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util: fix a encode bug causes the wrong result of ... (#18855) #18859

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merged 2 commits into from
Jul 29, 2020

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cherry-pick #18855 to release-4.0


Signed-off-by: wjhuang2016 huangwenjun1997@gmail.com

What problem does this PR solve?

Issue Number: close #18850

Problem Summary:
Previously, we use the offset of set or enum to decide if two sets or enum are equal, which is not always correct.

What is changed and how it works?

What's Changed:
When encode set or enum, use the offset to get the original string

Related changes

  • Need to cherry-pick to the release branch

Check List

Tests

  • Unit test

Side effects

Release note

  • fix a encode bug causes the wrong result of hashJoin with set and enum

Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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/run-all-tests

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LGTM

@ti-srebot ti-srebot added the status/LGT1 Indicates that a PR has LGTM 1. label Jul 29, 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 Jul 29, 2020
@zz-jason zz-jason added the status/can-merge Indicates a PR has been approved by a committer. label Jul 29, 2020
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/run-all-tests

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@ti-srebot merge failed.

@zz-jason zz-jason changed the title util: fix a encode bug causes the wrong result of hashJoin with set and enum (#18855) util: fix a encode bug causes the wrong result of ... (#18855) Jul 29, 2020
@zz-jason zz-jason merged commit d010ff7 into pingcap:release-4.0 Jul 29, 2020
@imtbkcat imtbkcat modified the milestones: v4.0.5, v4.0.4 Aug 5, 2020
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5 participants