[1.2.X] Fix wrong attribute name in [15156]. Thanks to Alex Gaynor for spotting this.

Backport of [15169] from trunk

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@15170 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/query.py

@@ -369,8 +369,8 @@ class QuerySet(object):
         defaults = kwargs.pop('defaults', {})
         lookup = kwargs.copy()
         for f in self.model._meta.fields:
-            if f.column in lookup:
-                lookup[f.name] = lookup.pop(f.column)
+            if f.attname in lookup:
+                lookup[f.name] = lookup.pop(f.attname)
         try:
             self._for_write = True
             return self.get(**lookup), False

tests/regressiontests/get_or_create_regress/models.py

@@ -10,4 +10,4 @@ class Author(models.Model):
 class Book(models.Model):
     name = models.CharField(max_length=100)
     authors = models.ManyToManyField(Author, related_name='books')
-    publisher = models.ForeignKey(Publisher, related_name='books')
+    publisher = models.ForeignKey(Publisher, related_name='books', db_column="publisher_id_column")

tests/regressiontests/get_or_create_regress/tests.py

@@ -55,8 +55,10 @@ class GetOrCreateTests(TestCase):
         # Use the publisher's primary key value instead of a model instance.
         _, created = ed.books.get_or_create(name='The Great Book of Ed', publisher_id=p.id)
         self.assertTrue(created)
+
         # Try get_or_create again, this time nothing should be created.
         _, created = ed.books.get_or_create(name='The Great Book of Ed', publisher_id=p.id)
         self.assertFalse(created)
+
         # The publisher should have three books.
         self.assertEqual(p.books.count(), 3)