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method

mutations_from_database

Importance_0
Ruby on Rails latest stable (v5.2.3) - 0 notes - Class: ActiveModel::Dirty
mutations_from_database() private

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# File activemodel/lib/active_model/dirty.rb, line 260
      def mutations_from_database
        unless defined?(@mutations_from_database)
          @mutations_from_database = nil
        end
        @mutations_from_database ||= if defined?(@attributes)
          ActiveModel::AttributeMutationTracker.new(@attributes)
        else
          NullMutationTracker.instance
        end
      end
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