_quote

# File activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb, line 86
          def _quote(value)
            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 Float
              if value.infinite? || value.nan?
                "'#{value}'"
              else
                super
              end
            when OID::Array::Data
              _quote(encode_array(value))
            when Range
              _quote(encode_range(value))
            else
              super
            end
          end