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Re: Function returning 2 columns evaluated twice when both columns are needed

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Gerhard Wiesinger <lists@xxxxxxxxxxxxx> writes:
> On Sun, 18 Oct 2009, Tom Lane wrote:
>> The OFFSET bit is a kluge, but is needed to keep the planner from
>> flattening the subquery and undoing your work.

> Thnx Tom. It also works without the OFFSET kludge. Any ideas why?

Probably because you have the function declared VOLATILE.

			regards, tom lane

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