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;
ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
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;
ALTER TABLE t1 PARTITION BY KEY(c1) PARTITIONS 5;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1;
ALTER TABLE t1 COALESCE PARTITION 2;
SELECT * FROM t1 ORDER BY c1;
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE 
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;