On Tue, Jun 11, 2013 at 9:48 PM, Rafael Domiciano <rafael.domiciano@xxxxxxxxx> wrote: > postgres=# select version(); > version > -------------------------------------------------------------------------------------------------------------- > PostgreSQL 9.2.2 on x86_64-unknown-linux-gnu, compiled by gcc (GCC) 4.4.6 > 20120305 (Red Hat 4.4.6-4), 64-bit > (1 registro) This is not directly related to your post, but... You should update asap your server to 9.2.4, as it contains important security fixes. -- Michael -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance