magic-removal: Fixed a problem with query join order caused by a join dictionary being instantiated as a dict(), rather than a SortedDict().

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@2303 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/query.py

@@ -453,7 +453,7 @@ class QOperator:
         self.args = args
 
     def get_sql(self, opts):
-        tables, joins, where, params = [], {}, [], []
+        tables, joins, where, params = [], SortedDict(), [], []
         for val in self.args:
             tables2, joins2, where2, params2 = val.get_sql(opts)
             tables.extend(tables2)