, using):
"""
当前对象删除后,一并删除该对象下的外键信息
:param collector:
:param field:
:param sub_objs...)
def PROTECT(collector, field, sub_objs, using):
"""
删除时会引起 ProtectedError,不删除关联表的内容
:...__name__, sub_objs[0].__class__....(collector, field, sub_objs, using):
collector.add_field_update(field, value, sub_objs)..., field, sub_objs, using):
"""
什么也不做
:param collector:
:param field:
:param sub_objs