I have this situation:

CREATE TYPE parent AS OBJECT (att1 NUMBER(1), att2 NUMBER(1)) NOT FINAL;
CREATE TYPE child1 UNDER PARENT (att3 NUMBER(1));
CREATE TYPE child2 UNDER PARENT (att4 NUMBER(1), att5 NUMBER(1));
CREATE TABLE test OF parent;
CREATE TABLE test_2 OF parent;



whish to create trigger/s that each time i insert a row in "test" table that has att1 = 1, that row is added to test_2 too.

If there was no inheritance, i would create something like:

CREATE TRIGGER trig
AFTER INSERT
FOR EACH ROW
WHEN (new.att1 = 1)
BEGIN
  INSERT INTO test_2 VALUES (parent(:new.att1, :new.att2));
END;



But since there is inheritance how can i know if it's a row of type "child1" or "child2"?
According to http://asktom.oracle.com/~tkyte/Mutate/index.html i could save the rowid of the added row: maybe i can then check with something like:

SELECT VALUE(t) FROM test t WHERE t.rowid = rowIdSavedOnPkg



and then check if the result is an object of child1 or child2.
Is that possible? And if yes, how?
Thanks in advance.