The problem is that host(ip)||'/24' isn't of the inet type, it's text. For
a simple select query you don't have to cast this at all, it would seem,
since it goes as text to the frontend either way.
Also, a straightforward cast inet_value::cidr seems to work for me.
On Sat, 29 Jan 2000, Mark Volpe wrote:
> Is there a way to convert inet types
> to cidr? I have a table with an inet
> field, and it would be cool to, say,
> group by class C network. My little attempt
> here results in an error:
>
> CREATE TABLE test(ip inet);
> INSERT INTO test VALUES('192.168.1.2');
> SELECT (host(ip) || '/24')::cidr FROM test;
>
> ERROR: No such function 'cidr' with the specified attributes
>
> Thanks in advance
> - Mark
>
> ************
>
>
--
Peter Eisentraut Sernanders vaeg 10:115
peter_e@gmx.net 75262 Uppsala
http://yi.org/peter-e/ Sweden