Re: index/join madness

From: David Olbersen <dave(at)slickness(dot)org>
To: <pgsql-sql(at)postgresql(dot)org>
Subject: Re: index/join madness
Date: 2001-05-23 15:37:06
Message-ID: Pine.LNX.4.31.0105230835410.20297-100000@bubbles.electricutopia.net
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On Wed, 23 May 2001, Michael Richards wrote:

> Finally, I'm planning on moving this to 7.2 and converting all the
> joins to use outer joins. Will there be a significant penalty in
> performance running outer joins?

Why are you planning on using outer joins? Yes there is a performance penalty
because postgres will have to emit more tuples. Are you sure that you need to
use outer joins?

-- Dave

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