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Re: Alter table never finishes

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On 2013-07-30 17:56:16 +0200, Giuseppe Broccolo wrote:
> >How can I force disconnect all clients to let me alter that table?.
> >
> >Regards,
> 
> There are two ways: the first|is based on pg_terminate_backend()
> function and 'pg_stat_activity' catalog |||to kill idle processes.
> So in a psql session type (tried on PostgreSQL 8.4):
> 
> ==# SELECT procpid, (SELECT pg_terminate_backend(procid)) AS killed
> from pg_stat_activity WHERE current_query LIKE '<IDLE>';
> 
> A more heavy handed approach then should be used on terminal,
> forcing kill of idle processes using their pid:
> 
> :$ for x in `ps -ef | grep -e "postgres.*idle" | awk '{print $2}'`;
> do kill -9 $x; done
> 
> Hope it can help.
> 
> Giuseppe.
> 
> -- 
> Giuseppe Broccolo - 2ndQuadrant Italy
> PostgreSQL Training, Services and Support
> giuseppe.broccolo@xxxxxxxxxxxxxx | www.2ndQuadrant.it
> 

Thanks to both, Giuseppe and Bricklen. As I have 9.2 I've used:

select pg_cancel_backend(pid) from pg_stat_activity where pid <> pg_backend_pid();

And it returned this:

pg_cancel_backend
-------------------
 t
 t
(2 rows)

But when I execute my update table command, it still never ends...Any
hint?.

-- 
Leonardo M. Ramé
Medical IT - Griensu S.A.
Av. Colón 636 - Piso 8 Of. A
X5000EPT -- Córdoba
Tel.: +54(351)4246924 +54(351)4247788 +54(351)4247979 int. 19
Cel.: +54 9 351 6629292



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