JPQL Query with embedded object

2008-11-07 Thread Norbert Rieger
Hi, I'm working with Apache Geronimo 2.1.3. I've an embedded object in my entity class. Making the entity persistent is no problem, the embedded object works fine, but when this object is part of a query's where clause it does not work, it's converted to "WHERE (1 <> 1)" which (IMHO)

AW: JPQL Query with embedded object

2008-11-08 Thread Norbert Rieger
Hi, yes, I think this will work for openJPA, I've tried this already. But it's a workaround (valid only for openJPA ?) with some disadvantages: - maybe this is not portable (I'm sorry for that, but our application needs to run on Apache Geronimo and at least on JBoss without openJPA) - I don't w

Setting NULL value on OneToOne mapping

2008-11-13 Thread Norbert Rieger
Hi, how do I "reset" (set foreign key field to NULL) a assocation in a OneToOne relationship ? I tried to set it to "null" and then execute merge, but the UPDATE command does not include this. e.g. // @Entity class M { @Id long id ; } // --

AW: Setting NULL value on OneToOne mapping

2008-11-13 Thread Norbert Rieger
Hi, I use the merge because the object is modified while detached (client <=> server/ejb). -Ursprüngliche Nachricht- Von: Norbert Rieger [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 13. November 2008 14:38 An: users@openjpa.apache.org Betreff: Setting NULL value on OneToOne m

AW: Setting NULL value on OneToOne mapping

2008-11-13 Thread Norbert Rieger
length of the response, I hope it helps to clear up your options. -mike [1] http://openjpa.apache.org/builds/latest/docs/manual/ref_guide_remote.html#re f_guide_detach_graph On Thu, Nov 13, 2008 at 8:04 AM, Norbert Rieger <[EMAIL PROTECTED]> wrote: > Hi, > > I use the merge becau

'Standalone' Sequence Generator

2009-02-02 Thread Norbert Rieger
Hi, for some reason I need a sequence generator, used to create unique keys explicitly. Is there any kind of "standalone" TableGenerator available in JPA ? What I want to do is something like that: "TableGenerator" genId = new "TableGenerator" (em, "XX") ; Long next = genId.getNext () ; myEnt

Unnecessary Update - Entity not changed, but update statement exectuted

2009-02-13 Thread Norbert Rieger
Hello, when looking at my openEjb log file, I can see some updates I've never done :-) It looks like the entity is updated with the same values as stored already in the database, the entity object was not modified. This is what I do: Bti ent ; tx.begin () ;

@Id, @TableGenerator - Id creation fails when using a connection pool (inside Geronimo 2.1.3)

2009-02-23 Thread Norbert Rieger
Hi, until now I specified my jdbc connection in persistence.xml: MD When using a database connection pool (with