I need to make a chart with hourly sum of values restricted to March. So I don't need one number with the sum of whole March month.
2011/6/9 David Hardtke <[email protected]> > Hi Fabio, > > This should work. You can use the _sum builtin as reduce: > > "reduce":"_sum" > > You then need to query your view with the proper group level and a startkey > and endkey: > > GET > db/_design/power/_view/watt?group_level=2&startkey=[2011,3]&endkey=[2011,4]&inclusive_end=false > > That gives you the sum for the month of March. > > > > > On 06/09/11 09:06, Fabio Di Bernardini wrote: > >> Il 09/06/2011 17:18, Fabio Di Bernardini ha scritto: >> >>> If I have a map function emitting a timestamp as key ad a number as >>> document, how to get sum of values selecting a date range? >>> >> >> More datails here: >> >> http://stackoverflow.com/questions/6294794/how-to-sum-values-of-a-view-in-a-date-range-using-couchdb >> > >
