Re: Triggers - need help !!! - Mailing list pgsql-sql

From Pradeepkumar, Pyatalo (IE10)
Subject Re: Triggers - need help !!!
Date
Msg-id 77ED2BF75D59D1439F90412CC5B109740E8A2E38@ie10-sahara.hiso.honeywell.com
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In response to Triggers - need help !!!  ("Pradeepkumar, Pyatalo (IE10)" <Pradeepkumar.Pyatalo@honeywell.com>)
Responses Re: Triggers - need help !!!
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Thanks a lot for ur help.In the trigger, I am checking if a field is updated or not. The syntax I
use is

IF UPDATE(CreateTime) THEN........
END IF;

Is this syntax correct.


-----Original Message-----
From: Tomasz Myrta [mailto:jasiek@klaster.net]
Sent: Wednesday, July 07, 2004 12:50 PM
To: Pradeepkumar, Pyatalo (IE10)
Cc: pgsql-sql@postgresql.org
Subject: Re: [SQL] Triggers - need help !!!


On 2004-07-07 08:45, Użytkownik Pradeepkumar, Pyatalo (IE10) napisał:
> Hi,
>
> I am writing some triggers for my project.
> I am writing a trigger on a table after delete....I want to know how u
refer
> to the row that is being deleted.
>
> For example for a trigger function after INSERT/UPDATE u refer to the row
> being inserted/updated using NEW like this....

Use OLD instead of NEW.
You can also use OLD inside UPDATE triggers - you have access to row
before update.

Regards,
Tomasz Myrta


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