Re: requesting features in PostgreSQL

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jeff Davis <list-pgsql-general(at)empires(dot)org>
Cc: Andrew Gould <andrewgould(at)yahoo(dot)com>, Postgres Mailing List <pgsql-general(at)postgresql(dot)org>
Subject: Re: requesting features in PostgreSQL
Date: 2002-04-27 21:38:10
Message-ID: 7103.1019943490@sss.pgh.pa.us
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Jeff Davis <list-pgsql-general(at)empires(dot)org> writes:
> I was looking at the code. Why do you calculate "sumX2" in float8_accum?

Because the same accumulator function is also used for stddev.

regards, tom lane

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