postgresqlResultSet.hpp

/*
  ANCH Framework: ANother C++ Hack is a C++ framework based on C++11 standard
  Copyright (C) 2012 Vincent Lachenal

  This file is part of ANCH Framework.

  ANCH Framework is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  ANCH Framework is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with ANCH Framework.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef ANCH_SQL_POSTGRESQL
#ifndef _ANCH_SQL_PG_RESULT_SET_H_
#define _ANCH_SQL_PG_RESULT_SET_H_

#include "sql/resultSet.hpp"

#include "libpq-fe.h"


namespace anch {
  namespace sql {

    class PostgreSQLResultSet: public ResultSet {

      // Attributes +
    private:
      PGconn* _conn;

      PGresult* _result;

      int _currentRow;

      int _nbRows;

      int _nbFields;
      // Attributes -

      // Constructors +
    public:
      PostgreSQLResultSet(PGconn* conn);
      // Constructors -

      // Destructor +
    public:
      virtual ~PostgreSQLResultSet();
      // Destructor -

      // Methods +
    public:
      virtual bool next() throw(SqlException);

    protected:
      virtual bool getValue(std::size_t idx, std::string& out) throw(SqlException);
      // Methods -

    };

  }
}

#endif // _ANCH_SQL_PG_RESULT_SET_H_
#endif // ANCH_SQL_POSTGRESQL