I have a many-to-one mapping from class History to User

public class History
private User user;


Mapping
<many-to-one name="user" outer-join="true" column="USERTBL_OID"/>


In my updated routine I do (this works):

History history = historyDAO.get(11);
User user = new User(100); // OID passed in from the weblayer
history.setUser(user);

I didn't want to do the following:
History history = historyDAO.get(11);
User user = userDAO.get(100) // OID passed in from the weblayer
history.setUser(user);

since it would be an extra hit to the database to retrieve the user.

Is this okay?

Dino

yes
You can also set User to lazy=true and do session.load(User.class, id); it willnot hit the db

Very nice. Is this documented somewhere? I think this is an extremely useful piece of info.

Dino

You can guess it from the javadoc :)
It is probably more explicit in Hibernate in Action too.