About @Embeddable

forum_thread

Persist error @ManyToMany how to define correct entities relationships

I have Product entities containing a list of Category enties. Each product can have multiple Category but all sue the same limited set of Category entities. There is not changes made to Category from Product. The category ID is taken from the webservice Object ID (unique too). #1 2017-01-29 18:06 I have Product entities containing a list of Category enties. Each product can have multiple Category but they ar ...

 
forum_thread

@ElementCollection query returning extra result per element in collection

Hi, #1 2011-07-21 15:09 Hi,   I'm having a hard time narrowing down an issue that only became apparent with in the UI. T ...

 
forum_thread

Embedded in JDO metadata not working in objectDB 2.x ?

Hi, I am using JDO access to the database with the persistence defined in package.jdo XML metadata files. In those metadata files I have few persistence-capable classes which had extents in ObjectDB 1 (with an OID for every instance) and all other classes were embedded (so without extent and own OID) in those few peristence-capable ones. Example of JDO metadata: #1 2014-07-04 16:48 Hi, I am using JDO access to the database with the persistence defined in package.jdo XML metadata files. ...

 
release

2.4.6

Release date: 2013-01-16 Download (5.42 MB) Binary:  objectdb-2.4.6.zip You should start by following a  tutorial or reading the manual ...

 
release

2.4.5

Release date: 2012-12-13 Download (5.41 MB) Binary:  objectdb-2.4.5.zip You should start by following a  tutorial or reading the manual ...

 
release

2.4.4

Release date: 2012-10-13 Download (5.4 MB) Binary:  objectdb-2.4.4.zip You should start by following a  tutorial or reading the manual ...

 
release

2.4.3

Release date: 2012-08-26 Download (5.4 MB) Binary:  objectdb-2.4.3.zip You should start by following a  tutorial or reading the manual ...

 
manual

SELECT clause (JPQL / Criteria API)

Explains how to use the SELECT clause and projections in a JPA/JPQL query. The ability to retrieve managed entity objects is a major advantage of JPQL. For example, the following query returns Country objects that become managed by the EntityManager javax.persistence.EntityManager JPA interface Inte ...

 
manual

Entity Management Settings

Explains settings and performance tuning of JPA entities in ObjectDB, the fast Java object database for JPA/JDO. The < entities> configuration element specifies front end settings that are relevant on the client side and in embedded mode. The default configuration file contains the following <entities> element: <entities ...

 
issue

InternalException when using MEMBER OF on a large list in a query

Hello, we get when executing a query with MEMBER OF on a large list the following InternalException: Caused by: com.objectdb.o.InternalException: merge2 com.btc.ep.coverage.bl.internal.dmos.CoverageRecordImpl:null => merger[2850057]-missing:223 at com.objectdb.o.PBI.B(PBI.java:124) at com.objectdb.o.PBI.q(PBI.jave:97) at com.objectdb.o.OBI.Vp(OBI.java:244) (... more see attached Image) Our query looks like this: Bug Version: Priority: High Status: Fixed Replies: 5 Type:  Bug ...