Try to use the 
GhostBuster<http://fabiomaulo.blogspot.com/2008/10/how-test-your-mappings-ghostbuster.html>
 .The more easy way is use it with a filled existent DB.


2009/5/25 Shane C <[email protected]>

>
> When doing the following query...
>
> var criteria = CurrentSession.CreateCriteria(typeof(Transaction));
>
> criteria.Add(Restrictions.In("Id", new List<int>(transactionIds)));
>
> return criteria.List<Transaction>();
>
> I get the following error "NHibernate.Exceptions.GenericADOException:
> could not update: "
>
> NHProfiler shows that after loading everything it NHibernate then
> tries to update a non-nullable field to null.  This to me says I've
> got a problem with my mapping which I'm looking for now but I'm
> wondering why would there even be an update occurring after a query?
>
> Thanks,
>
> Shane
> >
>


-- 
Fabio Maulo

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