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All, thanks for the replies.
Alan, you are correct, my stored proc is an RPGLE program, and it calls
other RPGLE programs directly using a CALL. I am not turning on LR (using a
return), but the performance seems to be slow.
The SQL itself is VERY fast.
cjg

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Alan Campin
Sent: Thursday, February 19, 2009 4:04 PM
To: Midrange Systems Technical Discussion
Subject: Re: Stored procedure that calls another program

Not sure why we are talking about the QCMDEXC. I think and he should confirm
that he means call he call another program from inside is RPGLE stored
procedure program unless I complete misread.


On Thu, Feb 19, 2009 at 1:33 PM, DeLong, Eric
<EDeLong@xxxxxxxxxxxxxxx>wrote:

Elvis,

Just to clarify, is it not still the case that ANY program object in
QSYS.LIB can be called as a stored procedure? Technically, you should
be able to simply CALL LIB/PGM (Parm1, Parm2, Parm...) via SQL, and
expect the target to get invoked.

I understand that its easy for SQL to confuse parameter types, like
treating character literals as VARCHAR and so forth, but I use the
implied SP call methods from SQLRPGLE and not had any issues to this
point...

Just curious,
Eric DeLong

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Elvis Budimlic
Sent: Thursday, February 19, 2009 11:26 AM
To: 'Midrange Systems Technical Discussion'
Subject: RE: Stored procedure that calls another program

Stored procedure can call an RPG program through IBM's QCMDEXC stored
procedure, provided it doesn't need any output arguments from the RPG
program.
Something like:

CALL QCMDEXC('CALL myRpgProgram',17);

If it requires output arguments, then you'll need to register your RPG
program as an external stored procedure.

As for performance, all of the normal performance tips you use for SQL
and/or RPG apply. There is nothing special about this scenario.

Hth, Elvis

Celebrating 11-Years of SQL Performance Excellence on IBM i, i5/OS and
OS/400 www.centerfieldtechnology.com

-----Original Message-----
Subject: Stored procedure that calls another program

I have 2 systems, system A and system B.

System A will use SQL to call a stored procedure on system B.
I have registered the stored procedure on system B. The stored
procedure calls another RPGLE program, does that program also need to
be a stored procedure as well, or is there anything I need to do to
have good performance?

Thanks,

Carl J. Galgano



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