do-not-merge/needs-linked-issue label, please provide the linked issue number on one line in the PR body, for example: Issue Number: close #123 or Issue Number: ref #456.

_{📖 For more info, you can check the "Contribute Code" section in the development guide.}

[ti-chi-bot]

@joechenrh: 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
pull-mysql-client-test-next-gen	7e217af	link	true	/test pull-mysql-client-test-next-gen
idc-jenkins-ci-tidb/check_dev	7e217af	link	true	/test check-dev
pull-mysql-client-test	7e217af	link	true	/test pull-mysql-client-test
pull-unit-test-next-gen	7e217af	link	true	/test pull-unit-test-next-gen
pull-integration-e2e-test	7e217af	link	true	/test pull-integration-e2e-test
idc-jenkins-ci-tidb/mysql-test	7e217af	link	true	/test mysql-test
pull-unit-test-ddlv1	7e217af	link	true	/test pull-unit-test-ddlv1
idc-jenkins-ci-tidb/unit-test	7e217af	link	true	/test unit-test
idc-jenkins-ci-tidb/check_dev_2	7e217af	link	true	/test check-dev2
pull-build-next-gen	7e217af	link	true	/test pull-build-next-gen
idc-jenkins-ci-tidb/build	7e217af	link	true	/test build
pull-integration-realcluster-test-next-gen	7e217af	link	true	/test pull-integration-realcluster-test-next-gen
pull-br-integration-test	7e217af	link	true	/test pull-br-integration-test
pull-lightning-integration-test	7e217af	link	true	/test pull-lightning-integration-test

Full PR test history. Your PR dashboard.

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