# File lib/dbd_pg/Pg.rb, line 761
        def as_bytea(str)
          # TODO: Use quote function of Pg driver
          a = str.split(/\\\\/, -1).collect! {|s|
            s.gsub!(/\\[0-7][0-7][0-7]/) {|o| o[1..-1].oct.chr}  #  \### => chr(###)
            s
          }
          a.join("\\")  # \\ =>          end

      end