search for: topics_id

...:group => "topics.id", :order => "count_all DESC" Returns an array of arrays, each array containing a topic id and count, like: [[302, 12], [110, 7]] That''s because the SQL generated by my command above looks like: SELECT count(*) AS count_all, topics.id AS topics_id FROM topics INNER JOIN postings ON topics.id = postings.topic_id WHERE (user_id = 1) GROUP BY topics.id ORDER BY count_all DESC This isn''t that useful, since I''ll need to go back and requery by topic id to get the topic object. What I want is a result like this: [[#<Topic:...