docs: 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