|
Hi Paul,--
Thanks for the information
but I am not hard coding lengths instead I am taking values from DS
In DS we have subfileds of TrgEvent,OrigOffSet,OrigLength,NewOffSet,NewLength
when ever we try to add record to a particular file TrigeEvent will be "1"
NewOffSet and NewLength will be used for Add operation
and Delete operation Triger Event will be '2'
OrigOffSet and OrigLength will be used for Delete operation
And for Update Operation triger event will be "3"
OrigOffSet and OrigLength for old data and NewOffSet and NewLength for new data.
Example:
SELECT
TrgEvent WHENEQ '1'
Eval FYD7TX = 'ADD'
EVAL FYD8TX = %SubSt(@Parm1: NewOffSet :
NewLength)
TrgEvent WHENEQ '2'
Eval FYD7TX = 'DELETE'
EVAL FYD8TX = %SubSt(@Parm1: OrigOffSet:
OrigLength)
TrgEvent WHENEQ '3'
Eval FYD7TX = 'UPDATE'
EVAL FYD8TX = %SubSt(@Parm1: OrigOffSet :
OrigLength)
EVAL FYC1TX = PGMUSER
WRITE FFYRES5
EVAL FYD8TX = %SubSt(@Parm1: NewOffSet :
NewLength)
ENDSL
EVAL FYC1TX = PGMUSER
WRITE FFYRES5
Eval *InLr = *On
Regards,
Srinivas
________________________________________
From: midrange-l-bounces@xxxxxxxxxxxx [midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Paul Tuohy [tuohyp@xxxxxxxxxxxxxxxxx]
Sent: Wednesday, August 18, 2010 1:16 PM
To: Midrange Systems Technical Discussion
Subject: Re: Trigger Program.
Hi Srinivas,
It may be simple but not a good example. Apart from the fact that the DS
uses absolute notation and binary fields your should NEVER, EVER hard
code lengths/offsets as in the example. What happens this program when
the length of NAME (on the database files - or even worse, on one of the
database files) is changed from 10 to 15?
Should have...
d p_dataIn S *
d dataIn E Ds based(p_dataIn) qualified
/free
p_dataIn = %addr( @parm1 + newOffset );
name = dataIn.name;
address = dataIn.address;
Regards
Paul Tuohy
ComCon
www.comconadvisor.com
www.systemideveloper.com
Srinivas Boggula wrote:
Hi All,--
I found another easy way of doing this Please find attached link below.
http://tutorialindia.com/articles/as400/db2_trigger_example_rpg_iv.php
Regards,
Srinivas
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