| From: | Thomas Lockhart <lockhart(at)fourpalms(dot)org> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Tim Hart <tjhart(at)mac(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [SQL] line datatype |
| Date: | 2002-07-16 20:42:14 |
| Message-ID: | 3D348526.CC9594FD@fourpalms.org |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-sql |
> >> 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
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