# File lib/dbd_pg/Pg.rb, line 582
        def __encode_bytea(str)
          # TODO: use quote function of Pg driver
          a = str.split(/\\/, -1).collect! {|s|
            s.gsub!(/'/,    "\\\\047")  # '  => \\047 
            s.gsub!(/\000/, "\\\\000")  # \0 => \\000  
            s
          }
          a.join("\\\\")                # \  => \\
        end