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allow empty inputs for arrayZip or arrayZipUnaligned

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taiyang-li 2024-09-13 10:46:38 +08:00
parent 09f22920d9
commit 8a89d7b2b9
1 changed files with 8 additions and 8 deletions
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16
src/Functions/array/arrayZip.cpp
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@ -38,13 +38,6 @@ public:
DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override
{
if (arguments.empty())
throw Exception(
ErrorCodes::TOO_FEW_ARGUMENTS_FOR_FUNCTION,
"Function {} needs at least one argument; passed {}.",
getName(),
arguments.size());
DataTypes arguments_types;
for (size_t index = 0; index < arguments.size(); ++index)
{
@ -68,9 +61,16 @@ public:
}
ColumnPtr
executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr & /*result_type*/, size_t input_rows_count) const override
executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr & result_type, size_t input_rows_count) const override
{
size_t num_arguments = arguments.size();
if (num_arguments == 0)
{
auto res_col = result_type->createColumn();
res_col->insertDefault();
return ColumnConst::create(std::move(res_col), input_rows_count);
}
Columns holders(num_arguments);
Columns tuple_columns(num_arguments);