made order_by/group_by construction a little more simplisitc

fix to mapper extension
CompoundSelect can export all columns now, not sure if theres any advantage there

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/sqlalchemy/mapping/mapper.py b/lib/sqlalchemy/mapping/mapper.py
index a9f7df63c..d6b1fb015 100644
--- a/lib/sqlalchemy/mapping/mapper.py
+++ b/lib/sqlalchemy/mapping/mapper.py
@@ -1062,7 +1062,7 @@ class MapperExtension(object):
         if self.next is None:
             return EXT_PASS
         else:
-            return self.next.populate_instance(row, imap, result, instance, isnew)
+            return self.next.populate_instance(mapper, instance, row, identitykey, imap, isnew)
     def before_insert(self, mapper, instance):
         """called before an object instance is INSERTed into its table.