Gavin Sherry <swm@linuxworld.com.au> writes:
> I think that not specifying OUT parameters when invoking a function is a
> little of confusing but it gives us a lot: its much easier to develop
> since we don't have to add a stack of infrastructure for host variables,
> for one.
Also, it doesn't stop us from adding that infrastructure later. The
call syntax SELECT * FROM foo(...) will still do what it has been doing
for awhile, but you could imagine inventing other call syntaxes that
accommodate host variables more directly.
regards, tom lane