Richard Huxton wrote:
Andrew Dunstan wrote:
Actually, I think we could teach the PLs to do it - just not
transparently, so we'd need to mark which functions used the new
protocol. Such functions would get a state object as an implied first
argument, so in plperl it might work like this (for a
generate_series-like function):
To support this I think we'd need to do something like:
create function mygs(int, int)
returns setof int
language plperl
with srfstate
as $$ ... $$;
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. I agree with Tom that making tuplestore faster would probably be a
much better investment of time.
cheers
andrew
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