[appengine-java] Re: Fwd: entity update question

2010-10-14 Thread MatthewAdams
Incorrect, Vik. You do not need to call pm.makePersistent(e) in order to save changes made to an already persistent object. You use makePersistent(..) to cause new instances to become persistent, to merge detached instance state into the persistence context, or to attach detached instances into

[appengine-java] Re: Fwd: entity update question

2010-10-14 Thread MatthewAdams
...which, by the way, can be found for JDO 3.0 at http://jcp.org/aboutJava/communityprocess/mrel/jsr243/index3.html The section in question here is 12.6.7, p.124, Make instances persistent. --matthew On Oct 14, 8:34 am, MatthewAdams matthewadam...@gmail.com wrote: I highly recommend a read of