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  3. August 2006

Re: Retrieving Last Inserted IDENTITY value

Hope this is not too basic, but it would definitely help me and others here...
I have only used Identity fields for a couple of tools on the iSeries, but I used the AutoIncrement field a LOT when developing apps for Access. On the iSeries apps I always wound up using the Max() technique to get the last inserted.
That said, I am obviously interested in how IDENTITY_VAL_LOCAL is actually used. Can you post a small example? 

Many Thanks!
Joe
----- Original Message ----- From: "Ryan Hunt" <ryan.hunt@xxxxxxxxxxxxx> 
To: <midrange-l@xxxxxxxxxxxx>
Sent: Thursday, August 17, 2006 11:29 AM
Subject: Re: Retrieving Last Inserted IDENTITY value



Thanks.  That's perfect. RH
"Wilt, Charles" <CWilt@xxxxxxxxxxxx> wrote in
message
news:57FCBE9213FC584692CAAECA3F59426F50B2E8@xxxxxxxxxxxxxxxxxxxxxxxxxx

Ryan,

You're looking for the IDENTITY_VAL_LOCAL function.

Note: it returns the last identity value assigned _in_the_job_ calling
the function.

So if you have multiple jobs running, and one calls IDENTITY_VAL_LOCAL,
it gets the last identity assigned in that job.  It doesn't matter what
identities were assigned in the other jobs.

HTH,


Charles Wilt
--
iSeries Systems Administrator / Developer
Mitsubishi Electric Automotive America
ph: 513-573-4343
fax: 513-398-1121


> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] On

Behalf Of Ryan Hunt

> Sent: Thursday, August 17, 2006 2:09 PM
> To: midrange-l@xxxxxxxxxxxx
> Subject: Retrieving Last Inserted IDENTITY value
>
> Is there a DB2/400 function to retrieve the last IDENTITY
> value inserted
> into a table?   For MS SQL there is the SCOPE_IDENTITY()
> function that will
> show the last identity value inserted into any table within
> the scope of the
> current batch.
>
> Is there anything like that for AS400?  I am trying to avoid a select
> MAX(ID) - which is resource intensive and may return
> something inserted
> right after me.
>
>
>
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