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impossible to drop a table with 50 million objects

when trying to execute in explorer (max heap size 1GByte) delete from LogEntry l it comes ... Zwicker This may be because the transaction size is limited by the heap size. You can try deleting these objects in batches, using several transactions, each transaction will delete the results


and then to fix it. If it doesn't help - you may have to delete that specific entity object to make ... and immediately after a create, update or delete operation the DB throws these errors again. I tried ... the doctor the same behavior was experienced. I then tried to delete the DB and create it from

Embedded in JDO metadata not working in objectDB 2.x ?

are created and then delete all the unwanted entity objects that the new embedded objects replace ... smooth, the new embedded objects were created, but how can I delete now the unwanted entity objects ... the Explorer and can not make a query on them. jakab Gergely Jakab Try running the delete query from a small

ObjectDB JDO - foreign key constraints

to delete my Person object (pm.deletePersistent()), I am allowed to do so. Since the person is referred ... this behaviour? Also, how can I control cascading updates and deletes in JDO? There seems to exist ... . caused by deleting an object but keeping a reference to it). Regarding cascading operations

Show Sql/Jpql

can only see select statements, but I also want to see insert, update and delete wua Andreas Wurm ... implementation) does not use queries to implement Insert, Update and Delete operations (except delete/update

Size of recording directory keeps growing

to the "write" mode. ObjectDB does not purge old recording files. However, you can delete old odr files ... #3500781. If you want to delete all the odr files except the last one, 9123744.odr, you should first ... and what they mean, and which ones do I need to keep in order for restoration,and which can be deletes

Schema-Update: Rename superclass and remove one subclass

to RenamedSuperClass and Remove the ChildClassB. <schema> <package name="schemaupdate.delete ... ) at schemaupdate.delete.UpdateDB.main(UpdateDB.java:32) Exception in thread "main" [ObjectDB 2.6.9 ... ) at schemaupdate.delete.UpdateDB.main(UpdateDB.java:32) btc_es BTC EmbeddedSystems Thank you for this report


- Update queries are not supported yet. Used with this code: "DELETE l FROM License l WHERE l.id = ?1 ... .getTransaction().commit(); Another option is to run a JDO DELETE query, e.g. em.getTransaction ... .getTransaction().commit(); JPA DELETE queries are expected to be supported soon. You may subscribe to this issue. support Support

Empty temporary dat files in the temp folder

-file is enabled. In the new build (2.6.8_08) the temporary file is deleted when the database file ... today. Still, ObjectDB deletes all unused temporary files periodically (also in 2.6.8_06). This happens when a new temporary file is created if the last "all unused temporary files deletion" operation

com.objectdb.o.InternalException: java.lang.NullPointerException

About database, it is going to take me a lot of work to delete data on 120 entities, and then load bulk data ... to delete data on 120 entities, and then load bulk data in about 60 entities to load one Nosis ... empty instances of the relevant classes, rather than to use a production database and delete

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ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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