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2

Problem with distinct select, order by and equivalent alias/attribute path

.createEntityManagerFactory("$objectdb/db/points.odb");         EntityManager em = emf.createEntityManager ... invalid from your point of view? Thanks and regards Benjamin Klink JPQL restricts ORDER BY expressions ... project but pointing from there to the (client-server-based) database that is used by the "real
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2

PersistenceException UserException: Failed to validate persistence.xml

/points.odb", properties); //exception! } But everytime it fires this exception:  javax.persistence.PersistenceException: Explicit persistence provider error(s) occurred for "$objectdb/db/points ... provider error(s) occurred for "$objectdb/db/points.odb" after trying the following discovered
Issue
2

query.getResultList() throws ClassCastException

I modified the example code to include an index on the Point class like so:     @Index(members={"x","y"}) Then when I run the following query:     TypedQuery<Point> query = em.createQuery("SELECT p FROM Point p where p.x <= :x and p.y >= :y",         Point.class); I get the exception at the end.  I
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1

BIRT plugin: Trouble with Client/Server connection

I am having trouble setting up the birt points.odb sample with a client/server connection. I can connect to points.odb with the explorer.  I added a "Data Source" that works fine with local file ... :     connection URL: objectdb://localhost:6136/points.odb;user=admin;password=admin     using objectdb
Forum
1

How to define database structure and insert some initial objects from scratch

.createEntityManagerFactory("$objectdb/db/points.odb");         EntityManager em = emf.createEntityManager();         // Store 1000 Point objects in the database:         em.getTransaction().begin();         for (int i = 0; i < 1000; i++) {             Point p = new Point(i, i);             em
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1

Pre-detach loading: retrieval by navigation not working in if statement

application (as I will demonstrate below), so there is no point making that available (yet). I have been unable to find the point of difference. So I will try first just showing selected portions of code ... test app). I have tried in vain to find any point of difference between the real web app
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1

Saving custom list which implements java.util.List fails

) and encountered the following problem:   I took the Point-example from the tutorial and added a list ... shown below. @Entity public class Point implements Serializable {     ...     private List list ... "); } @Entity public class Point implements Serializable { ... private List<Point> friends = new
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1

Should I be able to persist a JFrame (or gui components in general)?

Contact, and modeled after your Point class from your tutorial. This whole process worked and end ... iterators with no concept of current record--but I digress--I got them working anyway). 4. The point ... at this point. I have some more experimenting to do. Last update...promise. I discovered that (as I
Forum
1

TimeSeries and ObjectDB

Hi, I am using ObjectDB for storing TimeSeries (large ones) - when I get new points to add ... , then add the new points, and then commit the whole timeserie again. I looked at Update queries ... TimeSerie point - in a different entity? The reason is because the parent entity (i.e. TimeSerie
Forum
1

Dependency from enhanced classes to the objectDB library

a feature request and try to define from your point of view how exactly it should work. Hello support ... our point of view how exactly it should work. In the meantime, we have experimented a bit ... your point of view something about this solution? Currently your solution at #13 looks a the best option under the current constraints. btc_es