Maybe create your function using VARCHAR instead of CHAR - or explicitly CAST the values in your SELECT to be CHAR values.

-------------- Original message ----------------------
From: Alan Shore <AlanShore@xxxxxxxx>

Thanks for your reply Birgitta
Unfortunately I still got the same response

ITEM SKUNO AVAIL
NO.
SUFFIX
0011 000070 ++++++++++++



Alan Shore
Programmer/Analyst, Direct Response
E:AShore@xxxxxxxxxxx
P:(631) 244-2000 ext. 5019
C:(631) 880-8640
"If you're going through Hell, keep going" - Winston Churchill

midrange-l-bounces@xxxxxxxxxxxx wrote on 09/29/2008 01:39:32 PM:

Hi,

I assume it's the parameter style.
Parameter style expects some additional (optional) parameters that must
be
defined in the procedure interface or *ENTRY PLIST.
Try to recreate your function with parameter style general. With
parameter
style general only the defined parameters are passed to the RPG function.

Overloading cannot be the problem, because the function gets called.
If a function is overloaded and the parameters are not passed with the
same
data types (BTW length must not be an exact match, because it's not
checked), the function gets not called at all. Be careful CHAR and
VARCHAR
are different data types. SMALLINT, INT and BIGINT are also 3 different
data
types.

Mit freundlichen Grüßen / Best regards

Birgitta Hauser

"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and loosing them? Not training
them
and keeping them!"

-----Ursprüngliche Nachricht-----
Von: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] Im Auftrag von Alan Shore
Gesendet: Monday, 29. September 2008 17:41
An: Midrange Systems Technical Discussion
Betreff: Creating an SQL function

Good morning all
I am trying to create an SQL function that uses a sub procedure within a
service program
Here is what I attempted
Within STRSQL

create function MYLIB/AVAILQTY (CHAR, CHAR)
returns DECIMAL(9,0)
External Name 'PRODLIB/SERVPGM(SUBPROC)'
Language RPGLE
Disallow Parallel
No SQL
Parameter Style DB2SQL
Deterministic

When I attempt to use this, for example
SELECT SUFFIX, SKUNO, AVAILQTY(SUFFIX, SKUNO)
FROM ITEMMSTR WHERE SUFFIX = '0011' AND SKUNO = '000070'

What I get is
ITEM SKUNO AVAILQTY
NO.
SUFFIX
0011 000070 ++++++++++++
The input to the sub procedure is 2 fields 4 characters, 6 characters
The output from the sub procedure is decimal(9,0) as noted above
I'll be honest
I don't know where to start on debugging this
If anyone can help, it would be much appreciated)


Thanks in advance



Alan Shore
Programmer/Analyst, Direct Response
E:AShore@xxxxxxxxxxx
P:(631) 244-2000 ext. 5019
C:(631) 880-8640
"If you're going through Hell, keep going" - Winston Churchill
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