Re: Python + listen/notify

On Tue, Jul 10, 2012 at 3:56 PM, Filipe Brandão <fg.brandao@gmail.com> wrote:
> Hi all.
> I needed to have a trigger firing after a commit, but allready realized it's not possible.
> As i searched upon a solution i came across the LISTEN / NOTIFY. I haven't yet realized exactly what i can do with
it,but can i use it to run a simple python script located out my DB? 
> Can't run it inside the DB since i need to do it after the completion of a few triggers (after commit).

Certainly: your python program should stay connected to the database,
waiting to receive the NOTIFYs, and then take appropriate action. See:
  http://packages.python.org/psycopg2/advanced.html#asynchronous-notifications

Josh