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Re: JOINing based on whether an IP address is contained within a CIDR range?


  • From: "Jonah H. Harris" <jonah(dot)harris(at)gmail(dot)com>
  • To: "Harald Fuchs" <hf0217x(at)protecting(dot)net>
  • Cc: pgsql-sql(at)postgresql(dot)org
  • Subject: Re: JOINing based on whether an IP address is contained within a CIDR range?
  • Date: Fri, 26 Oct 2007 08:03:25 -0400
  • Message-id: <36e682920710260503w79ebde81la456bdefd304da5a@mail.gmail.com> <text/plain>

On 10/26/07, Harald Fuchs <hf0217x(at)protecting(dot)net> wrote:
> There are PostgreSQL builtin functions for that, but I think they are
> unable to use indexes. I use http://pgfoundry.org/projects/ip4r/
> and I think it's the best thing since the invention of sliced bread ;-)

Yes:

ip4r('ip') <<= ip4r(cidr('cidr'))

-- 
Jonah H. Harris, Sr. Software Architect | phone: 732.331.1324
EnterpriseDB Corporation                | fax: 732.331.1301
499 Thornall Street, 2nd Floor          | jonah(dot)harris(at)enterprisedb(dot)com
Edison, NJ 08837                        | http://www.enterprisedb.com/



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