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