SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function plus (alias expr) (children 1)
     ExpressionList (children 2)
      Function plus (children 1)
       ExpressionList (children 2)
        Function toIntervalSecond (children 1)
         ExpressionList (children 1)
          Literal UInt64_1
        Function toIntervalSecond (children 1)
         ExpressionList (children 1)
          Literal UInt64_1
      Function toIntervalSecond (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
   ExpressionList (children 2)
    Identifier expr
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier expr