Hi, The next version won't have a fix for this unless someone opens an issue / posts a patch.
Mike McCandless http://blog.mikemccandless.com On Fri, Jan 4, 2013 at 7:59 PM, 장용석 <need4...@gmail.com> wrote: > Hello Mike. > Thanks for your reply. > > It's not an important issue. > I'll waiting for next release version including this patch. > > Thanks. > > 2013/1/4 Michael McCandless <luc...@mikemccandless.com> > >> The problem is that the TermVectorsFormat for the default codec >> (Lucene40TermVectorsFormat) does not store this statistic >> per-document, currently. We could in theory fix this ... maybe open >> an issue / make a patch if it's important? >> >> -1 return value is actually "valid": it means this statistic is not >> available. >> >> Mike McCandless >> >> http://blog.mikemccandless.com >> >> On Fri, Jan 4, 2013 at 2:39 AM, 장용석 <need4...@gmail.com> wrote: >> > Hello. >> > I have some questions. >> > >> > Document 1 : "learning perl learning java learning ruby" >> > Document 2 : "perl test" >> > >> > I have indexed this documents, with StoreTermVectors(true) and >> > IndexOptions.DOCS_AND_FREQS. >> > Field name is "f". >> > >> > And I executed this code. >> > >> > IndexReader ir = IndexReader.open(dir); >> > Terms terms = ir.getTermVector(0, "f"); >> > >> > System.out.println(terms.getDocCount()); -> 1 >> > System.out.println(terms.getSumDocFreq()); -> 4 >> > System.out.println(terms.getSumTotalTermFreq()); -> -1 >> > >> > I think this terms instance acts like a single-document inverted index. >> > >> > So getDocCount is 1 (single document), and getSumDocFreq is 4. (because >> > each term's docFreq is 1) >> > Is this right? >> > >> > But I can't understand why getSumTotalTermFreq method return -1. >> > In javadoc getSumTotalTermFreq is sum of >> > >> TermsEnum.totalTermFreq<eclipse-javadoc:%E2%98%82=aboutLucene4/lib%5C/lucene-core-4.0.0.jar%3Corg.apache.lucene.index(Terms.class%E2%98%83Terms~getSumTotalTermFreq%E2%98%82TermsEnum%E2%98%82totalTermFreq> >> > . >> > >> > I think in Document1, each term's totalTermFreqs are [learning, 3], >> [java, >> > 1], [perl, 1], [ruby, 1]. >> > So getSumTotalTermFreq method's result is 6 not -1. >> > >> > Why temrs.getSumTotalTermFreq() method return -1? >> > >> > >> > Thanks in advance. >> > -- >> > DEV용식 >> > http://devyongsik.tistory.com >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> > > > -- > DEV용식 > http://devyongsik.tistory.com --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org