I'm sorry, yes, it works simply by depending on RDMBS' duplicate check feature. when you merge some "already there" data but with different PK, it will complain and throws exception.
---- salam hangat, Thomas Wiradikusuma http://wiradikusuma.blogspot.com/2008/11/congratulations-america.html On Nov 10, 2008, at 11:26 AM, Joshua Partogi wrote: > Doesn't work. It still won't throw EntityExistsException.
