| From: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Josh Kupershmidt <schmiddy(at)gmail(dot)com>, Sergey Konoplev <gray(dot)ru(at)gmail(dot)com>, Steph L <engel306sl(at)yahoo(dot)fr>, pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: How to disconnect a single user in Postgresql 8.2.5 from a database |
| Date: | 2010-04-20 03:07:00 |
| Message-ID: | h2vdcc563d11004192007u167088d7g77900fca2c3a40e3@mail.gmail.com |
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| Lists: | pgsql-admin |
On Mon, Apr 19, 2010 at 8:10 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Josh Kupershmidt <schmiddy(at)gmail(dot)com> writes:
>> pg_terminate_backend() is just a SQL wrapper around:
>> kill -SIGTERM [backend PID]
>
>> For versions before 8.4: if you can SSH in to the server, run the
>> above on the PID of the backend your user is connected to, and that
>> should terminate their connection.
>
> The reason the function isn't there before 8.4 is that that's not
> promised to work before 8.4 ... most of the time it will work, but
> once in awhile you could get nasty side-effects.
So, pg_cancel_backend(pid) is the 8.3 version, that may or may not
always work then, right?
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