method

calculate

v6.1.7.7 - Show latest stable - 0 notes - Class: NullRelation

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calculate(operation, _column_name) public

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# File activerecord/lib/active_record/null_relation.rb, line 45
    def calculate(operation, _column_name)
      case operation
      when :count, :sum
        group_values.any? ? Hash.new : 0
      when :average, :minimum, :maximum
        group_values.any? ? Hash.new : nil
      end
    end

calculate

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