About fast

forum_thread

Strange behaviour with ORDER BY and IN

Hi, after trying out objectdb for a while now and being quite impressed by its speed and overall performance I noticed a strange behaviour where an ORDER BY - directive isn't executed as it should be (and usually is, except in this special combination-case). ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
forum_thread

Intermittent: "Attempt to reuse an existing primary key value" when persisting a new instance

Hi,   I don't have a useful test case to expose this issue, but I am getting an intermittent "Attempt to reuse an existing primary key value". In this particular instance, the error is: ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
forum_thread

NullpointerException when execute a merge

How can we analyze the cause of an "Unexpected internal exception"?   We create an object tree that is persisted with "merge()". Then we want to persist “merge()” an new object of a different type.   [we use ObjectDb 2.6.0_3] ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
issue

After using the enhancer, Lazy loaded collections are no longer loading. They are set as null

Environment: Mac OS X JVM: Java 1.8 u 20 Steps to reproduce Use the following classes: /** Account Class **/ ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
issue

ArrayIndexOutOfBounds on showing Tree Window

... from the Schema in ObjectDB Explorer in version 2.6.5_04 I get then the following exception (plenty of them). ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
issue

NPE on em.createQuery(query).getResultList()

(JPA2 support getting better but still not quite there, excellent progress regardless). Difficult to see what's going on because of obfuscation, but it didn't look like this exact issue was reported yet (seemed to differ from the other reported and fixed NPEs): ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
forum_thread

pesimistic Lock semantic

Hi   I have tested pesimistic lock and the result was for me unexpected. In the first transaction i modified one object and in the second transaction i wanted to the same and  I got an exceptopn that lock could not be granted, quite nice but in that moment I wanted commit the first transaction and I also got lock exception. this the test:   public void testPesimisticLock() {   PersistenceManager pm1 = null;   PersistenceManager pm2 = null; ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
forum_thread

Query fails with numerical values > 2^31

Hi ! I'm trying to execute the following query (from Java-code, also tried ObjectDB Explorer) delete from DataRecord p where p.TimeOfDeletion < 4147483648 This fails with "invalid numerical literal". The field p.TimeOfDeletion is of type long. As far as I know, the maximum value greater than 2^31 (Oracle: "The long data type is a 64-bit two's complement integer.") ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
issue

Internal exception when quering

Hello, following exception occurs when quering objectdb: ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...

 
forum_thread

failure to enforce NOT NULL for java.lang.String

my test cases are indicating that @Basic(optional=false) and @Persistent(nullValue=NullValue.EXCEPTION) are not enforced in 2.3.7_08 or that i have failed to understand how to annotate. example: @Entity public class Request {   public Request() { }   @Id @GeneratedValue(strategy=GenerationType.IDENTITY)   private Long id; ... ObjectDB Support ObjectDB - Fast Object Database for Java (JPA/JDO) ...