method

alias_attribute

v7.2.3 - Show latest stable - Class: ActiveRecord::AttributeMethods::ClassMethods

alias_attribute(new_name, old_name)

public

Allows you to make aliases for attributes.

class Person < ActiveRecord::Base
  alias_attribute :nickname, :name
end

person = Person.create(name: 'Bob')
person.name     # => "Bob"
person.nickname # => "Bob"

The alias can also be used for querying:

Person.where(nickname: "Bob")
# SELECT "people".* FROM "people" WHERE "people"."name" = "Bob"

# File activerecord/lib/active_record/attribute_methods.rb, line 66
      def alias_attribute(new_name, old_name)
        super

        if @alias_attributes_mass_generated
          ActiveSupport::CodeGenerator.batch(generated_attribute_methods, __FILE__, __LINE__) do |code_generator|
            generate_alias_attribute_methods(code_generator, new_name, old_name)
          end
        end
      end

alias_attribute

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