From 95b10c4e8e59cf2509ba5d90a03341d74f93d164 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sun, 25 May 2014 13:45:32 -0400
Subject: - Fixed bug in subquery eager loading where a long chain of eager
 loads across a polymorphic-subclass boundary in conjunction with polymorphic
 loading would fail to locate the subclass-link in the chain, erroring out
 with a missing property name on an :class:`.AliasedClass`. fixes #3055

---
 lib/sqlalchemy/orm/strategies.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/sqlalchemy')

diff --git a/lib/sqlalchemy/orm/strategies.py b/lib/sqlalchemy/orm/strategies.py
index 3ebadd62b..c8946a0c0 100644
--- a/lib/sqlalchemy/orm/strategies.py
+++ b/lib/sqlalchemy/orm/strategies.py
@@ -885,7 +885,7 @@ class SubqueryLoader(AbstractRelationshipLoader):
                     attr = getattr(parent_alias, key).\
                                     of_type(effective_entity)
                 else:
-                    attr = key
+                    attr = getattr(mapper.entity, key)
 
             if second_to_last:
                 q = q.join(parent_alias, attr, from_joinpoint=True)
-- 
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