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From: David Johnston <polobo@yahoo.com>
To: pgsql-sql@postgresql.org
Subject: Re: pivot query with count
Date: Fri, 12 Apr 2013 20:29:15 -0700 (PDT)
Message-ID: <1365823755894-5752078.post@n5.nabble.com> (raw)
In-Reply-To: <1365823565069-5752077.post@n5.nabble.com>
References: <CABx31i5XhBMdCG1epRo+1MOSJfwqefUgYQ=mxkr-zaW63uGsSw@mail.gmail.com>
	<1365823565069-5752077.post@n5.nabble.com>
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My prior comment simply answers your question.   You likely can rewrite your
query so that a separate grouping layer is not needed (or rather the group
by would exist in the main query and you minimize the case/sub-select column
queries and use aggregates and case instead).

David J.




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