| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Scott Marlowe <smarlowe(at)g2switchworks(dot)com> |
| Cc: | Markus Schaber <schabi(at)logix-tt(dot)com>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com>, "Milen A(dot) Radev" <milen(at)radev(dot)net>, pgsql-sql(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [SQL] Interval subtracting |
| Date: | 2006-03-08 15:54:18 |
| Message-ID: | 14844.1141833258@sss.pgh.pa.us |
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Scott Marlowe <smarlowe(at)g2switchworks(dot)com> writes:
> For same reasons, i.e. a need for precision, I find it hard to accept
> the idea of mixing positive and negative units in the same interval.
The semantics are perfectly well defined, so I don't buy this.
regards, tom lane
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