changed type engine default comparison from identity to equality

diff --git a/lib/sqlalchemy/types.py b/lib/sqlalchemy/types.py
index d1ede61c50cf8ac4337468bcfee0d34182bd7397..07bc3c250739853eec6be9c86af16f28d281c7d7 100644 (file)
--- a/lib/sqlalchemy/types.py
+++ b/lib/sqlalchemy/types.py
@@ -27,7 +27,7 @@ class AbstractType(object):
         return value
 
     def compare_values(self, x, y):
-        return x is y
+        return x == y
 
     def is_mutable(self):
         return False