View and Form 2

Question

Hi Pete and all,
Sorry for the delayed response, as I have lots of workloads lately.
Anyways, here is my Apex test online.
http://apex.oracle.com/pls/apex/f?p=56613
login: test01
password: abc123
ws: dev_ws_100
create table test (name varchar2(100));
insert into test values ('BARACK OBAMA');
create view test_vw(fname,lname) as select regexp_substr(name,'[^ ]+', 1, 1),regexp_substr(name,'[^ ]+', 1, 2) from test;
select * from test_vw;
FNAME    LNAME
BARACK   OBAMA
Then I created an apps page "Form with Report" based on the TEST_VW.
When I insert new rows in the form page, I got error
1 error has occurred
ORA-01733: virtual column not allowed hereHow can I use the table TEST instead of TEST_VW in the form page?
I mean the report on a form will use TEST_VW (view) on the report page and would use TEST (table) on the FORM/UPDATE page.
Plese help....
Thanks,
Kinz

Answer 1

Yikes!!! There is something wrong huhuhu :( when I tried to click the update botton and update the first row , change the first name 'JOHN' to KIRAN, all the succeeding rows is updated to same value. And every other row you query and click update without changing anything with force update as such :((
Kindly debug the issue please....Thanks.
Can you please check if you can use this note courtesy of Pete Mahon:
See what you think of the code below. The beauty of this is that you can change your view and your api as much as you like without affecting the calls your apex application makes, so long as you retain your primary and foreign keys. If you do make a change to the view, you will need to recompile your trigger also. I've only demonstrated for DELETE - you can do this virtually the same for INSERT and UPDATE also.
create table a (a_id int, a_text varchar2(20));
create table b (b_id int, ref_id int, b_text varchar2(20));
begin
insert into a values(1,'Alpha');
insert into a values(2,'Charlie');
insert into a values(3,'Echo');
insert into a values(4,'Golf');
insert into b values(1,1,'Bravo');
insert into b values(2,3,'Delta');
insert into b values(3,3,'Foxtrot');
insert into b values(4,4,'Hotel');
end;
create or replace view a_and_b
as
select a_id
      ,a_text
      ,b_text
from  a, b
where a_id = ref_id (+);      
create or replace procedure a_and_b_delete_api (p_id in int)
is
begin
dbms_output.put_line('p_id is '||p_id);
delete from a where a_id = p_id;
delete from b where ref_id = p_id;
end a_and_b_delete_api;
create or replace trigger a_and_b_t
instead of delete on a_and_b
for each row
declare
begin
a_and_b_delete_api
(   :OLD.a_id
END a_and_b_t;
delete from a_and_b where a_id = 3;
select * from a_and_b;