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From: Josh Berkus <josh@agliodbs.com>
To: Joe Conway <mail@joeconway.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Array_append does not work with Array variables in PL/pgSQL?
Date: Thu, 1 Apr 2004 13:48:26 -0800
Message-ID: <200404011348.26646.josh@agliodbs.com> (raw)
In-Reply-To: <406C8B6D.2040603@joeconway.com>
References: <200404011320.37766.josh@agliodbs.com>
	<406C8B6D.2040603@joeconway.com>

Joe,

> You have to initialize the array to something non-null, even if that be 
> an empty array (note that there is a difference). When trying to append 
> an element to a NULL valued array, you wind up with a NULL result. It is 
> similar to:

Aha!

I knew that I was missing something fundamental.

BTW, did you get my e-mail to Hackers about ARRAY[] IS NULL?

-- 
-Josh Berkus
 Aglio Database Solutions
 San Francisco




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