From: Tom Lane <tgl@sss.pgh.pa.us>
To: Jean-Luc Lachance <jllachan@nsd.ca>
Cc: Michael S. Tibbetts <mtibbetts@head-cfa.cfa.harvard.edu>
Cc: pgsql-sql@postgresql.org
Subject: Re: min() and NaN
Date: Mon, 21 Jul 2003 11:43:19 -0400
Message-ID: <5212.1058802199@sss.pgh.pa.us> (raw)
In-Reply-To: <3F1C09B7.3990752@nsd.ca>
References: <3F145162.7010805@head-cfa.harvard.edu>
<19874.1058676022@sss.pgh.pa.us>
<3F1C09B7.3990752@nsd.ca>
Jean-Luc Lachance <jllachan@nsd.ca> writes:
> If a compare with NaN is always false, how about rewriting it as:
> result = ((arg1 < arg2) ? arg2 : arg1).
That just changes the failure mode.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, jllachan@nsd.ca, mtibbetts@head-cfa.cfa.harvard.edu
Subject: Re: min() and NaN
In-Reply-To: <5212.1058802199@sss.pgh.pa.us>
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