On Tue, Apr 19, 2005 at 12:03:27 -0400, Bruce Momjian <pgman@candle.pha.pa.us> wrote:
>
> Agreed. Let's implement '+/-' for 'inet + int4' and put it in the
> backend as standard (I can help do the system table stuff if you give me
> the C functions). However, how do we handle cases where int4 > 255. I
> am thinking we should support only inet + inet, like this:
>
> SELECT '1.2.3.4'::inet + '0.0.1.2'::inet;
I don't think this operation makes much sense. Adding an integer makes
some sense, but I think the original problem would be better solved
by having a set returning function generate the possible network addresses
to be allocated and store that set in a table.
I don't think assuming everthing is a /24 is a good idea. If wrapping is
to be done, there should be some mask specified.