gistfile1.txt

diff -r 9acf39d6f6e7 lib/sqlalchemy/sql/compiler.py
--- a/lib/sqlalchemy/sql/compiler.py  Tue Jan 08 11:05:13 2013 -0500
+++ b/lib/sqlalchemy/sql/compiler.py	Wed Jan 09 11:27:50 2013 -0500
@@ -1438,6 +1438,11 @@
         text += ' SET '
         include_table = extra_froms and \
                         self.render_table_with_column_in_update_from
+        import pdb
+        pdb.set_trace()
+        # now print "extra_froms" - should be empty,
+        # as well as "include_table", should be False
+
         text += ', '.join(
                         c[0]._compiler_dispatch(self,
                             include_table=include_table) +