| From: | Alex Pilosov <alex(at)pilosoft(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: macaddr data type issue |
| Date: | 2001-08-21 19:39:00 |
| Message-ID: | Pine.BSO.4.10.10108211537580.25781-100000@spider.pilosoft.com |
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| Thread: | |
| Lists: | pgsql-general |
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
--
Alex Pilosov | http://www.acedsl.com/home.html
CTO - Acecape, Inc. | AceDSL:The best ADSL in the world
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