Horton

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

Tom Lane <tgl@sss.pgh.pa.us>

View thread View on postgr.es
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Haribabu Kommi <kommi.haribabu@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Stephen Frost <sfrost@snowman.net>, Shay Rojansky <roji@roji.org>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, Vitaly Burovoy <vitaly.burovoy@gmail.com>, Alvaro Herrera <alvherre@2ndquadrant.com>, Julien Rouhaud <julien.rouhaud@dalibo.com>, Craig Ringer <craig@2ndquadrant.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2016-11-26T05:48:37Z
Lists: pgsql-hackers 
Haribabu Kommi <kommi.haribabu@gmail.com> writes:
> Currently the casting is supported from macaddr to macaddr8, but not the
> other way. This is because, not all 8 byte MAC addresses can be converted
> into 6 byte addresses.

Well, yeah, so you'd throw an error if it can't be converted.  This is
no different from casting int8 to int4, for example.  We don't refuse
to provide that cast just because it will fail for some values.

			regards, tom lane

Commits

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

  2. perltidy pg_dump TAP tests