Yuchen, Make sure the fields you are trying to read are stored (stored="true" in schema.xml)
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Yuchen Wang <yuc...@trulia.com> > To: solr-user@lucene.apache.org > Sent: Sunday, July 5, 2009 12:43:50 AM > Subject: Problem in parsing non-string dynamic field by using IndexReader > > I have a task to parse all documents in a solr index. I use Lucene > IndexReader to read the index and go through each field from all documents. > However, for float or int dynamic fields, the stringValue() call always > returns some special characters. I tried tokenStreamValue, byteValue, > readerValue, and they return null. > Following is my method to parse the solr index. My question is, how can I > get the values from non-string dynamic fields properly? > > public static void main(String[] args) throws Exception { > IndexReader reader = > IndexReader.open("/path/to/my/index/directory"); > > int total = reader.numDocs(); > System.out.println("Total documents: " + total); > > for (int i = 0; i < 1; i++) { > Document d = reader.document(i); > > Listfields = d.getFields(); > > for (Field f : fields) { > String name = f.name(); > String val = f.stringValue(); > > System.out.println("get field / value: [" + name + "=" + val > + "]"); } > } > > reader.close(); > }
