Re: modifying the tbale function

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