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From: Andreas Kretschmer <akretschmer@spamfence.net>
To: pgsql-sql@postgresql.org <pgsql-sql@postgresql.org>
Subject: Re: Select values by interval
Date: Mon, 23 Nov 2015 18:31:09 +0100
Message-ID: <20151123173109.GA8959@tux> (raw)
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David G. Johnston <david.g.johnston@gmail.com> wrote:

> 
> ​Unproven but whenever you have a query of this form (row_number = 1) you
> should consider/test whether using DISTINCT ON with an appropriate ORDER BY
> clause gives you the answer faster and/or more clearly.

Nice hint.


Andreas
-- 
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect.                              (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly."   (unknown)
Kaufbach, Saxony, Germany, Europe.              N 51.05082°, E 13.56889°


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