CREATE TABLE t1 (a INT PRIMARY KEY, b CHAR(8)) ENGINE=ROCKSDB PACK_KEYS=1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL,
  `b` char(8) DEFAULT NULL,
  PRIMARY KEY (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 PACK_KEYS=1
ALTER TABLE t1 PACK_KEYS=0;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) NOT NULL,
  `b` char(8) DEFAULT NULL,
  PRIMARY KEY (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1 PACK_KEYS=0
DROP TABLE t1;
