Generates the sql used for the limit clause of a Query

        :return: the sql for the limit clause of a Query
        :rtype: str

def get_sql(self):
        """
        Generates the sql used for the limit clause of a Query

        :return: the sql for the limit clause of a Query
        :rtype: str
        """
        sql = ''
        if self.limit and self.limit > 0:
            sql += 'LIMIT {0} '.format(self.limit)
        if self.offset and self.offset > 0:
            sql += 'OFFSET {0} '.format(self.offset)
        return sql