> external fields was one of the options, but I was not 100% > sure if it would > fit. > I will study more about this option.
I was wondering if Lucene's ToChildBlockJoinQuery and/or ToParentBlockJoinQuery can be replacement for ExternalFileField. http://www.searchworkings.org/blog/-/blogs/tochildblockjoinquery-in-lucene Also what are the similarities and differences from solr's join QueryParser http://wiki.apache.org/solr/Join