The ORMs I've used have always tried to map tables to classes (or whatever similar language structure is available). That works well almost all the time, but I

The ORMs I've used have always tried to map tables to classes (or whatever similar language structure is available). That works well almost all the time, but I get tripped up when the queries get to be more complex or specialized to a particular use. I haven't used SQLAlchemy's expression language, but glancing over it now it looks like it might be just what I was looking for (at least for python), so thanks for the pointer.