You can check these links: http://wiki.apache.org/solr/Join
http://stackoverflow.com/questions/12665797/is-solr-4-0-capable-of-using-join-for-multiple-core Regards. On Wed, Nov 6, 2013 at 1:00 AM, Tech Id <tech.login....@gmail.com> wrote: > Hi Alvaro, > > Could you please point me to some link from where I can see how to index > two documents separately (joined by foreign keys). > Or if you can oblige by putting down some details here itself. > > *For example*, say if user has entities like : > car {id:5, color:red, year:2004, companyId:23, ownerId: 57}, > company {id:23, name: toyota, numEmployees:1000, established:1980}, > owner {id: 57, name: John, age: 50, profession: doctor, spouseId: 78, > carOwnedId: 5}, > owner {id: 78, name: Maria, age: 45, profession: doctor, spouseId: 57, > carOwnedId: 55} > etc. > 1) How can the above entities be put into Solr with their foreign keys? > 2) Do we need to flatten them absolutely? > 3) How are cyclic joins handled in flattening? > > Some good link on how a join query can be actually run would also be > appreciated. > (I have some links on the reading part, but a complete example would be > good). > > Thanks > > > > On Tue, Nov 5, 2013 at 10:53 AM, Alvaro Cabrerizo <topor...@gmail.com > >wrote: > > > In my case, everytime I've used joins, the FROM field was a multivalued > > string and the TO was an univalued string. > > > > Regards. > > El 05/11/2013 18:37, "Tech Id" <tech.login....@gmail.com> escribió: > > > > > I think Solr has the ability to do joins in the latest version as > > verified > > > on this issue: https://issues.apache.org/jira/browse/SOLR-3076 > > > > > > And some online resources point to this example: > > > > > > > > > http://blog.mikemccandless.com/2012/01/searching-relational-content-with.html > > > However, I am not sure if the above example is a complete one. > > > It leaves a lot for a fresh solr-user to guess about how to customize > the > > > schema and how to index two documents into Solr before doing a join. > > > > > > > > > > > > On Tue, Nov 5, 2013 at 9:31 AM, Tech Id <tech.login....@gmail.com> > > wrote: > > > > > > > Hi, > > > > > > > > I have been searching for an example of joins using solr/lucene. > > > > But I have not found anything either on the net or in the > src/examples. > > > > > > > > Can someone please point me to the same? > > > > Ideally, I need a join working with Solrj APIs (Please let me know if > > > this > > > > group is Lucene-specific). > > > > > > > > > > > > Best Regards > > > > > > > > > > > > > >
