SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Literal \'192.168.0.91 is ipv6 string:                            \'
    Function isIPv6String (children 1)
     ExpressionList (children 1)
      Literal \'192.168.0.91\'
