Reverse recursion on categorylinks

SQL

set max_recursive_iterations=3;

with recursive subcats (path, cat_title) as (
  select cl_to, cl_to from categorylinks where cl_type = 'page' and cl_from in (
    select page_id from page where page_title = 'Sabine_Stuart_de_Chevalier' and page_namespace = 0
  )
  union all
  select concat(path, ',', cl_to), cl_to from subcats
  join page on page_title = cat_title and page_namespace = 14
  join categorylinks on cl_from = page_id and cl_type = 'subcat'
)
-- cycle cat_title restrict
-- select * from subcats where find_in_set('Lists', path);
select count(distinct *) from subcats;
SQL

Checking query status...
