SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function mapAdd (alias res) (children 1)
     ExpressionList (children 2)
      Function tuple (children 1)
       ExpressionList (children 2)
        Literal Array_[UInt64_1, UInt64_2]
        Function array (children 1)
         ExpressionList (children 2)
          Function toFloat64 (children 1)
           ExpressionList (children 1)
            Literal Float64_1.1
          Literal UInt64_1
      Function tuple (children 1)
       ExpressionList (children 2)
        Literal Array_[UInt64_1, UInt64_2]
        Literal Array_[Float64_2.2, UInt64_1]
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier res
