--
-- workflow__drop_attribute/2
--
create or replace function workflow__drop_attribute(
  character varying,
  character varying
) returns int4 as $$

declare
  drop_attribute__workflow_key     alias for $1;  
  drop_attribute__attribute_name   alias for $2;  
  v_attribute_id                   integer;        
begin
        select attribute_id into v_attribute_id
        from   acs_attributes
        where  object_type = drop_attribute__workflow_key
        and    attribute_name = drop_attribute__attribute_name;

        PERFORM acs_attribute__drop_attribute (
            drop_attribute__workflow_key,
            drop_attribute__attribute_name
        );

        return 0; 
end;$$ language plpgsql;