Dear Susheel, Hi, I did check the jira issue that you mentioned but it seems its target is Solr 6! Am I correct? The patch failed for Solr 5.3 due to class not found. For Solr 5.x should I try to implement something similar myself?
Sincerely yours. On Wed, Oct 7, 2015 at 7:15 PM, Susheel Kumar <susheel2...@gmail.com> wrote: > You may want to take a look at new Solr feature of Streaming API & > Expressions > https://issues.apache.org/jira/browse/SOLR-7584?filter=12333278 > for making joins between collections. > > On Wed, Oct 7, 2015 at 9:42 AM, Ryan Josal <r...@josal.com> wrote: > > > I developed a join transformer plugin that did that (although it didn't > > flatten the results like that). The one thing that was painful about it > is > > that the TextResponseWriter has references to both the IndexSchema and > > SolrReturnFields objects for the primary core. So when you add a > > SolrDocument from another core it returned the wrong fields. I worked > > around that by transforming the SolrDocument to a NamedList. Then when > it > > gets to processing the IndexableFields it uses the wrong IndexSchema, I > > worked around that by transforming each field to a hard Java object > > (through the IndexSchema and FieldType of the correct core). I think it > > would be great to patch TextResponseWriter with multi core writing > > abilities, but there is one question, how can it tell which core a > > SolrDocument or IndexableField is from? Seems we'd have to add an > > attribute for that. > > > > The other possibly simpler thing to do is execute the join at index time > > with an update processor. > > > > Ryan > > > > On Tuesday, October 6, 2015, Mikhail Khludnev < > mkhlud...@griddynamics.com> > > wrote: > > > > > On Wed, Oct 7, 2015 at 7:05 AM, Ali Nazemian <alinazem...@gmail.com > > > <javascript:;>> wrote: > > > > > > > it > > > > seems there is not any way to do that right now and it should be > > > developed > > > > somehow. Am I right? > > > > > > > > > > yep > > > > > > > > > -- > > > Sincerely yours > > > Mikhail Khludnev > > > Principal Engineer, > > > Grid Dynamics > > > > > > <http://www.griddynamics.com> > > > <mkhlud...@griddynamics.com <javascript:;>> > > > > > > -- A.Nazemian
