连接模型上的django聚合
假设我有3个模型连接模型上的django聚合,django,Django,假设我有3个模型 class User(models.Model): pass class Content(models.Model): created_by = models.ForeignKey(User) class Like(models.model): liked_by = models.ForeignKey(User) content = models.ForeignKey(Content, related_name='likes') 如何使用聚
class User(models.Model):
pass
class Content(models.Model):
created_by = models.ForeignKey(User)
class Like(models.model):
liked_by = models.ForeignKey(User)
content = models.ForeignKey(Content, related_name='likes')
如何使用聚合计算出最受欢迎的顶级用户
我试过:
result=Like.objects.annotate(num\u liked=Count('item\uu created\u by'))
但这会返回类似的对象,似乎不合法。我想我已经解决了,但需要有人为我验证:
User.objects.annotate(liked=Count('content\u likes'))