Method: ActiveRecord::Base.alias_attribute_with_memory

Defined in:
lib/common_lib/active_record/base.rb

.alias_attribute_with_memory(new_name, old_name) ⇒ Object

cattr_accessor here would create a class variable for ActiveRecord::Base What I want is the subclass to have one so just wait until its used the first time and create the class variable them cattr_accessor :aliased_attributes



139
140
141
142
143
144
145
146
 
# File 'lib/common_lib/active_record/base.rb', line 139

def self.alias_attribute_with_memory(new_name, old_name)
  unless self.class_variable_defined? '@@aliased_attributes'
    cattr_accessor :aliased_attributes
    self.aliased_attributes = {}.with_indifferent_access
  end
  self.aliased_attributes[new_name] = old_name
  alias_attribute_without_memory(new_name, old_name)
end