# File lib/backup/database/postgresql.rb, line 60
      def perform!
        super

        dump_ext = 'sql'
        dump_cmd = "#{ pgdump }"

        if @model.compressor
          @model.compressor.compress_with do |command, ext|
            dump_cmd << " | #{command}"
            dump_ext << ext
          end
        end

        dump_cmd << " > '#{ File.join(@dump_path, name) }.#{ dump_ext }'"
        run(dump_cmd)
      end