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method

init_changed_attributes

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Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: Core
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Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v4.0.2) is shown here.

init_changed_attributes() private

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# File activerecord/lib/active_record/core.rb, line 448
    def init_changed_attributes
      # Intentionally avoid using #column_defaults since overridden defaults (as is done in
      # optimistic locking) won't get written unless they get marked as changed
      self.class.columns.each do |c|
        attr, orig_value = c.name, c.default
        @changed_attributes[attr] = orig_value if _field_changed?(attr, orig_value, @attributes[attr])
      end
    end
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