Tipo MYSQL_RES

typedef struct st_mysql_res {
  my_ulonglong row_count;
  MYSQL_FIELD	*fields;
  MYSQL_DATA	*data;
  MYSQL_ROWS	*data_cursor;
  unsigned long *lengths;		/* column lengths of current row */
  MYSQL		*handle;		/* for unbuffered reads */
  MEM_ROOT	field_alloc;
  unsigned int	field_count, current_field;
  MYSQL_ROW	row;			/* If unbuffered read */
  MYSQL_ROW	current_row;		/* buffer to current row */
  my_bool	eof;			/* Used by mysql_fetch_row */
  /* mysql_stmt_close() had to cancel this result */
  my_bool       unbuffered_fetch_cancelled;  
  const struct st_mysql_methods *methods;
} MYSQL_RES;