Re: Comments on Exclusion Constraints and related datatypes

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Simon Riggs" <simon(at)2ndQuadrant(dot)com>, "David Fetter" <david(at)fetter(dot)org>
Cc: <pgsql-hackers(at)postgresql(dot)org>,"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: Comments on Exclusion Constraints and related datatypes
Date: 2010-03-22 20:10:31
Message-ID: 4BA78867020000250003006B@gw.wicourts.gov
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Simon Riggs <simon(at)2ndQuadrant(dot)com> wrote:

> I think you've missed my point.

> What I was talking about was that box '((0,0),(1,1))' && box
> '((1,1),(2,2))' returns true, even though they touch at only a
> single point, and share zero area.

FWIW, that's what I would take away from "one point in common"

-Kevin

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