Fixed #6957 -- Removed a stray reference to QuerySet._select_related and added

a way to copy the select_related() settings from an existing queryset.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7425 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 7 insertions, 0 deletions

diff --git a/django/db/models/query.py b/django/db/models/query.py
index d9c2f8144b..9f9d5a6ce3 100644
--- a/django/db/models/query.py
+++ b/django/db/models/query.py
@@ -402,6 +402,13 @@ class _QuerySet(object):
             obj.query.max_depth = depth
         return obj
 
+    def dup_select_related(self, other):
+        """
+        Copies the related selection status from the queryset 'other' to the
+        current queryset.
+        """
+        self.query.select_related = other.query.select_related
+
     def order_by(self, *field_names):
         """Returns a new QuerySet instance with the ordering changed."""
         assert self.query.can_filter(), \