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#pragma once
#include <AggregateFunctions/AggregateFunctionMinMaxAny.h>
#include <AggregateFunctions/AggregateFunctionArgMinMax.h>
#include <AggregateFunctions/FactoryHelpers.h>
#include <AggregateFunctions/Helpers.h>
#include <DataTypes/DataTypeDate.h>
#include <DataTypes/DataTypeDateTime.h>
#include <DataTypes/DataTypeString.h>
namespace DB
{
struct Settings;
/// min, max, any, anyLast, anyHeavy, etc...
template <template <typename> class AggregateFunctionTemplate, template <typename> class Data>
static IAggregateFunction * createAggregateFunctionSingleValue(const String & name, const DataTypes & argument_types, const Array & parameters, const Settings *)
{
assertNoParameters(name, parameters);
assertUnary(name, argument_types);
const DataTypePtr & argument_type = argument_types[0];
WhichDataType which(argument_type);
#define DISPATCH(TYPE) \
if (which.idx == TypeIndex::TYPE) return new AggregateFunctionTemplate<Data<SingleValueDataFixed<TYPE>>>(argument_type); /// NOLINT
FOR_NUMERIC_TYPES(DISPATCH)
#undef DISPATCH
if (which.idx == TypeIndex::Date)
return new AggregateFunctionTemplate<Data<SingleValueDataFixed<DataTypeDate::FieldType>>>(argument_type);
if (which.idx == TypeIndex::DateTime)
return new AggregateFunctionTemplate<Data<SingleValueDataFixed<DataTypeDateTime::FieldType>>>(argument_type);
if (which.idx == TypeIndex::DateTime64)
return new AggregateFunctionTemplate<Data<SingleValueDataFixed<DateTime64>>>(argument_type);
if (which.idx == TypeIndex::Decimal32)
return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Decimal32>>>(argument_type);
if (which.idx == TypeIndex::Decimal64)
return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Decimal64>>>(argument_type);
if (which.idx == TypeIndex::Decimal128)
return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Decimal128>>>(argument_type);
if (which.idx == TypeIndex::Decimal256)
return new AggregateFunctionTemplate<Data<SingleValueDataFixed<Decimal256>>>(argument_type);
if (which.idx == TypeIndex::String)
return new AggregateFunctionTemplate<Data<SingleValueDataString>>(argument_type);
return new AggregateFunctionTemplate<Data<SingleValueDataGeneric<>>>(argument_type);
}
template <template <typename> class AggregateFunctionTemplate, template <typename> class Data, bool RespectNulls = false>
static IAggregateFunction * createAggregateFunctionSingleNullableValue(const String & name, const DataTypes & argument_types, const Array & parameters, const Settings * settings)
{
assertNoParameters(name, parameters);
assertUnary(name, argument_types);
const DataTypePtr & argument_type = argument_types[0];
WhichDataType which(argument_type);
// If the result value could be null (excluding the case that no row is matched),
// use SingleValueDataGeneric.
if constexpr (!RespectNulls)
{
return createAggregateFunctionSingleValue<AggregateFunctionTemplate, Data>(name, argument_types, Array(), settings);
}
else
{
return new AggregateFunctionTemplate<Data<SingleValueDataGeneric<true>>>(argument_type);
}
UNREACHABLE();
}
/// argMin, argMax
template <template <typename> class MinMaxData, typename ResData>
static IAggregateFunction * createAggregateFunctionArgMinMaxSecond(const DataTypePtr & res_type, const DataTypePtr & val_type)
{
WhichDataType which(val_type);
#define DISPATCH(TYPE) \
if (which.idx == TypeIndex::TYPE) \
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<TYPE>>>>(res_type, val_type); /// NOLINT
FOR_NUMERIC_TYPES(DISPATCH)
#undef DISPATCH
if (which.idx == TypeIndex::Date)
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<DataTypeDate::FieldType>>>>(res_type, val_type);
if (which.idx == TypeIndex::DateTime)
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<DataTypeDateTime::FieldType>>>>(res_type, val_type);
if (which.idx == TypeIndex::DateTime64)
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<DateTime64>>>>(res_type, val_type);
if (which.idx == TypeIndex::Decimal32)
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Decimal32>>>>(res_type, val_type);
if (which.idx == TypeIndex::Decimal64)
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Decimal64>>>>(res_type, val_type);
if (which.idx == TypeIndex::Decimal128)
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Decimal128>>>>(res_type, val_type);
if (which.idx == TypeIndex::Decimal256)
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataFixed<Decimal256>>>>(res_type, val_type);
if (which.idx == TypeIndex::String)
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataString>>>(res_type, val_type);
return new AggregateFunctionArgMinMax<AggregateFunctionArgMinMaxData<ResData, MinMaxData<SingleValueDataGeneric<>>>>(res_type, val_type);
}
template <template <typename> class MinMaxData>
static IAggregateFunction * createAggregateFunctionArgMinMax(const String & name, const DataTypes & argument_types, const Array & parameters, const Settings *)
{
assertNoParameters(name, parameters);
assertBinary(name, argument_types);
const DataTypePtr & res_type = argument_types[0];
const DataTypePtr & val_type = argument_types[1];
WhichDataType which(res_type);
#define DISPATCH(TYPE) \
if (which.idx == TypeIndex::TYPE) \
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<TYPE>>(res_type, val_type); /// NOLINT
FOR_NUMERIC_TYPES(DISPATCH)
#undef DISPATCH
if (which.idx == TypeIndex::Date)
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<DataTypeDate::FieldType>>(res_type, val_type);
if (which.idx == TypeIndex::DateTime)
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<DataTypeDateTime::FieldType>>(res_type, val_type);
if (which.idx == TypeIndex::DateTime64)
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<DateTime64>>(res_type, val_type);
if (which.idx == TypeIndex::Decimal32)
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Decimal32>>(res_type, val_type);
if (which.idx == TypeIndex::Decimal64)
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Decimal64>>(res_type, val_type);
if (which.idx == TypeIndex::Decimal128)
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Decimal128>>(res_type, val_type);
if (which.idx == TypeIndex::Decimal256)
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataFixed<Decimal256>>(res_type, val_type);
if (which.idx == TypeIndex::String)
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataString>(res_type, val_type);
return createAggregateFunctionArgMinMaxSecond<MinMaxData, SingleValueDataGeneric<>>(res_type, val_type);
}
}
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