With multiple fields of the same name vs a single field I doubt you'd be able to tell the difference in performance or matching or scoring in normal use. There may be some matching/ranking effect if you are looking at, say, span queries across the multiple fields.
Try it out and see what happens. -- Ian. On Tue, Oct 8, 2013 at 3:03 AM, Earl Hood <e...@earlhood.com> wrote: > Using Lucene 3. > > I know Lucene supports multiple occurrences of a field, and if one > searches on that field, all fields are checked for hits. One question I > have is if there is a performance difference between if all the data I > want to index is represented by a single field vs multiple fields of the > same name? > > The other question is if scoring of results differ between the use of a > single field vs multiple fields of the same name? > > For results ranking, I am guessing there is an effect based on > <https://wiki.apache.org/lucene-java/LuceneFAQ#How_can_I_search_over_multiple_fields.3F> > and > <https://wiki.apache.org/lucene-java/LuceneFAQ#Does_the_position_of_the_matches_in_the_text_affect_the_scoring.3F> > But I am not sure if this only applicable for cases of different fields > names vs fields of the same name. > > --ewh > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
