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If you're using ODBC or something like it, you'll need to work with
"external" stored procedures. I'll send you some documentation that we have
separately as I can't attach on the list.

Gord Royle


-----Original Message-----
From: Arturo_Duarte@xxxxxxxxxxxxxxx
[mailto:Arturo_Duarte@xxxxxxxxxxxxxxx]
Sent: Thursday, March 27, 2003 10:24 AM
To: RPG programming on the AS400 / iSeries
Subject: RE: RPG/LE SQL Result Sets - A real Challenge


Thank you for your response.  I will try to provide a more detailed 
outline of the requirements:
Business Goal:
To retrieve a number of records from different database sources, that are 
loosely connected by a single key (account number), format the data to a 
usable content/context and return all the data to a Web based XML powered 
application.

As outlined:
The use/requirement for a "result set" is the method I am most familiar 
with.  Other options are certainly possible.  My limited knowledge in 
communicating with Web based intra/inter- net applications is in turn, 
based on SQL, either in native form inside a stored procedure, or in 
native form inside an RPG/LE program, which is called/executed by a 
defined stored procedure.  My other team member is more client/server 
based in his knowledge.  His knowledge is somewhat limited in the 
acquisition/use of AS/400 based data.  He is constructing the front end of 
the application, I've been charged with constructing the back-end (data 
I/O).  I have constructed the RPG/LE code to read required data from all 
five tables and capture the data read.  What I lack is the knowledge of 
how to provide that data back to the front-end.  Up until this point, I 
thought it would be via imbedded SQL, with a "result set" returned.

Jim Low
Software Systems Engineer, Sr.





"Joe Pluta" <joepluta@xxxxxxxxxxxxxxxxx>
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
03/26/2003 08:30 PM
Please respond to "RPG programming on the AS400 / iSeries"

 
        To:     "RPG programming on the AS400 / iSeries"
<rpg400-l@xxxxxxxxxxxx>
        cc: 
        Subject:        RE: RPG/LE SQL Result Sets - A real Challenge


> I have a need to return a result set, that unto itself will have five 
(5)
> imbedded result sets.

What is the business goal here?  To turn data into an XML document? 
Because
retrieving heterogenous sets of data, while not the strength of SQL, is
simple for RPG and DB2/400.  If the idea is to retrieve a number of 
records
from different database files and then transform the fields of those 
records
into entries in an XML document, you can do this in RPG without breaking a
sweat.

However, you seem to need a "result set" in the middle of all this, for a
reason that's not clear.  Perhaps if you could state the entire program 
flow
it might be easier to address the problem.

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