SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Function array (children 1)
       ExpressionList (children 3)
        Function toTime (children 1)
         ExpressionList (children 1)
          Literal \'00:00:00\'
        Literal NULL
        Function toTime64 (children 1)
         ExpressionList (children 2)
          Literal \'00:00:00\'
          Literal UInt64_6
