Re: ON INSERT => execute AWK/SH/EXE?

On Sep 17, 2007, at 9:50 AM, Bima Djaloeis wrote:

> Hi there,
>
> I am new to PostgreSQL, is it possible to create something so that
>
> 1) If I insert / update / delete an item from my DB...
> 2) ... an awk / shell / external program is executed in my UNIX
> System?
>
> If yes, how do I do this and if no, thanks for telling.
>

Yes it's possible, but it's probably a really bad idea, so I'm not
going to tell you how.

Instead, use a trigger to store a message in a queue table, then have
an external persistent process poll the queue table (or use listen/
notify to sleep until new messages to be added to the queue).

Cheers,
   Steve