Re: How to check is the table system

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: ???????????? <andyk(at)softwarium(dot)net>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: How to check is the table system
Date: 2005-09-15 18:30:45
Message-ID: 20050915183045.GA26707@surnet.cl
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On Thu, Sep 15, 2005 at 09:12:44PM +0300, ???????????? wrote:

> In what way can I determine is the table system? ODBC driver does it
> by checking table name's prefix: if it begins with 'pg_' - driver
> desides that the table is system, but that's a bad idea. I can create
> table and call it 'pg_mytable', but it won't become system!

If a table is in the pg_catalog schema, it's a system table. The pg_
prefix was used as a convention before the introduction of schemas in
7.3 -- users were not supposed to create tables with names beggining
with pg_. I guess it's still a bad idea to create tables with such
names.

--
Alvaro Herrera -- Valdivia, Chile Architect, www.EnterpriseDB.com
"La gente vulgar solo piensa en pasar el tiempo;
el que tiene talento, en aprovecharlo"

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