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From "Eric SULTAN (JIRA)" <j...@apache.org>
Subject [jira] Created: (JDO-617) JDOQL : Bulk Update and Delete Operations
Date Sat, 22 Nov 2008 10:36:46 GMT
JDOQL : Bulk Update and Delete Operations

                 Key: JDO-617
                 URL: https://issues.apache.org/jira/browse/JDO-617
             Project: JDO
          Issue Type: New Feature
            Reporter: Eric SULTAN

It would be usefull that the JDO Query Langage could do some UPDATE and DELETE on Persistent
Object like this :

UPDATE [<candidate-class>] SET item1=<newValue>, item2=<newValue> [WHERE

The new_value specified for an update operation must be compatible in type with the state-field
which it is assigned.
Bulk Update must modify the value of the version column and refresh Level1 and Level2 cache.

DELETE FROM [<candidate-class>] [WHERE <filter>]
By default Bulk Delete is appy on the specified class and its subclasses and doesn't do cascade
A keyword like CASCADE must be set if we want to does a cascade delete : 
DELETE CASCADE FROM [<candidate-class>] [WHERE <filter>]

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