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  3. May 2011

Re: AW: SQL UDF to return edited numeric field

As a follow up on this thread, an article published today and available at
http://www.mcpressonline.com/programming/apis/the-api-corner-dynamically-editing-a-numeric-value.html,
provides a general purpose UDF for the formatting of numeric values. You can
provide the UDF zoned numeric, packed decimal, or integer values, with up to
21 digits to the left of the decimal point and up to 9 to the right, the
precision and scale of the number you actually are providing, and an edit
code. The UDF then returns the edited value as a variable length character
string. The UDF uses the Convert Edit Code API, the Edit API, and the Copy
Numeric Value MI instruction. The UDF is provided as an export from a
*SRVPGM.

Bruce Vining

On Fri, May 6, 2011 at 10:53 AM, Jeff Young <cooljeff913@xxxxxxxxx> wrote:

Thanks Michael,
That was what I was looking for.
The service program is not a problem, just needed the SQL for the function.




Jeff Young
Sr. Programmer Analyst






________________________________
From: "Schutte, Michael D" <Michael_Schutte@xxxxxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Sent: Fri, May 6, 2011 11:18:33 AM
Subject: RE: AW: SQL UDF to return edited numeric field

Have you ever created service programs before? Create one then it's as
simple
as

CREATE FUNCTION LIBRARY/SQL_FUNCTION_NAME (
PARM1 CHAR(1), --must match parm 1 of the procedure being called in
the
service program
PARM2 CHAR(3) -- must match parm 2 if there are more parms to the
procedure then add them, separate with a comma
)
RETURNS CHAR(25) -- this should match what's being returned from
the
called procedure in the service program.
LANGUAGE RPGLE
SPECIFIC SCRLIBTST/SPV_PRICECHANGE -- Just to give this UDF a
specific
name.
DETERMINISTIC -- If same parms are passed on consecutive calls,
returns
same result.
NO SQL -- Tell the UDF that that service program doesn't have SQL
embedded. (I think)
RETURNS NULL ON NULL INPUT
NO EXTERNAL ACTION
NOT FENCED
EXTERNAL NAME 'LIBRARY/SERVICEPGM (PROCEDURETOCALL)' -- WHAT
PROCEDURE
WITHIN THE SERVICE PROGRAM SHOULD BE CALLED.
PARAMETER STYLE GENERAL ;

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:
midrange-l-bounces@xxxxxxxxxxxx]
On Behalf Of Jeff Young
Sent: Friday, May 06, 2011 10:49 AM
To: Midrange Systems Technical Discussion
Subject: Re: AW: SQL UDF to return edited numeric field

Thanks Birgitta,
I have never created a UDF.
Would it be possible to point me to some examples of the SQL code needed?

Thanks again,


Jeff Young
Sr. Programmer Analyst






________________________________
From: Birgitta Hauser <Hauser@xxxxxxxxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Sent: Fri, May 6, 2011 10:13:07 AM
Subject: AW: SQL UDF to return edited numeric field

Hi,

just write an RPG function that edits a numeric value by using either the
built-in-function %EditC or %EditW.
Register this RPG function as UDF and call this UDF from SQL.

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 losing them? Not training them
and keeping them!"


-----Ursprüngliche Nachricht-----
Von: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] Im Auftrag von Jeff Young
Gesendet: Thursday, 05. May 2011 22:57
An: midrange-l@xxxxxxxxxxxx
Betreff: SQL UDF to return edited numeric field

Does anyone have a UDF (or other SQL method) of taking a numeric field and
returning a character value representing the value as edited via an edit
code or
edit word in RPG?
I know that if I use CAST/SUBSTR/CONCAT that I can do this, but was looking
for
a neater way.
Needs to be supported on V5R4 or earlier.

Thanks,

Jeff Young
Sr. Programmer Analyst
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