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From: Jochen Erwied <jochen@pgsql-performance.erwied.eu>
To: Misa Simic <misa.simic@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Duplicate deletion optimizations
Date: Sat, 7 Jan 2012 15:17:58 +0100
Message-ID: <1351321158.20120107151758@erwied.eu> (raw)
In-Reply-To: <527717384066155926@unknownmsgid>
References: <527717384066155926@unknownmsgid>

Saturday, January 7, 2012, 3:02:10 PM you wrote:

> • insert into live from temp where col1, col2 and col3 not exists in
> live

'not exists' is something I'm trying to avoid, even if the optimizer is 
able to handle it. 

-- 
Jochen Erwied     |   home: jochen@erwied.eu     +49-208-38800-18, FAX: -19
Sauerbruchstr. 17 |   work: joe@mbs-software.de  +49-2151-7294-24, FAX: -50
D-45470 Muelheim  | mobile: jochen.erwied@vodafone.de       +49-173-5404164




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