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)
        Function array (children 1)
         ExpressionList (children 2)
          Function toFloat32 (children 1)
           ExpressionList (children 1)
            Literal UInt64_1
          Literal 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)
        Function array (children 1)
         ExpressionList (children 2)
          Function toFloat32 (children 1)
           ExpressionList (children 1)
            Literal UInt64_1
          Literal UInt64_2
        Literal Array_[Float64_2.2, UInt64_1]
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier res
