On Sep 8, 2009, at 9:57 AM, Tom Lane wrote:
> 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.
For my purposes, I guess implicit casting for comparing values, as in
arg_a IS DISTINCT FROM arg_b
and
arg_a = arg_b
or
arg_a <> arg_b
It'd work if there was a way to cast one to the type of the other,
such as comparing a TEXT to a VARCHAR. But maybe that'd be too magical…
Best,
David