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method

validate_reflection!

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v7.1.3.2 - Show latest stable - 0 notes - Class: ActiveRecord::Reflection::MacroReflection
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validate_reflection!() private

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# File activerecord/lib/active_record/reflection.rb, line 438
        def validate_reflection!
          return unless options[:foreign_key].is_a?(Array)

          message = <<~MSG.squish
            Passing #{options[:foreign_key]} array to :foreign_key option
            on the #{active_record}##{name} association is not supported.
            Use the query_constraints: #{options[:foreign_key]} option instead to represent a composite foreign key.
          MSG
          raise ArgumentError, message
        end
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