Re: Using Postgresql as application server - Mailing list pgsql-general

From Chris Travers
Subject Re: Using Postgresql as application server
Date
Msg-id CAKt_ZftVuL_GXo-WPjNvX15YFX6_FRFhf2p4powPcKN2KYAeyA@mail.gmail.com
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In response to Re: Using Postgresql as application server  (Dimitri Fontaine <dimitri@2ndQuadrant.fr>)
List 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

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