Re: Can't join on null values

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Pavel Stehule <stehule(at)kix(dot)fsv(dot)cvut(dot)cz>, David Newall <davidn-postgres(at)rebel(dot)net(dot)au>
Cc: PostgreSQL bugs <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: Can't join on null values
Date: 2004-07-08 05:33:11
Message-ID: 200407080733.11798.peter_e@gmx.net
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Pavel Stehule wrote:
> its not error. Only SQL specific :-) NULL <> NULL

Au contraire, neither

NULL = NULL

nor

NULL <> NULL

is true.

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