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From: Sabin Coanda <sabin.coanda@deuromedia.ro>
To: pgsql-sql@postgresql.org
Subject: array_to_string
Date: Tue, 27 Mar 2007 09:47:22 +0300
Message-ID: <euaelf$28f8$1@news.hub.org> (raw)

Hi there,

I used the function array_to_string, and I found it ignores NULL values, 
e.g. array_to_string( 'ARRAY[1,NULL,3]', ',' ) returns '1,3'.

The function documentation doesn't explain this case.
So please tell me: is it the normal behavior or a bug ?

TIA,
Sabin 

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