Is there a way I can issue a regular query with q and then apply functionQuery only on the top n documents of the result from q ? Applying functionQuery on all documents will be very expensive in my case. I am not able to find a way to "rerank" only top N documents using Function Query.
--aj On Fri, Sep 18, 2015 at 5:04 AM Joel Bernstein <joels...@gmail.com> wrote: > The ReRankQuery re-ranks the Top N documents of the main query based on a > query. Rather then the CustomScoreQuery you may want to look at ReRanking > by a Function Query using the FunctionQParserPlugin. This would allow you > to directly control the ReRankScore for the top N documents. > > Writing your own RankQuery should be the last resort if you can't make a > Function Query do what you need to do. > > > > Joel Bernstein > http://joelsolr.blogspot.com/ > > On Thu, Sep 17, 2015 at 10:44 PM, Ajinkya Kale <kaleajin...@gmail.com> > wrote: > > > Hi all, > > > > I am new to Solr. I have a QParser plugin which uses an implementation > > of CustomScoreQuery to provide custom score for each document. > > Is there a way I can use the same plugin to provide score for top N > > documents after an initial query/sort ? > > I looked at the ReRankQParserPlugin but it looks lot more involved to > write > > a custom RankQuery implementation. So I was thinking if I can reuse my > > existing CustomScoreQuery implementation to provide score for top N > > documents to rerank. > > > > On a side note, is there a place where the ReRankQParserPlugin is > explained > > in detail ? > > > > --aj > > >
