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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Dean Gibson (DB Administrator) <postgresql3@ultimeth.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Difference in DATEs
Date: Tue, 21 Sep 2004 10:01:22 -0400
Message-ID: <386.1095775282@sss.pgh.pa.us> (raw)
In-Reply-To: <5.1.0.14.2.20040921003212.00a958d8@postgresql3.ultimeth.com>
References: <5.1.0.14.2.20040921003212.00a958d8@postgresql3.ultimeth.com>

"Dean Gibson (DB Administrator)" <postgresql3@ultimeth.com> writes:
> 3. x - y < INTERVAL '...' doesn't work (but then, the minus operator is not 
> defined in the manual for two DATE values).

Sure it is: see 10th row in
http://www.postgresql.org/docs/7.4/static/functions-datetime.html#OPERATORS-DATETIME-TABLE

Forget the interval and compare to an integer.

			regards, tom lane

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