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drop a column from table

class you will have to iterate over all the relevant objects, mark them as dirty within an active

PostUpdate on array changes

objectdb.conf file I will revisit the issue of dirty tracking of arrays. However, I have these new

Remove a modified entity cause an optimistic lock exception

). Can you explain the optimistic lock exception? It seems that the first level cache contains yet a dirty entity

Different behavior with persist() and queried instances?

it becomes a regular java.util.Array again which of course doesn't mark the object dirty when getting changed

Schema migration - long to String

change. As a workaround you can read and write (after making them dirty ) all the instances

Entity Management Config questions

Hi, the manual states the following regarding config of Entities: http://www.objectdb.com/java/jpa/setting/entities : The element specifies settings of the two cache mechanisms for entities: The ref attribute specifies the reference type for holding non dirty entities in the persistence

Selective merge/cascade of detatched entity

classes? Merging non dirty objects is expected to be more efficient when classes are enhanced

New entity objects are duplicated on merge cascading

from another new / dirty entity object by a reference with cascading persist disabled. The following