<join> or <one-to-one> perhaps.

/Oskar


2009/6/29 Moss <[email protected]>:
>
> Our database schema has a Payer table with a unique id key named
> PayerId.  A very few of these payers are special, so we use a primary
> key relationship table called DefaultPayer to denote which of those
> payers are designated as default payers.  DefaultPayer also has
> PayerId as its primary key, but DefaultPayer.PayerId has a foreign key
> constraint to Payer.  However, this is a purely subset relation, not a
> subclassing scenario.  We really don't want a DefaultPayer entity
> class; it hacks up our domain model.  Is there a way to tell
> NHibernate about the relation without creating another entity?
>
> >
>

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