dumpling: force sort for table sample | tidb-test=2d8288cf58aec9d381d09da70b18fd27855ed597

[lichunzhu]

What problem does this PR solve?

Issue Number: ref #48253

Problem Summary:

What is changed and how it works?

force sort for table sample by using COALESCE.

Check List

Tests

• Manual test (add detailed scripts or steps below)
  Manual using dumpling to dump false data and it works now.

Side effects

• None

Documentation

• None

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[tiprow]

Hi @lichunzhu. Thanks for your PR.

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[lichunzhu]

/retest

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@lichunzhu: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

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/retest

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[lichunzhu]

/retest

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@lichunzhu: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

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[lichunzhu]

/retest

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@lichunzhu: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

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[GMHDBJD]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: GMHDBJD, lance6716

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-11-07 01:35:23.988659801 +0000 UTC m=+3521721.575769945: ☑️ agreed by lance6716.
• 2023-11-08 06:28:21.343706825 +0000 UTC m=+3625698.930816969: ☑️ agreed by GMHDBJD.

[lichunzhu]

/retest

[tiprow]

@lichunzhu: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest

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[lichunzhu]

/retest

[tiprow]

@lichunzhu: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest

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[lichunzhu]

/ok-to-test

[purelind]

/test mysql-test

[tiprow]

@purelind: No presubmit jobs available for pingcap/tidb@release-6.5-20230425-v6.5.2

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/test mysql-test

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #48432.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #48433.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #48434.