diff -r 89b825cdec74 -r 08003e0354a7 sobjects/supervising.py
--- a/sobjects/supervising.py	Thu Jun 11 19:04:20 2009 +0200
+++ b/sobjects/supervising.py	Thu Jun 11 19:07:47 2009 +0200
@@ -36,7 +36,8 @@
                 # don't record last_login_time update which are done
                 # automatically at login time
                 return False
-        self.session.add_query_data('pendingchanges', (self._event(), args))
+        self.session.transaction_data.setdefault('pendingchanges', []).append(
+            (self._event(), args))
         return True
 
     def _event(self):
@@ -54,10 +55,8 @@
             # may raise an error during deletion process, for instance due to
             # missing required relation
             title = '#%s' % eid
-        self.session.add_query_data('pendingchanges',
-                                    ('delete_entity',
-                                     (eid, str(entity.e_schema),
-                                      title)))
+        self.session.transaction_data.setdefault('pendingchanges', []).append(
+            ('delete_entity', (eid, str(entity.e_schema), title)))
         return True