(Expression)
ExpressionTransform
  (Join)
  JoiningTransform 2 → 1
    (Expression)
    ExpressionTransform
      (Limit)
      Limit
        (ReadFromStorage)
        Numbers 0 → 1
    (Expression)
    FillingRightJoinSide
      ExpressionTransform
        (Limit)
        Limit
          (ReadFromStorage)
          Numbers 0 → 1