CREATE TABLE t1 (c1 TINYINT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 SMALLINT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 MEDIUMINT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 INT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 INTEGER NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 BIGINT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 TINYINT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 SMALLINT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 MEDIUMINT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 INT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 INTEGER NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1 (c1 BIGINT NOT NULL, c2 CHAR(5)) PARTITION BY RANGE ( c1 ) ( PARTITION p0 VALUES LESS THAN (10), PARTITION p1 VALUES LESS THAN (20), PARTITION p2 VALUES LESS THAN (30), PARTITION p3 VALUES LESS THAN MAXVALUE); 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 ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5; 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 5 */ ALTER TABLE t1 COALESCE PARTITION 2; 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 3 */ DROP TABLE t1; SHOW TABLES; Tables_in_test