search for: term_doc

...In SQL I would do this via a Group By clause. Is there anything in Ferret that will do something similar? I found this discussion that proposed a solution involving TermEnums: http://www.gossamer-threads.com/lists/lucene/java-user/32272#32272 But I noticed the IndexReader.terms and IndexReader.term_docs are not implemented. Is that solution the way to go? Would an index-only solution perform a lot faster than a pure database solution using a group by clause? Any feedback is appreciated. Tom

I''m building my first Filter and I''m running into an issue with Ferret::Index::IndexReader#term_docs. As I understand it, index_reader.term_docs should return a term-document enumerator for the entire index: index_reader.term_docs => empty set However, I''m getting an empty set. Interestingly enough, the following: index_reader.term_docs_for(:name, ''coffee'') =>...

Hi i''m using ferret to enable geographical postcode. I take a postcode and distance in miles from the user, strip off the outcode and then retrieve the associated x y coordinates in metres from the db. Then i get two temp x''s and y''s and search for all results that are within the box, see code below. Problems start to occur when i search on big distances so for