From cd48a93318061c67572cffbe3d9f883d7326af8a Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Thu, 16 Dec 2010 18:46:17 -0500
Subject: - inlinings - in particular, mapper.primary_key is a tuple now

---
 lib/sqlalchemy/schema.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/sqlalchemy/schema.py')

diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py
index cb6b27e36..67f37e763 100644
--- a/lib/sqlalchemy/schema.py
+++ b/lib/sqlalchemy/schema.py
@@ -1591,7 +1591,11 @@ class ColumnCollectionConstraint(Constraint):
         return self.columns.contains_column(col)
 
     def __iter__(self):
-        return iter(self.columns)
+        # inlining of 
+        # return iter(self.columns)
+        # ColumnCollection->OrderedProperties->OrderedDict
+        ordered_dict = self.columns._data
+        return (ordered_dict[key] for key in ordered_dict._list)
 
     def __len__(self):
         return len(self.columns)
-- 
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