Made psycopg2 backend behave the same as the other backends when it c…

…omes to unicode and datetime time zone info. See [http://groups.google.com/group/django-developers/browse_frm/thread/4575a3fe0d78e2e4/d607d96f7b422620#d607d96f7b422620 the django-dev thread] for details.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3675 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/backends/postgresql_psycopg2/base.py

@@ -11,10 +11,6 @@
     from django.core.exceptions import ImproperlyConfigured
     raise ImproperlyConfigured, "Error loading psycopg2 module: %s" % e
 
-# Register Unicode conversions
-import psycopg2.extensions
-psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
-
 DatabaseError = Database.DatabaseError
 
 try:
@@ -47,6 +43,7 @@ def cursor(self):
             self.connection = Database.connect(conn_string)
             self.connection.set_isolation_level(1) # make transactions transparent to all cursors
         cursor = self.connection.cursor()
+        cursor.tzinfo_factory = None
         cursor.execute("SET TIME ZONE %s", [settings.TIME_ZONE])
         if settings.DEBUG:
             return util.CursorDebugWrapper(cursor, self)