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collation: support latin1_swedish_ci#10780

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kennytm:latin1_swedish_ci
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collation: support latin1_swedish_ci#10780
kennytm wants to merge 1 commit intopingcap:masterfrom
kennytm:latin1_swedish_ci

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@kennytm kennytm commented Mar 29, 2026

What problem does this PR solve?

Issue Number: close #10779

Problem Summary:

What is changed and how it works?

Support the `latin1_swedish_ci` collation for MPP processing from TiDB.

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

Support `latin1_swedish_ci` collation

Signed-off-by: kennytm <kennytm@gmail.com>
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ti-chi-bot bot commented Mar 29, 2026

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

@ti-chi-bot ti-chi-bot 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. labels Mar 29, 2026
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ti-chi-bot bot commented Mar 29, 2026

[APPROVALNOTIFIER] This PR is NOT APPROVED

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coderabbitai bot commented Mar 29, 2026

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@ti-chi-bot ti-chi-bot bot added the size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. label Mar 29, 2026
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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.

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Support latin1_swedish_ci collation

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