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Merge pull request #49971 from azat/revert-48593-group_array_nullable

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[RFC] Revert "`groupArray` returns cannot be nullable"
This commit is contained in:
Alexey Milovidov 2023-05-18 09:17:42 +03:00 committed by GitHub
commit 5065049154
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6 changed files with 4 additions and 12 deletions
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2
src/AggregateFunctions/AggregateFunctionGroupArray.cpp
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@ -121,7 +121,7 @@ AggregateFunctionPtr createAggregateFunctionGroupArraySample(
void registerAggregateFunctionGroupArray(AggregateFunctionFactory & factory)
{
AggregateFunctionProperties properties = { .returns_default_when_only_null = true, .is_order_dependent = true };
AggregateFunctionProperties properties = { .returns_default_when_only_null = false, .is_order_dependent = true };
factory.registerFunction("groupArray", { createAggregateFunctionGroupArray<false>, properties });
factory.registerFunction("groupArraySample", { createAggregateFunctionGroupArraySample, properties });

2
src/AggregateFunctions/AggregateFunctionNull.cpp
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@ -72,7 +72,7 @@ public:
{
/// Currently the only functions that returns not-NULL on all NULL arguments are count and uniq, and they returns UInt64.
if (properties.returns_default_when_only_null)
return std::make_shared<AggregateFunctionNothing>(arguments, params, nested_function->getResultType());
return std::make_shared<AggregateFunctionNothing>(arguments, params, std::make_shared<DataTypeUInt64>());
else
return std::make_shared<AggregateFunctionNothing>(arguments, params, std::make_shared<DataTypeNullable>(std::make_shared<DataTypeNothing>()));
}

2
tests/queries/0_stateless/00529_orantius.reference
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@ -3,7 +3,7 @@
1
1
[[1],[-1]]
[]
\N
1
42 42
[NULL,'','',NULL]

2
tests/queries/0_stateless/01664_array_slice_ubsan.reference
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@ -1 +1 @@
['\0','\0','\0']
[0,0,0]

3
tests/queries/0_stateless/02713_group_array_nullable.reference
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@ -1,3 +0,0 @@
[1]
[0,1,2,3,4,5,6,7,8,9]
[8,9]

5
tests/queries/0_stateless/02713_group_array_nullable.sql
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@ -1,5 +0,0 @@
SET aggregate_functions_null_for_empty = 1;
SELECT groupArray(1);
SELECT groupArray(number) FROM numbers(10);
SELECT groupArrayLast(2)(number) FROM numbers(10);