--- a/schema.py	Tue Sep 27 16:04:30 2011 +0200
+++ b/schema.py	Wed Sep 28 09:27:42 2011 +0200
@@ -666,6 +666,8 @@
     # these are overridden by set_log_methods below
     # only defining here to prevent pylint from complaining
     info = warning = error = critical = exception = debug = lambda msg,*a,**kw: None
+    # to be defined in concrete classes
+    full_rql = None
 
     def __init__(self, expression, mainvars, eid):
         self.eid = eid # eid of the entity representing this rql expression