Untitled query #37234

SQL

WITH mymonths AS
  (SELECT DISTINCT DATE_FORMAT(DATE_ADD('2004-04-07', INTERVAL (t4*10000 + t3*1000 + t2*100 + t1*10 + t0) MONTH), '%Y-%m') AS mymonths_month
   FROM
     (SELECT 0 AS t0
      UNION SELECT 1
      UNION SELECT 2
      UNION SELECT 3
      UNION SELECT 4
      UNION SELECT 5
      UNION SELECT 6
      UNION SELECT 7
      UNION SELECT 8
      UNION SELECT 9) AS t0,

     (SELECT 0 AS t1
      UNION SELECT 1
      UNION SELECT 2
      UNION SELECT 3
      UNION SELECT 4
      UNION SELECT 5
      UNION SELECT 6
      UNION SELECT 7
      UNION SELECT 8
      UNION SELECT 9) AS t1,

     (SELECT 0 AS t2
      UNION SELECT 1
      UNION SELECT 2
      UNION SELECT 3
      UNION SELECT 4
      UNION SELECT 5
      UNION SELECT 6
      UNION SELECT 7
      UNION SELECT 8
      UNION SELECT 9) AS t2,

     (SELECT 0 AS t3
      UNION SELECT 1
      UNION SELECT 2
      UNION SELECT 3
      UNION SELECT 4
      UNION SELECT 5
      UNION SELECT 6
      UNION SELECT 7
      UNION SELECT 8
      UNION SELECT 9) AS t3,

     (SELECT 0 AS t4
      UNION SELECT 1
      UNION SELECT 2
      UNION SELECT 3
      UNION SELECT 4
      UNION SELECT 5
      UNION SELECT 6
      UNION SELECT 7
      UNION SELECT 8
      UNION SELECT 9) AS t4
   WHERE DATE_ADD('2004-04-07', INTERVAL (t4*10000 + t3*1000 + t2*100 + t1*10 + t0) MONTH) <= NOW()),
     editsbymonth AS
  (SELECT DATE_FORMAT(STR_TO_DATE(CAST(rev_timestamp AS CHAR), '%Y%m%d%H%i%s'), '%Y-%m') AS editsbymonth_month,
          COUNT(*) AS C
   FROM revision_userindex
   JOIN actor ON rev_actor = actor_id
   WHERE actor_name = 'Armineaghayan'
   GROUP BY editsbymonth_month)
SELECT COALESCE(C, 0) AS Cc,
       mymonths_month,
       TIMESTAMPDIFF(MONTH, CONCAT(mymonths_month, '-01'), NOW()) AS MonthsAgo
FROM editsbymonth
RIGHT JOIN mymonths ON mymonths_month = editsbymonth_month
HAVING Cc > 0
ORDER BY MonthsAgo DESC
SQL

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