try this

select pg_cancel_backend(<processid_db>);

if the command not work kill the process in os

kill -9 proccessid_os



--- On Thu, 7/3/08, Carol Walter <walterc@indiana.edu> wrote:

> From: Carol Walter <walterc@indiana.edu>
> Subject: Re: [ADMIN] Who's attached to the database?
> To: "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
> Cc: pgsql-admin@postgresql.org
> Date: Thursday, July 3, 2008, 8:07 PM
> Thanks, guys,
>
> This told me that the user that has it open is the
> interface user
> called db_user. Is there a command to disconnect this
> user?
>
> Carol
>
> On Jul 3, 2008, at 3:53 PM, Kevin Grittner wrote:
>
> >>>> Carol Walter <walterc@indiana.edu>
> wrote:
> >> I'm trying to drop a database and I'm
> getting an error that says that
> >
> >> the database is being accessed by other users. Is
> there a way I can
> >
> >> find out who these users are or if there really is
> a user accessing
> > it?
> >
> > select * from pg_stat_activity where datname =
> 'yourdb';
> >
> > -Kevin
>
>
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On Fri, Jul 04, 2008 at 06:50:43AM -0700, Lennin Caro wrote:
> try this
>
> select pg_cancel_backend(<processid_db>);
>
> if the command not work kill the process in os
>
> kill -9 proccessid_os

*NO*! Never kill -9 a postgres backend!!! This is like a headshot, no
chance to clean up. You will make your whole pg server shut down!

A simple kill should suffice.

Tino.

--
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