Fixed the way symmetrical many-to-many relations are recorded in the Options class.

These types of relations don't have reverse accessor names, so that name can be
used by a normal field on the model. Fixed #7107.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7764 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/queries/models.py

@@ -90,6 +90,15 @@ class Number(models.Model):
     def __unicode__(self):
         return unicode(self.num)
 
+# Symmetrical m2m field with a normal field using the reverse accesor name
+# ("valid").
+class Valid(models.Model):
+    valid = models.CharField(max_length=10)
+    parent = models.ManyToManyField('self')
+
+    class Meta:
+        ordering = ['valid']
+
 # Some funky cross-linked models for testing a couple of infinite recursion
 # cases.
 class X(models.Model):
@@ -768,5 +777,9 @@ just count the number of results).
 >>> len(Tag.objects.order_by('parent__name'))
 5
 
+Bug #7107 -- this shouldn't create an infinite loop.
+>>> Valid.objects.all()
+[]
+
 """}