mysql -最近12个月

SELECT DATE_FORMAT(DATE_SUB(CURDATE(), INTERVAL (a.a + (10 * b.a) + (100 * c.a)) MONTH), '%Y-%m') AS monthOrder
FROM
(SELECT 0 AS a UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4
         UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9) a
CROSS JOIN (SELECT 0 AS a UNION ALL SELECT 1 UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4
       UNION ALL SELECT 5 UNION ALL SELECT 6 UNION ALL SELECT 7 UNION ALL SELECT 8 UNION ALL SELECT 9) b
CROSS JOIN (SELECT 0 AS a UNION ALL SELECT 1) c
WHERE
   a.a + (10 * b.a) + (100 * c.a) < 12