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Re: is this a bug?
Posted by: Felix Geerinckx
Date: April 11, 2007 02:56AM

Yuri Niyazov Wrote:


> OK. So, what would be the right way of doing this?
> How about this: I create a view and have it calculate the averages only it. I select from that
> view and also calculate the values that depend on the averages (the product and the squares of averages).

That should do it. Or you could do the aggregates in an inner subquery, as in
SELECT tfoo.c, tfoo.themax - tfoo.themin
FROM (SELECT c, MIN(i) themin, MAX(i) themax FROM foo GROUP BY c) AS tfoo

--
felix
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