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DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a int, key (a));
INSERT INTO t1 VALUES (1), (2);
SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;
DROP TABLE IF EXISTS `t1`;
CREATE TABLE `t1` (
`a` int DEFAULT NULL,
KEY `a` (`a`)
) ENGINE=InnoDB;
ALTER TABLE `t1` DISABLE KEYS;
INSERT INTO `t1` VALUES (1),(2);
ALTER TABLE `t1` ENABLE KEYS;
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;
DROP TABLE t1;
drizzled is alive
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