Re: NULL safe equality operator

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: NULL safe equality operator
Date: 2005-11-25 02:49:11
Message-ID: 17483.1132886951@sss.pgh.pa.us
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Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> writes:
> Does anyone know how I'd go about implementing the following MySQL
> operator in PostgreSQL?

NOT (x IS DISTINCT FROM y) would be the standard-compliant way of
spelling that.

regards, tom lane

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