mirror of
https://github.com/django/django.git
synced 2024-12-23 01:25:58 +00:00
48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
from django.db import models
|
|
|
|
|
|
class Author(models.Model):
|
|
first_name = models.CharField(max_length=255)
|
|
last_name = models.CharField(max_length=255)
|
|
dob = models.DateField()
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
# Protect against annotations being passed to __init__ --
|
|
# this'll make the test suite get angry if annotations aren't
|
|
# treated differently than fields.
|
|
for k in kwargs:
|
|
assert k in [f.attname for f in self._meta.fields], (
|
|
"Author.__init__ got an unexpected parameter: %s" % k
|
|
)
|
|
|
|
|
|
class Book(models.Model):
|
|
title = models.CharField(max_length=255)
|
|
author = models.ForeignKey(Author, models.CASCADE)
|
|
paperback = models.BooleanField(default=False)
|
|
opening_line = models.TextField()
|
|
|
|
|
|
class BookFkAsPk(models.Model):
|
|
book = models.ForeignKey(
|
|
Book, models.CASCADE, primary_key=True, db_column="not_the_default"
|
|
)
|
|
|
|
|
|
class Coffee(models.Model):
|
|
brand = models.CharField(max_length=255, db_column="name")
|
|
price = models.DecimalField(max_digits=10, decimal_places=2, default=0)
|
|
|
|
|
|
class MixedCaseIDColumn(models.Model):
|
|
id = models.AutoField(primary_key=True, db_column="MiXeD_CaSe_Id")
|
|
|
|
|
|
class Reviewer(models.Model):
|
|
reviewed = models.ManyToManyField(Book)
|
|
|
|
|
|
class FriendlyAuthor(Author):
|
|
pass
|