# File lib/rubyrep/connection_extenders/connection_extenders.rb, line 110
    def self.install_logger(db_connection, config)
      if config[:logger]
        if config[:logger].respond_to?(:debug)
          logger = config[:logger]
        else
          logger = ActiveSupport::BufferedLogger.new(config[:logger])
        end
        db_connection.instance_variable_set :@logger, logger
        if ActiveSupport.const_defined?(:Notifications)
          connection_object_id = db_connection.object_id
          db_connection.log_subscriber = ActiveSupport::Notifications.subscribe("sql.active_record") do |name, start, finish, id, payload|
            if payload[:connection_id] == connection_object_id and logger.debug?
              logger.debug payload[:sql].squeeze(" ")
            end
          end
        end
      end
    end