SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Literal \'255.255.255.255 is ipv6 string:                         \'
    Function isIPv6String (children 1)
     ExpressionList (children 1)
      Literal \'255.255.255.255\'