Re: select NOT IN with NULL bug on 7.2b3

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Giuseppe Tanzilli - CSF <g(dot)tanzilli(at)gruppocsf(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: select NOT IN with NULL bug on 7.2b3
Date: 2001-11-29 17:04:56
Message-ID: 19116.1007053496@sss.pgh.pa.us
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Giuseppe Tanzilli - CSF <g(dot)tanzilli(at)gruppocsf(dot)com> writes:
> it is a bug ??

No, it isn't. See past discussions about the semantics of NOT IN and
NULL.

regards, tom lane

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