SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Literal \'::ffff:127.0.0.1 is ipv6 string:                        \'
    Function isIPv6String (children 1)
     ExpressionList (children 1)
      Literal \'::ffff:127.0.0.1\'