I am working on recreating the problem but I think I might have solved
it. I trying to use sql in the creation. I have since tried to do it
using the object references JPQL which is proving to be difficult
because I am using a fairly hard query. It links 4 tables conditionally
with the resulting object being a conglomerate of the 4.
two questions.
1. is there a way to make a query for this using a native query?
2. if I use JPQL will it create the standard sql and execute it or will
it do the query using the objects and simply create the resulting object
from the objects. I am concerned about memory. This query will return
25,000 objects and with the four tables linked in code it will bring my
server to its knees....
---
Dru Devore
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> -------- Original Message --------
> Subject: Re: Constructor Expressions
> From: Wouter van Reeven <wouter_at_van.reeven.nl>
> Date: Thu, November 06, 2008 2:04 pm
> To: persistence_at_glassfish.dev.java.net
>
>
> On Thu, Nov 06, 2008 at 12:02:36PM -0700, Dru Devore wrote:
> > I have been trying to get a constructor expression working and have had
> > nothing but errors.
> >
> > I have followed an example from a book and have tried this blog
> >
> > http://weblogs.java.net/blog/mb124283/archive/2007/04/java_persistenc.html
> >
> > But I have had no luck. Any suggestions/examples out there that work?
>
> Can you post the expression that fails and possibly the error you get?
>
>
> Thanks, Wouter van Reeven
>
> --
>
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