Re: Checking inequality

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Vitaly Belman <vitalyb(at)gmail(dot)com>
Cc: PostgreSQL general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Checking inequality
Date: 2004-12-11 18:11:24
Message-ID: 17595.1102788684@sss.pgh.pa.us
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Vitaly Belman <vitalyb(at)gmail(dot)com> writes:
> What can I do to check inequality even in the case that old or new
> series_id is NULL?

Try IS DISTINCT FROM.

regards, tom lane

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