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Articles w/title matching regex in cat tree, w/path
by
Cryptic
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Rchard2scout
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SET @basecat='Opera'; SET max_recursive_iterations=7; WITH RECURSIVE deepcat (subcat, catpath, depth) AS ( SELECT REPLACE(@basecat, '_', ' '), REPLACE(@basecat, '_', ' '), 0 UNION SELECT page_title, CONCAT(catpath, ' > ', REPLACE(page_title, '_', ' ')), depth + 1 FROM categorylinks JOIN page ON page_id = cl_from AND page_namespace = 14 JOIN deepcat ON cl_to = subcat ) SELECT DISTINCT REPLACE(page_title, '_', ' ') AS title, MIN(catpath) OVER (PARTITION BY page_title ORDER BY depth ASC) AS 'category path' FROM page JOIN categorylinks ON cl_from = page_id JOIN deepcat ON cl_to = subcat WHERE page_title = 'Electrothermal-chemical_technology';
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