About field

forum_thread

Help: After upgrading from 2.2.8_02 to 2.2.8_04, can't perform LIKE query

Hi,   During the upgrade from 2.2.8_02 (not sure if it was build 03/04 as I skipped 03) - my LIKE queries have stopped working. As an example output: ... test I am using to expose the situation a bit clearer. The field 'companyId' is a string.   Thanks ...

 
forum_thread

Entity Type is not found (error 301) in Query

Overall test OpenJPA, HibernateJAP, EclipseLink and ObjectDB. No Problem with OpenJPA, HibernateJAP, EclipseLink For ObjectDB there is one query in following method, where the full qualified class name is necessary. See method code - red part Otherwise an error will occure. #1 2013-04-11 19:00 Overall test OpenJPA, HibernateJAP, EclipseLink and ObjectDB. No Problem with OpenJPA, HibernateJAP, EclipseLink ...

 
forum_thread

Non Embedded byte[]

I am trying to understand the "embedded=false" for JDO byte[] as described in ObjectDB 1.0 Manual, sections 4.3 and 4.4.   I desire to store an image as a byte[] but I don't want the byte[] to be loaded on the loading of the persistent object that has my image's attributes.  The byte[] would only be loaded from the datastore if my image's attribute evaluation deemed that it need to be loaded.   Can you give a JDO example of how to achieve this?   For example: ... use a wrapper entity object with a byte[] as its only field. ObjectDB Support ObjectDB - Fast Object ...

 
manual

Logical Operators in JPQL and Criteria API

Explains how to use AND, OR and NOT in JPQL queries.... descendant interfaces. For example, a boolean path (a field or a property) is represented by Path ...

 
forum_thread

Retrieve data of all entity classes in a single query

I have in an objectdb file 10 Entity Classes with some data in each (Athlete, Trainer, Stadium etc) This is the code I use to retrieve all Managed Types and data for the Athlete class #1 2014-08-11 17:48 I have in an objectdb file 10 Entity Classes with some data in each (Athlete, Trainer, Stadium etc) This ...

 
doc

printStackTrace()

Prints this throwable and its backtrace to the standard error stream.(Method of java.lang.Throwable)

 
api-jdo

preDirty(event)

Invoked whenever a persistent instance is first made dirty, during an operation that modifies the value of a persistent or transactional field.(Method of javax.jdo.listener.DirtyLifecycleListener)

 
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: ... contains more than 20.000 elements. The field 'properties' (query: record.properties) of CoverageRecordImpl is ...

 
api-jdo

setMultithreaded(flag)

Set the Multithreaded flag for this PersistenceManager.(Method of javax.jdo.PersistenceManager)

 
forum_thread

GWT RPC is throwing serialization exception when I have object db date value

Caused by: com.google.gwt.user.client.rpc.SerializationException: Type 'objectdb.java.util.Date' was not included in the set of types which can be serialized by this SerializationPolicy or its Class object could not be loaded. For security purposes, this type will not be serialized.: instance = Sat Jan 29 00:00:00 PST 2011    at com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:614)   #1 2011-02-07 15:14 Caused by: com.google.gwt.user.client.rpc.SerializationException: Type 'objectdb.java.util.Date' was not included i ...