What Rob is trying to get at is repost your question on

I've cross posted it for you. If you have not signed up for that list
please do and you'll see some of the best IBM i SQL experts in the world
work with your question.

Jim Oberholtzer
Agile Technology Architects

-----Original Message-----
From: Midrange-NonTech [mailto:midrange-nontech-bounces@xxxxxxxxxxxx] On
Behalf Of Rob Berendt
Sent: Tuesday, March 29, 2016 6:35 AM
To: Non-Technical Discussion about the IBM i (AS/400 and iSeries)
Subject: Re: Common Table Expressions with UPDATE

I think this definitely qualifies as a 'technical' topic and not a
'nontechnical' topic.
I am not nit picking. There are a lot of good technical people on the
technical list who simply do not have the time nor desire for some of the
stuff on the 'nontechnical' list.

Rob Berendt
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail
to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755

From: dlclark@xxxxxxxxxxxxxxxx
To: Midrange-Nontech <midrange-nontech@xxxxxxxxxxxx>
Date: 03/28/2016 06:10 PM
Subject: Common Table Expressions with UPDATE
Sent by: "Midrange-NonTech" <midrange-nontech-bounces@xxxxxxxxxxxx>

Sorry if this has been asked before -- I am new to this list. Are

Common Table Expressions (CTE) not supported for UPDATE statements? Since

I am getting Message: [SQL0199] Keyword UPDATE not expected. Valid tokens:

( SELECT VALUES. this leads to me to this conclusion -- unfortunately.
Tell me it ain't so.

With SequList (WaitId, ItemName, ItemType, ItemAttr, WaitSequ)
as (Select UTWAITLT_ID, Item_Name, Item_Type, Item_Attribute,
From Waiting_List
Where Item_Name = 'UTWAITBRSM'
And Item_Type = '*MODULE'
And Item_Attribute = 'SQLRPM'
Order by Item_Name, Item_Type, Item_Attribute, Wait_Sequence
Update SequList as cte
Where cte.WaitId IN (Select WaitId from SequList)
Order by Item_Name, Item_Type, Item_Attribute, Wait_Sequence;

Basically, what I am trying to accomplish is to resequence, in
place, a numeric column from 10 by 10. This is used in a priority list
where an entry's priority can change. Thus, for example, if there are 5
entries in a particular group and the entry at priority 30 is changed to
priority 5, I then want to resequence that group of entries from 10 such
that the changed entry will remain with the highest priority of 10 --
i.e., raising it from 30 to 10 -- and moving all other entries in the
group down by 10 for each existing entry. I've been able to resequence
the column but I have not been able to resequence according to the new
priority sequence -- rather, it resequences by the primary identity key no

matter what I try. How can I accomplish this?


Dave Clark
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