SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function hex (children 1)
     ExpressionList (children 1)
      Function UUIDStringToNum (children 1)
       ExpressionList (children 1)
        Literal \'01234567-89ab-cdef-0123-456789abcdef\'