Django Rest Framework- retrieving a related field on reverse foreign key efficiently
问题 I have the following models that represent a working group of users. Each working group has a leader and members: class WorkingGroup(models.Model): group_name = models.CharField(max_length=255) leader = models.ForeignKey(User, null=True, on_delete=models.SET_NULL) class WorkingGroupMember(models.Model): group = models.ForeignKey(WorkingGroup, on_delete=models.CASCADE) user = models.ForeignKey(User, on_delete=models.CASCADE) In DRF, I want to efficiently retrieve all groups (there are several