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CREATE TABLE tab(c1 int);
INSERT INTO tab VALUES(10);
# copy the win datadir zip into destination location
# Unzip the zip file on windows platform
## Stop DB server
## Start Linx DB with --innodb-directories
## Check new datadir
SELECT @@datadir;
@@datadir
NEW_DATADIR/db1/
SELECT @@innodb_undo_directory;
@@innodb_undo_directory
UNDO_FILES/undo_files
SELECT @@innodb_data_home_dir;
@@innodb_data_home_dir
DATA_HOME/data_home
SELECT @@innodb_log_group_home_dir;
@@innodb_log_group_home_dir
DATA_HOME_DIR/data_home
SELECT @@innodb_data_file_path;
@@innodb_data_file_path
data01:20M;data02:20M:autoextend
SELECT @@innodb_undo_tablespaces;
@@innodb_undo_tablespaces
2
SHOW CREATE TABLE tab3;
Table Create Table
tab3 CREATE TABLE `tab3` (
`empno` int DEFAULT NULL,
`ename` varchar(30) DEFAULT NULL,
`sal` decimal(3,0) DEFAULT NULL,
KEY `ix1` (`ename`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPRESSED
/*!50100 PARTITION BY HASH (`empno`)
(PARTITION P0 DATA DIRECTORY = '../datadir1' ENGINE = InnoDB,
PARTITION P1 DATA DIRECTORY = '../datadir1' ENGINE = InnoDB) */
SHOW CREATE TABLE purchase;
Table Create Table
purchase CREATE TABLE `purchase` (
`id` int DEFAULT NULL,
`purchased` date DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (year(`purchased`))
SUBPARTITION BY HASH (to_days(`purchased`))
(PARTITION p0 VALUES LESS THAN (1990)
(SUBPARTITION s0 DATA DIRECTORY = '../part0' ENGINE = InnoDB,
SUBPARTITION s1 DATA DIRECTORY = '../part1' ENGINE = InnoDB),
PARTITION p1 VALUES LESS THAN (2000)
(SUBPARTITION s2 DATA DIRECTORY = '../part2' ENGINE = InnoDB,
SUBPARTITION s3 DATA DIRECTORY = '../part3' ENGINE = InnoDB)) */
SELECT TABLESPACE_NAME,FILE_TYPE,TABLE_NAME,ENGINE FROM INFORMATION_SCHEMA.FILES;
TABLESPACE_NAME FILE_TYPE TABLE_NAME ENGINE
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TEMPORARY NULL InnoDB
# UNDO LOG NULL InnoDB
# UNDO LOG NULL InnoDB
# UNDO LOG NULL InnoDB
# UNDO LOG NULL InnoDB
# UNDO LOG NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
# TABLESPACE NULL InnoDB
## Stop DB server
## restart the server with --datadir and innodb-directories
## Check new datadir
SELECT @@datadir;
@@datadir
NEW_DATADIR/db1/
SELECT @@innodb_undo_directory;
@@innodb_undo_directory
UNDO_FILES/undo_files
SELECT @@innodb_data_home_dir;
@@innodb_data_home_dir
DATA_HOME/data_home
SELECT @@innodb_log_group_home_dir;
@@innodb_log_group_home_dir
DATA_HOME_DIR/data_home
SELECT @@innodb_data_file_path;
@@innodb_data_file_path
data01:20M;data02:20M:autoextend
SELECT @@innodb_undo_tablespaces;
@@innodb_undo_tablespaces
2
SHOW CREATE TABLE tab3;
Table Create Table
tab3 CREATE TABLE `tab3` (
`empno` int DEFAULT NULL,
`ename` varchar(30) DEFAULT NULL,
`sal` decimal(3,0) DEFAULT NULL,
KEY `ix1` (`ename`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPRESSED
/*!50100 PARTITION BY HASH (`empno`)
(PARTITION P0 DATA DIRECTORY = '../datadir1' ENGINE = InnoDB,
PARTITION P1 DATA DIRECTORY = '../datadir1' ENGINE = InnoDB) */
SHOW CREATE TABLE tab4;
Table Create Table
tab4 CREATE TABLE `tab4` (
`c1` int DEFAULT NULL,
`c2` varchar(10) DEFAULT NULL
) /*!50100 TABLESPACE `ts2` */ ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
SHOW CREATE TABLE purchase;
Table Create Table
purchase CREATE TABLE `purchase` (
`id` int DEFAULT NULL,
