I’m currently moving o.h.a.Index annotations to the @Table annotation. To do this It seems I have to add @Table annotations to Subclasses in a SINGLE_TABLE (just to add indexes={@Index(… ). This in turn leads to HHH000139 warnings (Illegal use of @Table in a subclass of a SINGLE_TABLE hierarchy). The indexes are for fields declared in the subclass, as such I’d like to add them to the subclass and not to the superclasses @Table annotation. Whats the recommended way of dealing with this?