1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
"""
25. Reverse lookups
This demonstrates the reverse lookup features of the database API.
"""
from django.db import models
class User(models.Model):
name = models.CharField(max_length=200)
def __unicode__(self):
return self.name
class Poll(models.Model):
question = models.CharField(max_length=200)
creator = models.ForeignKey(User)
def __unicode__(self):
return self.question
class Choice(models.Model):
name = models.CharField(max_length=100)
poll = models.ForeignKey(Poll, related_name="poll_choice")
related_poll = models.ForeignKey(Poll, related_name="related_choice")
def __unicode__(self):
return self.name
|
