Got it，thanks 在 2013-8-21 下午10:03，"Uwe Schindler" <u...@thetaphi.de>写道：
> Hi, > > It is numeric order according to the rules of Type#compareTo(Type) [Type = > Integer, Long, Float, Double]. But be careful: unless the precision step of > the numeric field is infinite, there are additional helper terms after the > largest numeric value. You can differentiate them on the term prefix, but > this is all internal stuff, not really public. Also, the terms are not > human-readable. > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > > > > -----Original Message----- > > From: Yonghui Zhao [mailto:zhaoyong...@gmail.com] > > Sent: Wednesday, August 21, 2013 1:38 PM > > To: java-user@lucene.apache.org > > Subject: NumericField traverse order > > > > If we traverse a string field use code below, the value order is string > older. > > > > Terms terms = reader.terms(“strField"); > > if (terms != null) { > > TermsEnum termsEnum = terms.iterator(null); > > BytesRef text; > > while ((text = termsEnum.next()) != null) > > > > > > How about numeric field. IntField, LongField, and DoubleField .... > > > > What's the order? Numeric order? > > > > Thanks > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
