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Cast to enum nullable fix

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This commit is contained in:
Maksim Kita 2021-03-23 14:58:00 +03:00
parent afa24938bc
commit 75f5679bf0
2 changed files with 5 additions and 0 deletions
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4
src/Functions/FunctionsConversion.h
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@ -2774,12 +2774,16 @@ private:
auto & out_data = static_cast<typename EnumType::ColumnType &>(*res).getData();
out_data.resize(size);
auto default_enum_value = result_type.getValues().front().second;
if (nullable_col)
{
for (const auto i : ext::range(0, size))
{
if (!nullable_col->isNullAt(i))
out_data[i] = result_type.getValue(col->getDataAt(i));
else
out_data[i] = default_enum_value;
}
}
else

1
tests/queries/0_stateless/01761_cast_to_enum_nullable.sql Normal file
View File

@ -0,0 +1 @@
SELECT toUInt8(assumeNotNull(cast(cast(NULL, 'Nullable(String)'), 'Nullable(Enum8(\'Hello\' = 1))')));