    # File lib/active_record/connection_adapters/oracle_adapter.rb, line 639
        def reset!
          logoff rescue nil
          begin
            @connection = @factory.new_connection @username, @password, @database, @async, @prefetch_rows, @cursor_sharing
            __setobj__ @connection
            @active = true
          rescue
            @active = false
            raise
          end
        end