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Date: Fri, 07 May 2004 16:19:24 +0200
From: =?ISO-8859-2?Q?Suller_Andr=E1s?= <suan2@freemail.hu>
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To: Freddy Villalba Arias <fvillalba@madrid.bilbomatica.es>
Cc: pgsql-sql@postgresql.org
Subject: Re: COUNT on a DISTINCT query
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>  SELECT COUNT(xxx.*) FROM (<the query above>) xxx

This cause an error for me:
ERROR:  cannot pass result of subquery or join "xxx" to a function

Try this instead:
SELECT COUNT(*) FROM (<the query above>) xxx
It worked for me.
Regards,
Suller Andras