On Thu, Jan 22, 2009 at 2:33 PM, S.Selvam Siva <s.selvams...@gmail.com>wrote:
> > > 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 >> > > Hi, i added some code to *DirectUpdateHandler2.java's doDeletions()* (solr 1.2.0) ,and got the solution i wanted.(logging duplicate post entry-i.e old field and new field of duplicate post) Document d1=searcher.doc(prev); //existing doc to be deleted Document d2=searcher.doc(tdocs.doc()); //new doc String oldname=d1.get("name"); String id1=d1.get("id"); String newname=d2.get("name"); String id2=d1.get("id"); out3.write(id1+","+oldname+","+newname+"\n"); But i dont know ,wether the performance of solr will be affected by this. Any comment on the performance issue for the above solution is welcome... -- Yours, S.Selvam
