About GROUP BY

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Issue
5

JPQL support for mapped by (inverse) collections

, SIZE, MEMBER OF, IN) are currently not supported for mapped by (inverse) collections. These operations are supported for direct (not mapped by) collections. Navigation and JOIN is supported for both direct and mapped by collections. The following test case demonstrates a problematic query
Forum
5

Need help to analyse very high memory usage by objectdb (PRU, SEV, VAL[])

exceeded" exception. Nearly 90% of the memory are taken by com.objectdb.o.PRU (49%) com.objectdb.o.SEV ... Forum Thread Need help to analyse very high memory usage by objectdb objects (PRU, SEV, VAL[]) has been created. This may be caused by large insert / update transactions, with large amount of data
Forum
5

UserException: Package com.example.model is not found by the enhancer

get the exception: com.objectdb.o.UserException: Package com.example.model is not found by ... ?   It may be a class loader conflict, i.e. the Enhancer and your classes are loaded by different class loaders and the Enhancer do not have access to the classes. Enhancing by invoking the Enhancer from
JDO Doc
5

javax.jdo.annotations.FetchGroup

javax.jdo.annotations Annotation FetchGroup Target: Classes Annotation for the fetch group of a class. Corresponds to the xml element "fetch-group". Since: JDO 2.1 String[] fetchGroups Fetch groups to be nested (included) in this fetch group. Fetch groups to be nested (included) in this fetch group
Forum
5

a second mapping-file is ignored in persistence.xml by enhancer

> We start the enhancer and the entities of orm.xml will be enhanced by following output: enhancer ... will be enhanced by following output, because the enhancer is apparently ignored the ormreq.xml
Forum
5

Bug: ClassCastException by retrieval

("find by retrieval : %s %n",tn3.getTa()); System.out.printf("Arrays : %s %n",Arrays.toString(tn3 ... , l, l, o, W, o, r, l, d, 2] find by retrieval : H Arrays : [H, e, l, l, o, W, o, r, l, d, 2
Forum
5

Getting java.lang.ArithmeticException: / by zero

ava.lang.ArithmeticException: / by zero at com.objectdb.td.remove(td.java:131) at com.objectdb.af.VW ... which is being used is 2302.  Regards, Binit Bhaskar This division by zero occurs in some hash table
Issue
5

InternalException caused by OOM: Metaspace

.5.5_05] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.8.0_05 ... .persistenceManagerInit(JDOConnection.java:386) and the next part: Caused by: java.lang.OutOfMemoryError: Metaspace
Issue
5

Lazy retrieval by access not working correctly

I have a problem loading lazy associations by access/navigation with an @Embedded attribute containing an @ElementCollection which is lazy loaded.  I'm not sure if the same problem exists ... { ... @ElementCollection // lazy loaded by default private Map values
Forum
5

NULL prefered in ORDER BY?

Hi! Is there a way to NOT prefer NULL in Order BY? I.e. assume this: @Entity class Hint {     private String name; } @Entity class Test {     private Hint hint; } I've got a few Test ... Test ORDER BY hint.name It orders ASC like this (assuming I've got three Test Entities whereas first