SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function CAST (alias v) (children 1)
     ExpressionList (children 2)
      Literal \'127.0.0.1\'
      Literal \'IPv4\'
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier v
