# HG changeset patch
# User Sylvain Thénault <sylvain.thenault@logilab.fr>
# Date 1245083427 -7200
# Node ID d7773fb1b892ae8830e27809bf3c960b3ebb9c6a
# Parent  f469368df530984053036b9f4ebb2b80d37ed2c8
add comment explaining the pb

diff -r f469368df530 -r d7773fb1b892 server/msplanner.py
--- a/server/msplanner.py	Mon Jun 15 18:28:44 2009 +0200
+++ b/server/msplanner.py	Mon Jun 15 18:30:27 2009 +0200
@@ -1374,6 +1374,8 @@
         try:
             res = self.visit_default(node, newroot, terms)[0]
         except:
+            # when a relation isn't supported, we should dereference potentially
+            # introduced variable refs
             for vref in self._pending_vrefs:
                 vref.unregister_reference()
             raise