From: Josh Berkus <josh@agliodbs.com>
To: Stephan Szabo <sszabo@megazone23.bigpanda.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: BETWEEN bug?
Date: Wed, 10 Jul 2002 14:57:35 -0700
Message-ID: <200207101457.35614.josh@agliodbs.com> (raw)
In-Reply-To: <20020710125904.O53979-100000@megazone23.bigpanda.com>
References: <20020710125904.O53979-100000@megazone23.bigpanda.com>
Stephan,
> Spec thing.
>
> In SQL92,
> "X BETWEEN Y AND Z" is equivalent to "X>=Y AND X<=Z".
>
> In SQL99, there's BETWEEN SYMMETRIC and ASYMMETRIC, but ASYMMETRIC is the
> default which is the same as the SQL92 version afaics. Symmetric is an
> optional feature that I think Christopher's been working on.
Thanks. Thought it was something like that.
Thank you guys, though, OVERLAPS is asymmetric.
--
-Josh Berkus
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To: pgsql-sql@postgresql.org
Cc: josh@agliodbs.com, sszabo@megazone23.bigpanda.com
Subject: Re: BETWEEN bug?
In-Reply-To: <200207101457.35614.josh@agliodbs.com>
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