To: pgsql-admin@postgresql.org
From: Thomas Kellerer <spam_eater@gmx.net>
Subject: Re: How to identify all storage in a schema
Date: Wed, 14 Jan 2015 17:11:20 +0100
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Campbell, Lance schrieb am 14.01.2015 um 16:56:
> PostgreSQL 9.3
> Is there a query one can run that will give you a total storage for all objects (tables, indexes, etc) associated with a particular schema?
> 
> Thanks for your assistance.

  select table_schema,
         sum(pg_total_relation_size(table_schema|| '.' ||table_name))
  from information_schema.tables
  where table_schema not in ('information_schema', 'pg_catalog')
  group by table_schema;

Of for just a single schema:

  select sum(pg_total_relation_size(table_schema|| '.' ||table_name))
  from information_schema.tables
  where table_schema = 'foobar';

There are other functions to retrieve the table or database sizes:

http://www.postgresql.org/docs/current/static/functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT

Thomas


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