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Merge pull request #26374 from vdimir/infinite-pmj-fix

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Vladimir 2021-07-16 09:50:44 +03:00 committed by GitHub
commit c8ead44c23
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4 changed files with 38 additions and 5 deletions
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3
src/Interpreters/MergeJoin.cpp
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@ -1048,8 +1048,11 @@ private:
}
if (rows_added >= max_block_size)
{
++block_number;
break;
}
}
return rows_added;
}

5
src/Processors/Transforms/JoiningTransform.cpp
View File

@ -180,11 +180,9 @@ void JoiningTransform::transform(Chunk & chunk)
Block JoiningTransform::readExecute(Chunk & chunk)
{
Block res;
// std::cerr << "=== Chunk rows " << chunk.getNumRows() << " cols " << chunk.getNumColumns() << std::endl;
if (!not_processed)
{
// std::cerr << "!not_processed " << std::endl;
if (chunk.hasColumns())
res = inputs.front().getHeader().cloneWithColumns(chunk.detachColumns());
@ -193,7 +191,6 @@ Block JoiningTransform::readExecute(Chunk & chunk)
}
else if (not_processed->empty()) /// There's not processed data inside expression.
{
// std::cerr << "not_processed->empty() " << std::endl;
if (chunk.hasColumns())
res = inputs.front().getHeader().cloneWithColumns(chunk.detachColumns());
@ -202,12 +199,10 @@ Block JoiningTransform::readExecute(Chunk & chunk)
}
else
{
// std::cerr << "not not_processed->empty() " << std::endl;
res = std::move(not_processed->block);
join->joinBlock(res, not_processed);
}
// std::cerr << "Res block rows " << res.rows() << " cols " << res.columns() << std::endl;
return res;
}

16
tests/queries/0_stateless/01943_pmj_non_joined_stuck.reference Normal file
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@ -0,0 +1,16 @@
1
1
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1

19
tests/queries/0_stateless/01943_pmj_non_joined_stuck.sql Normal file
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@ -0,0 +1,19 @@
SET max_block_size = 6, join_algorithm = 'partial_merge';
SELECT count() == 4 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2]) AS s) AS js2 USING (s);
SELECT count() == 5 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2]) AS s) AS js2 USING (s);
SELECT count() == 6 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2]) AS s) AS js2 USING (s);
SELECT count() == 7 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2]) AS s) AS js2 USING (s);
SELECT count() == 8 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3]) AS s) AS js2 USING (s);
SELECT count() == 9 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3, 3]) AS s) AS js2 USING (s);
SELECT count() == 10 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3, 3, 3]) AS s) AS js2 USING (s);
SELECT count() == 11 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3]) AS s) AS js2 USING (s);
SELECT count() == 12 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3]) AS s) AS js2 USING (s);
SELECT count() == 13 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3]) AS s) AS js2 USING (s);
SELECT count() == 14 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3]) AS s) AS js2 USING (s);
SELECT count() == 15 FROM (SELECT 1 AS s) AS js1 ALL RIGHT JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3]) AS s) AS js2 USING (s);
SELECT count() == 8 FROM (SELECT 1 AS s) AS js1 FULL JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2]) AS s) AS js2 USING (s);
SELECT count() == 9 FROM (SELECT 1 AS s) AS js1 FULL JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3]) AS s) AS js2 USING (s);
SELECT count() == 10 FROM (SELECT 1 AS s) AS js1 FULL JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3, 3]) AS s) AS js2 USING (s);
SELECT count() == 11 FROM (SELECT 1 AS s) AS js1 FULL JOIN (SELECT arrayJoin([2, 2, 2, 2, 2, 2, 2, 3, 3, 3]) AS s) AS js2 USING (s);