Turns out that update processors perfectly suit me needs. I ended up using the StatelessScriptUpdateProcessor with a simple js script :-)
On Mon Nov 03 2014 at 下午10:40:52 Yubing (Tom) Dong 董玉冰 < tom.tung....@gmail.com> wrote: > I see. Thank you! :-) > > Sent from my Android phone > On Nov 3, 2014 9:35 PM, "Erick Erickson" <erickerick...@gmail.com> wrote: > >> Yep. It's almost always easier and faster if you can pre-compute as >> much as possible during indexing time. It'll take longer to index of >> course, but the ratio of writing to the index to searching is usually >> hugely in favor of doing the work during indexing. >> >> Best, >> Erick >> >> On Mon, Nov 3, 2014 at 8:52 PM, Yubing (Tom) Dong 董玉冰 >> <tom.tung....@gmail.com> wrote: >> > 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 >> >> >> >
