CREATE TABLE IF NOT EXISTS `qsetdata` (
  `sessid`		VARBINARY(40) NOT NULL,
  `qsetident`	VARCHAR(40) NOT NULL,
  `created`		TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `expires`		DATETIME NOT NULL,
  `userdata`	BLOB DEFAULT NULL,
  KEY (`sessid`),
  UNIQUE KEY `idx_sessid_qsetident` (`sessid`, `qsetident`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;