`purchased` date DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (year(`purchased`))
SUBPARTITION BY HASH (to_days(`purchased`))
(PARTITION p0 VALUES LESS THAN (1990)
(SUBPARTITION s0 DATA DIRECTORY = '../part0' ENGINE = InnoDB,
SUBPARTITION s1 DATA DIRECTORY = '../part1' ENGINE = InnoDB),
PARTITION p1 VALUES LESS THAN (2000)
(SUBPARTITION s2 DATA DIRECTORY = '../part2' ENGINE = InnoDB,
SUBPARTITION s3 DATA DIRECTORY = '../part3' ENGINE = InnoDB)) */
## Check with DML & DDL operations
SELECT * FROM tab1;
c1 c2
1 VISH
SELECT * FROM tab2;
c1 c2
2 VISH
SELECT * FROM tab3;
empno ename sal
100 VISWANATH 100
300 VISWANATH 100
DELETE FROM tab1;
DELETE FROM tab2;
DELETE FROM tab3;
DELETE FROM tab4;
DELETE FROM purchase;
ALTER TABLE tab3 ADD COLUMN c3 VARCHAR(15);
ALTER TABLE tab4 ADD COLUMN c3 VARCHAR(15);
INSERT INTO tab1 VALUES(1, 'VISH');
INSERT INTO tab2 VALUES(2, 'VISH');
INSERT INTO tab3 VALUES (100,'VISWANATH',100,'Test1');
INSERT INTO tab3 VALUES (300,'VISWANATH',100,'Test2');
INSERT INTO tab4 VALUES(2, 'VISH', 'NATH');
INSERT INTO purchase VALUES(1,'1980-05-31');
INSERT INTO purchase VALUES(2,'1999-05-31');
INSERT INTO purchase VALUES(3,'1998-05-31');
INSERT INTO purchase VALUES(4,'1979-05-31');
INSERT INTO purchase VALUES(5,'1978-05-31');
INSERT INTO purchase VALUES(6,'1997-05-31');
SELECT * FROM tab1;
c1 c2
1 VISH
SELECT * FROM tab2;
c1 c2
2 VISH
SELECT * FROM tab3;
empno ename sal c3
100 VISWANATH 100 Test1
300 VISWANATH 100 Test2
SELECT * FROM tab4;
c1 c2 c3
2 VISH NATH
SELECT * FROM purchase;
id purchased
5 1978-05-31
1 1980-05-31
4 1979-05-31
2 1999-05-31
6 1997-05-31
3 1998-05-31
## Stop DB server for moving tablespaces around
## Moving tablespace files in criss-cross form
## Start Linx DB with --innodb-directories
## Check new datadir
SELECT @@datadir;
@@datadir
NEW_DATADIR/db1/
SELECT @@innodb_undo_directory;
@@innodb_undo_directory
UNDO_FILES/undo_files
SELECT @@innodb_data_home_dir;
@@innodb_data_home_dir
DATA_HOME/data_home
SELECT @@innodb_log_group_home_dir;
@@innodb_log_group_home_dir
DATA_HOME_DIR/data_home
SELECT @@innodb_data_file_path;
@@innodb_data_file_path
data01:20M;data02:20M:autoextend
SELECT @@innodb_undo_tablespaces;
@@innodb_undo_tablespaces
2
SHOW CREATE TABLE tab3;
Table Create Table
tab3 CREATE TABLE `tab3` (
`empno` int DEFAULT NULL,
`ename` varchar(30) DEFAULT NULL,
`sal` decimal(3,0) DEFAULT NULL,
`c3` varchar(15) DEFAULT NULL,
KEY `ix1` (`ename`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPRESSED
/*!50100 PARTITION BY HASH (`empno`)
(PARTITION P0 DATA DIRECTORY = 'db_directory1/db1/../part0' ENGINE = InnoDB,
PARTITION P1 DATA DIRECTORY = 'db_directory1/db1/../part1' ENGINE = InnoDB) */
SHOW CREATE TABLE purchase;
Table Create Table
purchase CREATE TABLE `purchase` (
`id` int DEFAULT NULL,
`purchased` date DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (year(`purchased`))
SUBPARTITION BY HASH (to_days(`purchased`))
(PARTITION p0 VALUES LESS THAN (1990)
(SUBPARTITION s0 DATA DIRECTORY = 'db_directory1/db1/../datadir1' ENGINE = InnoDB,
SUBPARTITION s1 DATA DIRECTORY = 'db_directory1/db1/../datadir1' ENGINE = InnoDB),
PARTITION p1 VALUES LESS THAN (2000)
(SUBPARTITION s2 DATA DIRECTORY = '../part2' ENGINE = InnoDB,
SUBPARTITION s3 DATA DIRECTORY = '../part3' ENGINE = InnoDB)) */
SHOW CREATE TABLE tab4;
Table Create Table
tab4 CREATE TABLE `tab4` (
`c1` int DEFAULT NULL,
