CREATE TABLE user_warrens (
	user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
	warren_id UUID NOT NULL REFERENCES warrens(id) ON DELETE CASCADE,
	can_create_children BOOLEAN NOT NULL,
	can_list_files BOOLEAN NOT NULL,
	can_read_files BOOLEAN NOT NULL,
	can_modify_files BOOLEAN NOT NULL,
	can_delete_files BOOLEAN NOT NULL,
	can_delete_warren BOOLEAN NOT NULL,
	PRIMARY KEY(user_id, warren_id)
);