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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
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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