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SET default_storage_engine=InnoDB;
SET SESSION innodb_strict_mode = ON;
SET GLOBAL innodb_file_per_table=ON;
#
# CREATE a table with SUBPARTITIONS
#
CREATE TABLE emp (
id INT NOT NULL,
store_name VARCHAR(30),
parts VARCHAR(30),
store_id INT
) engine InnoDB
PARTITION BY RANGE(store_id) SUBPARTITION BY HASH(store_id)
(
PARTITION northeast VALUES LESS THAN (50)
DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_northeast'
(SUBPARTITION ne0, SUBPARTITION ne1),
PARTITION southwest VALUES LESS THAN (100)
DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_southwest'
(SUBPARTITION sw2, SUBPARTITION sw3)
);
INSERT INTO emp values(1,'Oracle','NUT',10);
INSERT INTO emp values(2,'SAP','BOLT',40);
INSERT INTO emp values(3,'IBM','NAIL',60);
INSERT INTO emp values(4,'SUN','SCREW',90);
SELECT * FROM emp;
id store_name parts store_id
1 Oracle NUT 10
2 SAP BOLT 40
3 IBM NAIL 60
4 SUN SCREW 90
SHOW CREATE TABLE emp;
Table Create Table
emp CREATE TABLE `emp` (
`id` int(11) NOT NULL,
`store_name` varchar(30) DEFAULT NULL,
`parts` varchar(30) DEFAULT NULL,
`store_id` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (store_id)
SUBPARTITION BY HASH (store_id)
(PARTITION northeast VALUES LESS THAN (50)
(SUBPARTITION ne0 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_northeast/' ENGINE = InnoDB,
SUBPARTITION ne1 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_northeast/' ENGINE = InnoDB),
PARTITION southwest VALUES LESS THAN (100)
(SUBPARTITION sw2 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_southwest/' ENGINE = InnoDB,
SUBPARTITION sw3 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_southwest/' ENGINE = InnoDB)) */
=== information_schema.innodb_sys_tables and innodb_sys_tablespaces ===
Table Name Tablespace Table Flags Columns Row Format Zip Size Space Type
test/emp#p#northeast#sp#ne0 test/emp#p#northeast#sp#ne0 97 7 Dynamic 0 Single
test/emp#p#northeast#sp#ne1 test/emp#p#northeast#sp#ne1 97 7 Dynamic 0 Single
test/emp#p#southwest#sp#sw2 test/emp#p#southwest#sp#sw2 97 7 Dynamic 0 Single
test/emp#p#southwest#sp#sw3 test/emp#p#southwest#sp#sw3 97 7 Dynamic 0 Single
=== information_schema.innodb_sys_tablespaces and innodb_sys_datafiles ===
Space_Name Space_Type Page_Size Zip_Size Formats_Permitted Path
test/emp#p#northeast#sp#ne0 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_northeast/test/emp#p#northeast#sp#ne0.ibd
test/emp#p#northeast#sp#ne1 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_northeast/test/emp#p#northeast#sp#ne1.ibd
test/emp#p#southwest#sp#sw2 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_southwest/test/emp#p#southwest#sp#sw2.ibd
test/emp#p#southwest#sp#sw3 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_southwest/test/emp#p#southwest#sp#sw3.ibd
=== information_schema.files ===
Space_Name File_Type Engine Status Tablespace_Name Path
test/emp#p#northeast#sp#ne0 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_northeast/test/emp#p#northeast#sp#ne0.ibd
test/emp#p#northeast#sp#ne1 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_northeast/test/emp#p#northeast#sp#ne1.ibd
test/emp#p#southwest#sp#sw2 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_southwest/test/emp#p#southwest#sp#sw2.ibd
test/emp#p#southwest#sp#sw3 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_southwest/test/emp#p#southwest#sp#sw3.ibd
---- MYSQLD_DATADIR/test
emp#p#northeast#sp#ne0.isl
emp#p#northeast#sp#ne1.isl
emp#p#southwest#sp#sw2.isl
emp#p#southwest#sp#sw3.isl
emp.frm
---- MYSQL_TMP_DIR/alt_dir_northeast/test
emp#p#northeast#sp#ne0.ibd
emp#p#northeast#sp#ne1.ibd
---- MYSQL_TMP_DIR/alt_dir_southwest/test
emp#p#southwest#sp#sw2.ibd
emp#p#southwest#sp#sw3.ibd
#
# REORGANIZE the PARTITIONS and SUBPARTITIONS
#
ALTER TABLE emp REORGANIZE PARTITION northeast INTO
(
PARTITION east VALUES LESS THAN (25)
DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_east'
(SUBPARTITION e0, SUBPARTITION e1),
PARTITION north VALUES LESS THAN (50)
DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_north'
(SUBPARTITION n0, SUBPARTITION n1)
);
ALTER TABLE emp REORGANIZE PARTITION southwest INTO
(
PARTITION west VALUES LESS THAN (75)
DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_west'
(SUBPARTITION w0, SUBPARTITION w1),
PARTITION south VALUES LESS THAN (100)
DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_south'
(SUBPARTITION s0, SUBPARTITION s1)
);
SELECT * FROM emp;
id store_name parts store_id
1 Oracle NUT 10
2 SAP BOLT 40
