On Mon, May 5, 2014 at 6:18 PM, Romain <romain....@gmail.com> wrote: > Hi, > > I am trying to plot a non date field by time in order to draw an histogram > showing its evolution during the week. > > For example, if I have a tweet index: > > Tweet: > date > retweetCount > > 3 tweets indexed: > Tweet | Date | Retweet > A 01/01 100 > B 01/01 100 > C 01/02 100 > > If I want to plot the number of tweets by day: easy with a date range facet: > Day 1: 2 > Day 2: 1 > > But now counting the number of retweet by day is not possible natively: > Day 1: 200 > Day 2: 100
Check out "facet functions" in Heliosearch (an experimental fork of Solr): http://heliosearch.org/solr-facet-functions/ All you would need to do is add: facet.stat=sum(retweetCount) -Yonik http://heliosearch.org - solve Solr GC pauses with off-heap filters and fieldcache
