- refined mapper._save_obj() which was unnecessarily calling

__ne__() on scalar values during flush [ticket:1015]

2 files changed, 5 insertions, 1 deletions

diff --git a/lib/sqlalchemy/engine/base.py b/lib/sqlalchemy/engine/base.py
index 21e0101d2..d7c7cebaa 100644
--- a/lib/sqlalchemy/engine/base.py
+++ b/lib/sqlalchemy/engine/base.py
@@ -1574,7 +1574,10 @@ class ResultProxy(object):
         See ExecutionContext for details.
         """
         return self.context.postfetch_cols
-
+    
+    def prefetch_cols(self):
+        return self.context.prefetch_cols
+        
     def supports_sane_rowcount(self):
         """Return ``supports_sane_rowcount`` from the dialect.
 
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py
index 65867d413..3c1721f9d 100644
--- a/lib/sqlalchemy/engine/default.py
+++ b/lib/sqlalchemy/engine/default.py
@@ -395,3 +395,4 @@ class DefaultExecutionContext(base.ExecutionContext):
                 self._last_updated_params = compiled_parameters
 
             self.postfetch_cols = self.compiled.postfetch
+            self.prefetch_cols = self.compiled.prefetch
\ No newline at end of file