_insert_record

# File activerecord/lib/active_record/persistence.rb, line 355
      def _insert_record(values) # :nodoc:
        primary_key = self.primary_key
        primary_key_value = nil

        if primary_key && Hash === values
          primary_key_value = values[primary_key]

          if !primary_key_value && prefetch_primary_key?
            primary_key_value = next_sequence_value
            values[primary_key] = primary_key_value
          end
        end

        if values.empty?
          im = arel_table.compile_insert(connection.empty_insert_statement_value(primary_key))
          im.into arel_table
        else
          im = arel_table.compile_insert(_substitute_values(values))
        end

        connection.insert(im, "#{self} Create", primary_key || false, primary_key_value)
      end