From 4d2f489bca6b1807724f4b619d70ae8d6d1bda08 Mon Sep 17 00:00:00 2001
From: Russell Keith-Magee <russell@keith-magee.com>
Date: Thu, 11 Feb 2010 12:10:11 +0000
Subject: [PATCH] Fixed #12189 -- Corrected rollback behavior in database cache
 backend. Thanks to Lakin Wecker for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12409 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/core/cache/backends/db.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/django/core/cache/backends/db.py b/django/core/cache/backends/db.py
index 13dc5c1b0c..dd18cd6b1d 100644
--- a/django/core/cache/backends/db.py
+++ b/django/core/cache/backends/db.py
@@ -65,7 +65,7 @@ class CacheClass(BaseCache):
                 cursor.execute("INSERT INTO %s (cache_key, value, expires) VALUES (%%s, %%s, %%s)" % self._table, [key, encoded, str(exp)])
         except DatabaseError:
             # To be threadsafe, updates/inserts are allowed to fail silently
-            transaction.rollback()
+            transaction.rollback_unless_managed()
             return False
         else:
             transaction.commit_unless_managed()