*: Set collation to uint16

[dveeden]

What problem does this PR solve?

Issue Number: ref #52996

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

[ti-chi-bot[bot]]

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[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[tiprow[bot]]

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[dveeden]

/test all

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[dveeden]

/check-issue-triage-complete

[dveeden]

/test all

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[dveeden]

/test build

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[dveeden]

/ok-to-test

[dveeden]

/test build

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/test build

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@dveeden: The specified target(s) for /test were not found. The following commands are available to trigger required jobs:

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/test build

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@dveeden: The specified target(s) for /test were not found. The following commands are available to trigger required jobs:

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[dveeden]

/test build

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@dveeden: The specified target(s) for /test were not found. The following commands are available to trigger required jobs:

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Use /test all to run all jobs.

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[dveeden]

/test all

[dveeden]

/test all

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 55.5312%. Comparing base (c60f97d) to head (59639c5). Report is 942 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #52997        +/-   ##
================================================
- Coverage   57.7692%   55.5312%   -2.2380%     
================================================
  Files          1409       1614       +205     
  Lines        396668     603512    +206844     
================================================
+ Hits         229152     335138    +105986     
- Misses       150078     245334     +95256     
- Partials      17438      23040      +5602     

Flag	Coverage Δ
integration	37.1713% <66.6666%> (?)
unit	71.2499% <96.6666%> (+14.7144%)	:arrow_up:

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

Components	Coverage Δ
dumpling	53.9957% <ø> (∅)
parser	∅ <ø> (∅)
br	44.4775% <ø> (+43.8318%)	:arrow_up:

[ti-chi-bot[bot]]

[FORMAT CHECKER NOTIFICATION]

Notice: To remove the do-not-merge/needs-tests-checked label, please finished the tests then check the finished items in description.

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Tests

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[dveeden]

/test all

[dveeden]

/retest

[ti-chi-bot[bot]]

@dveeden: 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
idc-jenkins-ci-tidb/check_dev_2	59639c5c91eb96bdb9f1309eac40449632c76f3a	link	true	/test check-dev2

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[ti-chi-bot[bot]]

PR needs rebase.

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