Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> Tom Lane wrote:
>> If you don't want any constraints at all on the argument types, you
>> can use "any" (with the quotes, because it's a reserved word :-().
> That would work, except that plpgsql and SQL don't like it:
Intentionally so, because there's not a whole lot you can *do* with an
ANY parameter, other than checking it for null. Perhaps the real
question is about what semantics you're expecting for these
unconstrained parameters.
regards, tom lane