Re: Comparing first 3 numbers of a IPv4 address? - Mailing list pgsql-general

From Dmitriy Igrishin
Subject Re: Comparing first 3 numbers of a IPv4 address?
Date
Msg-id AANLkTimOFhgrR7EmUEMTqtHgUShUi9MbY-SMvFNmDKcu@mail.gmail.com
Whole thread Raw
In response to Re: Comparing first 3 numbers of a IPv4 address?  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
Hey Tom,

Thanks for you solution!

2010/11/20 Tom Lane <tgl@sss.pgh.pa.us>
Alexander Farber <alexander.farber@gmail.com> writes:
> 1) if I'd like to compare just the first 3 numbers of
> the IP address instead of the 4, how can I do it?

regression=# select network(set_masklen('123.45.67.42'::inet, 24)) =
regression-#  network(set_masklen('123.45.67.56'::inet, 24));
 ?column?
----------
 t
(1 row)


                       regards, tom lane

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// Dmitriy.


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