oracle 日期字段 自定义格式排序

需求 按照开始时间和组号排序，仅显示时分

select
  TRUNC("TB11B00"."BEGIN_DATE", 'MI') AS "BEGIN_MINUTE",
from TB11B00 t
where  xxx
order by "BEGIN_MINUTE", "GROUP_NO", "GROUP_IX"

django code
service_orders.annotate(
            begin_minute=Trunc('begin_date', 'minute', output_field=DateTimeField())
        ).order_by("begin_minute", "group_no", "group_ix")