2 files changed, 9 insertions, 2 deletions
diff --git a/lib/sqlalchemy/engine/base.py b/lib/sqlalchemy/engine/base.py
index bd82f897d..f554d6a16 100644
--- a/lib/sqlalchemy/engine/base.py
+++ b/lib/sqlalchemy/engine/base.py
@@ -939,7 +939,7 @@ class Transaction(object):
         method returns.
 
         This is used to cancel a Transaction without affecting the scope of
-        an enclosign transaction.
+        an enclosing transaction.
         """
         if not self._parent._is_active:
             return
diff --git a/lib/sqlalchemy/engine/threadlocal.py b/lib/sqlalchemy/engine/threadlocal.py
index dc6b6007f..8eb039208 100644
--- a/lib/sqlalchemy/engine/threadlocal.py
+++ b/lib/sqlalchemy/engine/threadlocal.py
@@ -76,7 +76,11 @@ class TLSession(object):
                 self.reset()
         elif self.__tcount > 1:
             self.__tcount -= 1
-
+            
+    def close(self):
+        if self.__tcount == 1:
+            self.rollback()
+        
     def is_begun(self):
         return self.__tcount > 0
 
@@ -138,6 +142,9 @@ class TLTransaction(base.Transaction):
     def commit(self):
         self._session.commit()
 
+    def close(self):
+        self._session.close()
+
     def __enter__(self):
         return self