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executor: fix wrong outer join result when filter outer side using index merge join (#20407) #20427

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merged 2 commits into from
Oct 15, 2020

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cherry-pick #20407 to release-4.0


What problem does this PR solve?

Issue Number: close #20400

What is changed and how it works?

What's Changed: move outer match to task struct.

Related changes

  • 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 outer join result when filter outer side using index merge join.

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

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@winoros winoros left a comment

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lgtm

@ti-srebot ti-srebot added the status/LGT1 Indicates that a PR has LGTM 1. label Oct 13, 2020
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@XuHuaiyu XuHuaiyu left a comment

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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 Oct 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 Oct 14, 2020
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/run-all-tests

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/merge

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/run-all-tests

@ti-srebot ti-srebot merged commit 8968d39 into pingcap:release-4.0 Oct 15, 2020
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4 participants