mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-27 01:51:59 +00:00
117 lines
8.0 KiB
C++
117 lines
8.0 KiB
C++
#pragma once
|
|
|
|
#include <DB/AggregateFunctions/AggregateFunctionsArgMinMax.h>
|
|
#include <DB/DataTypes/DataTypeDate.h>
|
|
#include <DB/DataTypes/DataTypeDateTime.h>
|
|
#include <DB/DataTypes/DataTypeString.h>
|
|
#include <DB/DataTypes/DataTypeFixedString.h>
|
|
#include <DB/DataTypes/DataTypesNumberFixed.h>
|
|
|
|
namespace DB
|
|
{
|
|
|
|
/// min, max, any, anyLast
|
|
template <template <typename> class AggregateFunctionTemplate, template <typename> class Data>
|
|
static IAggregateFunction * createAggregateFunctionSingleValue(const String & name, const DataTypes & argument_types)
|
|
{
|
|
if (argument_types.size() != 1)
|
|
throw Exception("Incorrect number of arguments for aggregate function " + name, ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
|
|
|
|
const IDataType & argument_type = *argument_types[0];
|
|
|
|
if (typeid_cast<const DataTypeUInt8 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<UInt8>>>;
|
|
else if (typeid_cast<const DataTypeUInt16 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<UInt16>>>;
|
|
else if (typeid_cast<const DataTypeUInt32 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<UInt32>>>;
|
|
else if (typeid_cast<const DataTypeUInt64 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<UInt64>>>;
|
|
else if (typeid_cast<const DataTypeInt8 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Int8>>>;
|
|
else if (typeid_cast<const DataTypeInt16 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Int16>>>;
|
|
else if (typeid_cast<const DataTypeInt32 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Int32>>>;
|
|
else if (typeid_cast<const DataTypeInt64 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Int64>>>;
|
|
else if (typeid_cast<const DataTypeFloat32 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Float32>>>;
|
|
else if (typeid_cast<const DataTypeFloat64 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Float64>>>;
|
|
else if (typeid_cast<const DataTypeDate *>(&argument_type))
|
|
return new AggregateFunctionTemplate<Data<SingleValueDataFixed<DataTypeDate::FieldType>>>;
|
|
else if (typeid_cast<const DataTypeDateTime*>(&argument_type))
|
|
return new AggregateFunctionTemplate<Data<SingleValueDataFixed<DataTypeDateTime::FieldType>>>;
|
|
else if (typeid_cast<const DataTypeString*>(&argument_type))
|
|
return new AggregateFunctionTemplate<Data<SingleValueDataString>>;
|
|
else
|
|
return new AggregateFunctionTemplate<Data<SingleValueDataGeneric>>;
|
|
}
|
|
|
|
|
|
/// argMin, argMax
|
|
template <template <typename> class MinMaxData, typename ResData>
|
|
static IAggregateFunction * createAggregateFunctionArgMinMaxSecond(const String & name, const IDataType & val_type)
|
|
{
|
|
if (typeid_cast<const DataTypeUInt8 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<UInt8>>>>;
|
|
else if (typeid_cast<const DataTypeUInt16 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<UInt16>>>>;
|
|
else if (typeid_cast<const DataTypeUInt32 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<UInt32>>>>;
|
|
else if (typeid_cast<const DataTypeUInt64 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<UInt64>>>>;
|
|
else if (typeid_cast<const DataTypeInt8 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Int8>>>>;
|
|
else if (typeid_cast<const DataTypeInt16 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Int16>>>>;
|
|
else if (typeid_cast<const DataTypeInt32 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Int32>>>>;
|
|
else if (typeid_cast<const DataTypeInt64 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Int64>>>>;
|
|
else if (typeid_cast<const DataTypeFloat32 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Float32>>>>;
|
|
else if (typeid_cast<const DataTypeFloat64 *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Float64>>>>;
|
|
else if (typeid_cast<const DataTypeDate *>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<DataTypeDate::FieldType>>>>;
|
|
else if (typeid_cast<const DataTypeDateTime*>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<DataTypeDateTime::FieldType>>>>;
|
|
else if (typeid_cast<const DataTypeString*>(&val_type))
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataString>>>;
|
|
else
|
|
return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataGeneric>>>;
|
|
}
|
|
|
|
template <template <typename> class MinMaxData>
|
|
static IAggregateFunction * createAggregateFunctionArgMinMax(const String & name, const DataTypes & argument_types)
|
|
{
|
|
if (argument_types.size() != 2)
|
|
throw Exception("Incorrect number of arguments for aggregate function " + name, ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
|
|
|
|
const IDataType & res_type = *argument_types[0];
|
|
const IDataType & val_type = *argument_types[1];
|
|
|
|
if (typeid_cast<const DataTypeUInt8 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<UInt8>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeUInt16 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<UInt16>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeUInt32 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<UInt32>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeUInt64 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<UInt64>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeInt8 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Int8>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeInt16 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Int16>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeInt32 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Int32>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeInt64 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Int64>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeFloat32 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Float32>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeFloat64 *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Float64>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeDate *>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<DataTypeDate::FieldType>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeDateTime*>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<DataTypeDateTime::FieldType>>(name, val_type);
|
|
else if (typeid_cast<const DataTypeString*>(&res_type))
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataString>(name, val_type);
|
|
else
|
|
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataGeneric>(name, val_type);
|
|
}
|
|
|
|
}
|