Edycje w kategorii

SQL

SET @category := 'Polscy_malarze_współcześni'; -- Nazwa kategorii (spacje zamienione na podkreślenia)
SET @edit_limit := 1000; -- Ile edycji wylistować (od najnowszych)
SET @time_limit := '20220101'; -- Od jakiego momentu zbierać edycje (rok, miesiąc, dzień)
SET @depth_limit := 10;

WITH RECURSIVE subcategories(sbc_title, sbc_depth) AS (
	SELECT @category, 0 FROM DUAL
  	UNION ALL
  	SELECT page_title, sbc_depth+1 FROM subcategories
  		JOIN categorylinks ON cl_to = sbc_title
  		JOIN page ON cl_from = page_id
  		WHERE cl_type = 'subcat'
  			AND sbc_depth <= @depth_limit
)
SELECT DISTINCT rev_timestamp AS "Czas (UTC)", page_title AS "Strona", actor_name AS "Użytkownik", comment_text AS "Opis zmian", rev_id AS "ID wersji" FROM page
	JOIN categorylinks ON page_id = cl_from
    JOIN subcategories ON sbc_title = cl_to
    JOIN revision ON rev_page = page_id
    JOIN actor ON rev_actor = actor_id
    JOIN `comment` ON comment_id = rev_comment_id 
    WHERE rev_parent_id = 0
    	AND page_namespace = 0
        AND rev_timestamp >= @time_limit
    ORDER BY rev_timestamp DESC
	LIMIT @edit_limit;
SQL

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