Re: Trigger problem - Mailing list pgsql-sql

From Stephan Szabo
Subject Re: Trigger problem
Date
Msg-id 20040609132740.F93111@megazone.bigpanda.com
Whole thread Raw
In response to Trigger problem  ("kasper" <no@spam.com>)
List pgsql-sql
On Tue, 8 Jun 2004, kasper wrote:

> Im tryint to make a trigger that marks a tuble as changed whenever someone
> has updated it
>
> my table looks something like this
>
> create table myTable (
>     ...
>     changed boolean;
> )
>
> now ive been working on a trigger and a sp that looks like this, but it
> doesnt work...
>
> create function myFunction returns trigger as '
>     begin
>         new.changed = true;
>         return new;
>     end;
> ' language 'plpgsql';
>
> create trigger myTrigger
> after update on lektioner
> for each row
> execute procedure myFunction();

You want a before update trigger if you want to update the new row like
that.



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