DEFAULTSORT issues (cswiki)

SQL

USE cswiki_p;
SELECT page_title, prijmeni, defaultsort.pp_value, cl_to
FROM (SELECT *, CONCAT( SUBSTRING_INDEX( SUBSTRING_INDEX( page_title, '_(', 1 ), '_', -1), ', %') AS prijmeni
      FROM page WHERE page_namespace = 0 AND page_title RLIKE "^[^_]+_[^_().]+(_\\(.*\\))?$") AS pg
JOIN (SELECT * FROM categorylinks WHERE cl_to IN ('Muži', 'Ženy')) AS category ON cl_from = page_id
JOIN (SELECT * FROM page_props WHERE pp_propname = 'defaultsort') AS defaultsort ON pp_page = page_id
WHERE defaultsort.pp_value NOT LIKE prijmeni
ORDER BY page_title;
SQL

Checking query status...
