Thanks, Uwe. I've found the problem. the updateTime field is lost when i converted my index from an older version.
Another question, is there any detailed tutorial about Lucene 3.0.0? 2009/12/9 Uwe Schindler <u...@thetaphi.de> > How did you index your date? > > I would suggest to reindex the date using NumericField! And then query > using > NumericRangeQuery. If reindexing is not possible the Query like you have > done, should work. Please give us examples of how you indexed and how you > query. > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: u...@thetaphi.de > > > -----Original Message----- > > From: Weiwei Wang [mailto:ww.wang...@gmail.com] > > Sent: Wednesday, December 09, 2009 4:23 AM > > To: java-user@lucene.apache.org > > Subject: HOW to do date range searchi in 3.0 > > > > Hi, all > > I need to do a date range search like date:[a previous time to null] > > I used a filter to do this job, the code is shown below: > > Calendar c = Calendar.getInstance(); > > c.setTimeInMillis(c.getTimeInMillis() - > > parameter.getRecentUpdateConstraint() > > * RosaCrawlerConstants.ONE_DAY_IN_MILLISECOND); > > String fromTime = DateTools.dateToString(c.getTime(), > > DateTools.Resolution.DAY); > > Query updateTimeRange = new > > TermRangeQuery("updateTime",fromTime,null,true,false); > > query.add(updateTimeRange, BooleanClause.Occur.MUST); > > > > However, it doesn't work as before in version 2.4.1(I'm updating my > > project > > from version 2.4.1 to lucenen 3.0.0) > > > > Could anybody here offer me a solution? > > -- > > Weiwei Wang > > Alex Wang > > 王巍巍 > > Room 403, Mengmin Wei Building > > Computer Science Department > > Gulou Campus of Nanjing University > > Nanjing, P.R.China, 210093 > > > > Homepage: http://cs.nju.edu.cn/rl/weiweiwang > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > -- Weiwei Wang Alex Wang 王巍巍 Room 403, Mengmin Wei Building Computer Science Department Gulou Campus of Nanjing University Nanjing, P.R.China, 210093 Homepage: http://cs.nju.edu.cn/rl/weiweiwang
