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SET DEFAULT_STORAGE_ENGINE='tokudb';
DROP TABLE IF EXISTS t2;
CREATE TABLE `t2` (
`c1` int(11) NOT NULL,
`c2` int(10) unsigned DEFAULT NULL,
`c3` int(11) DEFAULT NULL,
KEY `c2` (`c2`),
KEY `c1` (`c1`)
);
INSERT INTO t2 (c1,c2,c3) VALUES
(-12, 12, 12),
(-11, NULL, 11),
(-9, 9, 9),
(-8, 8, 8),
(-7, 7, 7),
(-6, 6, 6),
(-5, 5, 5),
(-4, 4, 4),
(-3, 3, 3),
(-2147483648, 2, 2),
(-2147483648, 1, 1),
(50, 50, 10),
(-2147483648, 0, 13),
(2147483647, 4294967295, 14),
(0, 2147483648, 15),
(2147483647, 2147483647, 16);
SELECT * FROM t2;
c1 c2 c3
-12 12 12
-11 NULL 11
-9 9 9
-8 8 8
-7 7 7
-6 6 6
-5 5 5
-4 4 4
-3 3 3
-2147483648 2 2
-2147483648 1 1
50 50 10
-2147483648 0 13
2147483647 4294967295 14
0 2147483648 15
2147483647 2147483647 16
UPDATE t2 SET c1=-2147483648 WHERE c2 >= 0 ORDER BY c2 DESC LIMIT 2;
SELECT * FROM t2;
c1 c2 c3
-12 12 12
-11 NULL 11
-9 9 9
-8 8 8
-7 7 7
-6 6 6
-5 5 5
-4 4 4
-3 3 3
-2147483648 2 2
-2147483648 1 1
50 50 10
-2147483648 0 13
-2147483648 4294967295 14
-2147483648 2147483648 15
2147483647 2147483647 16
DROP TABLE t2;
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