It's very easy: NumericRangeQuery.nexXxxRange(field, val, val, true, true) - val is the exact match. This is not slower as this automatically rewrites to a non-scored TermQuery. If you already changed QueryParser, you can also override the method for exactMatches (newTermQuery).
----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de eMail: u...@thetaphi.de > -----Original Message----- > From: Ivan Vasilev [mailto:ivasi...@sirma.bg] > Sent: Friday, February 26, 2010 8:21 PM > To: LUCENE MAIL LIST > Subject: NumericField exact match > > Hi Guys, > > Is it possible to make exact searches on fields that are of type > NumericField and if yes how? > In the LIA book part 2 I found only information about Range searches on > such fields and how to Sort them. > > Example - I have field "size" that can take integers as values. > I want to get docs that are with "size:100". > For the regular fields "size:100" is OK to pass to Parser but with > NumericField it does not work. > The only approach to support such fields that I can see is - to have > parallel casual Field (example "size2") and to index the same data > there. > And then when user wants exact search on "size" I to perform > "size2:100". > > Is this the most appropriate way for my case on your opinion? > > Thanks, > Ivan > > > > --------------------------------------------------------------------- > 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
