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table: fix the issue that the default value for BIT column is wrong (#57303) #57357

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This is an automated cherry-pick of #57303

What problem does this PR solve?

Issue Number: close #57301, close #57312

Problem Summary:

  1. The CREATE TABLE statement didn't assert whether the default value for BIT is valid.
  2. The default value for BIT column is casted multiple times and may cause unexpected behavior.

What changed and how does it work?

  1. Revert part of types: convert string to MySQL BIT correctly #21310
  2. Validate the length of BIT default value.

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 ti-chi-bot added release-note-none Denotes a PR that doesn't merit a release note. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. type/cherry-pick-for-release-6.1 This PR is cherry-picked to release-6.1 from a source PR. labels Nov 13, 2024
@ti-chi-bot ti-chi-bot bot added do-not-merge/cherry-pick-not-approved size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. cherry-pick-approved Cherry pick PR approved by release team. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. do-not-merge/cherry-pick-not-approved labels Nov 13, 2024
Signed-off-by: Yang Keao <[email protected]>
@ti-chi-bot ti-chi-bot bot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels Dec 5, 2024
@YangKeao YangKeao changed the title table: fix the issue that the default value for BIT column is wrong | tidb-test=pr/2424 (#57303) table: fix the issue that the default value for BIT column is wrong (#57303) Dec 5, 2024
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YangKeao commented Dec 5, 2024

/retest

Signed-off-by: Yang Keao <[email protected]>
Signed-off-by: Yang Keao <[email protected]>
Signed-off-by: Yang Keao <[email protected]>
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ti-chi-bot bot commented Dec 6, 2024

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: wjhuang2016

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ti-chi-bot bot commented Dec 6, 2024

[LGTM Timeline notifier]

Timeline:

  • 2024-12-06 07:43:32.747873802 +0000 UTC m=+1400000.367528315: ☑️ agreed by wjhuang2016.

@ti-chi-bot ti-chi-bot bot added needs-1-more-lgtm Indicates a PR needs 1 more LGTM. approved labels Dec 6, 2024
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3 participants