--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/thirdparty/google_appengine/lib/django/tests/modeltests/m2m_and_m2o/models.py	Tue Aug 26 21:49:54 2008 +0000
@@ -0,0 +1,65 @@
+"""
+29. Many-to-many and many-to-one relationships to the same table
+
+Make sure to set ``related_name`` if you use relationships to the same table.
+"""
+
+from django.db import models
+
+class User(models.Model):
+    username = models.CharField(maxlength=20)
+
+class Issue(models.Model):
+    num = models.IntegerField()
+    cc = models.ManyToManyField(User, blank=True, related_name='test_issue_cc')
+    client = models.ForeignKey(User, related_name='test_issue_client')
+
+    def __str__(self):
+        return str(self.num)
+
+    class Meta:
+        ordering = ('num',)
+
+
+__test__ = {'API_TESTS':"""
+>>> Issue.objects.all()
+[]
+>>> r = User(username='russell')
+>>> r.save()
+>>> g = User(username='gustav')
+>>> g.save()
+
+>>> i = Issue(num=1)
+>>> i.client = r
+>>> i.save()
+
+>>> i2 = Issue(num=2)
+>>> i2.client = r
+>>> i2.save()
+>>> i2.cc.add(r)
+
+>>> i3 = Issue(num=3)
+>>> i3.client = g
+>>> i3.save()
+>>> i3.cc.add(r)
+
+>>> from django.db.models.query import Q
+
+>>> Issue.objects.filter(client=r.id)
+[<Issue: 1>, <Issue: 2>]
+>>> Issue.objects.filter(client=g.id)
+[<Issue: 3>]
+>>> Issue.objects.filter(cc__id__exact=g.id)
+[]
+>>> Issue.objects.filter(cc__id__exact=r.id)
+[<Issue: 2>, <Issue: 3>]
+
+# These queries combine results from the m2m and the m2o relationships.
+# They're three ways of saying the same thing.
+>>> Issue.objects.filter(Q(cc__id__exact=r.id) | Q(client=r.id))
+[<Issue: 1>, <Issue: 2>, <Issue: 3>]
+>>> Issue.objects.filter(cc__id__exact=r.id) | Issue.objects.filter(client=r.id)
+[<Issue: 1>, <Issue: 2>, <Issue: 3>]
+>>> Issue.objects.filter(Q(client=r.id) | Q(cc__id__exact=r.id))
+[<Issue: 1>, <Issue: 2>, <Issue: 3>]
+"""}