CREATE TABLE t1 (b INT NOT NULL);
INSERT INTO t1 VALUES (0),(8);
PREPARE stmt FROM '
 SELECT 1 FROM t1 AS o 
   WHERE o.b >= ALL ( 
     SELECT a2.b FROM t1 AS a1 LEFT JOIN t1 AS a2 ON ( a2.b = a1.b ) 
     WHERE a1.b <= a2.b 
  )
';
EXECUTE stmt;
1
1
EXECUTE stmt;
1
1
DROP TABLE t1;