Thanks, guys. It helps a lot! W.
On Mon, Nov 9, 2009 at 11:35 PM, Anshum <ansh...@gmail.com> wrote: > Hi Wenhao, > Its generally better to incrementally buld your index and at the same > tiime. > Considering by this time you'd be a little aware of implementing/using > luceneAPI, here is what you could do. > Open the existing index using 'createnew' set to false > > *IndexWriter(Directory d, Analyzer a, boolean create) * > *This way, the indexwriter would append the new documents to the existing > index (as specified in the IndexWriter constructor).* > * > * > *This way you could incrementally build the index.* > *Also note, you may wish to optimize the index at times.* > * > * > *Hope this solves your issue (and doubt).* > * > *-- > Anshum Gupta > Naukri Labs! > http://ai-cafe.blogspot.com > > The facts expressed here belong to everybody, the opinions to me. The > distinction is yours to draw............ > > > On Tue, Nov 10, 2009 at 12:09 PM, Wenhao Xu <xuwenhao2...@gmail.com> > wrote: > > > Hi, everybody, > > I am new to Lucene and have a question about how to update my index. > The > > following is my situation: > > 1) I create indexes for each text (or varchar) field of a relational > > database; > > 2) This database will be continuously inserted into by new records; and > I > > need to add indexes of these new records to the index; > > So therefore, I just need to incrementally update my index. Should I > > delete the original index an rebuild a new one? Or just update the new > one? > > Which method is better for my situation? > > > > I searched google, but I did not get a good answer. So I posted the > > question here. Looking forward to your reply. > > > > Thanks, > > W. > > > > > > > > -- > > ~_~ > > > -- ~_~
