No you cannot anything outside specific document being indexed at that point.
What are you actually trying to achieve on the business level? Regards, Alex. ---- Sign up for my Solr resources newsletter at http://www.solr-start.com/ On 11 January 2015 at 14:59, Ali Nazemian <alinazem...@gmail.com> wrote: > Dear Alexandre, > > I did not tried updaterequestprocessor yet. Can I access to term > frequencies at this level? I dont want to calculate term frequencies once > more while lucene already calculate them in reverse index? > Thank you very much. > On Jan 11, 2015 7:49 PM, "Alexandre Rafalovitch" <arafa...@gmail.com> > wrote: > >> Your description uses the terms Solr/Lucene uses but perhaps not in >> the same way we do. That might explain the confusion. >> >> It sounds - on a high level - that you want to create a field based on >> a combination of a couple of other fields during indexing stage. Have >> you tried UpdateRequestProcessors? They have access to the full >> document when it is sent and can do whatever they want with it. >> >> Regards, >> Alex. >> ---- >> Sign up for my Solr resources newsletter at http://www.solr-start.com/ >> >> >> On 11 January 2015 at 10:55, Ali Nazemian <alinazem...@gmail.com> wrote: >> > Dear Jack, >> > Hi, >> > I think you misunderstood my need. I dont want to change the default >> > scoring behavior of Lucene (tf-idf) I just want to have another field to >> do >> > sorting for some specific queries (not all the search business), however >> I >> > am aware of Lucene payload. >> > Thank you very much. >> > >> > On Sun, Jan 11, 2015 at 7:15 PM, Jack Krupansky < >> jack.krupan...@gmail.com> >> > wrote: >> > >> >> You would do that with a custom similarity (scoring) class. That's an >> >> expert feature. In fact a SUPER-expert feature. >> >> >> >> Start by completely familiarizing yourself with how TF*IDF similarity >> >> already works: >> >> >> >> >> http://lucene.apache.org/core/4_10_3/core/org/apache/lucene/search/similarities/TFIDFSimilarity.html >> >> >> >> And to use your custom similarity class in Solr: >> >> >> >> >> https://cwiki.apache.org/confluence/display/solr/Other+Schema+Elements#OtherSchemaElements-Similarity >> >> >> >> >> >> -- Jack Krupansky >> >> >> >> On Sun, Jan 11, 2015 at 9:04 AM, Ali Nazemian <alinazem...@gmail.com> >> >> wrote: >> >> >> >> > Hi everybody, >> >> > >> >> > I am going to add some analysis to Solr at the index time. Here is >> what I >> >> > am considering in my mind: >> >> > Suppose I have two different fields for Solr schema, field "a" and >> field >> >> > "b". I am going to use the created reverse index in a way that some >> terms >> >> > are considered as important ones and tell lucene to calculate a value >> >> based >> >> > on these terms frequency per each document. For example let the word >> >> > "hello" considered as important word with the weight of "2.0". Suppose >> >> the >> >> > term frequency for this word at field "a" is 3 and at field "b" is 6 >> for >> >> > document 1. Therefor the score value would be 2*3+(2*6)^2. I want to >> >> > calculate this score based on these fields and put it in the index for >> >> > retrieving. My question would be how can I do such thing? First I did >> >> > consider using term component for calculating this value from outside >> and >> >> > put it back to Solr index, but it seems it is not efficient enough. >> >> > >> >> > Thank you very much. >> >> > Best regards. >> >> > >> >> > -- >> >> > A.Nazemian >> >> > >> >> >> > >> > >> > >> > -- >> > A.Nazemian >>
