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6d5bfc8c6f
* Better code [#CLICKHOUSE-2]. * Addition to prev. revision [#CLICKHOUSE-2]. * Addition to prev. revision [#CLICKHOUSE-2]. * Addition to prev. revision [#CLICKHOUSE-2].
117 lines
7.9 KiB
C++
117 lines
7.9 KiB
C++
#pragma once
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#include <DB/AggregateFunctions/AggregateFunctionsArgMinMax.h>
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#include <DB/DataTypes/DataTypeDate.h>
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#include <DB/DataTypes/DataTypeDateTime.h>
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#include <DB/DataTypes/DataTypeString.h>
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#include <DB/DataTypes/DataTypeFixedString.h>
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#include <DB/DataTypes/DataTypesNumber.h>
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namespace DB
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{
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/// min, max, any, anyLast
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template <template <typename> class AggregateFunctionTemplate, template <typename> class Data>
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static IAggregateFunction * createAggregateFunctionSingleValue(const String & name, const DataTypes & argument_types)
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{
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if (argument_types.size() != 1)
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throw Exception("Incorrect number of arguments for aggregate function " + name, ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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const IDataType & argument_type = *argument_types[0];
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if (typeid_cast<const DataTypeUInt8 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<UInt8>>>;
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else if (typeid_cast<const DataTypeUInt16 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<UInt16>>>;
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else if (typeid_cast<const DataTypeUInt32 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<UInt32>>>;
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else if (typeid_cast<const DataTypeUInt64 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<UInt64>>>;
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else if (typeid_cast<const DataTypeInt8 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Int8>>>;
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else if (typeid_cast<const DataTypeInt16 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Int16>>>;
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else if (typeid_cast<const DataTypeInt32 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Int32>>>;
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else if (typeid_cast<const DataTypeInt64 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Int64>>>;
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else if (typeid_cast<const DataTypeFloat32 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Float32>>>;
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else if (typeid_cast<const DataTypeFloat64 *>(&argument_type)) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Float64>>>;
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else if (typeid_cast<const DataTypeDate *>(&argument_type))
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return new AggregateFunctionTemplate<Data<SingleValueDataFixed<DataTypeDate::FieldType>>>;
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else if (typeid_cast<const DataTypeDateTime*>(&argument_type))
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return new AggregateFunctionTemplate<Data<SingleValueDataFixed<DataTypeDateTime::FieldType>>>;
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else if (typeid_cast<const DataTypeString*>(&argument_type))
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return new AggregateFunctionTemplate<Data<SingleValueDataString>>;
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else
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return new AggregateFunctionTemplate<Data<SingleValueDataGeneric>>;
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}
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/// argMin, argMax
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template <template <typename> class MinMaxData, typename ResData>
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static IAggregateFunction * createAggregateFunctionArgMinMaxSecond(const String & name, const IDataType & val_type)
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{
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if (typeid_cast<const DataTypeUInt8 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<UInt8>>>>;
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else if (typeid_cast<const DataTypeUInt16 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<UInt16>>>>;
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else if (typeid_cast<const DataTypeUInt32 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<UInt32>>>>;
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else if (typeid_cast<const DataTypeUInt64 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<UInt64>>>>;
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else if (typeid_cast<const DataTypeInt8 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Int8>>>>;
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else if (typeid_cast<const DataTypeInt16 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Int16>>>>;
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else if (typeid_cast<const DataTypeInt32 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Int32>>>>;
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else if (typeid_cast<const DataTypeInt64 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Int64>>>>;
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else if (typeid_cast<const DataTypeFloat32 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Float32>>>>;
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else if (typeid_cast<const DataTypeFloat64 *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Float64>>>>;
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else if (typeid_cast<const DataTypeDate *>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<DataTypeDate::FieldType>>>>;
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else if (typeid_cast<const DataTypeDateTime*>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<DataTypeDateTime::FieldType>>>>;
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else if (typeid_cast<const DataTypeString*>(&val_type))
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataString>>>;
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else
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return new AggregateFunctionsArgMinMax<AggregateFunctionsArgMinMaxData<ResData, MinMaxData<SingleValueDataGeneric>>>;
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}
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template <template <typename> class MinMaxData>
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static IAggregateFunction * createAggregateFunctionArgMinMax(const String & name, const DataTypes & argument_types)
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{
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if (argument_types.size() != 2)
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throw Exception("Incorrect number of arguments for aggregate function " + name, ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
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const IDataType & res_type = *argument_types[0];
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const IDataType & val_type = *argument_types[1];
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if (typeid_cast<const DataTypeUInt8 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<UInt8>>(name, val_type);
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else if (typeid_cast<const DataTypeUInt16 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<UInt16>>(name, val_type);
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else if (typeid_cast<const DataTypeUInt32 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<UInt32>>(name, val_type);
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else if (typeid_cast<const DataTypeUInt64 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<UInt64>>(name, val_type);
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else if (typeid_cast<const DataTypeInt8 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Int8>>(name, val_type);
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else if (typeid_cast<const DataTypeInt16 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Int16>>(name, val_type);
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else if (typeid_cast<const DataTypeInt32 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Int32>>(name, val_type);
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else if (typeid_cast<const DataTypeInt64 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Int64>>(name, val_type);
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else if (typeid_cast<const DataTypeFloat32 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Float32>>(name, val_type);
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else if (typeid_cast<const DataTypeFloat64 *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Float64>>(name, val_type);
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else if (typeid_cast<const DataTypeDate *>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<DataTypeDate::FieldType>>(name, val_type);
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else if (typeid_cast<const DataTypeDateTime*>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<DataTypeDateTime::FieldType>>(name, val_type);
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else if (typeid_cast<const DataTypeString*>(&res_type))
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataString>(name, val_type);
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else
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return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataGeneric>(name, val_type);
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}
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}
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