On Mon, Nov 17, 2008 at 6:22 AM, Peter Eisentraut <[EMAIL PROTECTED]> wrote: > Here is a patch to reimplement the xmlconcat functionality as a variadic > function instead of a hardcoded special expression type. I haven't found > any variadic function in the set of built-in functions so far, so I figured > I would ask for feedback before we go down this route.
One small side effect is that variadic functions have stricter casting rules...you can't pass string literals without a cast. This is not necessarily a bad thing, but the invocations are not quite compatible. merlin -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers