Re: Slow join using network address function

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От Steve Atkins
Тема Re: Slow join using network address function
Дата
Msg-id 20040224171442.GE5368@gp.word-to-the-wise.com
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Ответ на Re: Slow join using network address function  ("Eric Jain" <Eric.Jain@isb-sib.ch>)
Ответы Re: Slow join using network address function  (Steve Atkins <steve@blighty.com>)
Список pgsql-performance
On Tue, Feb 24, 2004 at 01:07:10PM +0100, Eric Jain wrote:
> > <http://word-to-the-wise.com/ipr.tgz> 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 '1.2.3.4'; -- Okay
> SELECT ipr text(inet '1.2.3.4'); -- Syntax error, of course
> SELECT ipr(text(inet '1.2.3.4')); -- 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.

Cheers,
  Steve

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