/home/sebastian/gpudbms/trunk/cogadb/include/query_processing/column_processing/cpu_algebra_operator.hpp

Go to the documentation of this file.

#pragma once

#include <query_processing/definitions.hpp>
#include <query_processing/column_processing/definitions.hpp>
#include <util/getname.hpp>

namespace CoGaDB {
    namespace query_processing {
        namespace physical_operator {

            class CPU_ColumnAlgebraOperation : public hype::queryprocessing::BinaryOperator<ColumnPtr, ColumnPtr, ColumnPtr> {
            public:
                //typedef hype::queryprocessing::OperatorMapper_Helper_Template<ColumnPtr>::TypedOperatorPtr ColumnWise_TypedOperatorPtr;
                typedef column_processing::cpu::TypedOperatorPtr TypedOperatorPtr;

                CPU_ColumnAlgebraOperation(const hype::SchedulingDecision& sched_dec,
                        TypedOperatorPtr left_child,
                        TypedOperatorPtr right_child,
                        ColumnAlgebraOperation op,
                        MaterializationStatus mat_stat = MATERIALIZE) : BinaryOperator<ColumnPtr, ColumnPtr, ColumnPtr>(sched_dec, left_child, right_child),
                op_(op),
                mat_stat_(mat_stat) {
                }

                virtual bool execute() {
                    if (!quiet && debug && verbose) std::cout << "Execute Column Operator CPU" << std::endl;

                    if (op_ == ADD) {
                        this->getInputDataLeftChild()->add(this->getInputDataRightChild());
                    } else if (op_ == SUB) {
                        this->getInputDataLeftChild()->minus(this->getInputDataRightChild());
                    } else if (op_ == MUL) {
                        this->getInputDataLeftChild()->multiply(this->getInputDataRightChild());
                    } else if (op_ == DIV) {
                        this->getInputDataLeftChild()->division(this->getInputDataRightChild());
                    }

                    this->result_ = this->getInputDataLeftChild();

                    if (this->result_)
                        return true;
                    else
                        return false;
                }

                virtual ~CPU_ColumnAlgebraOperation() {
                }
            private:
                ColumnAlgebraOperation op_;
                MaterializationStatus mat_stat_;
            };

            column_processing::cpu::Physical_Operator_Map_Ptr map_init_function_cpu_column_algebra_operator();
            column_processing::cpu::TypedOperatorPtr create_CPU_ColumnAlgebraOperator(column_processing::cpu::TypedLogicalNode& logical_node, const hype::SchedulingDecision&, column_processing::cpu::TypedOperatorPtr left_child, column_processing::cpu::TypedOperatorPtr right_child);

            //                  GPU_ColumnWise_TypedOperatorPtr create_GPU_ColumnAlgebraOperator(GPU_ColumnWise_TypedLogicalNode& logical_node, const hype::SchedulingDecision&, GPU_ColumnWise_TypedOperatorPtr left_child, GPU_ColumnWise_TypedOperatorPtr right_child);

        }//end namespace physical_operator

        namespace logical_operator {

            class Logical_CPU_ColumnAlgebraOperation : public hype::queryprocessing::TypedNode_Impl<ColumnPtr, physical_operator::map_init_function_cpu_column_algebra_operator> //init_function_Join_operator>
            {
            public:

                Logical_CPU_ColumnAlgebraOperation(ColumnAlgebraOperation op,
                        MaterializationStatus mat_stat = MATERIALIZE,
                        hype::DeviceConstraint dev_constr = hype::DeviceConstraint(hype::CPU_ONLY))
                : TypedNode_Impl<ColumnPtr, physical_operator::map_init_function_cpu_column_algebra_operator>(false, dev_constr),
                op_(op),
                mat_stat_(mat_stat) {
                }

                virtual unsigned int getOutputResultSize() const {
                    return 0;
                }

                virtual double getCalculatedSelectivity() const {
                    return 1;
                }

                virtual std::string getOperationName() const {
                    return "CPU_ColumnAlgebra_Operator"; //util::getName(op_);
                }

                virtual ColumnAlgebraOperation getColumnAlgebraOperation() const {
                    return op_;
                }

                const MaterializationStatus& getMaterializationStatus() const {
                    return mat_stat_;
                }
            private:
                ColumnAlgebraOperation op_;
                MaterializationStatus mat_stat_;
            };

        }//end namespace logical_operator

    }//end namespace query_processing

}; //end namespace CogaDB