About delete

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JDO Doc
3

Key.deleteAction

Annotation Element javax.jdo.annotations.Key ForeignKeyAction deleteAction Delete action to apply to the foreign key for the key. Returns: delete action to apply to the foreign key for the key Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1
JDO Doc
3

Key.dependent

Annotation Element javax.jdo.annotations.Key String dependent Whether the key is dependent on the owner (and will be deleted when the owner is deleted). Returns: whether the key is dependent on the owner Default value: "" Since: JDO 2.1
JDO Doc
3

Persistent.dependent

Annotation Element javax.jdo.annotations.Persistent String dependent Whether related object(s) of this member are dependent and so deleted when this object is deleted. Returns: whether the related object(s) of this member are dependent Default value: "" Since: JDO 2.1
JDO Doc
3

preDelete(event)

Method javax.jdo.listener.DeleteLifecycleListener void preDelete(   InstanceLifecycleEvent event ) Invoked whenever a persistent instance is deleted, for example during javax.jdo.PersistenceManager ... the instance callback DeleteCallback.jdoPreDelete. Parameters: event - the delete event. Since: JDO 2.0
JDO Doc
3

Value.deleteAction

Annotation Element javax.jdo.annotations.Value ForeignKeyAction deleteAction Delete action to apply to any foreign key for the value. Returns: delete action to apply to any foreign key for the value Default value: javax.jdo.annotations.ForeignKeyAction.UNSPECIFIED Since: JDO 2.1
JDO Doc
3

Value.dependent

Annotation Element javax.jdo.annotations.Value String dependent Whether the value is dependent on the owner (and will be deleted when the owner is deleted). Returns: whether the value is dependent on the owner Default value: "" Since: JDO 2.1
Forum
3

Attempt to open a non existing file '/tmp/objectdb_xxxx/SortQueryItr_6.mrg'

- maybe one application deleted the tmp file of another application. I hope this description is sufficient. EKK ObjectDB deletes its temporary files in 2 ways: Every process deletes its own temporary files that become unreachable (tracked by using weak references). When a process starts it tries to delete
Issue
3

Removing of an entity removes also another entity type

. All ResolverMapping entities are removed by a query (DELETE FROM ...), afterwards ResolverMapping entities ... a query (DELETE FROM ...) then it performs. The data is not lost. This workaround prevent ... . Please note that mixing direct DELETE / UPDATE database queries with EntityManager's operations is known as
Forum
3

Method Invocation On All Entities

Deleting or changing a field of all the entities of some type is fairly easy, using the DELETE ... should do some operations before it gets deleted, and at some point we want to delete all those entities. It could be usefull if we could invoke some "doBeforeDie" method before the deletion. One way to achive
Forum
2

Date field Index is corrupted due to time change

Hi, can you shed some light on why we cannot delete data from the attached DB file. A delete ... that you got on an attempt to delete objects could happen with other operations as well. The common ... ).   The delete query we run is: DELETE FROM RecordingMetaData The exception is the same