Re: Another SQL headbanger -- RPG400-L

× The internal search function is temporarily non-functional. The current search engine is no longer viable and we are researching alternatives.
As a stop gap measure, we are using Google's custom search engine service.
If you know of an easy to use, open source, search engine ... please contact support@midrange.com.

update thetable
set Date = :newdate,
line = 1 + ( select coalesce( max( line ) , 0 )
from thetable
where EmpID = :empid and Date = :newdate )
where empid = :empid
and date = :olddate
and line = :line

On 9/6/07, Pete Helgren <Pete@xxxxxxxxxx> wrote:

I have another issue where I am updating a file using SQL and it could
potentially create duplicates. Rather than omit the duplicates, I want
to modify the values so the duplicates won't occur. There is a line
number field in the table that I can increment by 1 if I find a record
that is a duplicate and that will eliminate a duplicate value.

For example the data might be

EmpID Date Line#
446 071507 1
446 071507 2
446 072507 1

So if I want to change the date from 072507 to 071507 I also need to
change the line to 3.

Any ideas ?

Pete Helgren

--
This is the RPG programming on the AS400 / iSeries (RPG400-L) mailing list
To post a message email: RPG400-L@xxxxxxxxxxxx
To subscribe, unsubscribe, or change list options,
visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
or email: RPG400-L-request@xxxxxxxxxxxx
Before posting, please take a moment to review the archives
at http://archive.midrange.com/rpg400-l.

This mailing list archive is Copyright 1997-2024 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.