RE: Wrap an RPG Procedure with an SQL External Procedure

I'm sorry... good catch Charles... I missed that... I was creating a
function while the original poster was creating a procedure. My bad.


Michael Schutte
"The Secret's the Sauce! Enjoy our new Bob-B-Q Pulled Pork Knife & Fork
Sandwich!"


rpg400-l-bounces@xxxxxxxxxxxx wrote on 11/27/2007 12:47:10 PM:

Stored procedures can't deal with the returned value.

1) Remove the returned indicator
2) Wrap the existing procedure in another that gets rid of the returned

value

3) Define a User Defined Function (UDF) instead of a Stored Procedure.

HTH,
Charles

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
RNewton@xxxxxxxxxxxx
Sent: Tuesday, November 27, 2007 11:44 AM
To: 'RPG programming on the AS400 / iSeries'
Subject: Wrap an RPG Procedure with an SQL External Procedure


Hi all,

I am working on a service program that will need to be called
from both SQL
and other RPG bound applications. I have created the SQL
external procedure
to call one of the RPG procedures in the service program like so:

CREATE PROCEDURE LIBRARY.CALLRPGPROC (
IN APARM CHAR(12) )
LANGUAGE RPGLE
SPECIFIC LIBRARY.SRVPGM01
NOT DETERMINISTIC
MODIFIES SQL DATA
CALLED ON NULL INPUT
EXTERNAL NAME 'LIBRARY/SRVPGM(RPGPROCEDURE)'
PARAMETER STYLE SQL ;

The RPG procedure looks like this:

d rpgProcedure...
d pi N
d pr_aparm 12a const


When I run the SQL proc however, I get the following error:
MCH3601 unmonitored by XIG11S600 at statement 0000000445
(pointer not set for location referenced)

Statement 445 of the RPG proc is the return:
000445 return true;

I have searched the archives, google, and IBM docs but have not been
successful in finding information on how to call an RPG
service program's
procedure that returns a value, from within an SQL external
procedure. Has
anyone ever found any mention of this anywhere? Is it
possible, or do I
have to change my service programs to use inout parms rather
than returning
a value just so that I can wrap it with an SQL proc?

Thanks in advance,
Robert Newton
EDPS
Electronic Data Processing Services
Software Engineer
rnewton@xxxxxxxxxxxxxxxxx

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