cmoran92-activerecord-jdbc-adapter

https://github.com/jruby/activerecord-jdbc-adapter

activerecord-jdbc-adapter is a database adapter for Rails\' ActiveRecord component that can be used with JRuby[http://www.jruby.org/]. It allows use of virtually any JDBC-compliant database with your JRuby on Rails application. Includes patch by cmoran92 to eliminate duplicates when SELECTing DISTINCT with JOINS on MS SQL Server.