griddynamics blog is useful. It has 4 parts which covers block join quite well ..
http://blog.griddynamics.com/2012/08/block-join-query-performs.html http://blog.griddynamics.com/2013/09/solr-block-join-support.html http://blog.griddynamics.com/2013/12/grandchildren-and-siblings-with-block.html http://blog.griddynamics.com/2014/01/segmented-filter-cache-in-solr.html The github repo is https://gist.github.com/mkhludnev On 6 August 2014 19:05, Ali Nazemian <alinazem...@gmail.com> wrote: > Dear Alexandre, > Hi, > Thank you very much. I think nested document is what I need. Do you have > more information about how can I define such thing in solr schema? Your > mentioned blog post was all about retrieving nested docs. > Best regards. > > > On Wed, Aug 6, 2014 at 5:16 PM, Alexandre Rafalovitch <arafa...@gmail.com> > wrote: > > > You can index comments as child records. The structure of the Solr > > document should be able to incorporate both parents and children > > fields and you need to index them all together. Then, just search for > > JOIN syntax for nested documents. Also, latest Solr (4.9) has some > > extra functionality that allows you to find all parent pages and then > > expand children pages to match. > > > > E.g.: http://heliosearch.org/expand-block-join/ seems relevant > > > > Regards, > > Alex. > > Personal: http://www.outerthoughts.com/ and @arafalov > > Solr resources and newsletter: http://www.solr-start.com/ and @solrstart > > Solr popularizers community: https://www.linkedin.com/groups?gid=6713853 > > > > > > On Wed, Aug 6, 2014 at 11:18 AM, Ali Nazemian <alinazem...@gmail.com> > > wrote: > > > Dear Gora, > > > I think you misunderstood my problem. Actually I used nutch for > crawling > > > websites and my problem is in index side and not crawl side. Suppose > page > > > is fetch and parsed by Nutch and all comments and the date and source > of > > > comments are identified by parsing. Now what can I do for indexing > these > > > comments? What is the document granularity? > > > Best regards. > > > > > > > > > On Wed, Aug 6, 2014 at 1:29 PM, Gora Mohanty <g...@mimirtech.com> > wrote: > > > > > >> On 6 August 2014 14:13, Ali Nazemian <alinazem...@gmail.com> wrote: > > >> > > > >> > Dear all, > > >> > Hi, > > >> > I was wondering how can I mange to index comments in solr? suppose I > > am > > >> > going to index a web page that has a content of news and some > comments > > >> that > > >> > are presented by people at the end of this page. How can I index > these > > >> > comments in solr? consider the fact that I am going to do some > > analysis > > >> on > > >> > these comments. For example I want to have such query flexibility > for > > >> > retrieving all comments that are presented between 24 June 2014 to > 24 > > >> July > > >> > 2014! or all the comments that are presented by specific person. > > >> Therefore > > >> > defining these comment as multi-value field would not be the > solution > > >> since > > >> > in this case such query flexibility is not feasible. So what is you > > >> > suggestion about document granularity in this case? Can I consider > > all of > > >> > these comments as a new document inside main document (tree based > > >> > structure). What is your suggestion for this case? I think it is a > > common > > >> > case of indexing webpages these days so probably I am not the only > one > > >> > thinking about this situation. Please share you though and perhaps > > your > > >> > experiences in this condition with me. Thank you very much. > > >> > > >> Parsing a web page, and breaking up parts up for indexing into > different > > >> fields > > >> is out of the scope of Solr. You might want to look at Apache Nutch > > which > > >> can index into Solr, and/or other web crawlers/scrapers. > > >> > > >> Regards, > > >> Gora > > >> > > > > > > > > > > > > -- > > > A.Nazemian > > > > > > -- > A.Nazemian > -- Thanks & Regards Umesh Prasad Search l...@flipkart.com in.linkedin.com/pub/umesh-prasad/6/5bb/580/
