This can happen in some cases: for example if you are doing a disjunction of "foo" and "bar" with coordination factor disabled, and the segment has no postings for "bar".
In this case the optimum scorer to return is just a termscorer for "foo". On Thu, Aug 7, 2014 at 12:42 PM, Christian Reuschling <reuschl...@dfki.uni-kl.de> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hello, > > I try to get the scorer for a result document, for further computation. > > List<AtomicReaderContext> leafContexts = indexReader.leaves(); > int n = ReaderUtil.subIndex(scoreDoc.doc, leafContexts); > AtomicReaderContext ctx = leafContexts.get(n); > Scorer scorer = weight.scorer(ctx, ctx.reader().getLiveDocs()); > > in most cases, the type of the scorer is DisjunctionSumScorer. But for one > result document, the > type of scorer is surprisingly a TermScorer. > > the weight object is in any case the same - the only different thing is the > scoreDoc.doc doc > number. It seems that it is the result doc with the smallest doc number, all > other result > documents are from a different subIndex (n). > > For DisjunctionSumScorer, my code works just fine. What is the reason that a > BooleanWeight can > return a TermScorer? And can I force the weight to do not? > > best regards > > Christian > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.19 (GNU/Linux) > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iEYEARECAAYFAlPjrGkACgkQ6EqMXq+WZg/d/ACgilM3iLefG5LQzVXX9bv6xIV7 > 4asAoLWg4yIaaJa/VLoRU7QjS6Vaqnn2 > =I3ZD > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > 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
