Re: macaddr 64 bit (EUI-64) datatype support

Alvaro Herrera <alvherre@2ndquadrant.com>

From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Vitaly Burovoy <vitaly.burovoy@gmail.com>, Julien Rouhaud <julien.rouhaud@dalibo.com>, Craig Ringer <craig@2ndquadrant.com>, Haribabu Kommi <kommi.haribabu@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2016-10-12T20:48:41Z
Lists: pgsql-hackers
Tom Lane wrote:
> Vitaly Burovoy <vitaly.burovoy@gmail.com> writes:
> > P.S.: I still think it is a good idea to change storage format,
> 
> I'm not sure which part of "no" you didn't understand, but we're
> not breaking on-disk compatibility of existing macaddr columns.
> Breaking the on-the-wire binary I/O representation seems like a
> nonstarter as well.

I think the suggestion was to rename macaddr to macaddr6 or similar,
keeping the existing behavior and the current OID.  So existing columns
would continue to work fine and maintain on-disk compatibility, but any
newly created columns would become the 8-byte variant.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


Commits

  1. Add support for EUI-64 MAC addresses as macaddr8

  2. perltidy pg_dump TAP tests