From: Christopher Browne <cbbrowne@acm.org>
To: pgsql-sql@postgresql.org
Subject: Re: comparing nulls
Date: Tue, 20 Jan 2004 11:06:51 -0500
Message-ID: <m3oesybo4k.fsf@wolfe.cbbrowne.com> (raw)
References: <04012019131206.01434@thenilgiris.com>
<1074607016.49673.23.camel@morpheus.hub.org>
<04012019542108.01434@thenilgiris.com>
Centuries ago, Nostradamus foresaw when lawgon@thenilgiris.com (Kenneth Gonsalves) would write:
> On Tuesday 20 January 2004 19:26, Chris Bowlby wrote:
>> Under 7.3.x this option was removed, you need to test via:
>>
>> SELECT * from table where field IS NULL;
> thanx - works in both 7.1 and 7.3 - why do these guys keep fooling around
> with these thangs?
Because there is a desire to have PostgreSQL conform with public
standards such as SQL-1999.
The use of "IS NULL" conforms with SQL standards; the use of "= NULL"
does not.
--
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To: pgsql-sql@postgresql.org
Cc: cbbrowne@acm.org
Subject: Re: comparing nulls
In-Reply-To: <m3oesybo4k.fsf@wolfe.cbbrowne.com>
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