SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier ipv6_
    Function hex (children 1)
     ExpressionList (children 1)
      Identifier ipv6_
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier ipv6_test
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier ipv6_