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Fix error result union scan with apply (#19245) #19297

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merged 3 commits into from
Aug 20, 2020

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cherry-pick #19245 to release-3.0


What problem does this PR solve?

Issue Number: partially solved #19136 for version before 4.0

Problem Summary:

Apply executor would read UnionScan multiple times, so we need to reset some variables in the executor.

What is changed and how it works?

What's Changed:

Implement Close for UnionScan.

Related changes

  • Need to cherry-pick to the 4.0, 3.0 and 3.1

Check List

Tests

  • Unit test

Side effects

No side effects.

Release note

  • Fix error result of apply with union scan on 4.0, 3.0 and 3.1.

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/run-all-tests

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@ichn-hu 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 Aug 19, 2020
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LGTM

@wshwsh12 wshwsh12 added this to the v3.0.18 milestone Aug 20, 2020
@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 20, 2020
@ti-srebot ti-srebot added status/LGT3 The PR has already had 3 LGTM. and removed status/LGT2 Indicates that a PR has LGTM 2. labels Aug 20, 2020
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jebter commented Aug 20, 2020

/merge

@ti-srebot ti-srebot added the status/can-merge Indicates a PR has been approved by a committer. label Aug 20, 2020
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/run-all-tests

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jebter commented Aug 20, 2020

/run-unit-test

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@ti-srebot merge failed.

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jebter commented Aug 20, 2020

/merge

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/run-all-tests

@ti-srebot ti-srebot merged commit 55615b6 into pingcap:release-3.0 Aug 20, 2020
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6 participants