Can someone give some hint on this? Or this is a tough problem. Thanks in advance.
On Sun, Mar 24, 2013 at 2:46 AM, Wei Wang <welshw...@gmail.com> wrote: > Hello, > > We have documents with many numerical fields. In some search scenario, > we would like to create a filter based on the sum of the values of two > fields. > > For example, assume we have fields F1 and F2, we would like to find > all documents with condition F1+F2 > 5.0. This filter may be combined > with other filters to form a BooleanFilter. > > The question is, is there any way to construct an efficient filter to do this? > > We know it is possible to pre-compute another field F3 with sums of > corresponding F1 and F2 values and then filter based on the values of > F3. However, we have too many possible combination of pairs of > numerical fields which leads to large number of aggregated fields such > as F3. Can we directly use the values of F1 and F2 to create a filter? > > Thanks, > Wei --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
