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Fix possible wrong result during anyHeavy state merge

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This commit is contained in:
Raúl Marín 2024-08-27 13:44:17 +02:00
parent 674cddc969
commit c1a83f4734
3 changed files with 8 additions and 0 deletions
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3
src/AggregateFunctions/AggregateFunctionAnyHeavy.cpp
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@ -68,7 +68,10 @@ public:
if (data().isEqualTo(to.data()))
counter += to.counter;
else if (!data().has() || counter < to.counter)
{
data().set(to.data(), arena);
counter = to.counter - counter;
}
else
counter -= to.counter;
}

1
tests/queries/0_stateless/03230_anyHeavy_merge.reference Normal file
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@ -0,0 +1 @@
a

4
tests/queries/0_stateless/03230_anyHeavy_merge.sql Normal file
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@ -0,0 +1,4 @@
DROP TABLE IF EXISTS t;
CREATE TABLE t (letter String) ENGINE=MergeTree order by () partition by letter;
INSERT INTO t VALUES ('a'), ('a'), ('a'), ('a'), ('b'), ('a'), ('a'), ('a'), ('a'), ('a'), ('a'), ('a'), ('a'), ('a'), ('a'), ('a'), ('c');
SELECT anyHeavy(if(letter != 'b', letter, NULL)) FROM t;