/home/sebastian/gpudbms/trunk/cogadb/include/util/reduce_by_keys.hpp File Reference

#include <core/column.hpp>
#include <iostream>
#include <utility>
#include <functional>
#include <algorithm>

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Classes
struct	CoGaDB::min_obj< T >
struct	CoGaDB::max_obj< T >
Namespaces
namespace	CoGaDB
	The global namespace of the programming tasks, to avoid name claches with other libraries.
Functions
template<typename T , typename U , typename BinaryOperator >
std::pair< ColumnPtr, ColumnPtr >	CoGaDB::reduce_by_keys (shared_pointer_namespace::shared_ptr< ColumnBaseTyped< U > > keys, shared_pointer_namespace::shared_ptr< ColumnBaseTyped< T > > values, BinaryOperator binary_op)
template<typename T , typename U >
std::pair< ColumnPtr, ColumnPtr >	CoGaDB::reduce_by_keys (shared_pointer_namespace::shared_ptr< ColumnBaseTyped< U > > keys, shared_pointer_namespace::shared_ptr< ColumnBaseTyped< T > > values, AggregationMethod agg_meth)