261     def url(self):

   262         """overrides url method so that by default, the view list is called

   263         with sorted entities

   264         """

   265         coltypes = self.rset.column_types(0)

   266         # don't want to generate the rql if there is some restriction on

   267         # something else than the entity type

   268         if len(coltypes) == 1:

   269             # XXX norestriction is not correct here. For instance, in cases like

   270             # Any P,N WHERE P is Project, P name N

   271             # norestriction should equal True

   272             restr = self.rset.syntax_tree().children[0].where

   273             norestriction = (isinstance(restr, nodes.Relation) and

   274                              restr.is_types_restriction())

   275             if norestriction:

   276                 etype = iter(coltypes).next()

   277                 return self.build_url(etype.lower(), vid=self.id)

   278         if len(self.rset) == 1:

   279             entity = self.rset.get_entity(0, 0)

   280             return self.build_url(entity.rest_path(), vid=self.id)

   281         return self.build_url(rql=self.rset.printable_rql(), vid=self.id)

   282