That's my understanding. For example, if your objects have collections, when you add a new object to the collection its id isn't set, then after you persist the outer object the new object is persisted and its id is set.
jopaki wrote:
Using GAE/J JDO, must one implement equals/hashCode based on non- primary key properties for entities designed to co-exist in a collection in the same manner as Hibernate ORM requires? Ref: https://www.hibernate.org/109.html
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