drop table if exists t1;
set session rocksdb_merge_buf_size=250;
set session rocksdb_merge_combine_read_size=1000;
CREATE TABLE t1 (i INT, j INT, PRIMARY KEY (i)) ENGINE = ROCKSDB;
ALTER TABLE t1 ADD INDEX kj(j), ALGORITHM=INPLACE;
ALTER TABLE t1 ADD INDEX kij(i,j), ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i` int(11) NOT NULL,
  `j` int(11) DEFAULT NULL,
  PRIMARY KEY (`i`),
  KEY `kj` (`j`),
  KEY `kij` (`i`,`j`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
DROP INDEX kj on t1;
DROP INDEX kij ON t1;
ALTER TABLE t1 ADD INDEX kj(j), ADD INDEX kij(i,j), ADD INDEX kji(j,i), ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `i` int(11) NOT NULL,
  `j` int(11) DEFAULT NULL,
  PRIMARY KEY (`i`),
  KEY `kj` (`j`),
  KEY `kij` (`i`,`j`),
  KEY `kji` (`j`,`i`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
DROP TABLE t1;