quote

# File activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb, line 19
        def quote(value) # :nodoc:
          case value
          when OID::Xml::Data
            "xml '#{quote_string(value.to_s)}'"
          when OID::Bit::Data
            if value.binary?
              "B'#{value}'"
            elsif value.hex?
              "X'#{value}'"
            end
          when Numeric
            if value.finite?
              super
            else
              "'#{value}'"
            end
          when OID::Array::Data
            quote(encode_array(value))
          when Range
            quote(encode_range(value))
          else
            super
          end
        end