CREATE TABLE t1 (c1 TINYINT NOT NULL, c2 CHAR(5)) PARTITION BY HASH(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SHOW TABLES;
Tables_in_test
t1
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 SMALLINT NOT NULL, c2 CHAR(5)) PARTITION BY HASH(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 MEDIUMINT NOT NULL, c2 CHAR(5)) PARTITION BY HASH(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 INT NOT NULL, c2 CHAR(5)) PARTITION BY HASH(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 INTEGER NOT NULL, c2 CHAR(5)) PARTITION BY HASH(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 BIGINT NOT NULL, c2 CHAR(5)) PARTITION BY HASH(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 TINYINT NOT NULL, c2 CHAR(5)) PARTITION BY KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 SMALLINT NOT NULL, c2 CHAR(5)) PARTITION BY KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 MEDIUMINT NOT NULL, c2 CHAR(5)) PARTITION BY KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 INT NOT NULL, c2 CHAR(5)) PARTITION BY KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 INTEGER NOT NULL, c2 CHAR(5)) PARTITION BY KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 BIGINT NOT NULL, c2 CHAR(5)) PARTITION BY KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 TINYINT NOT NULL, c2 CHAR(5)) PARTITION BY LINEAR KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` tinyint(4) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 SMALLINT NOT NULL, c2 CHAR(5)) PARTITION BY LINEAR KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` smallint(6) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 MEDIUMINT NOT NULL, c2 CHAR(5)) PARTITION BY LINEAR KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` mediumint(9) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 INT NOT NULL, c2 CHAR(5)) PARTITION BY LINEAR KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 INTEGER NOT NULL, c2 CHAR(5)) PARTITION BY LINEAR KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test
CREATE TABLE t1 (c1 BIGINT NOT NULL, c2 CHAR(5)) PARTITION BY LINEAR KEY(c1) PARTITIONS 10;
INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 10 */
ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 20 */
ALTER TABLE t1 COALESCE PARTITION 18;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	abc
5	abc
10	abc
15	abc
20	abc
25	abc
30	abc
35	abc
SHOW TABLES;
Tables_in_test
t1
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` bigint(20) NOT NULL,
  `c2` char(5) DEFAULT NULL
) ENGINE=ENGINE DEFAULT CHARSET=latin1
/*!50100 PARTITION BY LINEAR KEY (c1)
PARTITIONS 2 */
DROP TABLE t1;
SHOW TABLES;
Tables_in_test