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ObjectDB 1.0 Manual

Welcome to the ObjectDB for Java/JDO Developer's Guide. Here you can learn how to develop database applications using ObjectDB and JDO (Java Data Objects), the revolutionary database programming technology by Sun Microsystems. The main purpose of ...

 
issue

Unexpected exception (Error 990) on find

I have a huge amount of inserts/updates and after a about 850.000 Entities I got the following error: ... . Type: * Bug JPA Feature JDO Feature Feature Request Documentation Website Version: ...

 
forum_thread

JDOHelper.isDetached failure ?

Running this example code: #1 2014-06-04 21:37 Running this example code: public static void main ( String [ ] args ...

 
forum_thread

Modifying something with Explorer -> app JPQL with Enum doesn't work anymore

Hi! Scenario: Copy attached DB into localhost ObjectDB server (I'm running 2.5.1_03). Open attached project JavaEE Maven with NetBeans (7.4 beta in my case). Start ObjectDB on localhost as server. Run project on Apache Tomee 1.5.2 standard. Take a look at NetBeans' output to see how many entities are found with field type GOOD. There are 2 ways generate the bug: ... this is solved. I think that editing enum values is a feature that was added / fixed recently, and possibly has side effects, so you ... with this fix)), restart the server through the "restart" feature of the small toolbar icon. After restarting , the next printed ...

 
forum_thread

Question about roadmap

Hello ObjectDB community! I am new to ObjectDB, already read about it, but never really got my hands on it. I was reading through some forum posts, issues and the documentation to see if ObjectDB would be an option for me and in the end I came to the result "not yet". Here are my requirements to ObjectDB that does not seam to be fulfilled yet: ... but frankly, it would be unrealistic to expect all these feature requests to be fully supported anytime soon. ...

 
forum_thread

ObjectDB and JPA

Hello !! I am new in JPA / ObjectDB development and I have many questions:   #1 2017-02-10 17:26 Hello !! I am new in JPA / ObjectDB development and I have many questions:   ...

 
forum_thread

Incremental online backup

Hello, Are there plans for ObjectDB to handle incremental online backups, where a backup does not create a whole new copy of the DB, but "updates" an existing backup? This behavior would make backups much faster as only a portion of the data would need to be copied. Such a feature would also allow to perform backups more often, several times a day, in order to always have a backup that's closer to the current state of the DB. Thank you ... only a portion of the data would need to be copied. Such a feature would also allow to perform backups more often, several times a day, in ...

 
forum_thread

JPA 2.0 Criteria API: (When) Fully supported ?

An excerpt from the website of a 3rd party vendor which tries to support JPA 2.0:   "The primary difference between JPA 1.0 and JPA 2.0 implementations is how data is fetched: the JPA 1.0 implementation creates a JPQL query string for fetching while the JPA 2.0 implementation uses Criteria API.   Tested JPA 2.0 providers ... java.lang.UnsupportedOperationException: Unsupported feature - JPA Criteria Builder" The latest ObjectDB JPA 2.0 ...

 
forum_thread

can not use spring-data-jpa repository with NamedQuery

in spring-data-jpa named queries are used to implement repository interface methods, see http://static.springsource.org/spring-data/data-jpa/docs/current/reference/html/#jpa.query-methods.named-queries for example ... java.lang.UnsupportedOperationException: Unsupported feature - Typed Parameters are not supported yet at ...

 
forum_thread

native sql queries

Is there a way to run native SQL queries in ObjectDB? I would guess 'no' since it is an oodbms, but I did not find the answer in the documentation. An attempt: Query q = em.createNativeQuery("select * from person"); Result: ... to support "native SQL". But JPQL is preferred so this feature would be in a low priority. Anyway, the expected   ...