I have a Person, with a subclass of Programmer.  They are mapped table-
per-subclass, with a joined key, with a very significant number of
rows in each table.

Every Person query (criteria, hql, queryover, linq) I do joins person
and programmer, producing a significantly slower query than necessary
when I only need person data.

Is there any way to write a Person query such that there is no join
against Programmer?

I've looked at Polymorphism="Explicit", but have been entirely unable
to get it working.  Also, I found some HQL stating to do a 'where
p.class = myClass', which produced the correct results, but still did
the join.

Any suggestions?
Thanks,
-Eric.

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