Call ALV custom function externally

Hi,
I am wondering whether it is possible to call a custom function of an ALV from a method because I don't want to repeat coding.
Best regards,
ts

Hi ts,
Option 1:
You can use class CL_SALV_WD_TABLE_FUNCTION to create object R_PARAM.
Sample Code:
          data lo_r_param type ref to cl_salv_wd_table_function.
           data lo_event      type ref to cl_wd_custom_event.
               "Create r_param object
               create object lo_r_param.
               "Create wdevent object & fill event parameters
               create object lo_event
               exporting
                    id = 'ADD' .
               WD_THIS->ON_ADD_LINE(
               exporting
                    wdevent = lo_event
                    r_param = lo_param ).
Note: here ON_ADD_LINE is the event handler method triggered for alv table function
Option 2
Also, you can make the parameter R_PARAM as optional in event handler method, so that you no need to pass r_param while calling the event handler method explicitly.
Hope this helps you.
Regards,
Rama

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I have ran into issue while calling a custom function in merge command.
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I don't have privileges to create dblink, but this is working for me.
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satyaki>
satyaki>select * from v$version;
BANNER
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
PL/SQL Release 10.2.0.1.0 - Production
CORE    10.2.0.1.0      Production
TNS for Linux: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production
Elapsed: 00:00:01.02
satyaki>
satyaki>
satyaki>create table hist_tab
2     as
3       select * from emp
4       where sal between 2000 and 4000;
Table created.
Elapsed: 00:00:00.09
satyaki>
satyaki>select * from hist_tab;
     EMPNO ENAME      JOB              MGR HIREDATE         SAL       COMM     DEPTNO JOB1      DOB
      7844 TURNER     SALESMAN        7698 08-SEP-81       2178          0         30 SALESMAN
Elapsed: 00:00:00.00
satyaki>
satyaki>
satyaki>update hist_tab
2     set mgr = 7794;
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Elapsed: 00:00:00.01
satyaki>
satyaki>commit;
Commit complete.
Elapsed: 00:00:00.00
satyaki>
satyaki>select * from hist_tab;
     EMPNO ENAME      JOB              MGR HIREDATE         SAL       COMM     DEPTNO JOB1      DOB
      7844 TURNER     SALESMAN        7794 08-SEP-81       2178          0         30 SALESMAN
Elapsed: 00:00:00.00
satyaki>
satyaki>
satyaki>
satyaki>
satyaki>create table tran_tab
2     as
3       select * from emp
4       where sal between 2000 and 7000;
Table created.
Elapsed: 00:00:00.00
satyaki>
satyaki>select * from tran_tab;
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      7844 TURNER     SALESMAN        7698 08-SEP-81       2178          0         30 SALESMAN
      7902 FORD       ANALYST         7566 03-DEC-81    5270.76                    20 ANALYST
Elapsed: 00:00:00.00
satyaki>
satyaki>ed
Wrote file afiedt.buf
1 create or replace function fun(c_in number)
2     return number
3     is
4       c_out number(4);
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8       else
9         c_out := 1;
10       end if;
11       return c_out;
12*    end;
13 /
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Elapsed: 00:00:01.00
satyaki>
satyaki>merge into hist_tab o
2 using (
3     select empno,
4            ename,
5            job,
6            mgr,
7            hiredate,
8            sal,
9            comm,
10            deptno,
11            job1,
12            dob
13     from (
14              select k.*,
15                     rank() over(order by fun(k.empno)) rn
16              from tran_tab k
17          )
18     where rn = 1
19     ) n
20 on ( o.empno = n.empno)
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23               o.job = n.job,
24               o.mgr = n.mgr,
25               o.hiredate = n.hiredate,
26               o.sal = n.sal,
27               o.comm = n.comm,
28               o.deptno = n.deptno,
29               o.job1 = n.job1,
30               o.dob = n.dob
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33            o.empno,
34            o.ename,
35            o.job,
36            o.mgr,
37            o.hiredate,
38            o.sal,
39            o.comm,
40            o.deptno,
41            o.job1,
42            o.dob
43          )
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46            n.ename,
47            n.job,
48            n.mgr,
49            n.hiredate,
50            n.sal,
51            n.comm,
52            n.deptno,
53            n.job1,
54            n.dob
55          );
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satyaki>
satyaki>select * from hist_tab;
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      7844 TURNER     SALESMAN        7698 08-SEP-81       2178          0         30 SALESMAN
Elapsed: 00:00:00.00
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Regards.
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Hi,
1)
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type-pools icon.
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jimbo

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