Fixed #17335 -- Added supports_select_related hook for django-nonrel.…

… Thanks, jonash git-svn-id: http://code.djangoproject.com/svn/django/trunk@17170 bcc190cf-cafb-0310-a4f2-bffc1f526a37
django · 5f9dbef4bb5d8b9f077cd6a01b5e554f6dfb4f19 · adrianholovaty committed Dec 5, 2011 · Dec 5, 2011 · 5f9dbef
1 parent 33bb3cd
commit 5f9dbef4bb5d8b9f077cd6a01b5e554f6dfb4f19
Unified Split

Showing with 5 additions and 1 deletion.

+2 −0 django/db/backends/__init__.py

+3 −1 django/db/models/query.py
diff --git a/django/db/backends/__init__.py b/django/db/backends/__init__.py
@@ -313,6 +313,8 @@ class BaseDatabaseFeatures(object):
     has_select_for_update = False
     has_select_for_update_nowait = False
 
+    supports_select_related = True
+
     # Does the default test database allow multiple connections?
     # Usually an indication that the test database is in-memory
     test_db_allows_multiple_connections = True
diff --git a/django/db/models/query.py b/django/db/models/query.py
@@ -232,7 +232,9 @@ def iterator(self):
         An iterator over the results from applying this QuerySet to the
         database.
         """
-        fill_cache = self.query.select_related
+        fill_cache = False
+        if connections[self.db].features.supports_select_related:
+            fill_cache = self.query.select_related
         if isinstance(fill_cache, dict):
             requested = fill_cache
         else: