From: Rajesh Kumar Mallah. <mallah@trade-india.com>
To: Joachim Trinkwitz <jtr@uni-bonn.de>
To: pgsql-sql@postgresql.org
Subject: Re: INSERT only under certain conditions (SELECT)
Date: Mon, 8 Jul 2002 13:42:39 +0530
Message-ID: <200207081342.39151.mallah@trade-india.com> (raw)
In-Reply-To: <874rfb6mqe.fsf@wabe.germanistik.uni-bonn.de>
References: <874rfb6mqe.fsf@wabe.germanistik.uni-bonn.de>
create an uniq index on the columns,
# create unique index index_name on table (col1,col2,col3,...)
hope it helps.
regds
mallah
On Monday 08 July 2002 06:48, Joachim Trinkwitz wrote:
> Hi,
>
> I want to insert a row only under condition that there isn't already
> another row with similar values -- something like a INSERT INTO
> ... WHERE NOT EXISTS (SELECT ...)?
>
> Hoping for help,
> joachim
>
>
>
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--
Rajesh Kumar Mallah,
Project Manager (Development)
Infocom Network Limited, New Delhi
phone: +91(11)6152172 (221) (L) ,9811255597 (M)
Visit http://www.trade-india.com ,
India's Leading B2B eMarketplace.
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To: pgsql-sql@postgresql.org
Cc: mallah@trade-india.com, jtr@uni-bonn.de
Subject: Re: INSERT only under certain conditions (SELECT)
In-Reply-To: <200207081342.39151.mallah@trade-india.com>
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