On Tue, 21 Aug 2001, Tom Lane wrote:
> SQL-approved way to represent "missing data" is as a NULL; there's no
> rationale I can see for treating an all-zeroes address like this.
>
> There's also a special case in macaddr_in that accepts an empty input
> string as meaning an all-zeroes address. This seems bogus as well.
>
> 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.
Thanks
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