"David Johnston" <pol...@yahoo.com> wrote: > VOLATILE: "A Volatile function used in an ORDER BY or WHERE clause > without referencing any columns from the query itself (i.e., no > parameters or all constants) will be evaluated a single time and > the result treated as a constant (i.e., all rows will have > identical values) for that part of the query." I hope you're wrong about the ORDER BY part of that. A quick test confirms that it works in ORDER BY, at least for some cases. If there are any exceptions to that, I would sure like to know about it -- and really soon. select * from generate_series(1, 10000) s(n) order by random() limit 10; -Kevin
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