Manfred Koizar <mkoi-pg(at)aon(dot)at> writes:
> 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.
Oh, I see, you want a "max" calculation in there too. Seems reasonable.
regards, tom lane
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