method

resolve_attributes

Importance_0
Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: ActiveRecord::Validations::UniquenessValidator
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resolve_attributes(record, attributes) private

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# File activerecord/lib/active_record/validations/uniqueness.rb, line 97
      def resolve_attributes(record, attributes)
        attributes.flat_map do |attribute|
          reflection = record.class._reflect_on_association(attribute)

          if reflection.nil?
            attribute.to_s
          elsif reflection.polymorphic?
            [reflection.foreign_key, reflection.foreign_type]
          else
            reflection.foreign_key
          end
        end
      end
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