1397 lines
28 KiB
Plaintext
1397 lines
28 KiB
Plaintext
CREATE TABLE t1 (c1 TINYINT NOT NULL, c2 CHAR(5)) PARTITION BY HASH(c1) PARTITIONS 10;
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INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
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SELECT * FROM t1 ORDER BY c1;
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c1 c2
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0 abc
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5 abc
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10 abc
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15 abc
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20 abc
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25 abc
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30 abc
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35 abc
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SHOW TABLES;
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Tables_in_test
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t1
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` tinyint(4) NOT NULL,
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`c2` char(5) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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/*!50100 PARTITION BY HASH (`c1`)
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PARTITIONS 10 */
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ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
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SELECT * FROM t1 ORDER BY c1;
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c1 c2
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0 abc
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5 abc
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10 abc
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15 abc
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20 abc
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25 abc
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30 abc
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35 abc
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SHOW TABLES;
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Tables_in_test
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t1
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` tinyint(4) NOT NULL,
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`c2` char(5) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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/*!50100 PARTITION BY HASH (`c1`)
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PARTITIONS 20 */
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ALTER TABLE t1 COALESCE PARTITION 18;
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SHOW TABLES;
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Tables_in_test
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t1
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SELECT * FROM t1 ORDER BY c1;
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c1 c2
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0 abc
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5 abc
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10 abc
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15 abc
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20 abc
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25 abc
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30 abc
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|
35 abc
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SHOW CREATE TABLE t1;
|
|
Table Create Table
|
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t1 CREATE TABLE `t1` (
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`c1` tinyint(4) NOT NULL,
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|
`c2` char(5) DEFAULT NULL
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|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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|
/*!50100 PARTITION BY HASH (`c1`)
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|
PARTITIONS 2 */
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SHOW CREATE TABLE t1;
|
|
Table Create Table
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t1 CREATE TABLE `t1` (
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`c1` tinyint(4) NOT NULL,
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`c2` char(5) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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/*!50100 PARTITION BY HASH (`c1`)
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PARTITIONS 2 */
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DROP TABLE t1;
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SHOW TABLES;
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Tables_in_test
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CREATE TABLE t1 (c1 SMALLINT NOT NULL, c2 CHAR(5)) PARTITION BY HASH(c1) PARTITIONS 10;
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INSERT INTO t1 VALUES(0,'abc'),(5,'abc'),(10,'abc'),(15,'abc'),(20,'abc'),(25,'abc'),(30,'abc'),(35,'abc');
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SELECT * FROM t1 ORDER BY c1;
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c1 c2
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0 abc
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|
5 abc
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|
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` (
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`c1` smallint(6) NOT NULL,
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|
`c2` char(5) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!50100 PARTITION BY HASH (`c1`)
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|
PARTITIONS 10 */
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ALTER TABLE t1 ADD PARTITION PARTITIONS 10;
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SELECT * FROM t1 ORDER BY c1;
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c1 c2
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0 abc
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|
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` (
|
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`c1` smallint(6) NOT NULL,
|
|
`c2` char(5) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!50100 PARTITION BY HASH (`c1`)
|
|
PARTITIONS 20 */
|
|
ALTER TABLE t1 COALESCE PARTITION 18;
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|
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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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/*!50100 PARTITION BY HASH (`c1`)
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PARTITIONS 2 */
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DROP TABLE t1;
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SHOW TABLES;
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Tables_in_test
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CREATE TABLE t1 (c1 MEDIUMINT NOT NULL, c2 CHAR(5)) PARTITION BY HASH(c1) PARTITIONS 10;
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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` (
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`c1` mediumint(9) NOT NULL,
|
|
`c2` char(5) DEFAULT NULL
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|
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!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=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
|
|
/*!50100 PARTITION BY LINEAR KEY (c1)
|
|
PARTITIONS 2 */
|
|
DROP TABLE t1;
|
|
SHOW TABLES;
|
|
Tables_in_test
|