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ODB-WeakRefPurger threads not closing at all

any of it. I've counted the DB connections during whole run of the application and it was +- the same as count of live WeakRefPurger threads. Here is the stacktrace which is same

Items in list are doubled, when the entity class is not enhanced

); System.out.println("Item count = "+c.getItemList().size()); em.close(); emf.close(); } } The result is "Item count = 2". Is this another bug

Listing large number of complicated objects with paging.

= icQuery.setFirstResult(start).setMaxResults(count).getResultList(); is quite slow ... .ProductDAOImpl - Start: 250, count: 50 2011-11-15 19:31:03.219 [http-bio-8080-exec-3] DEBUG pl

Index on a low cardinality column

. However it could still help in certain cases (e.g., a count query, as part of a composite index ... that such an index would be useful. For example, an index on a gender field can be helpful in count queries

Performance issues on aggregate query

we are using this aggregate query to collect some data: select p3.doubleValue,c1.classIdentifier,c1.objectName,sum(p4.doubleValue),sum(p4.doubleValue*p5.doubleValue),0,p7.doubleValue,,count(o) from ObjectNode o INNER JOIN p1 INNER JOIN p2

enumeration table? how to on pure jpa?

> Sometimes doing these by hand forces users some mistakes when configuration count increase much.

Removing entity class

. The 2 tables for these entities are empty, but the tables exist, so they count into 10 entities limit

[ObjectDB 2.6.9] Unexpected exception (Error 990)

Errors ------------------- [1] Unexpected total object count: 189979358 (expected 189979356) BTree Value Errors ------------------ [1] cl.intelidata.jpaodb.Movil - Unexpected object count

Use temporary files to enable very large transactions

. The count of byte arrays grows after flush and clear, although we start the GC

ObjectDB 2.5.6

a memory leak (Negative snapshot user count) in UPDATE queries on uncommitted changes (