create or replace type TYPETEST as object(
abc varchar2(20)
);
create or replace type typetest1 is table of TYPETEST;
create or replace function fnTestType return typetest1
is
Result typetest1 := typetest1();
begin
Result := typetest1();
Result.extend;
Result(Result.count) := TYPETEST(NULL);
Result(Result.count).abc := 1;
Result.extend;
Result(Result.count) := TYPETEST(NULL);
Result(Result.count).abc := 2;
return(Result);
end fnTestType;
select * from table(cast(fnTestType as typetest1));
drop function fnTestType;
drop type typetest1;
drop type TYPETEST;