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sessionctx: fix a bug where update stmt not considered when clipping negative num to 0 (#19605) #19772

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merged 2 commits into from
Sep 5, 2020

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cherry-pick #19605 to release-3.0


What problem does this PR solve?

Issue Number: close #13150

Problem Summary:
Update stmt is not considered in ShouldClipToZero(), which would cause the check is bypassed when trying to set an unsigned field to a negative number.

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Tests

  • Unit test

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  • no release note

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/run-all-tests

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@time-and-fate please accept the invitation then you can push to the cherry-pick pull requests.
https://github.com/ti-srebot/tidb/invitations

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LGTM

@ti-srebot ti-srebot added the status/LGT1 Indicates that a PR has LGTM 1. label Sep 3, 2020
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LGTM

@ti-srebot ti-srebot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Sep 5, 2020
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zz-jason commented Sep 5, 2020

/merge

@ti-srebot ti-srebot added the status/can-merge Indicates a PR has been approved by a committer. label Sep 5, 2020
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Your auto merge job has been accepted, waiting for:

  • 19647
  • 19776

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/run-all-tests

@ti-srebot ti-srebot merged commit bfe5e2f into pingcap:release-3.0 Sep 5, 2020
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4 participants