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Date: Tue, 16 Jul 2002 13:42:14 -0700
From: Thomas Lockhart <lockhart@fourpalms.org>
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To: Tom Lane <tgl@sss.pgh.pa.us>
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Subject: Re: [SQL] line datatype
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> >> No one likes entering an equation.  Two points seems the simplest.
> > That it does.
> On the other hand, if you want to enter two points why don't you just
> use lseg to begin with?  There's not much justification for having a
> separate line type unless it behaves differently ...

They are different. One is infinite in length, the other is finite.
Distances, etc are calculated differently between the two types.

                  - Thomas