From: Tom Lane <tgl@sss.pgh.pa.us>
To: Scott Marlowe <smarlowe@g2switchworks.com>
Cc: Markus Schaber <schabi@logix-tt.com>
Cc: Bruce Momjian <pgman@candle.pha.pa.us>
Cc: Stephan Szabo <sszabo@megazone.bigpanda.com>
Cc: Milen A. Radev <milen@radev.net>
Cc: pgsql-sql@postgresql.org
Cc: pgsql-hackers@postgresql.org
Subject: Re: [SQL] Interval subtracting
Date: Wed, 08 Mar 2006 10:54:18 -0500
Message-ID: <14844.1141833258@sss.pgh.pa.us> (raw)
In-Reply-To: <1141832866.6249.7.camel@state.g2switchworks.com>
References: <200603012027.k21KRk423759@candle.pha.pa.us>
<1141245396.18820.16.camel@state.g2switchworks.com>
<440EC8FF.9080201@logix-tt.com>
<1141832866.6249.7.camel@state.g2switchworks.com>
Scott Marlowe <smarlowe@g2switchworks.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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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, smarlowe@g2switchworks.com, schabi@logix-tt.com, pgman@candle.pha.pa.us, sszabo@megazone.bigpanda.com, milen@radev.net, pgsql-hackers@postgresql.org
Subject: Re: [SQL] Interval subtracting
In-Reply-To: <14844.1141833258@sss.pgh.pa.us>
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