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CIDR type and functions

From: darcy(at)druid(dot)net (D'Arcy J(dot)M(dot) Cain)
To: pgsql-hackers(at)PostgreSQL(dot)org
Subject: CIDR type and functions
Date: 1998-10-09 04:15:23
Message-ID: m0zRTxb-0000exC@druid.net (view raw or flat)
Thread:
Lists: pgsql-hackers
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.

-- 
D'Arcy J.M. Cain <darcy(at){druid|vex}.net>   |  Democracy is three wolves
http://www.druid.net/darcy/                |  and a sheep voting on
+1 416 424 2871     (DoD#0082)    (eNTP)   |  what's for dinner.

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