[jedberg]

I wouldn't call it so much proxying the DB requests through it as all the other functions do business logic, only one or two actually marshal data into and out of the datastore.

So yeah it's kind of like a proxy, but think of a monolithic application. Do you make it so every object in your application talks to the DB, or do you have a DB object, which handles the connection pooling and all of that other stuff? If you have a DB object, that becomes your DB function, and all the other functions talk to it for getting and writing data.