thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-22 07:31:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #30177 from CurtizJ/initializeAggregation-nullable

Browse Source 
Support nullable arguments in function `initializeAggregation`
This commit is contained in:
Anton Popov 2021-10-20 15:39:07 +03:00 committed by GitHub
commit 78c925ddef
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/Functions/initializeAggregation.cpp
View File

@ -40,6 +40,7 @@ public:
bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return true; }
bool useDefaultImplementationForConstants() const override { return true; }
bool useDefaultImplementationForNulls() const override { return false; }
ColumnNumbers getArgumentsThatAreAlwaysConstant() const override { return {0}; }
DataTypePtr getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const override;

6
tests/queries/0_stateless/02097_initializeAggregationNullable.reference Normal file
View File

@ -0,0 +1,6 @@
1
AggregateFunction(uniqExact, Nullable(String))
1
AggregateFunction(uniqExact, Nullable(UInt8))
1
1

8
tests/queries/0_stateless/02097_initializeAggregationNullable.sql Normal file
View File

@ -0,0 +1,8 @@
SELECT finalizeAggregation(initializeAggregation('uniqExactState', toNullable('foo')));
SELECT toTypeName(initializeAggregation('uniqExactState', toNullable('foo')));
SELECT finalizeAggregation(initializeAggregation('uniqExactState', toNullable(123)));
SELECT toTypeName(initializeAggregation('uniqExactState', toNullable(123)));
SELECT initializeAggregation('uniqExactState', toNullable('foo')) = arrayReduce('uniqExactState', [toNullable('foo')]);
SELECT initializeAggregation('uniqExactState', toNullable(123)) = arrayReduce('uniqExactState', [toNullable(123)]);