From: Mathieu Arnold <mat@mat.cc>
To: pgsql-sql@postgresql.org
Subject: problem with subselect
Date: Fri, 07 Mar 2003 14:04:42 +0100
Message-ID: <2063882566.1047045882@andromede.reaumur.absolight.net> (raw)
Hi,
I have this :
SELECT date_trunc('month', f.date_creation) as mois,
sum(f.montant_ttc / d.taux) as facture,
(SELECT sum(f2.montant_ttc / d2.taux) as facture2
FROM facture AS f2 JOIN devise AS d2 USING (id_devise)
WHERE date_trunc('month', f2.date_creation)
<= date_trunc('month', f.date_creation))
FROM facture AS f JOIN devise AS d USING (id_devise)
GROUP BY date_trunc('month', f.date_creation)
which does not work... telling me that
"Sub-SELECT uses un-GROUPed attribute f.date_creation from outer query"
Which is not really true, but some way is...
What I want is to get the sum of the month, and the sum of the month and
the previous.
If someone has a clue, something, anything... :)
--
Mathieu Arnold
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To: pgsql-sql@postgresql.org
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Subject: Re: problem with subselect
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