Exception or null expected when wrong subclass is selected

This should have been fixed together with NH-295.

This should be fixed by now, need to check it and write a test.

There is an exception called WrongClassException, which:
"Thrown when ISession.Load() selects a row with the given primary key (identifier value) but the row's discriminator value specifies a different subclass from the one requested"
This is not thrown by the java code, and not thrown by the .NET code - this may mean, that there is a bug in the java code as well.

Peter, here's the java code I used to test your scenario with hibernate. I'm pretty sure it duplicates exactly what your psuedo code has (minus diff with variable names).

Mike

Maybe you misunderstood the problem, I try to give a more understandable example (it's just pseudocode, maybe it doesn't compile):

class Fruit {int id; public int Id {get {return id} set {id=value}}

class Orange : Fruit { int variable; public int Variable {get {return variable} set {variable = value;}}

class Apple : Fruit { string variable; public string Variable {get {return variable} set {variable = value;}}

I have a mapping for it with the two subclasses.

Orange o = new Orange; o.Variable = 3; session.Save(o);
Apple a = Session.Load(typeof(Apple), o.Id);

At the end, I have an apple 'a' - but I shouldn't. And I cannot determine, what will a.Variable contain... sometimes it throws exception, sometimes it tries to convert the data...
Same applies, if the Orange's and Apple's variable does not have the same name...