as that can lead to incorrect SQL being generated for the query. Thanks to mat
for the report and test, tobias for the fix, and Alex for review.
r12830 from trunk.
git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.1.X@12831 bcc190cf-cafb-0310-a4f2-bffc1f526a37