`c2` varchar(10) DEFAULT NULL,
`c3` varchar(15) DEFAULT NULL
) /*!50100 TABLESPACE `ts2` */ ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
## Stop DB server after scan DIR
## restart the server with --datadir and innodb-directories
## Check new datadir
SELECT @@datadir;
@@datadir
NEW_DATADIR/db1/
SELECT @@innodb_undo_directory;
@@innodb_undo_directory
UNDO_FILES/undo_files
SELECT @@innodb_data_home_dir;
@@innodb_data_home_dir
DATA_HOME/data_home
SELECT @@innodb_log_group_home_dir;
@@innodb_log_group_home_dir
DATA_HOME_DIR/data_home
SELECT @@innodb_data_file_path;
@@innodb_data_file_path
data01:20M;data02:20M:autoextend
SELECT @@innodb_undo_tablespaces;
@@innodb_undo_tablespaces
2
SHOW CREATE TABLE tab3;
Table Create Table
tab3 CREATE TABLE `tab3` (
`empno` int DEFAULT NULL,
`ename` varchar(30) DEFAULT NULL,
`sal` decimal(3,0) DEFAULT NULL,
`c3` varchar(15) DEFAULT NULL,
KEY `ix1` (`ename`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=COMPRESSED
/*!50100 PARTITION BY HASH (`empno`)
(PARTITION P0 DATA DIRECTORY = 'db_directory1/db1/../part0' ENGINE = InnoDB,
PARTITION P1 DATA DIRECTORY = 'db_directory1/db1/../part1' ENGINE = InnoDB) */
SHOW CREATE TABLE purchase;
Table Create Table
purchase CREATE TABLE `purchase` (
`id` int DEFAULT NULL,
`purchased` date DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (year(`purchased`))
SUBPARTITION BY HASH (to_days(`purchased`))
(PARTITION p0 VALUES LESS THAN (1990)
(SUBPARTITION s0 DATA DIRECTORY = 'db_directory1/db1/../datadir1' ENGINE = InnoDB,
SUBPARTITION s1 DATA DIRECTORY = 'db_directory1/db1/../datadir1' ENGINE = InnoDB),
PARTITION p1 VALUES LESS THAN (2000)
(SUBPARTITION s2 DATA DIRECTORY = '../part2' ENGINE = InnoDB,
SUBPARTITION s3 DATA DIRECTORY = '../part3' ENGINE = InnoDB)) */
SHOW CREATE TABLE tab4;
Table Create Table
tab4 CREATE TABLE `tab4` (
`c1` int DEFAULT NULL,
`c2` varchar(10) DEFAULT NULL,
`c3` varchar(15) DEFAULT NULL
) /*!50100 TABLESPACE `ts2` */ ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
## Check with DML operations
DELETE FROM tab1;
DELETE FROM tab2;
DELETE FROM tab3;
DELETE FROM tab4;
DELETE FROM purchase;
ALTER TABLE tab3 ADD COLUMN c4 VARCHAR(15);
ALTER TABLE tab4 DROP COLUMN c3;
INSERT INTO tab1 VALUES(1, 'VISH');
INSERT INTO tab2 VALUES(2, 'VISH');
INSERT INTO tab3 VALUES (100,'VISWANATH',100,'Test1','Check1');
INSERT INTO tab3 VALUES (300,'VISWANATH',100,'Test2','Check2');
INSERT INTO tab4 VALUES(2, 'VISH');
INSERT INTO purchase VALUES(1,'1980-05-31');
INSERT INTO purchase VALUES(2,'1999-05-31');
INSERT INTO purchase VALUES(3,'1998-05-31');
INSERT INTO purchase VALUES(4,'1979-05-31');
INSERT INTO purchase VALUES(5,'1978-05-31');
INSERT INTO purchase VALUES(6,'1997-05-31');
SELECT * FROM tab1;
c1 c2
1 VISH
SELECT * FROM tab2;
c1 c2
2 VISH
SELECT * FROM tab3;
empno ename sal c3 c4
100 VISWANATH 100 Test1 Check1
300 VISWANATH 100 Test2 Check2
SELECT * FROM tab4;
c1 c2
2 VISH
DROP TABLE tab1;
DROP TABLE tab2;
DROP TABLE tab3;
DROP TABLE tab4;
DROP TABLE purchase;
DROP TABLESPACE ts2;
## Stop DB server for clean up
## Cleanup the Windows --datadir location and its *.ibd file location
## Restart the server with MTR default location
# restart: --datadir=OLD_DATADIR
SELECT @@datadir;
@@datadir
OLD_DATADIR
SELECT * FROM tab;
c1
10
DROP TABLE tab;
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