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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
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