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Re: Slow join using network address function

From: Steve Atkins <steve(at)blighty(dot)com>
To: pgsql-performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Slow join using network address function
Date: 2004-02-24 17:14:42
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
On Tue, Feb 24, 2004 at 01:07:10PM +0100, Eric Jain wrote:
> > <> is a datatype that contains 
> > a range of IPv4 addresses, and which has the various operators to 
> > make it GIST indexable.
> Great, this looks very promising.
> >   No cast operators between ipr and inet types.
> Any way to work around this, short of dumping and reloading tables?
> SELECT ipr ''; -- Okay
> SELECT ipr text(inet ''); -- Syntax error, of course
> SELECT ipr(text(inet '')); -- Function does not exist, of course

There's probably some horrible SQL hack that would let you do it, but
I should add some casting code anyway. Shouldn't be too painful to do -
I'll try and get that, and some minimal documentation out today.


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