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Deleting or changing a field of all the entities of some type is fairly easy, using the DELETE and UPDATE clauses, but I would like to know - is there an elegant and efficient way ... ;every entity object should do some operations before it gets deleted, and at some point we want

Hi, can you shed some light on why we cannot delete data from the attached DB file. A delete attempt with DB explorer results in the following exception: delete objects could happen

we have used "DELETE FROM Object" to delete the database. That did not work ... (FlushModeType.AUTO);   em.getTransaction().begin();   Query q = em.createQuery("DELETE FROM ... > I remember I had an issue several times with deleting many object at once. I didn't have time

heap snapshot. support Support The memory problem occurred during JDO deletion query ... -around, which is to divide up the deletion into smaller number of objects.  I understand that JPA bulk delete doesn't involve any object retrieval, whereas perhaps JDO deletion does.  Would using JPA for large

although the resulted entity have an attribute __odbtracker/m (type STA, value=Persistent-Deleted-Flushed) which shows that the entity is deleted and flushed. The bug was introduced with ObjectDB Version 2.7 ... regards BTC btc_es BTC EmbeddedSystems If an entity was deleted from the database

have inserted. I'm currently evaluating your product. So i insert and delete a lot of data. I also tried ... and it is the application responsibility to avoid deletion from the database of objects ... are there because i deleted some Units with a DELETE Query. Then i realized that the cascade option

"> Flushes all dirty, new, and deleted instances to the data store. It has no effect if a transaction

>makeTransactional method call; newly made persistent or deleted persistent instances; persistent

"> Flushes all dirty, new, and deleted instances to the data store. It has no effect

, deleted, or newly made persistent in the current transaction return true. Transient instances