Execute a function after event

Hi experts,
i want to execute a function after a event. I give you an example:
Zprogram1call function zfct1.
While execution of function zfct1is running, zprogram2 call function same function zfct1.
But it's possible that function execution from zprogram2 to run only after function execution from zprogram1 is finished? I mean , function execution from zprogram2 to sart delayed...only when zfct1 is available,when it's not running in other process.
Many thanks.
Dan M.

you can go for
CALL FUNCTION func STARTING NEW TASK task
and in the task id pass the same task name(any char variable of length max 8 chars).
so, what happens here is :
prog1 calls fct1 with task T1. (keeps running)
prog2 calls fct1 with task T1.(same T1, so the second call can also access the global variables from first call).
hence, you can have a global variable set to X in the fct1 before the update lines... and at the beginning of fct1 you can check that this global variable NE X. then only continue. else wait until that becomes blank
i have never tried this, but giving you a theory. try implementing it..

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cya....

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/people/surendrakumarreddy.koduru/blog/2009/03/11/how-to-transfer-the-data-from-sap-system-to-non-sap-system-without-additional-costlicense
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--UNAUTHORIZED USERS CAN SEE NO DATA
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Thanks.
After looking at it again, I think that may be the problem, too. I guess the APP_USER is set when in the application builder and the Builder is running the report query as it is being parsed which is causing the error. I added a Begin - Exception block around that query and everything seems to work now.
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Hello,
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Error while executing the function

hi,
I have a table with the following data.
T_1          T_2 T_3        T_4
a.1            1 aa         ff
a.1            2 ab         ff
a.2            1 ba         ff
a.2            2 bb         ff
a.2            3 bc         ff
a.2            4 bd         ff
a.3            1 ca         ff
a.3            3 cc         ff
a.4            2 db         ffi want the data in the following way.
col_1       col_2         col3
a.1         1,2             aa ,ab
a.2         1,2 ,3,4       ba,bb,bc,bd
a.3         1,3             ca,cc
a.4         2                db         For this , i have written a package as shown below.
create or replace package t_emp_pkg as
type typ_emp is record
tv_t_1 t_Emp.t_1%type,
tv_t_2 varchar2(20),
tv_t_3 varchar2(20));
type typ_emp_tab is table of typ_emp;
function t_emp_func(pv_value in varchar2) return typ_emp_tab;
end t_emp_pkg;
create or replace package body t_emp_pkg as
function t_emp_func(pv_value in varchar2) return typ_emp_Tab is
cursor c1(v_value varchar2) is
select distinct t_1 from t_emp where t_4 = v_value ;
cursor c2(pv_t_1 varchar2) is
select t_2,t_3 from t_emp
where t_1 = pv_t_1;
typ_emp_table typ_emp_tab := typ_emp_tab();
t_count number := 0;
c1_cur_rec c1%rowtype;
c2_cur_rec c2%rowtype;
v_temp_value1 varchar2(30);
v_temp_value2 varchar2(30);
begin
open c1(pv_value);
loop
fetch c1 into c1_cur_rec;
exit when c1%notfound;
v_temp_value1 := null;
v_temp_value2 := null;
open c2(c1_cur_rec.t_1);
loop
fetch c2 into c2_cur_rec;
exit when c2%notfound;
v_temp_value1 := v_temp_value1||','||c2_cur_rec.t_2;
v_temp_value2 := v_temp_value2||','||c2_cur_rec.t_3;
end loop;
--close c2;
t_count := t_count+1;
typ_emp_table(t_count).tv_t_1 := c1_cur_rec.t_1;
typ_emp_table(t_count).tv_t_2 := v_temp_value1;
typ_emp_table(t_count).tv_t_3 := v_temp_value2;
--dbms_output.put_line(typ_emp_table(t_count).tv_t_1);
--dbms_output.put_line(typ_emp_table(t_count).tv_t_2);
--dbms_output.put_line(typ_emp_table(t_count).tv_t_3);
end loop;
close c1;
return typ_emp_table;
end;
end;
When i executed the function , i got the following error.
SQL> declare
2 v t_emp_pkg.typ_emp_tab := t_emp_pkg.typ_emp_tab();
3 begin
4 v := t_emp_pkg.t_emp_func('ff');
5 for i in v.first..v.last loop
6 dbms_output.put_line(v(i).tv_t_1 ||', '||v(i).tv_t_2||', '||v(i).tv_t_3);
7 end loop;
8 end;
9 /
declare
ERROR at line 1:
ORA-06533: Subscript beyond count
ORA-06512: at "SCOTT.T_EMP_PKG", line 30
ORA-06512: at line 4
but when i am running this queries in anonymous block (i.e) using declare,begin,end , i am getting the data correctly.
1 declare
2 pv_value varchar2(5) := 'ff';
3   cursor c1(v_value varchar2) is
4 select distinct t_1 from t_emp where t_4 = v_value ;
5 cursor c2(pv_t_1 varchar2) is
6 select t_2,t_3 from t_emp
7 where t_1 = pv_t_1;
8 --typ_emp_table typ_emp_tab := typ_emp_tab();
9 t_count number := 0;
10 c1_cur_rec c1%rowtype;
11 c2_cur_rec c2%rowtype;
12 v_temp_value1 varchar2(300);
13 v_temp_value2 varchar2(300);
14 begin
15 open c1(pv_value);
16 loop
17 fetch c1 into c1_cur_rec;
18 exit when c1%notfound;
19 v_temp_value1 := null;
20 v_temp_value2 := null;
21 open c2(c1_cur_rec.t_1);
22 loop
23 fetch c2 into c2_cur_rec;
24 exit when c2%notfound;
25 v_temp_value1 := v_temp_value1||','||c2_cur_rec.t_2;
26 v_temp_value2 := v_temp_value2||','||c2_cur_rec.t_3;
27 end loop;
28 close c2;
29 t_count := t_count+1;
30 --typ_emp_table(t_count).tv_t_1 := c1_cur_rec.t_1;
31 --typ_emp_table(t_count).tv_t_2 := v_temp_value1;
32 --typ_emp_table(t_count).tv_t_3 := v_temp_value2;
33 dbms_output.put_line(c1_cur_rec.t_1);
34 dbms_output.put_line(v_temp_value1);
35 dbms_output.put_line(v_temp_value2);
36 end loop;
37 close c1;
38* end;
39 /
a.2
,1,2,3,4
,ba,bb,bc,bd
a.3
,1,3
,ca,cc
a.4
,2
,db
a.1
,1,2
,aa,ab
PL/SQL procedure successfully completed.So can anybody tell me why it is not executing correctly when executing as a function.
Thanks in advance.

