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Date: Thu, 20 Feb 2003 15:55:20 +0100
From: Tomasz Myrta <jasiek@klaster.net>
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To: Scott Ding <scott.ding@autodesk.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: point <-> polygon not supported?
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Scott Ding wrote:
> I=92m using version 7.3.2. I got the following error when I executed the=
=20
> sql statement in psql:
<cut>
> Does this mean that the <-> operator does not support distance between a=
=20
> point and a simple polygon?
No.

Try this query:
select o.oprname,t1.typname as left, t2.typname as right
from
  pg_operator o
  join pg_type t1 on (o.oprleft=3Dt1.oid)
  join pg_type t2 on (o.oprright=3Dt2.oid)
where oprname=3D'<->';

Regards,
Tomasz Myrta