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executor: reset groupChecker for StreamAggExec when Close #10615

Merged
merged 3 commits into from
May 29, 2019
Merged

executor: reset groupChecker for StreamAggExec when Close #10615

merged 3 commits into from
May 29, 2019

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XuHuaiyu
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What problem does this PR solve?

Fix #10608

What is changed and how it works?

Reset StreamAggExec.groupChecker when Close.

Check List

Tests

  • Integration test

Code changes

  • Has exported function/method change

Side effects
N/A

Related changes

  • Need to cherry-pick to the release branch

@XuHuaiyu XuHuaiyu added type/bugfix This PR fixes a bug. sig/execution SIG execution labels May 28, 2019
@XuHuaiyu
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/run-all-tests

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codecov bot commented May 28, 2019 •
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Codecov Report

Merging #10615 into master will increase coverage by 0.0152%.
The diff coverage is 100%.

@@               Coverage Diff                @@
##             master     #10615        +/-   ##
================================================
+ Coverage   77.6763%   77.6916%   +0.0152%     
================================================
  Files           413        413                
  Lines         87553      87559         +6     
================================================
+ Hits          68008      68026        +18     
+ Misses        14387      14381         -6     
+ Partials       5158       5152         -6

alivxxx
alivxxx reviewed May 28, 2019
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LGTM

@alivxxx alivxxx added the status/LGT1 Indicates that a PR has LGTM 1. label May 28, 2019
winoros
winoros approved these changes May 28, 2019
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lgtm

@qw4990 qw4990 added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels May 29, 2019
@XuHuaiyu XuHuaiyu merged commit 0324cf5 into pingcap:master May 29, 2019
XuHuaiyu added a commit to XuHuaiyu/tidb that referenced this pull request May 29, 2019
@XuHuaiyu
executor: reset groupChecker for StreamAggExec when Close (pingcap#10615
8c6307a 
)
@XuHuaiyu XuHuaiyu mentioned this pull request May 29, 2019
Merged
zz-jason pushed a commit that referenced this pull request May 30, 2019
@XuHuaiyu @zz-jason
executor: reset groupChecker for StreamAggExec when Close (#10615) (#…
52dde3b 
…10636)
@XuHuaiyu XuHuaiyu deleted the fix_streamagg branch May 31, 2019 02:22
XuHuaiyu added a commit to XuHuaiyu/tidb that referenced this pull request May 31, 2019
@XuHuaiyu
executor: reset groupChecker for StreamAggExec when Close (pingcap#10615
788754a 
)
@XuHuaiyu XuHuaiyu mentioned this pull request May 31, 2019
Merged
zz-jason pushed a commit that referenced this pull request May 31, 2019
@XuHuaiyu @zz-jason
executor: reset groupChecker for StreamAggExec when Close (#10615) (#…
babf93f 
…10670)
cosven
cosven reviewed Oct 23, 2019
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executor/aggregate_test.go
func (s *testSuite1) TestIssue10608(c *C) {
tk := testkit.NewTestKitWithInit(c, s.store)
tk.MustExec(`drop table if exists t, s;`)
tk.MustExec("create table t(a int)")
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this test case currently does not cover the bug since it can't reproduce the bug.

we should modify this line to create table t(a int primary key);

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@XuHuaiyu XuHuaiyu Oct 23, 2019 •
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What do you mean by it can't reproduce the bug?
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@cosven cosven Oct 23, 2019 •
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what I expect
this test case should fail in previous commits(version), such as 3.0.0-beta
it should return error 1105 - subquery returns more than 1 row

what I saw instead
it passed.

What do you mean by it can't reproduce the bug?

this test case can't prove this PR fixes the bug described in issue #10608, because this unittest case will always pass.

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@cosven cosven cosven left review comments

@alivxxx alivxxx alivxxx left review comments

@winoros winoros winoros approved these changes

@qw4990 qw4990 Awaiting requested review from qw4990

@eurekaka eurekaka Awaiting requested review from eurekaka

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Successfully merging this pull request may close these issues.

GROUP_CONCAT error. subquery returns more than 1 row
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@XuHuaiyu @cosven @winoros @alivxxx @qw4990 @ngaut