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Re: Getting process id of a connection?

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Joshua D. Drake wrote:
On Fri, 4 Jan 2008 14:59:47 -0800
"Webb Sprague" <webb.sprague@xxxxxxxxx> wrote:

Hi all,

Is there a way to determine the pid of a database connection from
within that connection?

As a hypothetical example, I would like to be able to do the
following:

$ps x
  PID TTY      STAT   TIME COMMAND
11674 ?        S      0:00 sshd: webbs@pts/1
11675 pts/1    Ss     0:00 -bash
11682 pts/1    T      0:00 psql
11685 pts/1    R+     0:00 ps x

psql=# select CURRENT_PID;
11682

I want this so that I can log the psycopg2 connection pid, and kill it
to test reconnection code.

postgres=# select procpid from pg_stat_activity;
procpid - ---------
   30851
   17510
    4496
   20237
    1305
(5 rows)

I think he's looking for the pid of the client, not the server.

cww=# select procpid from pg_stat_activity;
 procpid
---------
    8902
(1 row)

8902 ? Ss 0:00 \_ postgres: cww cww 192.168.171.100(40424) idle

Colin

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