INSERT INTO items values(0, 'camera', 2) ON DUPLICATE KEY UPDATE id=id;
INSERT INTO items values(1, 'camera', 2) ON DUPLICATE KEY UPDATE id=id;
INSERT INTO items values(2, 'camera', 2) ON DUPLICATE KEY UPDATE id=id;
INSERT INTO items values(3, 'camera', 2) ON DUPLICATE KEY UPDATE id=id;
INSERT INTO items values(4, 'camera', 2) ON DUPLICATE KEY UPDATE id=id;
INSERT INTO items values(5, 'camera', 2) ON DUPLICATE KEY UPDATE id=id;
