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

On Mon, 19 Oct 2009, Tom Lane wrote:

> Gerhard Wiesinger <lists@wiesinger.com> 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.
>

None of the function is declared VOLATILE. Any other idea?

Thnx.

Ciao,
Gerhard

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