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Charles,

I don't know if this will help or not, but these are the procedures I use to move CLOBS around, should work the same for BLOBS give or take.

http://code.midrange.com/697452ba63.html

Let me know if anything doesn't make sense.

Duane Christen

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Charles Wilt
Sent: Friday, February 13, 2009 12:18 PM
To: Midrange Systems Technical Discussion
Subject: Re: Return BLOB from Stored Procedure

Thanks Elvis,

You're thinking was along mine, but a quick test:

d myRs ds qualified dim(10)
d fld1 10a
d myBlob SQLTYPE(BLOB:32766)


/free
exec sql set result sets array :myRS for 1 rows;

*INLR = *ON;
return;
/end-free


Doesn't compile. Once I added the BLOB field, I get a
SQL5011 Position 58 Host structure array MYRS not defined or not usable.

I might look at doing it from C. I suspect I might have better luck.

Charles


On Fri, Feb 13, 2009 at 10:21 AM, Elvis Budimlic <ebudimlic@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
You have to have a cursor to return a result set from a stored
procedure, so sql SP doesn't sound like a good choice.
I've never done this in an HLL, but it might be possible.

Here's a link to one of Scott's articles demonstrating BLOB field
declaration within RPG:
http://systeminetwork.com/article/rpg-vs-blob

And here's a link to documentation for SET RESULT SETS ARRAY
yourLocalStructure FOR 1 ROWS type statement:
http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/db2/rbafzm
sthset
rs.htm

I think it's worth a test, if it compiles :)

Elvis

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


-----Original Message-----
Subject: Return BLOB from Stored Procedure

All,

I've got a .PDF file in the IFS I want to return as a BLOB column in a
result set from a stored procedure.

Stored procedure can be written in SQL or RPG, it doesn't matter.
(Thus the cross post, sorry David :)

The stored procedure will return just a single row.

Can I do this directly without loading the BLOB column into a
temporary table?

Links and/or examples appreciated.


Thanks!
Charles



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