SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function toDaysSinceYearZero (children 1)
     ExpressionList (children 1)
      Function toDateTime64 (children 1)
       ExpressionList (children 2)
        Literal \'2023-09-08 11:11:11.123123123\'
        Literal UInt64_9