each_local_configuration

# File activerecord/lib/active_record/tasks/database_tasks.rb, line 553
        def each_local_configuration
          configs_for.each do |db_config|
            next unless db_config.database

            if local_database?(db_config)
              yield db_config
            else
              $stderr.puts "This task only modifies local databases. #{db_config.database} is on a remote host."
            end
          end
        end