    # File lib/active_record/connection_adapters/oracle_adapter.rb, line 594
        def initialize(config, factory = OracleConnectionFactory.new)
          @active = true
          @username, @password, @database = config[:username], config[:password], config[:database]
          @factory = factory
          @connection  = @factory.new_connection @username, @password, @database
          super @connection
        end