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types: fix wrong hash key for decimal (#19131) #19185

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merged 3 commits into from
Aug 14, 2020

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cherry-pick #19131 to release-3.0


What problem does this PR solve?

Issue Number: close #19112

What is changed and how it works?

What's Changed: MyDecimal.ToHashKey should consider the length of int and Frac.

Related changes

  • PR to update pingcap/docs/pingcap/docs-cn:
  • Need to cherry-pick to the release branch

Check List

Tests

  • Unit test
  • Integration test

Side effects

  • Performance regression
    • Consumes more CPU
    • Consumes more MEM

Release note

  • fix wrong hash key for decimal

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/run-all-tests

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@wshwsh12 wshwsh12 left a comment

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lgtm

@ti-srebot ti-srebot added the status/LGT1 Indicates that a PR has LGTM 1. label Aug 14, 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 Aug 14, 2020
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/merge

@ti-srebot ti-srebot added the status/can-merge Indicates a PR has been approved by a committer. label Aug 14, 2020
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/run-all-tests

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/merge

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@ti-srebot merge failed.

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/run-all-tests

@ti-srebot ti-srebot merged commit dab3d93 into pingcap:release-3.0 Aug 14, 2020
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4 participants