From: Jan B. <jan@monso.de>
To: Markus Bertheau <twanger@bluetwanger.de>
Cc: pgsql-sql@postgresql.org
Subject: Re: ARRAY() returning NULL instead of ARRAY[] resp. {}
Date: Mon, 23 May 2005 18:54:07 +0000
Message-ID: <429226CF.4090207@monso.de> (raw)
In-Reply-To: <1116873219.7306.0.camel@localhost.localdomain>
References: <1116873219.7306.0.camel@localhost.localdomain>
Markus Bertheau wrote:
> Hi,
>
> why does SELECT ARRAY(SELECT 1 WHERE FALSE) return NULL instead of
> ARRAY[] resp. '{}'?
>
> Markus
>
Perhaps Arrays always have to contain at least one element? (I don't
know for sure.)
SELECT array[];
ERROR: syntax error at or near "]" at character 14
LINE 1: SELECT array[];
SELECT array[1];
array
-------
{1}
(1 row)
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To: pgsql-sql@postgresql.org
Cc: jan@monso.de, twanger@bluetwanger.de
Subject: Re: ARRAY() returning NULL instead of ARRAY[] resp. {}
In-Reply-To: <429226CF.4090207@monso.de>
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