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Merge pull request #31883 from CurtizJ/fix-empty-uuid

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Fix function `empty` with `UUID` type
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alexey-milovidov 2021-11-27 00:23:47 +03:00 committed by GitHub
commit 75ac0f72bc
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3 changed files with 12 additions and 1 deletions
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2
src/Functions/EmptyImpl.h
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@ -58,7 +58,7 @@ struct EmptyImpl
static void uuid(const ColumnUUID::Container & container, size_t n, PaddedPODArray<UInt8> & res)
{
for (size_t i = 0; i < n; ++i)
res[i] = negative ^ (container.data()->toUnderType() == 0);
res[i] = negative ^ (container[i].toUnderType() == 0);
}
};

4
tests/queries/0_stateless/02124_empty_uuid.reference Normal file
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@ -0,0 +1,4 @@
00000000-0000-0000-0000-000000000000 1
992f6910-42b2-43cd-98bc-c812fbf9b683 0
992f6910-42b2-43cd-98bc-c812fbf9b683 0
00000000-0000-0000-0000-000000000000 1

7
tests/queries/0_stateless/02124_empty_uuid.sql Normal file
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@ -0,0 +1,7 @@
SELECT
arrayJoin([toUUID('00000000-0000-0000-0000-000000000000'), toUUID('992f6910-42b2-43cd-98bc-c812fbf9b683')]) AS x,
empty(x) AS emp;
SELECT
arrayJoin([toUUID('992f6910-42b2-43cd-98bc-c812fbf9b683'), toUUID('00000000-0000-0000-0000-000000000000')]) AS x,
empty(x) AS emp;