Re: Using Postgresql as application server

Chris Travers <chris.travers@gmail.com>

From: Chris Travers <chris.travers@gmail.com>
To: Dimitri Fontaine <dimitri@2ndquadrant.fr>
Cc: Darren Duncan <darren@darrenduncan.net>, pgsql-general@postgresql.org
Date: 2011-08-18T15:37:53Z
Lists: pgsql-general
On Thu, Aug 18, 2011 at 3:40 AM, Dimitri Fontaine
<dimitri@2ndquadrant.fr> wrote:
> Chris Travers <chris.travers@gmail.com> writes:
>> I want an email to go out to the ordering manager when the quantity I
>> have of an item drops below the re-order point.  I also want this
>> email NOT to go out if the transaction rolls back.  (Wait, the order
>> of 50000 widgets I just processed rolled back because it isn't to a
>> valid customer!  We normally only sell 50000 per year anyway.  No need
>> for the email.)
>
> Just use PGQ and be done with it.  You have transactional and
> asynchronous behavior.  Typically, a trigger would produce events in the
> queue, and a separate daemon will consume the queue and send emails.
>
That actually looks quite helpful.  Thanks.

Best Wishes,
Chris Travers