From: maya.more <meena.mk@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Group by on Date
Date: Fri, 14 Oct 2011 23:51:50 -0700 (PDT)
Message-ID: <1318661510830-4904685.post@n5.nabble.com> (raw)
I have a table with Date and unit column. . I want to find sum of unit column
considering 3 days each
User will specify start and enddate
Eg
Date Unit
10/1/2011 1
10/2/2011 2
10/3/2011 3
10/4/2011 4
10/5/2011 4
10/6/2011 1
10/7/2011 2
10/8/2011 3
10/9/2011 1
10/10/2011 1
10/11/2011 1
suppose if user selects date 10/1/2011 to 10/6/2011
then output should be
start date enddate unit
10/1/2011 10/3/2011 6
10/4/2011 10/6/2011 9
pls let me know if anybody has any idea.
Thanks in advance
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To: pgsql-sql@postgresql.org
Cc: meena.mk@gmail.com
Subject: Re: Group by on Date
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