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From: Josh Berkus <josh@agliodbs.com>
To: Mintoo Lall <tlqmail@yahoo.com>
To: pgsql-sql@postgresql.org
Subject: Re: Drop temporary table only if it exists
Date: Fri, 14 Feb 2003 09:48:15 -0800
Message-ID: <200302140948.15889.josh@agliodbs.com> (raw)
In-Reply-To: <20030214153413.24680.qmail@web14802.mail.yahoo.com>
References: <20030214153413.24680.qmail@web14802.mail.yahoo.com>

Mintoo,

> How do I drop a temporary table ( or for that matter a sequence) only if it
> exists  or create them if they donot exist ? I want to do this to avoid any
> errors

A quick check for existance: 

 SELECT * FROM pg_class WHERE relname = 'name_of_temp_table' and relkind = ?

You'll want to look in the docs about the PG system tables to see what 
"relkind" you should test on for each type of object.

-- 
Josh Berkus
Aglio Database Solutions
San Francisco



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