DVG/my_active_record_class.rb

Last active December 17, 2015 09:19

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Conditional alias attribute for changing a column name if the migrations haven't been run yet. Useful if your code deploy can possibly happen before you rmigration

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my_active_record_class.rb

	unless self.column_names.include? "new_name"
	alias_attribute :new_name, :old_name
	end

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