django1/tests/get_or_create_regress/models.py

14 lines
417 B
Python

from django.db import models
class Publisher(models.Model):
name = models.CharField(max_length=100)
class Author(models.Model):
name = models.CharField(max_length=100)
class Book(models.Model):
name = models.CharField(max_length=100)
authors = models.ManyToManyField(Author, related_name='books')
publisher = models.ForeignKey(Publisher, related_name='books', db_column="publisher_id_column")