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

On Sat, Nov 19, 2016 at 2:54 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Stephen Frost <sfrost@snowman.net> writes:
>> Let's create a new data type for this which supports old and new types,
>> add what casts make sense, and call it a day.  Changing the data type
>> name out from under people is not helping anyone.
>
> +1.  I do not think changing behavior for the existing type name is
> going to be a net win.  If we'd been smart enough to make the type
> varlena from the get-go, maybe we could get away with it, but there
> is just way too much risk of trouble with a change in a fixed-length
> type's on-the-wire representation.

I completely agree.