Re: Retreving count of rows returned by a join query

From: "Phillip Smith" <phillip(dot)smith(at)weatherbeeta(dot)com(dot)au>
To: "'Jasbinder Singh Bali'" <jsbali(at)gmail(dot)com>, "'Novice Postgresql-list'" <pgsql-novice(at)postgresql(dot)org>
Subject: Re: Retreving count of rows returned by a join query
Date: 2007-05-31 09:05:30
Message-ID: 01c401c7a362$d6743150$9b0014ac@wbaus090
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Works for me:

select count(*) from a, b where a.3 = b.3;

-----Original Message-----
From: pgsql-novice-owner(at)postgresql(dot)org
[mailto:pgsql-novice-owner(at)postgresql(dot)org] On Behalf Of Jasbinder Singh Bali
Sent: Thursday, 31 May 2007 18:32
To: Novice Postgresql-list
Subject: [NOVICE] Retreving count of rows returned by a join query

I have a query in which I have joins.

something like

select a.1, b.2 from a, b
where a.3 = b.3;

how can I fetch the number of rows returned by this query.
normal count(*) doesn't work in this context as desired.

Thanks,
~Jas

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