From: Markus Bertheau <twanger@bluetwanger.de>
To: Joe Conway <mail@joeconway.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Empty array IS NULL?
Date: Mon, 28 Jun 2004 19:06:17 +0200
Message-ID: <1088442376.2715.1.camel@teetnang> (raw)
In-Reply-To: <40E046B3.2070603@joeconway.com>
References: <1088438514.3239.97.camel@dicaprio.akademie1.de>
<40E046B3.2070603@joeconway.com>
В Пнд, 28.06.2004, в 18:26, Joe Conway пишет:
> Markus Bertheau wrote:
> > is the empty array representable in PostgreSQL, and is it
> > distinguishable from NULL?
>
> Yes, and yes.
>
> Since NULL array elements are not currently supported, attempting to
> construct an array with a NULL element results in NULL, not an empty array.
Thanks.
How do I specify an empty array with the standard syntax?
--
Markus Bertheau <twanger@bluetwanger.de>
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To: pgsql-sql@postgresql.org
Cc: twanger@bluetwanger.de, mail@joeconway.com
Subject: Re: Empty array IS NULL?
In-Reply-To: <1088442376.2715.1.camel@teetnang>
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