Re: No ~ operator for box, point

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От Martijn van Oosterhout
Тема Re: No ~ operator for box, point
Дата
Msg-id 20070125223316.GC987@svana.org
обсуждение исходный текст
Ответ на Re: No ~ operator for box, point  ("Merlin Moncure" <mmoncure@gmail.com>)
Ответы Re: No ~ operator for box, point  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Thu, Jan 25, 2007 at 01:59:33PM -0500, Merlin Moncure wrote:
> On 1/25/07, Jim C. Nasby <jim@nasby.net> wrote:
> >decibel=# select version();
> > PostgreSQL 8.3devel on i386-apple-darwin8.8.2, compiled by GCC
> > i686-apple-darwin8-gcc-4.0.1 (GCC) 4.0.1 (Apple Computer, Inc. build 5363)
> >
> >decibel=# select box '((0,0),(2,2))' ~ point '(1,1)';
> >ERROR:  operator does not exist: box ~ point
> >LINE 1: select box '((0,0),(2,2))' ~ point '(1,1)';
>
> I don't see a reason, although you can do it with polygon and not box.
> Also, I can't find the ~ operator defined for polygon in the
> documentation, am I missing something?

I ran into this the other day too. But box ~ box does exist,
which worked for my purposes, but it did surprise me.

Have a nice day,
--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.

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