atestu' AND ROW(4827,4828)>(SELECT COUNT(*),CONCAT('JKpSetC2',(SELECT (CASE WHEN (4827=4827) THEN 1 ELSE 0 END)),'JKpSetC2',FLOOR(RAND(0)*2))x FROM (SELECT 4829 UNION SELECT 4830 UNION SELECT 4831 UNION SELECT 4832)a GROUP BY x) AND 'JKpSetC2'='JKpSetC2

[还原]