Hi Erik, Thanks for the reply! Do you mean parse and modify the documents before sending them to Solr?
Cheers, Yubing On Mon, Nov 3, 2014 at 8:48 PM, Erick Erickson <erickerick...@gmail.com> wrote: > Wouldn't it be easiest to compute the span at index time? Then it's > very straight-forward. > > Best, > Erick > > On Mon, Nov 3, 2014 at 8:18 PM, Yubing (Tom) Dong 董玉冰 > <tom.tung....@gmail.com> wrote: > > Hi, > > > > I'm new to Solr, and I'm having a problem with faceting. I would really > > appreciate it if you could help :) > > > > I have a set of documents in JSON format, which I could post to my Solr > > core using the post.jar tool. Each document contains two fields, namely > > "startDate" and "endDate", both of which are of type "date". > > > > Conceptually, I would like to have a third field "timeSpan" that is > > automatically generated from the return value of function query > > "ms(endDate, startDate)", and do range facet on it, i.e. compute the > > distribution of "timeSpan", among either all of or a filtered subset of > the > > documents. > > > > I have tried to find ways of both directly faceting the function return > > values and automatically generate the "timeSpan" field during indexing, > but > > without luck yet. > > > > Suggestions are greatly appreciated! > > > > Best, > > Yubing >
