Class::ReluctantORM::Manual::Drivers - Database Independence
Drivers in Class::ReluctantORM encapsulate all RDBMS-specific behavior. They provide SQL rendering and execution services. They are also responsible for determining how suitable they are for a given RDBMS and performing schema introspection, such as reading column names from the database.
Driver selection happens at compile-time, as your model classes are loaded. When YourClass->build_class