Class Book

tests/multiple_database/models.py:49–65

class Book(models.Model):
    title = models.CharField(max_length=100)
    published = models.DateField()
    authors = models.ManyToManyField(Person)
    editor = models.ForeignKey(
        Person, models.SET_NULL, null=True, related_name="edited"
    )
    reviews = GenericRelation(Review)
    pages = models.IntegerField(default=100)

    objects = BookManager()

    class Meta:
        ordering = ("title",)

    def __str__(self):
        return self.title


class Pet(models.Model):