我有以下型号:
class Book(models.Model):
ASIN = models.CharField(max_length=255, primary_key=True)
title = models.CharField(max_length=255)
users = models.ManyToManyField(FacebookCustomUser, through='BookRatings')
class BookRatings(models.Model):
user = models.ForeignKey(FacebookCustomUser)
book = models.ForeignKey(Book)
rating = models.IntegerField()
现在我想获取登录用户的所有书籍和评级。我尝试了以下方法:
books = request.user.book_set.all()
但是现在在书籍中没有评级的字段。我究竟做错了什么?