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8

Best practice: Database update/migration of embedded databases in products

: There are three versions of a product (v1.0; v1.1, v2.0). In each version, the entities have been modified ... is now held otherwise. The product store user data in the ObjectDB-Database. Example: V1.0: EntityPerson ... DB1 with the Product in Version 1.1 or 2.0 with the new “EntityPerson” Class and without data loss
Forum
8

Setting temp directory location in ObjectDB

.class.getClassLoader()); I read in the ObjectDB website that we can change the temp directory using ... (); hits it creates a .$fileName.obd$ file in the same directory where fileName.odb is located. But i want to set the tempority folder location so that $fileName.obd$ will be created in some different
Forum
8

Is 2 level cache in use?

Hi, Is there any way to check, if 2 level cache is in use? Right now I've done two things: 1. objectdb.conf with cache size is placed in WEB-INF directory of my web application. 2. persistence.xml ... ="ALL"/> But after few benchmarks I don't really see any difference in
Issue
8

new objects not available in mappedBy associations

> employees;   creating a new mapped class, e.g. new Employee, won't result in this object being available in ... behavior - according to JPA the application has to update both sides in order to have a synchronized bi-directional relationship. In practice, however, the mapped side will be updated automatically
Forum
8

Path in tomcat

Hi, If I put the .jar into /opt/Tomcat/lib/, then where the .conf should be in? And the .odb ... should be in? And the .odb? See explanations about ObjectDB home and configuration path in the manual ... like this (it's my day to day dev environment): - create directory 'objectdb' somewhere - in my case
Forum
8

Strange behaviour with ORDER BY and IN

it should be (and usually is, except in this special combination-case). Ordering seems to be ignored if we order ... with a simple IN-clause. Filtering with IN-clause or ordering on another member (which is not ... ("Locations without selection criterion in descending order (by id): ");         em.createQuery("select
Issue
8

Unexpected Query Token / Casting in Query

.IndividualContactDebitorAccountFragment')).debitorAccount.bankAccounts.routingNumber) LIKE UPPER('%28%') results in the error ... stills results in the same error so it's not because of the upper like I've again initially thought ;) thanks!! Alex I fixed some issue in ObjectDB in navigation after casting. Then I had to add
Forum
8

Visibility of changes in Transaction is not visible to a JPA QL Query

();   } catch   The problem is that the items that I add in the transaction are not visible when I ... , and the persistence.xml is located where it is used in the EJB project ( this was the only way I ... on Windows Server 2008 SP2 32bit. I have not added any objectdb jars  in any other location apart
JPA Doc
8

Criteria Query Selection and Results

The JPA Criteria API interfaces in this group are in use for setting the SELECT and ORDER BY ... clause in a criteria query is represented by Selection: Because Selection is a super interface ... : See the SELECT in Criteria Queries section for more details and examples. ORDER BY Clause Elements Elements in
Manual
8

Deleting JPA Entity Objects

method or implicitly as a result of a cascade operation. Explicit Remove In order to delete an object from the database it has to first be retrieved (no matter which way) and then in an active ... objects that are contained in the entity object are also deleted. If the transaction is rolled