From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Jelle Ouwerkerk <jelle@openface.ca>
Cc: pgsql-sql@postgresql.org
Subject: Re: random
Date: Mon, 5 Mar 2001 16:04:35 -0500 (EST)
Message-ID: <200103052104.QAA01988@candle.pha.pa.us> (raw)
In-Reply-To: <20713.983825452@sss.pgh.pa.us>
> Jelle Ouwerkerk <jelle@openface.ca> writes:
> > Also, is there a way to randomize the order of a result set?
>
> There's always
> SELECT * FROM foo ORDER BY random();
>
How does that work?
test=> select random();
random
-------------------
0.896045367650709
(1 row)
However:
test=> select * from pg_class order by random();
does return some output. Is it random, and if so, how?
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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To: pgsql-sql@postgresql.org
Cc: pgman@candle.pha.pa.us, tgl@sss.pgh.pa.us, jelle@openface.ca
Subject: Re: random
In-Reply-To: <200103052104.QAA01988@candle.pha.pa.us>
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