Andrew Dunstan <[EMAIL PROTECTED]> writes:
> Richard Huxton wrote:
>> Is this not what we do with aggregate functions at present?

> Yes, more or less. That's what made me think of it.

> OTOH, before we rush out and do it someone needs to show that it's a net 
> win.

Yeah, because this isn't doing anything to address the problem of
entry/exit overhead from calling a PL function many times.  I kinda
dislike shoving the problem onto the heads of PL programmers anyway...

                        regards, tom lane

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