Hi Digy, thanks for the response.
I didn't realise that about the StandardAnalyzer. The new documents
seemingly disappearing each time was of course a 'true' being passed to the
create parameter on the index writer.
Thanks again,
Tim
2008/7/12 Digy <[EMAIL PROTECTED]>:
> Since you are indexing with StandardAnalyzer, all tokens of indexed fields
> are stored in lowercase.
>
> if you create the term like
>
> Term t = new Term("folder", "inbox");
>
> you will get results.
>
>
>
> Or alternatively, you can use QueryParser
>
>
>
> DIGY
>
>
>
>
>
> -----Original Message-----
> From: Tim Haughton [mailto:[EMAIL PROTECTED]
> Sent: Saturday, July 12, 2008 12:53 PM
> To: lucene-net-user@incubator.apache.org
> Subject: Failing to index
>
>
>
> Noob question, I think I'm fundamentally failing to grok something here.
>
> Trying to write a small document management tool, but the indexing isn't
>
> playing ball. I'm reading the Manning Lucene book, and I'm not sure if
>
> something's being lost in translation. In the app, the class that
> represents
>
> a document has 3 properties that we're interesting in, all strings:
>
>
>
> Content (full text content)
>
> DocumentID (Unique ID string)
>
> Folder (the ID of the folder it sits in)
>
>
>
> But I can't get it to work. Here's an example app showing my problem:
>
>
>
> static void Main(string[] args)
>
> {
>
> DoStuff();
>
> }
>
>
>
> private static void DoStuff()
>
> {
>
> Random r = new Random();
>
>
>
> if (!Directory.Exists("C:\\MyLuceneTest"))
>
> {
>
> Console.WriteLine("Creating Lucene index directory.");
>
> }
>
>
>
> FileInfo indexFolder = new FileInfo("C:\\MyLuceneTest");
>
> IndexWriter writer = new IndexWriter(indexFolder, new
>
> StandardAnalyzer(), true);
>
> writer.SetUseCompoundFile(true);
>
>
>
> Document doc = new Document();
>
>
>
> doc.Add(new Field("content", r.Next().ToString(),
> Field.Store.NO,
>
> Field.Index.TOKENIZED));
>
> doc.Add(new Field("documentID", r.Next().ToString() ,
>
> Lucene.Net.Documents.Field.Store.YES, Field.Index.NO));
>
> doc.Add(new Field("folder", "Inbox",
>
> Lucene.Net.Documents.Field.Store.YES, Field.Index.TOKENIZED));
>
>
>
> Document doc2 = new Document();
>
> doc2.Add(new Field("content", r.Next().ToString(),
>
> Field.Store.YES, Field.Index.TOKENIZED));
>
> doc2.Add(new Field("documentID", r.Next().ToString(),
>
> Lucene.Net.Documents.Field.Store.YES, Field.Index.NO));
>
> doc2.Add(new Field("folder", "Inbox",
>
> Lucene.Net.Documents.Field.Store.YES, Field.Index.TOKENIZED));
>
>
>
> writer.AddDocument(doc);
>
> writer.AddDocument(doc2);
>
> writer.Optimize();
>
> writer.Close();
>
>
>
> Console.WriteLine("Added document to index...let's try and find
>
> it.");
>
>
>
> IndexSearcher searcher = new IndexSearcher("C:\\MyLuceneTest");
>
> Term t = new Term("folder", "Inbox");
>
>
>
> Console.WriteLine("Searching for a document with the 'folder'
>
> field set to 'Inbox'");
>
>
>
> Query query = new TermQuery(t);
>
> Hits hits = searcher.Search(query);
>
> searcher.Close();
>
>
>
> Console.WriteLine("Number of hits: " +
>
> hits.Length().ToString());
>
> }
>
>
>
> This produces zero hits.
>
>
>
> If I change the folder field to UNTOKENIZED, I get 2 hits. But if I run the
>
> app again, I still get 2 hits. Shouldn't I be getting 4, then 6?
>
> Fundamentally missing part of the puzzle.
>
>
>
>
>
> Tim
>
>
