Re: Arithmetic operators for macaddr type

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Brendan Jurd <direvus(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Arithmetic operators for macaddr type
Date: 2011-12-12 04:59:40
Message-ID: CAFj8pRBCghxmvDkJHZN-=h5i5dAXRWQyrkr4-ag=6DisvoDHiw@mail.gmail.com
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2011/12/12 Brendan Jurd <direvus(at)gmail(dot)com>:
> Hello folks,
>
> I just bumped into a situation where I wanted to do a little macaddr
> arithmetic in postgres.  I note that the inet type has support for
> bitwise AND, OR and NOT, as well as subtraction, but macaddr has none
> of the above.
>
> These operations are easy to perform in C, but relatively a pain to do
> in SQL, especially as there doesn't seem to be a direct way to get a
> macaddr into a plain numeric form.
>
> I can't see any reason why postgres shouldn't support these operations
> on macaddr.  I'd like to add them as fully realised operators in core.
>  Would that be acceptable?

+1

Pavel

>
> Cheers,
> BJ
>
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