On Mon, 31 Jan 2005 11:20:31 -0500, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>Already done that way.
> if (relvarcount > 1)
> clamp *= 0.1;
That's not what I meant. I tried to say that if we have a GROUP BY
several columns and one of these columns alone has more than N/10
distinct values, there's no way to get less than that many groups.
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