The actual query is
Query q = new QueryParser(Version.LUCENE_35, "searchText",
analyzer).parse("Takeaway f...@company.com");
If I use
Query q = new QueryParser(Version.LUCENE_35, "searchText", analyzer).parse("
f...@company.com");
I get them in the reverse order.
Regards
Meeraj
On Wed, May 16, 2012 at 9:48 PM, Meeraj Kunnumpurath <
meeraj.kunnumpur...@asyska.com> wrote:
> I have tried the same using Lucene directly with the following code,
>
> import org.apache.lucene.store.RAMDirectory;
> import org.apache.lucene.document.Document;
> import org.apache.lucene.document.Field;
> import org.apache.lucene.index.IndexWriterConfig;
> import org.apache.lucene.util.Version;
> import org.apache.lucene.analysis.standard.StandardAnalyzer;
> import org.apache.lucene.index.IndexWriter;
> import org.apache.lucene.queryParser.QueryParser;
> import org.apache.lucene.index.IndexReader;
> import org.apache.lucene.search.IndexSearcher;
> import org.apache.lucene.search.Query;
> import org.apache.lucene.search.TopScoreDocCollector;
> import org.apache.lucene.search.ScoreDoc;
>
> public class LuceneTest {
>
> public static void main(String[] args) throws Exception {
>
> StandardAnalyzer analyzer = new
> StandardAnalyzer(Version.LUCENE_35);
> RAMDirectory index = new RAMDirectory();
> IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_35,
> analyzer);
> IndexWriter indexWriter = new IndexWriter(index, config);
>
> Document doc1 = new Document();
> doc1.add(new Field("searchText", "ABC Takeaway f...@company.com
> f...@company.com", Field.Store.YES, Field.Index.ANALYZED));
> Document doc2 = new Document();
> doc2.add(new Field("searchText", "XYZ Takeaway f...@company.com",
> Field.Store.YES, Field.Index.ANALYZED));
>
> indexWriter.addDocument(doc1);
> indexWriter.addDocument(doc2);
> indexWriter.close();
>
> Query q = new QueryParser(Version.LUCENE_35, "searchText",
> analyzer).parse("Takeaway");
>
> int hitsPerPage = 10;
> IndexReader reader = IndexReader.open(index);
> IndexSearcher searcher = new IndexSearcher(reader);
> TopScoreDocCollector collector =
> TopScoreDocCollector.create(hitsPerPage, true);
> searcher.search(q, collector);
> ScoreDoc[] hits = collector.topDocs().scoreDocs;
>
> System.out.println("Found " + hits.length + " hits.");
> for(int i=0;i<hits.length;++i) {
> int docId = hits[i].doc;
> Document d = searcher.doc(docId);
> System.out.println((i + 1) + ". " + d.get("searchText"));
> }
>
> }
>
> }
>
> The output is ..
>
> Found 2 hits.
> 1. XYZ Takeaway f...@company.com
> 2. ABC Takeaway f...@company.com f...@company.com
>
>
> On Wed, May 16, 2012 at 9:21 PM, Meeraj Kunnumpurath <
> meeraj.kunnumpur...@asyska.com> wrote:
>
>> Thanks Ivan.
>>
>> I don't use Lucene directly, it is used behind the scene by the Neo4J
>> graph database for full-text indexing. According to their documentation for
>> full text indexes they use white space tokenizer in the analyser. Yes, I do
>> get Listing 2 first now. Though if I exclude the term "Takeaway" from the
>> search string, and just put "f...@company.com", I get Listing 1 first.
>>
>> Regards
>> Meeraj
>>
>>
>> On Wed, May 16, 2012 at 8:49 PM, Ivan Brusic <i...@brusic.com> wrote:
>>
>>> Use the explain function to understand why the query is producing the
>>> results you see.
>>>
>>>
>>> http://lucene.apache.org/core/3_6_0/api/core/org/apache/lucene/search/Searcher.html#explain(org.apache.lucene.search.Query
>>> ,
>>> int)
>>>
>>> Does your current query return Listing 2 first? That might be because
>>> of term frequencies. Which analyzers are you using?
>>>
>>> http://www.lucidimagination.com/content/scaling-lucene-and-solr#d0e63
>>>
>>> Cheers,
>>>
>>> Ivan
>>>
>>> On Wed, May 16, 2012 at 12:41 PM, Meeraj Kunnumpurath
>>> <meeraj.kunnumpur...@asyska.com> wrote:
>>> > Hi,
>>> >
>>> > I am quite new to Lucene. I am trying to use it to index listings of
>>> local
>>> > businesses. The index has only one field, that stores the attributes
>>> of a
>>> > listing as well as email addresses of users who have rated that
>>> business.
>>> >
>>> > For example,
>>> >
>>> > Listing 1: "XYZ Takeaway London f...@company.com bar...@company.com
>>> > f...@company.com"
>>> > Listing 2: "ABC Takeaway London f...@company.com bar...@company.com"
>>> >
>>> > Now when the user does a search with "Takeaway f...@company.com", how
>>> do I
>>> > get listing 1 to always come before listing 2, because it has the term
>>> > f...@company.com appear twice where as listing 2 has it only once?
>>> >
>>> > Regards
>>> > Meeraj
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>> For additional commands, e-mail: java-user-h...@lucene.apache.org
>>>
>>>
>>
>
