mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 17:02:25 +00:00
38 lines
1.6 KiB
C++
38 lines
1.6 KiB
C++
#include <AggregateFunctions/AggregateFunctionFactory.h>
|
|
#include <AggregateFunctions/AggregateFunctionMaxIntersections.h>
|
|
#include <AggregateFunctions/FactoryHelpers.h>
|
|
#include <AggregateFunctions/Helpers.h>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
namespace
|
|
{
|
|
AggregateFunctionPtr createAggregateFunctionMaxIntersections(
|
|
AggregateFunctionIntersectionsKind kind,
|
|
const std::string & name, const DataTypes & argument_types, const Array & parameters)
|
|
{
|
|
assertBinary(name, argument_types);
|
|
assertNoParameters(name, parameters);
|
|
|
|
AggregateFunctionPtr res(createWithNumericType<AggregateFunctionIntersectionsMax>(*argument_types[0], kind, argument_types));
|
|
if (!res)
|
|
throw Exception("Illegal types " + argument_types[0]->getName() + " and " + argument_types[1]->getName()
|
|
+ " of argument for aggregate function " + name, ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
|
|
|
|
return res;
|
|
}
|
|
}
|
|
|
|
void registerAggregateFunctionsMaxIntersections(AggregateFunctionFactory & factory)
|
|
{
|
|
factory.registerFunction("maxIntersections", [](const std::string & name, const DataTypes & argument_types, const Array & parameters)
|
|
{ return createAggregateFunctionMaxIntersections(AggregateFunctionIntersectionsKind::Count, name, argument_types, parameters); });
|
|
|
|
factory.registerFunction("maxIntersectionsPosition", [](const std::string & name, const DataTypes & argument_types, const Array & parameters)
|
|
{ return createAggregateFunctionMaxIntersections(AggregateFunctionIntersectionsKind::Position, name, argument_types, parameters); });
|
|
}
|
|
|
|
}
|