15     std::string database;

    15     std::string database;

    16     std::string password;

    16     std::string password;

    17     std::string server;

    17     std::string server;

    18 

    18 

    19   public:

    19   public:

    21     typedef std::vector <std::string> DB_ROW;

    21     typedef std::vector <std::string> DB_ROW;

    22 

    22 

    23     virtual bool connect () = 0;

    23     virtual bool connect () = 0;

    24     virtual DB_RESULT query (std::string) = 0;

    24     virtual DB_RESULT query (std::string) = 0;

    25 };

    25 };