Thanks Schindler. The approach did work for me! I need the size of results to be same as the indexed documents for further processing. The work around you suggested works for this purpose :)
Best, Susrutha On Wed, May 13, 2015 at 12:34 PM, Uwe Schindler <[email protected]> wrote: > There is one possibility to get *all* documents, if you are happy with the > fact that non-matching documents get a score factor of 0.0: > > Scores of SHOULD clauses in a Boolean query get "added". You can combine > your original query ("yourOriginalQuery"; with real scores) with another > query ("fakeQuery") matching all documents and having score = 0.0 in a > single final BooleanQuery ("finalQuery"=, you get score 0.0 for > non-matching documents, and score 0.0 + realScore => realScore for all > others: > > BooleanQuery finalQuery = new BooleanQuery(true); // BooleanQuery without > coord factors, so it just adds scores nothing else > finalQuery.add(yourOriginalQuery, BooleanClause.Occur.SHOULD); > > Query fakeQuery = new MatchAllDocsQuery(); > fakeQuery.setBoost(0); // tune the boost, so this query always returns a > score of 0 > finalQuery.add(fakeQuery, BooleanClause.Occur.SHOULD); > > // execute finalQuery! > > Hope that helps! > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: [email protected] > > > > -----Original Message----- > > From: Susrutha Gongalla [mailto:[email protected]] > > Sent: Tuesday, May 12, 2015 12:28 PM > > To: [email protected] > > Subject: Controlling size of matched results in Lucene > > > > Hello, > > > > I am developing a matching algorithm using Lucene 4.10.0 My index > consists > > of about 2000 documents. > > When I use the 'search' method on a query term, I get about n results > that > > point to the n documents in index along with their corresponding scores. > > What I would like to get is - All the 2000 documents with their lucene > scores > > along with whether they are matched/unmatched. > > I would like to control the size of results that lucene returns when I > search for > > a query term. > > > > I have tried altering the default similarity used in lucene by > overriding the > > score methods. > > However, this did not affect the size of results generated by lucene. > > > > I also tried explicitly given 'null' value for filter, when calling the > 'search' > > method. > > This also did not affect the size of results. > > > > I just started working with Lucene. > > Would appreciate any help in this regard! > > > > Best, > > Susrutha Gongalla > >
