Re: [rfc] new CREATE FUNCTION (and more)

Nathan Myers <ncm@zembu.com> writes:
>  - Keep the name 'C' for both old-style and new-style module declarations.
>  - Require that new-style modules define a distinguished symbol, such as 
>    "int __postgresql_call_7_1;".

I was thinking along the same lines myself.  I'd want to do it on a
per-function basis, though, rather than assuming that all functions in
a module must use the same interface.

I'd be inclined to define a macro that creates the signal object,
so that you'd write something like

PG_FUNCTION_API_V2(foo);

Datum
foo(PG_FUNCTION_ARGS)
{...
}

to create a dynamically loadable new-style function.

Comments?
        regards, tom lane