hi devmiral,
I am not sure exactly where i am making the mistake. I have modified the package but still i am getting the error.
create or replace package body t_emp_pkg as
function t_emp_func(pv_value in varchar2) return typ_emp_Tab is
cursor c1(v_value varchar2) is
select distinct t_1 from t_emp where t_4 = v_value ;
cursor c2(pv_t_1 varchar2) is
select t_2,t_3 from t_emp
where t_1 = pv_t_1;
typ_emp_table typ_emp_tab ;
--:= typ_emp_tab();
t_count number := 0;
c1_cur_rec c1%rowtype;
c2_cur_rec c2%rowtype;
v_temp_value1 varchar2(30);
v_temp_value2 varchar2(30);
begin
open c1(pv_value);
loop
fetch c1 into c1_cur_rec;
exit when c1%notfound;
v_temp_value1 := null;
v_temp_value2 := null;
open c2(c1_cur_rec.t_1);
loop
fetch c2 into c2_cur_rec;
exit when c2%notfound;
v_temp_value1 := v_temp_value1||','||c2_cur_rec.t_2;
v_temp_value2 := v_temp_value2||','||c2_cur_rec.t_3;
end loop;
--close c2;
t_count := t_count+1;
typ_emp_table(t_count).tv_t_1 := c1_cur_rec.t_1;
typ_emp_table(t_count).tv_t_2 := v_temp_value1;
typ_emp_table(t_count).tv_t_3 := v_temp_value2;
typ_emp_table := typ_emp_tab(c1_cur_rec.t_1,v_temp_value1,v_temp_value2);
typ_emp_table.extend;
end loop;
close c1;
return typ_emp_table;
end;
end;
SQL> @t_emp_pkg_body.sql
Warning: Package Body created with compilation errors.
SQL> sho err
Errors for PACKAGE BODY T_EMP_PKG:
LINE/COL ERROR
36/1     PL/SQL: Statement ignored
36/18    PLS-00306: wrong number or types of arguments in call to
         'TYP_EMP_TAB'
36/18    PLS-00306: wrong number or types of arguments in call to
         'TYP_EMP_TAB'
36/18    PLS-00306: wrong number or types of arguments in call to
         'TYP_EMP_TAB'Thanks in advance.

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Hi All,
I'm getting some error while executing planning function. Below are errors. Please check and provide solution.
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Hi,
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Hello everybody,
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Execute a function after event

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