On Thu, Jan 22, 2009 at 7:12 AM, Chris Hostetter <hossman_luc...@fucit.org>wrote:
> > : what i need is ,to log the existing urlid and new urlid(of course both > will > : not be same) ,when a .xml file of same id(unique field) is posted. > : > : I want to make this by modifying the solr source.Which file do i need to > : modify so that i could get the above details in log ? > : > : I tried with DirectUpdateHandler2.java(which removes the duplicate > : entries),but efforts in vein. > > DirectUpdateHandler2.java (on the trunk) delegates to Lucene-Java's > IndexWriter.updateDocument method when you have a uniqueKey and you aren't > allowing duplicates -- this method doesn't give you any way to access the > old document(s) that had that existing key. > > The easiest way to make a change like what you are interested in might be > an UpdateProcessor that does a lookup/search for the uniqueKey of each > document about to be added to see if it already exists. that's probably > about as efficient as you can get, and would be nicely encapsulated. > > You might also want to take a look at SOLR-799, where some work is being > done to create UpdateProcessors that can do "near duplicate" detection... > > http://wiki.apache.org/solr/Deduplication > https://issues.apache.org/jira/browse/SOLR-799 > > > > > > > -Hoss > Thank you for your response.I will try it out. -- Yours, S.Selvam
