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Merge pull request #24116 from hexiaoting/dev_explain

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Fix bug for explain pipeline
This commit is contained in:
Maksim Kita 2021-05-15 01:41:27 +03:00 committed by GitHub
commit e785029ead
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3 changed files with 42 additions and 1 deletions
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2
src/Processors/Pipe.cpp
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@ -834,7 +834,7 @@ void Pipe::transform(const Transformer & transformer)
if (collected_processors)
{
for (const auto & processor : processors)
for (const auto & processor : new_processors)
collected_processors->emplace_back(processor);
}

31
tests/queries/0_stateless/01861_explain_pipeline.reference Normal file
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@ -0,0 +1,31 @@
(Expression)
ExpressionTransform
(SettingQuotaAndLimits)
(Expression)
ExpressionTransform
(MergingFinal)
ReplacingSorted 2 → 1
(Expression)
ExpressionTransform × 2
(ReadFromMergeTree)
MergeTree × 2 0 → 1
0 0
1 1
2 2
3 3
4 4
5 5
6 6
(Expression)
ExpressionTransform × 2
(SettingQuotaAndLimits)
(Expression)
ExpressionTransform × 2
(MergingFinal)
ReplacingSorted × 2 2 → 1
Copy × 2 1 → 2
AddingSelector × 2
(Expression)
ExpressionTransform × 2
(ReadFromMergeTree)
MergeTree × 2 0 → 1

10
tests/queries/0_stateless/01861_explain_pipeline.sql Normal file
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@ -0,0 +1,10 @@
DROP TABLE IF EXISTS test;
CREATE TABLE test(a Int, b Int) Engine=ReplacingMergeTree order by a;
INSERT INTO test select number, number from numbers(5);
INSERT INTO test select number, number from numbers(5,2);
set max_threads =1;
explain pipeline select * from test final;
select * from test final;
set max_threads =2;
explain pipeline select * from test final;
DROP TABLE test;