Scott Marlowe <smarlowe@g2switchworks.com> writes:
> I could see how it might be possible to make a two argument user defined
> function that took an argument like:
> select intvl(10,'20 30 40 50 60');
> so that the multiple arguments are really just a space or comma
> separated list fed to the function. I wouldn't name it interval though.
Use an array:
select intvl(10, array[20,30,40,50,60]);
I think you could even code this as a generic polymorphic function:
create function intvl(anyelement, anyarray) returns anyelement ...
Anybody feel like filling it in with a standard binary search algorithm?
regards, tom lane