Re: retrieve grouping sets/rollup rows

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Tom Smith <tomsmith1989sk(at)gmail(dot)com>
Cc: James Keener <jim(at)jimkeener(dot)com>, PostgreSQL General <pgsql-general(at)postgresql(dot)org>
Subject: Re: retrieve grouping sets/rollup rows
Date: 2016-03-14 02:44:55
Message-ID: 18053.1457923495@sss.pgh.pa.us
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>> On 03/13/2016 10:07 PM, Tom Smith wrote:
>>> It would help if the resultset has some param to mark which is which
>>> with the grouping sets index.

I think you're looking for the GROUPING() function. See
http://www.postgresql.org/docs/9.5/static/functions-aggregate.html

regards, tom lane

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