3 IBM NAIL 60
4 SUN SCREW 90
SHOW CREATE TABLE emp;
Table Create Table
emp CREATE TABLE `emp` (
`id` int(11) NOT NULL,
`store_name` varchar(30) DEFAULT NULL,
`parts` varchar(30) DEFAULT NULL,
`store_id` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY RANGE (store_id)
SUBPARTITION BY HASH (store_id)
(PARTITION east VALUES LESS THAN (25)
(SUBPARTITION e0 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_east' ENGINE = InnoDB,
SUBPARTITION e1 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_east' ENGINE = InnoDB),
PARTITION north VALUES LESS THAN (50)
(SUBPARTITION n0 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_north' ENGINE = InnoDB,
SUBPARTITION n1 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_north' ENGINE = InnoDB),
PARTITION west VALUES LESS THAN (75)
(SUBPARTITION w0 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_west' ENGINE = InnoDB,
SUBPARTITION w1 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_west' ENGINE = InnoDB),
PARTITION south VALUES LESS THAN (100)
(SUBPARTITION s0 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_south' ENGINE = InnoDB,
SUBPARTITION s1 DATA DIRECTORY = 'MYSQL_TMP_DIR/alt_dir_south' ENGINE = InnoDB)) */
=== information_schema.innodb_sys_tables and innodb_sys_tablespaces ===
Table Name Tablespace Table Flags Columns Row Format Zip Size Space Type
test/emp#p#east#sp#e0 test/emp#p#east#sp#e0 97 7 Dynamic 0 Single
test/emp#p#east#sp#e1 test/emp#p#east#sp#e1 97 7 Dynamic 0 Single
test/emp#p#north#sp#n0 test/emp#p#north#sp#n0 97 7 Dynamic 0 Single
test/emp#p#north#sp#n1 test/emp#p#north#sp#n1 97 7 Dynamic 0 Single
test/emp#p#south#sp#s0 test/emp#p#south#sp#s0 97 7 Dynamic 0 Single
test/emp#p#south#sp#s1 test/emp#p#south#sp#s1 97 7 Dynamic 0 Single
test/emp#p#west#sp#w0 test/emp#p#west#sp#w0 97 7 Dynamic 0 Single
test/emp#p#west#sp#w1 test/emp#p#west#sp#w1 97 7 Dynamic 0 Single
=== information_schema.innodb_sys_tablespaces and innodb_sys_datafiles ===
Space_Name Space_Type Page_Size Zip_Size Formats_Permitted Path
test/emp#p#east#sp#e0 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_east/test/emp#p#east#sp#e0.ibd
test/emp#p#east#sp#e1 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_east/test/emp#p#east#sp#e1.ibd
test/emp#p#north#sp#n0 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_north/test/emp#p#north#sp#n0.ibd
test/emp#p#north#sp#n1 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_north/test/emp#p#north#sp#n1.ibd
test/emp#p#west#sp#w0 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_west/test/emp#p#west#sp#w0.ibd
test/emp#p#west#sp#w1 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_west/test/emp#p#west#sp#w1.ibd
test/emp#p#south#sp#s0 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_south/test/emp#p#south#sp#s0.ibd
test/emp#p#south#sp#s1 Single DEFAULT 0 Dynamic MYSQL_TMP_DIR/alt_dir_south/test/emp#p#south#sp#s1.ibd
=== information_schema.files ===
Space_Name File_Type Engine Status Tablespace_Name Path
test/emp#p#east#sp#e0 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_east/test/emp#p#east#sp#e0.ibd
test/emp#p#east#sp#e1 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_east/test/emp#p#east#sp#e1.ibd
test/emp#p#north#sp#n0 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_north/test/emp#p#north#sp#n0.ibd
test/emp#p#north#sp#n1 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_north/test/emp#p#north#sp#n1.ibd
test/emp#p#west#sp#w0 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_west/test/emp#p#west#sp#w0.ibd
test/emp#p#west#sp#w1 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_west/test/emp#p#west#sp#w1.ibd
test/emp#p#south#sp#s0 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_south/test/emp#p#south#sp#s0.ibd
test/emp#p#south#sp#s1 TABLESPACE InnoDB NORMAL innodb_file_per_table.## MYSQL_TMP_DIR/alt_dir_south/test/emp#p#south#sp#s1.ibd
---- MYSQLD_DATADIR/test
emp#p#east#sp#e0.isl
emp#p#east#sp#e1.isl
emp#p#north#sp#n0.isl
emp#p#north#sp#n1.isl
emp#p#south#sp#s0.isl
emp#p#south#sp#s1.isl
emp#p#west#sp#w0.isl
emp#p#west#sp#w1.isl
emp.frm
---- MYSQL_TMP_DIR/alt_dir_northeast/test
---- MYSQL_TMP_DIR/alt_dir_southwest/test
---- MYSQL_TMP_DIR/alt_dir_east/test
emp#p#east#sp#e0.ibd
emp#p#east#sp#e1.ibd
---- MYSQL_TMP_DIR/alt_dir_north/test
emp#p#north#sp#n0.ibd
emp#p#north#sp#n1.ibd
---- MYSQL_TMP_DIR/alt_dir_west/test
emp#p#west#sp#w0.ibd
emp#p#west#sp#w1.ibd
---- MYSQL_TMP_DIR/alt_dir_south/test
emp#p#south#sp#s0.ibd
emp#p#south#sp#s1.ibd
DROP TABLE emp;
#
# Cleanup
#