pgLab/pglab/Pgsql_Value.h

#ifndef PGSQL_VALUE_H
#define PGSQL_VALUE_H

#include "Pgsql_declare.h"
#include <QString>
#include <QDateTime>

namespace Pgsql {

	/** \brief Class that is returned as value of a cell to facilitate auto conversion.
	 */
	class Value {
	public:
		Value(const char *val, Oid typ);
		QString asQString() const;
		const char* c_str() const { return m_val; }

		operator QString() const;
		operator QDateTime() const;
		operator std::string() const;
		operator short() const;
		operator int() const;
		operator Oid() const;
		operator long long() const;
		operator bool() const;
	private:
		const char *m_val;
		Oid m_typ;
	};

//	void operator<<(QString &s, const Value &v);
//	void operator<<(QDateTime &l, const Value &v);
//	void operator<<(std::string &l, const Value &v);
//	void operator<<(short &l, const Value &v);
//	void operator<<(int &l, const Value &v);
//	void operator<<(Oid &l, const Value &v);
//	void operator<<(__int64 &l, const Value &v);
//	void operator<<(bool &l, const Value &v);
	template <typename T>
	void operator<<(T &s, const Value &v)
	{
		s = static_cast<T>(v);
	}

} // end namespace Pgsql

#endif // PGSQL_VALUE_H