Interestingly, I was just playing around with a hierarchical list (using a one-to-many self-relation) and although circular relations are allowed (X is parent to Y and Y is parent to X) the involved entities disappear completely from the list!
Interestingly, I was just playing around with a hierarchical list (using a one-to-many self-relation) and although circular relations are allowed (X is parent to Y and Y is parent to X) the involved entities disappear completely from the list!