The old entities will still be there. If your field types are objects (Long, Boolean, etc) they will return null. If they are base types (int, boolean) you will get an error.
On Mon, Oct 19, 2009 at 3:15 PM, Artem Kuroptev <[email protected]> wrote: > > I have a class with JDO annotations in it. There is a number of > entities of that class already in Data Store. I need to add a new > field to the class. Is it safe for the data to add a new field to JDO > class? Will my entities stay available with 'null' returned for the > new field or they will be erased? > > Thanks in advance. > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
