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  1.  Home
  2. RPG400-L
  3. April 2022

RE: [EXTERNAL] Re: External Re: Stored Procedure with large result set

Just curious--can you use CLOB definitions to overcome that 32K limitation? CLOBs go up to 2GB. I have used CLOBs in both IBMi SQL stored procedures and IWS web (REST) APIs.

Thanks,

Kelly Cookson
Senior Software Engineer II
Dot Foods, Inc.
1-217-773-4486 ext. 12676
www.dotfoods.com


-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Jon Paris
Sent: Friday, April 8, 2022 10:44 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: [EXTERNAL] Re: External Re: Stored Procedure with large result set

Yup - it is an SQL limitation. I thought they would have fixed that by now but apparently not.

Jon P.

On Apr 8, 2022, at 9:27 AM, Robert Rogerson <rogersonra@xxxxxxxxx> wrote:

Hi Jerry, could you be running into this restriction?

Using the multiple-row FETCH statement The multiple-row FETCH
statement can be used to retrieve multiple rows from a table or view
with a single FETCH statement. The program controls the blocking of
rows by the number of rows requested on the FETCH statement (The
Override Database File (OVRDBF) command has no effect.). The maximum
number of rows that can be requested on a single fetch call is 32 767.
After the data is retrieved, the cursor is positioned on the last row
retrieved.

Extracted from the IBM i Database SQL programming manual.

Sounds like you may be extending past the limit when you increase to 50,000.

Rob

On Fri, Apr 8, 2022 at 9:13 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
not click links or open attachments unless you recognize the sender
and know the content is safe.

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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