with link(id, name, level) as (select id, name, 0 from folder where parent is null union all select folder.id, ifnull(link.name || '/', '') || folder.name, level + 1 from link inner join folder on link.id = folder.parent) select name from link where name is not null order by id;
with link(id, name, level) as (select id, name, 0 from folder where parent is null union all select folder.id, ifnull(link.name || '/', '') || folder.name, level + 1 from link inner join folder on link.id = folder.parent) select name from link where name is not null order by cast(id as int);