Re: qsort again (was Re: [PERFORM] Strange Create Index behaviour)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: qsort again (was Re: [PERFORM] Strange Create Index behaviour)
Date: 2006-02-16 04:40:20
Message-ID: 23107.1140064820@sss.pgh.pa.us
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"Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu> writes:
> By "did this 100 times" do you mean generate a sequence of at most
> 200000*100 numbers, and for every 200000 numbers, the first half are all
> zeros and the other half are uniform random numbers?

No, I mean I ran the bit of SQL script I gave 100 separate times.

regards, tom lane

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