QueryParser.setDefaultOperator On 7/19/07, Askar Zaidi <[EMAIL PROTECTED]> wrote:
Hey Erik, How can I change the default Lucene OR property to AND. When I tried query.toString(), I got contents:w contents:chan contents: kim Thats fine, but its doing OR, how can I make it AND so that it shows: contents: W Chan Kim ?? thanks a ton ! AZ On 7/19/07, Erick Erickson <[EMAIL PROTECTED]> wrote: > > You say there's only one document and you added many. The line > > IndexWriter writer = new IndexWriter(indexPath, new StandardAnalyzer(), > true); > > blows away any existing index data and starts over. If you're calling > this fragment for each document, you'll always have only one doc. Try > changing the 'true' to 'false'. Or better yet, open the writer outside the > document add routines and pass it in... > > I still have no clue why you're getting the results you are. > StandardAnalyzer > doesn't stem, so that's probably not it. Try query.toString() to see what > the actual query you're submitting is. Then, I'd think about playing with > that > query in Luke to see what's happening. > > Best > ErickOn 7/19/07, Ard Schrijvers <[EMAIL PROTECTED]> wrote: > > > > Hello Askar, > > > > Which analyzer are you using for indexing and searching? If you use an > > analyzer that uses stemming, you might see that "change", "changing", > > "changed", "chan" etc al get reduced to the same word "chan". > > > > In luke you can test with plugins that show you what tokens are created > > from your analyzer, > > > > Regards Ard > > > > > > > > > > > > > Hey Guys, > > > > > > I just checked my Lucene results. It shows a document with > > > the word hit > > > "change" when I am searching for "Chan", and it considers > > > that as a hit. Is > > > there a way to stop this and show just the exact word match ? > > > > > > I started using Lucene yesterday, so I am fairly new ! > > > > > > thanks > > > AZ > > > > > > On 7/18/07, Erick Erickson <[EMAIL PROTECTED]> wrote: > > > > > > > > Are you sure that the hit wasn't on "w" or "kim"? The > > > > default for searching is OR... > > > > > > > > I recommend that you get a copy of Luke (google lucene luke) > > > > which allows you to examine your index as well as see how > > > > queries parse using various analyzers. It's an invaluable tool... > > > > > > > > Best > > > > Erick > > > > > > > > On 7/18/07, Askar Zaidi <[EMAIL PROTECTED]> wrote: > > > > > > > > > > Hey folks, > > > > > > > > > > I am a new Lucene user , I used the following after indexing: > > > > > > > > > > search(searcher, "W. Chan Kim"); > > > > > > > > > > Lucene showed me hits of documents where "channel" word > > > existed. Notice > > > > > that > > > > > "Chan" is a part of "Channel" . How do I stop this ? > > > > > > > > > > I am keen to find the exact word. > > > > > > > > > > I used the following, before the search method: > > > > > > > > > > IndexWriter writer = new IndexWriter(indexPath, new > > > StandardAnalyzer(), > > > > > true); > > > > > > > > > > writer.addDocument > > > > > (createDocument(item,words)); > > > > > writer.optimize(); > > > > > writer.close(); > > > > > searcher = new > > > IndexSearcher(indexPath); > > > > > > > > > > thanks ! > > > > > > > > > > AZ > > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > >
