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expression: ignore NULL in handle binary literal #49529

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YangKeao
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This is a manually cherry-pick of #49527

What problem does this PR solve?

Issue Number: close #49526

Problem Summary:

What changed and how does it work?

Ignore the TypeNull in HandleBinaryLiteral, as the castStringToString will actually do nothing for NULL (except changing the type).

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

None

Signed-off-by: Yang Keao <yangkeao@chunibyo.icu>
@ti-chi-bot ti-chi-bot bot added release-note-none Denotes a PR that doesn't merit a release note. size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Dec 17, 2023
Signed-off-by: Yang Keao <yangkeao@chunibyo.icu>
@ti-chi-bot ti-chi-bot bot added size/M Denotes a PR that changes 30-99 lines, ignoring generated files. and removed size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Dec 17, 2023
@wuhuizuo
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/test build

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tiprow bot commented Dec 17, 2023

@wuhuizuo: No presubmit jobs available for pingcap/tidb@release-6.5-20230706-v6.5.3

In response to this:

/test build

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

@YangKeao
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/retest

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@jackysp jackysp left a comment

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LGTM

@ti-chi-bot ti-chi-bot bot added needs-1-more-lgtm Indicates a PR needs 1 more LGTM. approved labels Dec 17, 2023
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@windtalker windtalker left a comment

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LGTM

@ti-chi-bot ti-chi-bot bot added the lgtm label Dec 17, 2023
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ti-chi-bot bot commented Dec 17, 2023

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jackysp, windtalker

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@ti-chi-bot ti-chi-bot bot removed the needs-1-more-lgtm Indicates a PR needs 1 more LGTM. label Dec 17, 2023
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ti-chi-bot bot commented Dec 17, 2023

[LGTM Timeline notifier]

Timeline:

  • 2023-12-17 14:06:56.69541313 +0000 UTC m=+797107.732640043: ☑️ agreed by jackysp.
  • 2023-12-17 14:07:45.954161699 +0000 UTC m=+797156.991388626: ☑️ agreed by windtalker.

@ti-chi-bot ti-chi-bot bot merged commit 08591f7 into pingcap:release-6.5-20230706-v6.5.3 Dec 17, 2023
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4 participants