See Sort class javadoc:
http://hudson.zones.apache.org/hudson/job/Lucene-trunk/javadoc/org/apache/lucene/search/Sort.html
It says:
The fields used to determine sort order must be carefully chosen.
Documents must contain a single term in such a field, and the value of
the term should indicate the document's relative position in a given
sort order. The field must be indexed, but should not be tokenized, and
does not need to be stored (unless you happen to want it back with the
rest of your document data). In other words:
document.add (new Field ("byNumber", Integer.toString(x),
Field.Store.NO, Field.Index.NOT_ANALYZED));
Koji
장용석 wrote:
> Hi.
>
> I want to test sorting when search so I was created simple index like this.
>
> String[] samples = {"duck dog","first dog","grammar dog","come dog","basic
> dog","intro dog","lipton dog","search dog","servlet dog","jan dog"};
> Directory dir = FSDirectory.getDirectory(path);
> IndexWriter writer = new IndexWriter(dir,new GSKoreanAnalyzer(true),true);
> Document document = null;
>
> for(int i = 0; i < samples.length; i++) {
> document = new Document();
> Field field = new
> Field("name",samples[i],Field.Store.YES,Field.Index.ANALYZED,Field.TermVector.WITH_POSITIONS_OFFSETS);
> document.add(field);
>
> writer.addDocument(document);
> }
> writer.optimize();
> writer.close();
> and I did create sample code (use Sort and TopFieldDocs).
>
> but It didn't work and throw Exception "there are more terms than documents
> in field "name", but it's impossible to sort on tokenized fields"
>
> What is this mean? I was searched about this issue in google and lucene
> java-wiki but I can't find.
>
> Is my code is wrong?
>
> If I had mistake, point to me please.
>
> Thanks.
>
> - Jang.
>
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