Re: Identity Columns

May I suggest you email rchudb @ us dot ibm dot com.  They should be able 
to help you.  In case someone has a tough time figuring out rchudb that's 
short for Rochester Universal Data Base.

Rob Berendt
-- 
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





"Bramley, Stu" <stu.bramley@xxxxxxxxxxxxx> 
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
04/29/2005 06:29 AM
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Subject
Identity Columns






I can't find anything in the IBM manuals to explain what is 'supposed'
to happen when using an identity column with the identity value
generated by default in RPG.

An article by Kent Milligan on the iSeries network site at: 
http://www.iseriesnetwork.com/artarchive/index.cfm?fuseaction=viewarticl
e&CO_ContentID=15329&channel=art&subart=issue&issueid=677

states that :

"If a row is added via a non-SQL application interface (e.g., RPG
Write), DB2 UDB will always generate the identity column value even if
BY DEFAULT has been specified."

However our (VR53) box doesn't behave in this manner - if an RPG program
writes a record or it is inserted by another means (eg. DFU without
specifying a value for the identity column) it is written as zero.

As I can't find IBM documentation saying how this is supposed to work, I
don't know if this is a bug, or it is working as designed... Is there a
way (compile option?) to make the database generate the value for the
identity column without specifying generated always (which doesn't work
with our HA mirroring software)?

Cheers,
Stu

Stuart Bramley 
Senior Technical Developer 
Skandia Life::GroupIT 
Southampton 
t: 023 80 72 64 29 e: stu.bramley@xxxxxxxxxxxxx 
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