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From "黄成" <zzzhc.starf...@gmail.com>
Subject Re: Order the index by timestamp field and Get n documents
Date Wed, 12 Nov 2008 03:17:55 GMT
I think you should use NumberTools to format timestamp first, otherwise sort
will not work correctly

On Mon, Nov 10, 2008 at 8:00 PM, Cool The Breezer
<techcool.kumar@yahoo.com>wrote:

> Could able to do that using range query
>
> String end = "253373251260000";//i.e. 11/30/9999, assume that this is max
> end date
>
> Term endTerm = new Term("timestamp",end);
> RangeQuery rangeQuery = new RangeQuery(null,endTerm,true);
>
> Sort sort = new Sort("timestamp",true);
> Filter dupFilter = new DuplicateFilter("id");
> Hits hits = searcher.search(rangeQuery,dupFilter,sort);
>
>
>
>
> --- On Mon, 11/10/08, Cool The Breezer <techcool.kumar@yahoo.com> wrote:
>
> > From: Cool The Breezer <techcool.kumar@yahoo.com>
> > Subject: Order the index by timestamp field and Get n documents
> > To: java-user@lucene.apache.org
> > Date: Monday, November 10, 2008, 1:21 AM
> > Hi,
> >    In my index, there is a field called timestamp which is
> > long value of date. I am  trying to get sort all documents
> > by timestamp and get N documents.
> > I am trying to find a way to create a query like
> > "timestamp > 0" and then order the result by
> > timestamp and get N fields. However I am not able to do
> > that. Suggest me the best way. Or there are any lowlevel
> > method available for the same.
> >
> > I am using Lucene 2.3.1 and looking into method
> > search(Weight weight, Filter filter, int nDocs, Sort sort)
> > in IndexSearcher. Trying to know how to create a Weight
> > object.
> >
> > Anyway, I would really appreciate your suggestion....
> >
> > -RB
> >
> >
> >
> >
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>
>
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