Re: vacuum verbose relations reporting - Mailing list pgsql-admin

From Alvaro Herrera
Subject Re: vacuum verbose relations reporting
Date
Msg-id 20080827013612.GT4920@alvh.no-ip.org
Whole thread Raw
In response to Re: vacuum verbose relations reporting  (Jeff Frost <jeff@frostconsultingllc.com>)
Responses Re: vacuum verbose relations reporting
List pgsql-admin
Jeff Frost wrote:

> Tom, is there an easy (or hard) way to count relations from all DBs by
> using the system catalogs?

Just do a count(*) from pg_class where relkind in ('r', 't', 'i'), and
sum across all databases (you need to connect to each one).

(Actually you only need to count indexes that are btrees, if you need
such a distinction.  Other indexes do not use the FSM as far as I know).

--
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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