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About bulk delete

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Manual
3

Obtaining a JPA Database Connection

database content, such as store, update, and delete should only be performed within an active
Result
3

Posting to ObjectDB Website - Important Instructions

to modify, delete or move any post at its sole discretion. 2. Content and Readability To keep your post
JDO Doc
3

javax.jdo.PersistenceManager

1.0 void deletePersistent(Object pc) Delete the persistent instance from the data store. Delete ... of the instance persistent, the closure of the instance is not deleted from the data store. This method has no effect if the instance is already deleted in the current transaction. This method throws
JDO Doc
3

deletePersistentAll()

Method javax.jdo.Query long deletePersistentAll() Deletes all the instances of the candidate class that pass the filter. Returns the number of instances of the candidate class that were deleted ... if deletePersistent were called on them. Specifically, if the class of deleted instances implements
JDO Doc
3

javax.jdo.annotations.Element

) for the element Default value: {} Since: JDO 2.1 ForeignKeyAction deleteAction Delete action to apply to any foreign key for the element. Delete action to apply to any foreign key for the element. Returns: delete action to apply to any foreign key for the element Default value: javax.jdo.annotations
JDO Doc
2

javax.jdo.listener.DeleteLifecycleListener

This interface is implemented by listeners to be notified of delete events. Since: JDO 2.0 void postDelete( InstanceLifecycleEvent event) Invoked whenever a persistent instance is deleted, for example ... is deleted, for example during javax.jdo.PersistenceManager.deletePersistent. This method is called
Forum
2

How best to unbind all names?

My JDO application does inserts with binds, and then subsequently does bulk deletes using this code: pm.currentTransaction().begin(); Extent extent = pm.getExtent(ABC.class, true); Query q ... " bindings (bookmarks). Instead of the above code, I could iterate over the Extent and delete the entities
JDO Doc
2

javax.jdo.annotations.Key

ForeignKeyAction deleteAction Delete action to apply to the foreign key for the key. Delete action to apply to the foreign key for the key. Returns: delete action to apply to the foreign key for the key ... Whether the key is dependent on the owner (and will be deleted when the owner is deleted). Whether the key
JDO Doc
2

javax.jdo.annotations.Value

: {} Since: JDO 2.1 ForeignKeyAction deleteAction Delete action to apply to any foreign key for the value. Delete action to apply to any foreign key for the value. Returns: delete action to apply to any ... Since: JDO 2.1 String dependent Whether the value is dependent on the owner (and will be deleted
JPA Doc
2

javax.persistence.TypedQuery

/JPQL queries in Chapter 4 of the ObjectDB/JPA manual. int executeUpdate() Execute an update or delete statement. Execute an update or delete statement. Returns: the number of entities updated or deleted ... for a Java Persistence query language UPDATE or DELETE statement QueryTimeoutException