Alex Pilosov <alex@pilosoft.com> writes:
> On Tue, 21 Aug 2001, Tom Lane wrote:
>> I'm inclined to rip out both special cases, so that an all-zeroes MAC
>> address is handled exactly like any other address. Comments?
> Completely agreed. I stepped on this rake once. All zeros is a valid mac
> address and is very different from null.
Okay, patch applied. Gayland, if you're in a hurry for a solution
you could drop the CVS version of mac.c into 7.1.* --- see
http://www.ca.postgresql.org/cgi/cvsweb.cgi/pgsql/src/backend/utils/adt/mac.c
regards, tom lane