SQLAlchemy 0.9 changed the behavior of Query.select_from(), and this
causes bedup memory usage to explode. Starting in SQLAlchemy 0.8.2
there is a Query.select_entity_from() which preserves the old behavior,
and this tests fine with bedup on both old and new SQLAlchemy.
SQLAlchemy 0.9 changed the behavior of Query.select_from(), and this causes bedup memory usage to explode. Starting in SQLAlchemy 0.8.2 there is a Query.select_entity_from() which preserves the old behavior, and this tests fine with bedup on both old and new SQLAlchemy.
Fixes #42.