RE: External Re: Stored Procedure with large result set -- RPG400-L

IMHO the Resultset Data Structure is interpreted as a Character (String) ...
and the maximum Length in SQL for a Character Field is 32K

Mit freundlichen Grüßen / Best regards

Birgitta Hauser
Modernization ? Education ? Consulting on IBM i

"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
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-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Charles
Wilt
Sent: Freitag, 8. April 2022 16:24
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: External Re: Stored Procedure with large result set

Ok, so technically that's a pre-compiler error ...

I can't find the limit Robert references, nor an explicit one for SET
RESULTS in the 7.4 docs. (I assume you are running 7.4?)

So I'm not sure if the limitation is from the pre-compiler or the DB itself.
But either way, you'd have to change your approach to "work around" it.

Charles

On Fri, Apr 8, 2022 at 7:13 AM (WalzCraft) Jerry Forss
<JForss@xxxxxxxxxxxxx>
wrote:

Here is some of the code.

When I change the elements to 30000 it compiles. At 50000 it does not.

I have also tried it a Mult occurrence DS

// Result Set
Dcl-DS Results Dim(50000) Qualified Inz;
RCustNo Char(8);
RAttr Char(20);
RAttrDesc Char(100);
RAttrValue Char(100);
End-DS;

DIAGNOSTIC MESSAGES MSG
ID SEV RECORD TEXT
SQL5011 30 509 Position 29 Host structure array RESULTS not defined
or
not usable. Reason: The dimension of the host
structure
array is larger than what is supported by SQL.
Message Summary

Exec SQL
Set Result Sets Array :Results For :Row Rows;

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Charles Wilt
Sent: Thursday, April 7, 2022 10:42 PM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: External Re: Stored Procedure with large result set

CAUTION: This email originated from outside of the organization. Do
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Jon,

Never said he was...given that he didn't mention the error, just that
it was a compiler error, I said it was an RPG limit..

Which one, I don't have enough info to know.

Charles

On Thu, Apr 7, 2022 at 4:32 PM Jon Paris <jon.paris@xxxxxxxxxxxxxx> wrote:

There is no 32K array size limit in RPG Charles.

Jon P.

On Apr 7, 2022, at 1:00 PM, Charles Wilt <charles.wilt@xxxxxxxxx>

wrote:

I assume this is an RPG program/prodedure being used as a SQL
externally defined stored procedure?

How is the RPG generating the results set?

Sounds like you're trying to build an array(?) in RPG and return
that as

a

result set?
And running into RPG limits, in that case nope.

You'd need to switch to using an SQL cursor to return a bigger
result

set.

Charles

On Thu, Apr 7, 2022 at 10:54 AM (WalzCraft) Jerry Forss <
JForss@xxxxxxxxxxxxx> wrote:

Hi All,

I have a request for a Stored Procedure that will return a result
set

with

around 50,000 rows.
It seems the limit is set at around 32,000 rows, otherwise the
pgm will not compile.

There are over 3 million records in the file that I want to
return a subset.
This is called from the network side of the world.

Is there any way around this limit?

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