Thank you very much. Now I understand what was the idea. It is better than changing Solr. But does performance remain same in this situation?
On Tue, Jul 8, 2014 at 10:43 PM, Chris Hostetter <hossman_luc...@fucit.org> wrote: > > I think you are missunderstanding what Himanshu is suggesting to you. > > You don't need to make lots of big changes ot the internals of solr's code > to get what you want -- instead you can leverage the Atomic Updates & > Optimistic Concurrency features of Solr to get the existing internal Solr > to reject any attempts to add a duplicate documentunless the client code > sending the document specifies it should be an "update". > > This means your client code needs to be a bit more sophisticated, but the > benefit is that you don't have to try to make complex changes to the > internals of Solr that may be impossible and/or difficult to > support/upgrade later. > > More details... > > > https://cwiki.apache.org/confluence/display/solr/Updating+Parts+of+Documents#UpdatingPartsofDocuments-OptimisticConcurrency > > Simplest possible idea based on the basic info you have given so far... > > 1) send every doc using _version_=-1 > 2a) if doc update fails with error 409, that means a version of this doc > already exists > 2b) resend just the field changes (using "set" atomic > operation) and specify _version_=1 > > > > : Dear Himanshu, > : Hi, > : You misunderstood what I meant. I am not going to update some field. I am > : going to change what Solr do on duplication of uniquekey field. I dont > want > : to solr overwrite Whole document I just want to overwrite some parts of > : document. This situation does not come from user side this is what solr > do > : to documents with duplicated uniquekey. > : Regards. > : > : > : On Tue, Jul 8, 2014 at 12:29 PM, Himanshu Mehrotra < > : himanshu.mehro...@snapdeal.com> wrote: > : > : > Please look at https://wiki.apache.org/solr/Atomic_Updates > : > > : > This does what you want just update relevant fields. > : > > : > Thanks, > : > Himanshu > : > > : > > : > On Tue, Jul 8, 2014 at 1:09 PM, Ali Nazemian <alinazem...@gmail.com> > : > wrote: > : > > : > > Dears, > : > > Hi, > : > > According to my requirement I need to change the default behavior of > Solr > : > > for overwriting the whole document on unique-key duplication. I am > going > : > to > : > > change that the overwrite just part of document (some fields) and > other > : > > parts of document (other fields) remain unchanged. First of all I > need to > : > > know such changing in Solr behavior is possible? Second, I really > : > > appreciate if you can guide me through what class/classes should I > : > consider > : > > for changing that? > : > > Best regards. > : > > > : > > -- > : > > A.Nazemian > : > > > : > > : > : > : > : -- > : A.Nazemian > : > > -Hoss > http://www.lucidworks.com/ > -- A.Nazemian
