Re: SQL call to get pid of current connection

On Thu, Jun 02, 2005 at 05:02:14PM -0500, Bruno Wolff III wrote:
> On Thu, Jun 02, 2005 at 17:04:22 -0400,
>   David Parker <dparker@tazznetworks.com> wrote:
> > Is there a function call that will return the pid of the postgres
> > process associated with the current client connection?
>
> I thought I remembered seeing one, but I looked through the development
> docs and didn't see a function or a GUC variable with that information.

Are you looking for pg_backend_pid()?  It's documented in the
"Statistics Collector" section of the "Monitoring Database Activity"
chapter; it's been around since 7.3:

http://www.postgresql.org/docs/7.3/interactive/release-7-3.html
http://www.postgresql.org/docs/7.3/interactive/monitoring-stats.html
http://www.postgresql.org/docs/7.4/interactive/monitoring-stats.html
http://www.postgresql.org/docs/8.0/interactive/monitoring-stats.html

--
Michael Fuhr
http://www.fuhr.org/~mfuhr/