SET @@storage_engine = 'InnoDB';
SHOW VARIABLES LIKE 'storage_engine';
Variable_name	Value
storage_engine	InnoDB
SHOW VARIABLES LIKE 'tx_isolation';
Variable_name	Value
tx_isolation	REPEATABLE-READ
CREATE TABLE statistics (
tx_errors INTEGER NOT NULL
);
INSERT INTO statistics (tx_errors) VALUES (0);
CREATE TABLE t1 (
`pk` INTEGER AUTO_INCREMENT NOT NULL,
`id` INTEGER NOT NULL,
`int1` INTEGER,
`int1_key` INTEGER,
`int1_unique` INTEGER,
`int2` INTEGER,
`int2_key` INTEGER,
`int2_unique` INTEGER,
`for_update` BOOLEAN DEFAULT 0,
`timestamp` TIMESTAMP,
`connection_id` INTEGER,
`thread_id` INTEGER DEFAULT 0,
`is_uncommitted` BOOLEAN DEFAULT 0,
`is_consistent` BOOLEAN DEFAULT 0,
KEY (`id`),
KEY (`int1_key`),
KEY (`int2_key`),
UNIQUE (`int1_unique`),
UNIQUE (`int2_unique`),
PRIMARY KEY (`pk`)
);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `pk` int(11) NOT NULL AUTO_INCREMENT,
  `id` int(11) NOT NULL,
  `int1` int(11) DEFAULT NULL,
  `int1_key` int(11) DEFAULT NULL,
  `int1_unique` int(11) DEFAULT NULL,
  `int2` int(11) DEFAULT NULL,
  `int2_key` int(11) DEFAULT NULL,
  `int2_unique` int(11) DEFAULT NULL,
  `for_update` tinyint(1) DEFAULT '0',
  `timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `connection_id` int(11) DEFAULT NULL,
  `thread_id` int(11) DEFAULT '0',
  `is_uncommitted` tinyint(1) DEFAULT '0',
  `is_consistent` tinyint(1) DEFAULT '0',
  PRIMARY KEY (`pk`),
  UNIQUE KEY `int1_unique` (`int1_unique`),
  UNIQUE KEY `int2_unique` (`int2_unique`),
  KEY `id` (`id`),
  KEY `int1_key` (`int1_key`),
  KEY `int2_key` (`int2_key`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
CREATE PROCEDURE insertRows(rows INT)
BEGIN
SET @n = 1;
REPEAT
INSERT INTO t1 (`id`, `int1`, `int1_key`, `int1_unique`, 
`int2`, `int2_key`, `int2_unique`,
`for_update`, `connection_id`, `thread_id`, 
`is_uncommitted`, `is_consistent`) 
VALUES (0, 1000, 1000, @n,
-1000, -1000, -@n,
0, CONNECTION_ID(), 0, 
0, 1);
SET @n = @n + 1;
UNTIL @n > rows
END REPEAT;
END;
//
CALL insertRows(1000);
SELECT SUM(`int1` + `int1_key` + `int1_unique`
         + `int2` + `int2_key` + `int2_unique`) 
AS TotalSum 
FROM t1;
TotalSum
0