queryset-refactor: Fixed a couple of typos that were messing up extra(select=...).

git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6512 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/query.py

@@ -96,7 +96,7 @@ class _QuerySet(object):
             else:
                 obj = self.model(*row[:index_end])
             for i, k in enumerate(extra_select):
-                setattr(obj, k[0], row[index_end + i])
+                setattr(obj, k, row[index_end + i])
             yield obj
 
     def count(self):

django/db/models/sql/query.py

@@ -342,7 +342,7 @@ class Query(object):
         """
         qn = self.quote_name_unless_alias
         result = []
-        if self.select or self.extra_select:
+        if self.select:
             for col in self.select:
                 if isinstance(col, (list, tuple)):
                     result.append('%s.%s' % (qn(col[0]), qn(col[1])))

tests/regressiontests/queries/models.py

@@ -310,6 +310,12 @@ Bug #2076
 >>> Ranking.objects.extra(tables=['django_site'], order_by=['-django_site.id', 'rank'])
 [<Ranking: 1: a3>, <Ranking: 2: a2>, <Ranking: 3: a1>]
 
+>>> qs = Ranking.objects.extra(select={'good': 'rank > 2'})
+>>> [o.good for o in qs.extra(order_by=('-good',))] == [True, False, False]
+True
+>>> qs.extra(order_by=('-good', 'id'))
+[<Ranking: 3: a1>, <Ranking: 2: a2>, <Ranking: 1: a3>]
+
 Bugs #2874, #3002
 >>> qs = Item.objects.select_related().order_by('note__note', 'name')
 >>> list(qs)