How do I get the index of VARRAY items after converting to a table

Question

In the following example I create a VARRAY with 3 items.

TEST@XE> select t1, t2.* from
  2  (select \'X\' as t1 from dual UNION select \'Y\' from dual) t1         


        

Answer 1

 select t1, row_number() over ( partition by t1 order by t1), t2.* from
 (select 'X' as t1 from dual UNION select 'Y' from dual) t1,
 table (sys.odcivarchar2list('a', 'b', 'c'))             t2;