activerecord-ramaze-patch.rb

# patch to handle connection pooling outside of rails: http://www.williambharding.com/blog/rants/rails-22-connection-pools-mongrel-handlers-bloodbath/
# call ActiveRecord::Base.connection_handler.clear_connection! from your controller once you're done with ActiveRecord work
module ActiveRecord
  module ConnectionAdapters
    class ConnectionPool
      def release_connection(conn_id = nil)
        conn_id ||= current_connection_id
        conn = @reserved_connections.delete(conn_id)
        checkin conn if conn
      end
    end

    class ConnectionHandler
      def clear_connection!
        @connection_pools.each_value {|pool| pool.release_connection(Thread.current.object_id) }
      end
    end
  end
end