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This is an automated cherry-pick of #15352

What is changed, added or deleted? (Required)

There's a limitation when LIKE 'prefix%' works with non-binary collation. This could cause performance regression.

Which TiDB version(s) do your changes apply to? (Required)

Tips for choosing the affected version(s):

By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.

For details, see tips for choosing the affected versions.

  • master (the latest development version)
  • v7.5 (TiDB 7.5 versions)
  • v7.4 (TiDB 7.4 versions)
  • v7.3 (TiDB 7.3 versions)
  • v7.1 (TiDB 7.1 versions)
  • v6.5 (TiDB 6.5 versions)
  • v6.1 (TiDB 6.1 versions)
  • v5.4 (TiDB 5.4 versions)
  • v5.3 (TiDB 5.3 versions)
  • v5.2 (TiDB 5.2 versions)
  • v5.1 (TiDB 5.1 versions)
  • v5.0 (TiDB 5.0 versions)

What is the related PR or file link(s)?

Do your changes match any of the following descriptions?

  • Delete files
  • Change aliases
  • Need modification after applied to another branch
  • Might cause conflicts after applied to another branch

@ti-chi-bot ti-chi-bot added lgtm size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. type/cherry-pick-for-release-7.4 This PR is cherry-picked to release-7.4 from a source PR. labels Nov 16, 2023
@ran-huang
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/approve

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ti-chi-bot bot commented Nov 16, 2023

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ran-huang

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@ti-chi-bot ti-chi-bot bot added the approved label Nov 16, 2023
@ti-chi-bot ti-chi-bot bot merged commit b8ac0f1 into pingcap:release-7.4 Nov 16, 2023
llkdd1 added a commit to llkdd1/docs that referenced this pull request Jan 10, 2024
ti-chi-bot pushed a commit to ti-chi-bot/docs that referenced this pull request Jan 16, 2024
ti-chi-bot pushed a commit to ti-chi-bot/docs that referenced this pull request Jan 16, 2024
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approved lgtm size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. type/cherry-pick-for-release-7.4 This PR is cherry-picked to release-7.4 from a source PR.
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3 participants