# File lib/active_record/attribute_methods/primary_key.rb, line 28 def define_method_attribute(attr_name) super if attr_name == primary_key && attr_name != 'id' generated_attribute_methods.send(:alias_method, :id, primary_key) generated_external_attribute_methods.module_eval "def id(v, attributes, attributes_cache, attr_name)\nattr_name = '\#{primary_key}'\nsend(attr_name, attributes[attr_name], attributes, attributes_cache, attr_name)\nend\n", __FILE__, __LINE__ end end