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ddl: check column data when execute alter table/column charset #34534

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ddl: check column data when execute alter table/column charset #34534

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Defined2014
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@Defined2014 Defined2014 commented May 10, 2022 •
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What problem does this PR solve?

Issue Number: close #34562

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.

An error will be reported when executing a alter charset statement with invalid data.

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ti-chi-bot commented May 10, 2022 •
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[REVIEW NOTIFICATION]

This pull request has been approved by:

  • zimulala

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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@ti-chi-bot ti-chi-bot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. release-note Denotes a PR that will be considered when it comes time to generate release notes. size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels May 10, 2022
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sre-bot commented May 10, 2022 •
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Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/da6dfb80a308ae845b4bbf5a534a99d6dc448f46

@Defined2014 Defined2014 changed the title [WIP] ddl: support check column data when execute alter table/column charset ddl: check column data when execute alter table/column charset May 11, 2022
@ti-chi-bot ti-chi-bot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label May 11, 2022
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/run-check-issue-triage-complete

@hawkingrei hawkingrei self-requested a review May 13, 2022 06:08
@ti-chi-bot ti-chi-bot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels May 16, 2022
tangenta
tangenta reviewed May 16, 2022
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@Defined2014 @zimulala
Update ddl/table.go
da6dfb8 
Co-authored-by: Lynn <zimu_xia@126.com>
zimulala
zimulala approved these changes May 17, 2022
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LGTM

@ti-chi-bot ti-chi-bot added the status/LGT1 Indicates that a PR has LGTM 1. label May 17, 2022
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This is not a good implementation, close it first.

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@tangenta tangenta tangenta left review comments

@zimulala zimulala zimulala approved these changes

@bb7133 bb7133 Awaiting requested review from bb7133

@hawkingrei hawkingrei Awaiting requested review from hawkingrei

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Support check invalid utf8 characters during Alter table ... charset stmts
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