On Thu, 2004-11-11 at 04:11, Tom Lane wrote:
> You can't override a builtin C function that way because there is a
> built-in map from function OID to builtin function address, and it's
> consulted before trying to look in pg_proc.
>
> This behavior is not really open to negotiation
Then shouldn't we disallow the CREATE OR REPLACE FUNCTION?
-Neil