Fixed #3450 -- Exposed IntegrityError in a backend-neutral fashion. This is a

useful error to be able to catch explicitly. Thanks, enlight.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@5076 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/backends/mysql_old/base.py

@@ -16,6 +16,7 @@ import types
 import re
 
 DatabaseError = Database.DatabaseError
+IntegrityError = Database.IntegrityError
 
 django_conversions = conversions.copy()
 django_conversions.update({