text: --+ holdcas on;
  autocommit off;
  create class detest
  (arg1 real, arg2 int, foo char(1));
  insert into detest (foo) values ('y');
  create class argtest
  class attribute (args sequence ()
  default {(select detest from detest where foo = 'y')});
  select * from detest;
  select args into :p1 from class argtest;
  select a.arg1, a.arg2, a.foo from table(:p1) as t(a);
  rollback;
  
  --+ holdcas off;
  