Tom,
> Um ... does that work? I thought LIMIT was fairly restrictive about
> what it would take as a parameter --- like, constants or $n
> parameters
> only.
>
> I do not know of any median-finding algorithm that doesn't require a
> depressingly large amount of storage...
Me neither. You're right; the query didn't work.
Here's a link to the median-finding function I posted to the CookBook:
http://www.brasileiro.net/postgres/cookbook/view-one-recipe.adp?recipe_id=1654
Anyone who can improve it is welcome!
-Josh
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