SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function toDateTime64 (children 1)
     ExpressionList (children 3)
      Identifier x
      Literal UInt64_2
      Literal \'Asia/Istanbul\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function values (children 1)
       ExpressionList (children 5)
        Literal \'x Nullable(String)\'
        Literal \'2020-12-24 01:02:03\'
        Literal NULL
        Literal \'0000-00-00 00:00:00\'
        Literal \'\'