Untitled query #80174

SQL

SELECT Pr.page_title AS Redirect, Pa.page_title AS Target
FROM linktarget
JOIN templatelinks ON tl_target_id=lt_id AND tl_from_namespace=0
JOIN redirect ON rd_from=tl_from AND rd_namespace=0 AND rd_title REGEXP "^[^\\W_]+_[^\\W_]+$" AND rd_title NOT REGEXP "^(The_|\\d{4}_|List_of_)"
JOIN page Pa ON Pa.page_namespace=0 AND Pa.page_title=rd_title
JOIN page Pt ON Pt.page_namespace=1 AND Pa.page_title=rd_title
LEFT JOIN categorylinks CLa ON CLa.cl_type="page" AND CLa.cl_from=Pa.page_id
 AND CLa.cl_to REGEXP "Living_people|_births|_deaths|[Ff]ictional_characters|eople|[Dd]isambiguation|name|century"
LEFT JOIN categorylinks CLt ON CLt.cl_type="page" AND CLt.cl_from=Pt.page_id
 AND CLt.cl_to REGEXP "[Bb]iograph[iy]"
JOIN page Pr ON Pr.page_id=tl_from AND Pr.page_namespace=0 AND Pr.page_title REGEXP "^[^\\W_]+,_[^\\W_]+$"
 AND Pr.page_title = REGEXP_REPLACE(Pa.page_title, '^(.*)_(.*)$', '\\2,_\\1')
WHERE lt_namespace=10 AND lt_title="R_from_sort_name" AND CLa.cl_from IS NULL AND CLt.cl_from IS NULL
LIMIT 1000
SQL

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