Re: getAllReferencingObjects(Object object) request

2007-06-18 Thread Christiaan des Bouvrie
Hi David and Matthew, Thanks for the response. Regarding the design issues, I agree that it is a Java problem. In jdo this problem becomes more evident. If I want to delete an object in java, I need to set all references to null. In JDO I need to set all references to null and actually delete

Delete by query

2007-07-19 Thread Christiaan des Bouvrie
Hi, I have a question regarding delete by query. In the JDO 2.0 spec 14.8 it says: ...These methods delete the instances of affected classes that pass the filter, and all dependent instances To me it is not really clear what should be done in case such instance contains a List attribute.

Re: Delete by query

2007-07-31 Thread Christiaan des Bouvrie
Hi David, thanks for the reply! That would make sense to me as well. I indeed want the entries in the PAGE table to remain there. I also thought there should be no need in the .orm file to specify anything specific (like a cascade delete) in order to have the corresponding entries in BOOK_PAGE