"Gurjeet Singh" <singh.gurjeet@gmail.com> writes:
> On Sat, Oct 4, 2008 at 8:49 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
>> "Gurjeet Singh" <singh.gurjeet@gmail.com> writes:
>> > Shouldn't PG make all efforts to not execute something when the result is
>> > already known?
>>
>> Not if said effort would cost more than is saved, which would be by far
>> the most likely result if we tried to cache all function results.
>>
>
> Sorry Tom, I confused STABLE with IMMUTABLE; my bad.
No, this is equally untrue for immutable.
--
Gregory Stark
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