Unless I'm way off base, that's what the ScoreDocs[] array is all about....
Best Erick On Fri, Nov 20, 2009 at 3:21 PM, it99 <deswiatlow...@syrres.com> wrote: > > Thanks for the info! > I was comparing from the Hits the nth number in the set number to > the documentId so that's why they are different. Is there anyway to get the > 'nth number in set' if you have the docId without using the Hits object? Or > is that a Hits only thing? > > > > Erick Erickson wrote: > > > > The doc IDs should be consistent *unless* you did anything to the > > index, things you might not think would change anything. For instance, > > any kind of commit (assuming you'd ever deleted a document, say). etc. > > > > So if you haven't changed your index at all, your doc IDs won't change. > > But as I said, some operations you don't think would change your doc IDs > > actually will.... > > > > HTH > > Erick > > > > On Fri, Nov 20, 2009 at 10:17 AM, it99 <deswiatlow...@syrres.com> wrote: > > > >> > >> Thanks that helped a lot with the speed!! > >> I am getting same search results but with different docIds. Is this > >> expected > >> and OK? Are they just arbitrar numbers > >> > >> If I changed from > >> Hits hits = mSearcher.search(query, filter); > >> > >> > >> To the following > >> TopDocCollector collector = new TopDocCollector(1000000); > >> mSearcher.search(query, filter,collector); > >> hits = collector.topDocs().scoreDocs; > >> > >> > >> > >> > >> > >> > >> > >> Ian Lea wrote: > >> > > >> > First queries are often slow and subsequent ones faster. Search the > >> > list for warming - I think there was something on it in the last > >> > couple of days. Or read the "When measuring performance, disregard > >> > the first query" bit of > >> > http://wiki.apache.org/lucene-java/ImproveSearchingSpeed > >> > > >> > A good number to pass to the Collector is however many docs you are > >> > going to be interested in. If you are just going to display the first > >> > 10, pass 10. > >> > > >> > > >> > -- > >> > Ian. > >> > > >> > > >> > On Thu, Nov 19, 2009 at 3:36 PM, it99 <deswiatlow...@syrres.com> > wrote: > >> >> > >> >> What is the best way to iterate across all the documents in a search > >> >> results? > >> >> Previously I was using the deprecated Hits object but changed the > >> >> implentations as recommended in javadocs to ScoreDoc. > >> >> > >> >> I've tried the following but I've seen warning about peformance. > >> >> Seems the first time I query something it takes long time and then > >> after > >> >> that it is quick. > >> >> > >> >> > >> >> > >> >> for (int i = 0; i < mNumberOfHits; i++) > >> >> { > >> >> > >> >> int docId = hits[i].doc; > >> >> Document doc = searcher.doc(docId); > >> >> } > >> >> > >> >> Here's the code for the search > >> >> What is good number to pass intot TopDocCollector? > >> >> > >> >> TopDocCollector collector = new TopDocCollector(1000000); > >> >> searcher.search(query, collector); > >> >> ScoreDoc[] hits = collector.topDocs().scoreDocs; > >> >> -- > >> >> View this message in context: > >> >> > >> > http://old.nabble.com/best-way-to-iterate-through-all-docs-from-a-query-tp26421373p26421373.html > >> >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. > >> >> > >> >> > >> >> --------------------------------------------------------------------- > >> >> 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 > >> > > >> > > >> > > >> > >> -- > >> View this message in context: > >> > http://old.nabble.com/best-way-to-iterate-through-all-docs-from-a-query-tp26421373p26442733.html > >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. > >> > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > >> For additional commands, e-mail: java-user-h...@lucene.apache.org > >> > >> > > > > > > -- > View this message in context: > http://old.nabble.com/best-way-to-iterate-through-all-docs-from-a-query-tp26421373p26447343.html > Sent from the Lucene - Java Users mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
