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From Weiwei Wang <ww.wang...@gmail.com>
Subject Re: HOW to do date range searchi in 3.0
Date Wed, 09 Dec 2009 07:12:21 GMT
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 <uwe@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: uwe@thetaphi.de
>
> > -----Original Message-----
> > From: Weiwei Wang [mailto:ww.wang.cs@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
>
>
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>


-- 
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

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