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6

Error using query with MAX() function

with my data. awhawks Adam W. Hawks Thank you for the update and thanks again for the bug report ... commit after every update it seems to work. If I commit every 1000 updates it fails. awhawks Adam W ... (); em.clear(); } awhawks Adam W. Hawks Thank you for the update. I am more worried
6

Access entity version before commit transaction

Hi, I have a usecase where I need to write the updated entity version to the database before ... containing the new version of the entity So I need to access the version of an updated entity inside ... of the entity ObjectDB seems to update the version field automatically. But if I just set a String
6

Is it possible to remove parent/child entities without refresh?

to have an updated parent/child object tree in memory. But entityManager.refresh is too slow for our project ... the application should update both sides of the relationship, rather than calling refresh after updating ... () I got an objectdb exception (error 613). I have updated the unit test in the first item
6

Dirty checking

, so that I can update views which are observing those objects. It seems that the JPA lifecycle ... of a @Version field that is updated automatically for every entity object when it is changed ... to the database. 5) The server pushes changes to the client which updates its view. In the Javascript
6

Failed to read the value of field using reflection (error 363)

, please check the database with the ObjectDB Doctor and post the results. support Support I wish to update ... . After updating to 1.6 u39 (around 3 hours ago), we have not encountered the problem since. We also reverted the ObjectDB JAR to [2.3.7_08] after the update. If you need more information, I'll do my best to provide
6

Entity Type is not found (error 301) in Query

dao, UpdateMap update) throws Exception {     List<Base> list = null;     HashMap<String, Object> map = new HashMap<String, Object>();     if (update == null) {         map.put("email", getEmail ... .getCanonicalName()      + " u where u.email = :email", map);     } else {         Update m = update
6

Performance in large transactions

transaction, i.e. when there are no updates to the database since the last commit, is more efficient. If there are updates, ObjectDB may have to apply them before running the query, and in a multitasked application, these uncommitted updates may have to be applied each time again and again, in order
6

Wrong @Id type

Novaković There was a bug in UPDATE queries that was fixed. Please see this forum thread. Which ObjectDB ... an ObjectDB version before the fix, with an UPDATE queries that change the IDs to the correct type ... you mentioned because we don't use UPDATE queries. Also we have noticed that using tree view of ObjectDB
6

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

/ update transactions, with large amount of data pending to be written to the database on commit ... with generation or update of entities? We had not created many entries and deleted ... for writing to the database (until transaction commit), so with many updates or updates of large objects this is possible. support Support
6

OptimisticLockException

to be automatically updated in process A. So, do I need to refresh objects before using them? I would have thought ... A cannot be aware to the change in process B automatically - an attempt to apply such automatic updates by ObjectDB would be very inefficient. But you can do that update explicitly in your application - e.g. by

Getting Started

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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