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expression: keep xor result consistent with mysql 8 (#15934) #16976

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merged 3 commits into from May 13, 2020

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@sre-bot sre-bot commented May 6, 2020

cherry-pick #15934 to release-3.0


What problem does this PR solve?

The 'xor' result is different between tidb and mysql8

Issue Number: close #12867

Problem Summary:

What is changed and how it works?

What's Changed:

Keep xor result consistent with MySQL 8, instead of MySQL 5.7

Related changes

Check List

Tests

  • Unit test
  • Integration test

Side effects

  • Breaking backward compatibility

Release note

  • keep xor results of float arguments consistent with mysql 8

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sre-bot commented May 6, 2020

/run-all-tests

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/rebuild

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/run-common-test tidb-test=pr/1051
/run-integration-common-test tidb-test=pr/1051

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LGTM

@zz-jason zz-jason added the status/LGT1 Indicates that a PR has LGTM 1. label May 7, 2020
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LGTM

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/run-all-tests

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/rebuild

@SunRunAway SunRunAway merged commit 2e6c1ba into pingcap:release-3.0 May 13, 2020
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5 participants