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From: Thomas Kellerer <spam_eater@gmx.net>
To: pgsql-sql@postgresql.org
Subject: Re: count function alternative in postgres
Date: Tue, 06 Apr 2010 19:39:31 +0200
Message-ID: <hpfrkh$skl$1@dough.gmane.org> (raw)
In-Reply-To: <28126792.post@talk.nabble.com>
References: <28126792.post@talk.nabble.com>

junaidmalik14 wrote on 03.04.2010 14:58:
>
> Is there any alternative of mysql function COUNT(DISTINCT expr,[expr...]) in
> postgres. We get error if we
>
> write count like this count(distinct profile.id, profile.name, profile.age)
> but it works well in mysql.
>
> Reference url is given below
>
> http://dev.mysql.com/doc/refman/5.1/en/group-by-functions.html#function_count-distinct
>
> Thanks

Your question has been answered several times already (including this list)

http://archives.postgresql.org/pgsql-hackers/2010-04/msg00182.php
http://archives.postgresql.org/pgsql-hackers/2010-04/msg00179.php
http://forums.devshed.com/postgresql-help-21/count-function-alternative-in-postgres-691450.html
http://www.dbforums.com/postgresql/1655165-count-function-alternative-postgres.html

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