"David E. Wheeler" <david@kineticode.com> writes:
> On Sep 8, 2009, at 9:25 AM, 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 :-().
> Oooh, I need to try that. How far back does that behavior go,
> compatibility-wise?
Further than "anyelement", I think, or at least the same distance.
IIRC it was one of the types we split up "opaque" into.
regards, tom lane
