TB check - Quarry

SQL

select * from page cat join pagelinks on pl_from=page_id
where page_namespace=14 and page_title regexp "^User_[^-]*$" and page_title not like "User_templates_%"
and pl_namespace=0 and pl_title = (select rd_title from redirect where rd_from=(select 1 from page rd where rd.page_namespace=0
                                                       and rd.page_title = replace(cat.page_title, "User_","ISO_639:")))
and not exists (select 1 from categorylinks where cl_from=page_id and cl_to in ("Wikipedians_by_programming_language", 
                                                                                "Wikipedians_by_writing_system", 
                                                                                "Wikipedia_soft_redirected_categories", 
                                                                                "Wikipedians_by_markup_language", 
                                                                                "Categories_for_discussion_from_April_2022"));
select rd_title from redirect where rd_from=(select 1 from page rd where rd.page_namespace=0 and rd.page_title = replace("User_aa", "User_","ISO_639:"))
SQL

Checking query status...
