With Doctrine 2, is it possible to add a new property to an entity to persist it in the entity manager, but NOT create a new column in the database ?
Purpose of that is to add a explain field to an entity and catch it with an event when UnitOfWork detects an update of one entity's value. (and perhaps send the content of the explain field by email, or log it, ...)
But I don't want to store this value in the database.