RE: SQL Triggers and Multiple Member Database Files

James,
This is interesting.  How do you define a member as an alias to reference from?
Thanks,
Sudha

Sudha Ramanujan
SunGard Futures Systems
sramanujan@xxxxxxxxxxxxxxxxxx
(312) 577 6179
(312) 577 6101 - Fax

-----Original Message-----
From: Reinardy, James [mailto:jreinardy@xxxxxxxxxxxxxxx] 
Sent: 2005年4月5日 11:25
To: Midrange Systems Technical Discussion
Subject: RE: SQL Triggers and Multiple Member Database Files

Charles,

Thanks for replying. I do have to disagree to a point about one of your
statements.

"Which would make sense since SQL doesn't have any concept of multiple
members."

Well, yes and no.  As a workaround, you can define an alias for a member
and reference it like a table in a SQL statement.  

In this case, what I am really looking for is a way to reference the
trigger buffer in SQL, which contains the member name.  Based on what I
have seen so far, I think you may be correct, Charles.

Thanks,

Jim

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Wilt, Charles
Sent: Tuesday, April 05, 2005 9:57 AM
To: Midrange Systems Technical Discussion
Subject: RE: SQL Triggers and Multiple Member Database Files

As far as I know, it can't be done with an SQL trigger.

Which would make sense since SQL doesn't have any concept of multiple
members.

You have two options:
1) Change the program to use a temporary work file.
2) Use an RPG/COBOL/C program for your trigger.

HTH,


Charles Wilt
iSeries Systems Administrator / Developer Mitsubishi Electric Automotive
America
ph: 513-573-4343
fax: 513-398-1121
 

> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx
> [mailto:midrange-l-bounces@xxxxxxxxxxxx]On Behalf Of Reinardy, James
> Sent: Tuesday, April 05, 2005 10:09 AM
> To: Midrange Systems Technical Discussion
> Subject: SQL Triggers and Multiple Member Database Files
> 
> 
> We are using SQL Triggers on an 830 running v5r2 in connection with an

> application that is writing transactions to an audit file for later 
> updates to a data warehouse.  We are finding that one source of a lot 
> of transactions is a program that creates and then deletes a temporary

> member in one of our major database files. These transactions are 
> useless to us, and are causing some issues because the key values are 
> the same as the primary member, and the audit records show up as 
> another insert of the same keys.  I am looking for a way to reference 
> the member name in the SQL trigger to exclude updates to the secondary

> member from being written to our transaction audit files.  Any ideas 
> about how to do this?
>  
> Thanks,
>  
> Jim Reinardy
> Badger Meter, Inc.
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