ClickHouse/src/AggregateFunctions/AggregateFunctionMin.cpp
Alexey Milovidov e275fc9c29 Fix trash
2021-06-07 03:15:11 +03:00

37 lines
1.3 KiB
C++

#include <AggregateFunctions/AggregateFunctionFactory.h>
#include <AggregateFunctions/HelpersMinMaxAny.h>
#include <AggregateFunctions/FactoryHelpers.h>
namespace DB
{
struct Settings;
namespace
{
AggregateFunctionPtr createAggregateFunctionMin(
const std::string & name, const DataTypes & argument_types, const Array & parameters, const Settings * settings)
{
return AggregateFunctionPtr(createAggregateFunctionSingleValue<AggregateFunctionsSingleValue, AggregateFunctionMinData>(name, argument_types, parameters, settings));
}
AggregateFunctionPtr createAggregateFunctionArgMin(
const std::string & name, const DataTypes & argument_types, const Array & parameters, const Settings * settings)
{
return AggregateFunctionPtr(createAggregateFunctionArgMinMax<AggregateFunctionMinData>(name, argument_types, parameters, settings));
}
}
void registerAggregateFunctionsMin(AggregateFunctionFactory & factory)
{
factory.registerFunction("min", createAggregateFunctionMin, AggregateFunctionFactory::CaseInsensitive);
/// The functions below depend on the order of data.
AggregateFunctionProperties properties = { .returns_default_when_only_null = false, .is_order_dependent = true };
factory.registerFunction("argMin", { createAggregateFunctionArgMin, properties });
}
}