Needed categories formerly deleted on FA WP

This query is marked as a draft This query has been published by Huji.

Finds all category pages that were previously deleted, are currently non-existent, and have been used in one or more articles

SQL

use fawiki_p;
select cl_to, count(cl_from) cnt
from categorylinks
join logging
on log_title = cl_to
left join page
on cl_to = page_title
and page_namespace = 14
where log_action = 'delete'
and page_id is null
group by cl_to
order by CNT desc;

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SQL

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