- Fixed ReturningResultProxy for zxjdbc dialect.

[ticket:2272].  Also in 0.6.9

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/sqlalchemy/dialects/oracle/zxjdbc.py b/lib/sqlalchemy/dialects/oracle/zxjdbc.py
index 6ec339726..baa36b22b 100644
--- a/lib/sqlalchemy/dialects/oracle/zxjdbc.py
+++ b/lib/sqlalchemy/dialects/oracle/zxjdbc.py
@@ -21,6 +21,7 @@ from sqlalchemy.connectors.zxJDBC import ZxJDBCConnector
 from sqlalchemy.dialects.oracle.base import OracleCompiler, OracleDialect, OracleExecutionContext
 from sqlalchemy.engine import base, default
 from sqlalchemy.sql import expression
+import collections
 
 SQLException = zxJDBC = None
 
@@ -138,7 +139,7 @@ class ReturningResultProxy(base.FullyBufferedResultProxy):
         return ret
 
     def _buffer_rows(self):
-        return [self._returning_row]
+        return collections.deque([self._returning_row])
 
 
 class ReturningParam(object):