Peter Eisentraut <peter_e@gmx.net> writes:
> How about this: We store the first 16 parameters in some fixed array for
> fast access like now, and when you have more than 16 then 17 and beyond
> get stored in some variable array in pg_proc.
<<itch>> What's this going to cost us in the function lookup code paths?
If we can do it with little or no performance cost (at least for the
"normal case" of fewer-than-N parameters) then I'm all ears.
regards, tom lane