Re: [HACKERS] CIDR type and functions

> Just curious, what functions did we finally settle on for this type?
> I ask because I just thought of another function that might be useful.
>
> select block(cidr1, cidr2);
>
> to return 1 if cidr2 is part of the cidr1 block, -1 if cidr1 is part
> of the cidr2 block and 0 if neither.
>

Check \df and \fo.  There is a >> and << operators that do subnet
testing.


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