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A scripted SQL query generation framework with IDE: SQLpp (v1.4)

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12 Sep 200311 min read 415.9K   5.4K   133  
A helper framework for generation of SQL queries in C++ and Lua
#ifndef SQLPP_EXPRESSIONS_SUBQUERY_LOGICAL_HPP
#define SQLPP_EXPRESSIONS_SUBQUERY_LOGICAL_HPP

#include <sqlpp/config.hpp>
#include <sqlpp/utils.hpp>
#include <sqlpp/predefs.hpp>
#include <sqlpp/expressions/enums.hpp>
#include <sqlpp/expressions/subquery_expression.hpp>
#include <sqlpp/expressions/scalar_expression.hpp>
#include <sqlpp/expressions/boolean_expression.hpp>

namespace sqlpp{
namespace expressions{

class subquery_comparaison_expression:
	public boolean_expression
{
public:

	subquery_comparaison_expression(
		scalar_expression_shared_ptr left_,
		subquery_expression_shared_ptr right_,
		ArithmeticOperator op_,
		SubqueryComparaisonOperator subquery_op_
		);

	virtual std::ostream& get_expression(std::ostream& out_, adaptors::database_adaptor_shared_ptr adaptor_) const;	

private:
	scalar_expression_shared_ptr m_left;
	subquery_expression_shared_ptr m_right;
	ArithmeticOperator m_op;
	SubqueryComparaisonOperator m_subquery_op;
};
typedef boost::shared_ptr< subquery_comparaison_expression > subquery_comparaison_expression_shared_ptr;

subquery_comparaison_expression_shared_ptr any(
		scalar_expression_shared_ptr left_,
		subquery_expression_shared_ptr right_,
		ArithmeticOperator op_
		);

subquery_comparaison_expression_shared_ptr some(
		scalar_expression_shared_ptr left_,
		subquery_expression_shared_ptr right_,
		ArithmeticOperator op_
		);

subquery_comparaison_expression_shared_ptr all(
		scalar_expression_shared_ptr left_,
		subquery_expression_shared_ptr right_,
		ArithmeticOperator op_
		);

}; // expressions
};//sqlpp

#endif

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Written By
Engineer
United States United States
Jonathan de Halleux is Civil Engineer in Applied Mathematics. He finished his PhD in 2004 in the rainy country of Belgium. After 2 years in the Common Language Runtime (i.e. .net), he is now working at Microsoft Research on Pex (http://research.microsoft.com/pex).

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