From a726477344eefe8f3f9dbc95a8d81559dacf1aa9 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sat, 3 Sep 2005 03:15:31 +0000
Subject: [PATCH]

---
 lib/sqlalchemy/schema.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py
index 006053dcd6..0bdb155f4f 100644
--- a/lib/sqlalchemy/schema.py
+++ b/lib/sqlalchemy/schema.py
@@ -111,8 +111,10 @@ class Column(SchemaItem):
         self.key = key or name
         self.primary_key = primary_key
         self._items = args
-        self.original = None
+        self._orig = None
         
+    original = property(lambda s: s._orig or s)
+    
     def _set_parent(self, table):
         table.columns[self.key] = self
         if self.primary_key:
@@ -133,7 +135,7 @@ class Column(SchemaItem):
         c = Column(name or self.name, self.type, key = name or self.key, primary_key = self.primary_key)
         c.table = selectable
         c.engine = self.engine
-        c.original = self.original or self
+        c._orig = self.original
         c._items = self._items
         selectable.columns[c.key] = c
         c._impl = self.engine.columnimpl(c)
-- 
2.47.2