254         except AttributeError:

   254         except AttributeError:

   255             # constant restriction

   255             # constant restriction

   256             # XXX: X title LOWER(T) if it makes sense?

   256             # XXX: X title LOWER(T) if it makes sense?

   257             return None

   257             return None

   258         if rschema.final:

   258         if rschema.final:

   260                 # attribute selection

   261                 # attribute selection

   261                 return ovar

   262                 return ovar

   262             return None

   263             return None

   263         opt = 'right'

   264         opt = 'right'

   264         cardidx = 0

   265         cardidx = 0