On Tue, 5 Apr 2005, Tom Lane wrote:
> CREATE FUNCTION sum_n_product(x int, y int, OUT sum int, OUT prod int) AS $$
> sum := x + y;
> prod := x * y;
> $$ LANGUAGE plpgsql;
> The RETURN statement is kinda useless in this example, but it is still
> required, because we don't allow control to fall off the end of a
> plpgsql function without causing an error.
> I am thinking we should allow exit by falling off the end of the
> function when (a) it has output parameter(s), or (b) it is declared
> "RETURNS void". Comments?
The above code example do not have any RETURNS clause, does that mean that
it defaults to RETURNS void?
I don't see what (a) has to do with anything. The return value is
independent of in/out:ness of the parameters, isn't it?