here you go: http://use-the-index-luke.com/sql/join/hash-join-partial-objects#orm-partial-objects http://use-the-index-luke.com/sql/join/hash-join-partial-obj..

here you go: http://use-the-index-luke.com/sql/join/hash-join-partial-objects#orm-partial-objects http://use-the-index-luke.com/sql/join/hash-join-partial-obj... It's really a PIA. Recently, I've learned about http://jooq.org/ http://jooq.org/ — not having checked in detail yet, it might be easier there.