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From "Dan Nimtz" <dnimtz...@gmail.com>
Subject Re: Using object as a type for a filed in a enity
Date Tue, 18 Nov 2008 15:22:33 GMT
Håkon,
Perhaps it would help if you could include a snippet of code showing your
usage of the ObjectHolder object.

Thanks,
 - Dan Nimtz


On Mon, Nov 17, 2008 at 3:34 AM, Håkon Sagehaug
<Hakon.Sagehaug@bccs.uib.no>wrote:

> Hi
>
> Any tips on this issue
>
> Realy need help on this one
>
> Håkon
>
> 2008/11/14 Håkon Sagehaug <Hakon.Sagehaug@bccs.uib.no>
>
> > Hi
> >
> > I was to fast here, lookes like I did not solve it anyway, but have done
> > some debugging that I hope might help in solvingmy problem. I written out
> > the sql that is sent to the server, which looks like this when I got a
> > Object as type for a field in my enitty
> >
> > INSERT INTO objtab (id) VALUES (?)
> >
> > as you can see it only inserts the id, not the actual value. If I change
> > the type from Object to String in my java entity, I get this insert
> > statement
> >
> > INSERT INTO objtab (id, value) VALUES (?, ?)
> >
> > where the value is also taken, should it be like this. Sinnce the object
> > maybe is treated as byte type will is show the values in a insert
> statement?
> >
> > My entity class looks like this
> >
> > public class ObjectHolder implements Serializable {
> >
> > @Id
> >     @GeneratedValue()
> >     @Column(name = "id")
> >     private int id;
> >
> >     @Column(name = "value")
> >     private Object theObject;
> > }
> >
> > I've tried wiht both bytea and oid as type in my postgresql db, but
> nothing
> > seems to work. When I do a select in pgADmin also the column where the
> value
> > is supposed to be is empty.
> >
> > cheers, Håkon
> >
> > 2008/11/14 Håkon Sagehaug <Hakon.Sagehaug@bccs.uib.no>
> >
> > Hi
> >>
> >> I figured it out, had forgot to map the java filed to the database
> cloumn.
> >>
> >> Thnaks for all the help
> >>
> >> cheers, Håkon
> >>
> >> 2008/11/14 Jim O'Rourke <jimorourke@clearviewcatv.net>
> >>
> >>
> >>>
> >>> Not sure it's relevant, but a while back I had trouble with Postgres
> >>> persisting a blob that represented a jpeg image using 'regular'
> >>> Hibernate.
> >>> The resolution was an updated jdbc driver.
> >>>
> >>> Do you get what you expect from a psql/pgAdmin direct query ?  Anything
> >>> in
> >>> the postgres.log around the INSERT and/or SELECTs?
> >>> --
> >>> View this message in context:
> >>>
> http://n2.nabble.com/Using-object-as-a-type-for-a-filed-in-a-enity-tp1485319p1496155.html
> >>> Sent from the OpenJPA Users mailing list archive at Nabble.com.
> >>>
> >>>
> >>
> >>
> >> --
> >> Håkon Sagehaug, Software Developer
> >> Parallab, Bergen Center for Computational Science (BCCS)
> >> UNIFOB AS (University of Bergen Research Company)
> >>
> >
> >
> >
> > --
> > Håkon Sagehaug, Software Developer
> > Parallab, Bergen Center for Computational Science (BCCS)
> > UNIFOB AS (University of Bergen Research Company)
> >
>
>
>
> --
> Håkon Sagehaug, Software Developer
> Parallab, Bergen Center for Computational Science (BCCS)
> UNIFOB AS (University of Bergen Research Company)
>

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