# File lib/active_record/attribute_methods/read.rb, line 75 def read_attribute(attr_name) attr_name = attr_name.to_s attr_name = self.class.primary_key if attr_name == 'id' value = @attributes[attr_name] unless value.nil? if column = column_for_attribute(attr_name) if unserializable_attribute?(attr_name, column) unserialize_attribute(attr_name) else column.type_cast(value) end else value end else nil end end