If you do this will the old version of the document be replaced by the new one?
-don > -----Original Message----- > From: MOYSE Gilles (Cetelem) [mailto:[EMAIL PROTECTED] > Sent: Wednesday, November 19, 2003 6:57 AM > To: 'Lucene Users List' > Subject: RE: Document ID's and duplicates > > > Hi. > > You just have to add a field in your document object before > adding it to the > index. > The field should be of "keyword" type. You can use a code of > that kind : > > IndexWriter writer = new IndexWriter("path_to_your_index", > your_analyzer_object); > > Document doc = new Document(); > doc.add(Field.keyword("id"), (String)pkey); // add an "id" field > containig the "pkey" value (received from the db for instance) > // you can add other fields here > > writer.addDocument(doc). > writer.optimize(); > writer.close(); > > Gilles. > -----Message d'origine----- > De : jt oob [mailto:[EMAIL PROTECTED] > Envoy� : mercredi 19 novembre 2003 15:43 > � : Lucene-Users-List > Objet : Document ID's and duplicates > > > Hi folks, > > I've got a feeling the answer to this has either been posted on here > recently, or is on the site somewhere - but i can't find it. Apologies > if i'm going over old ground. > > What is the best way force documents to be only indexed once? > > Is it a case of having a field with a unique value for the > document and > searching the index for that field before adding? > > If that is the way to do it, would it be a good idea to add an > additional field type which would take care of this behind the scenes? > Many people move to lucene after discovering the downfalls of text > searching in Databases (like me), and would love a "primary key" type > field. > > Regards, > jt > > ______________________________________________________________ > __________ > Want to chat instantly with your online friends? Get the FREE Yahoo! > Messenger http://mail.messenger.yahoo.co.uk > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
