SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayExcept (alias result) (children 1)
     ExpressionList (children 2)
      Literal Array_[UInt64_200, UInt64_404, UInt64_404, UInt64_500, UInt64_503]
      Literal Array_[UInt64_404, UInt64_500]
