_create_record

# File activerecord/lib/active_record/persistence.rb, line 1247
    def _create_record(attribute_names = self.attribute_names)
      attribute_names = attributes_for_create(attribute_names)

      returning_columns = self.class._returning_columns_for_insert

      returning_values = self.class._insert_record(
        attributes_with_values(attribute_names),
        returning_columns
      )

      returning_columns.zip(returning_values).each do |column, value|
        _write_attribute(column, value) if !_read_attribute(column)
      end if returning_values

      @new_record = false
      @previously_new_record = true

      yield(self) if block_given?

      id
    end