code: def _order_queries(self):
          
          from .condition import Order
          order = []
          for column in self.columns:
              if column.order_by:
                  o = Order(self.cls, column.attr, column.order_by)
                  order.append(o.__query__())
          if not order:
              k = self.columns[0].attr
              o = Order(self.cls, k)
              self.columns[0].order_by = o.order
              order.append(o.__query__())
          return order
docs: 쿼리의 정렬 조건을 가져옵니다.