insert into t_class (class, fertile, final) values ('root', 'Y', 'N');
insert into t_class (parent_id, class, fertile, final) values (1, 'thing', 'Y', 'N');
insert into t_class (parent_id, class, fertile, final) values (2, 'container', 'Y', 'N');
insert into t_object (class_id) values (2);
insert into t_object (class_id) values (3);
insert into t_field (class_id, type_id, access_id, name, value) values (2, 3, 2, 'name', 'Generic Thing');
insert into t_field (class_id, type_id, access_id, name, value) values (3, 4, 2, 'contents', '{}');