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 2)
        Literal NULL
        Function toTime64 (children 1)
         ExpressionList (children 2)
          Literal \'00:00:00\'
          Literal UInt64_6
