Re: Suggested Technic

[rob@xxxxxxxxx]

I like this one.

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





"Hauser, Birgitta" <Birgitta.Hauser@xxxxxxxxxxx> 
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
01/31/2005 08:01 AM
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RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>


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Subject
Re: Suggested Technic






Hi,

 

why not simply add a before insert trigger, that calculates and inserts 
the
new current number.

Something like this:

 

Create Trigger MyLib/InsCurrNbr

       BEFORE INSERT on MyFile

       Referencing NEW as INS

       For Each Row

       Mode DB2ROW

   Select  Coalesce(Max(a.CurrNbr) + 1 , 1)

      into INS.CurrNbr

      from MyFile a

      where a.Key = INS.Key;

 

With a  Before Insert Trigger the current number is always calculated and
inserted in the record, when a new record is added to the file.

Independend from the used interface (Native I/O, UPDDTA, Interactive SQL
...)

 

 

Mit freundlichen Grüßen

 

i.A. Birgitta Hauser

 

LUNZER + PARTNER GMBH

Unternehmensberatung

Carl-Zeiss-Straße 1

63755 Alzenau

 

Tel:         + 49 6023 951-255

Fax:        + 49 6023 951-111

Internet.  www.lp-gmbh.com <http://www.lp-gmbh.com> 

              www.rpg-schulung.de <http://www.rpg-schulung.de> 

 

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