drop table if exists t1,t2,t3,t4; create table t1 (a int not null,b int not null,c int not null, primary key(a,b)) partition by list (b*a) (partition x1 values in (1) tablespace ts1, partition x2 values in (3, 11, 5, 7) tablespace ts2, partition x3 values in (16, 8, 5+19, 70-43) tablespace ts3); select * from information_schema.partitions where table_schema="test" and table_name="t1"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME NULL test t1 x1 NULL 1 NULL LIST NULL b*a NULL 1 0 0 0 # 1024 0 # # NULL NULL default 0 ts1 NULL test t1 x2 NULL 2 NULL LIST NULL b*a NULL 3,11,5,7 0 0 0 # 1024 0 # # NULL NULL default 0 ts2 NULL test t1 x3 NULL 3 NULL LIST NULL b*a NULL 16,8,24,27 0 0 0 # 1024 0 # # NULL NULL default 0 ts3 create table t2 (a int not null,b int not null,c int not null, primary key(a,b)) partition by range (a) partitions 3 (partition x1 values less than (5) tablespace ts1, partition x2 values less than (10) tablespace ts2, partition x3 values less than maxvalue tablespace ts3); select * from information_schema.partitions where table_schema="test" and table_name="t2"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME NULL test t2 x1 NULL 1 NULL RANGE NULL a NULL 5 0 0 0 # 1024 0 # # NULL NULL default 0 ts1 NULL test t2 x2 NULL 2 NULL RANGE NULL a NULL 10 0 0 0 # 1024 0 # # NULL NULL default 0 ts2 NULL test t2 x3 NULL 3 NULL RANGE NULL a NULL MAXVALUE 0 0 0 # 1024 0 # # NULL NULL default 0 ts3 create table t3 (f1 date) partition by hash(month(f1)) partitions 3; select * from information_schema.partitions where table_schema="test" and table_name="t3"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME NULL test t3 p0 NULL 1 NULL HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default 0 default NULL test t3 p1 NULL 2 NULL HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default 0 default NULL test t3 p2 NULL 3 NULL HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default 0 default create table t4 (f1 date, f2 int) partition by key(f1,f2) partitions 3; select * from information_schema.partitions where table_schema="test" and table_name="t4"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME NULL test t4 p0 NULL 1 NULL KEY NULL f1,f2 NULL NULL 0 0 0 # 1024 0 # # NULL NULL default 0 default NULL test t4 p1 NULL 2 NULL KEY NULL f1,f2 NULL NULL 0 0 0 # 1024 0 # # NULL NULL default 0 default NULL test t4 p2 NULL 3 NULL KEY NULL f1,f2 NULL NULL 0 0 0 # 1024 0 # # NULL NULL default 0 default drop table t1,t2,t3,t4; create table t1 (a int not null,b int not null,c int not null,primary key (a,b)) partition by range (a) subpartition by hash (a+b) ( partition x1 values less than (1) ( subpartition x11 tablespace t1, subpartition x12 tablespace t2), partition x2 values less than (5) ( subpartition x21 tablespace t1, subpartition x22 tablespace t2) ); create table t2 (a int not null,b int not null,c int not null,primary key (a,b)) partition by range (a) subpartition by key (a) ( partition x1 values less than (1) ( subpartition x11 tablespace t1, subpartition x12 tablespace t2), partition x2 values less than (5) ( subpartition x21 tablespace t1, subpartition x22 tablespace t2) ); select * from information_schema.partitions where table_schema="test"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME NULL test t1 x1 x11 1 1 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL default 0 t1 NULL test t1 x1 x12 1 2 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL default 0 t2 NULL test t1 x2 x21 2 1 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default 0 t1 NULL test t1 x2 x22 2 2 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default 0 t2 NULL test t2 x1 x11 1 1 RANGE KEY a a 1 0 0 0 # 1024 0 # # NULL NULL default 0 t1 NULL test t2 x1 x12 1 2 RANGE KEY a a 1 0 0 0 # 1024 0 # # NULL NULL default 0 t2 NULL test t2 x2 x21 2 1 RANGE KEY a a 5 0 0 0 # 1024 0 # # NULL NULL default 0 t1 NULL test t2 x2 x22 2 2 RANGE KEY a a 5 0 0 0 # 1024 0 # # NULL NULL default 0 t2 drop table t1,t2; create table t1 ( a int not null, b int not null, c int not null, primary key (a,b)) partition by range (a) subpartition by hash (a+b) ( partition x1 values less than (1) ( subpartition x11 tablespace t1 nodegroup 0, subpartition x12 tablespace t2 nodegroup 1), partition x2 values less than (5) ( subpartition x21 tablespace t1 nodegroup 0, subpartition x22 tablespace t2 nodegroup 1) ); select * from information_schema.partitions where table_schema="test"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME NULL test t1 x1 x11 1 1 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL default 0 t1 NULL test t1 x1 x12 1 2 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL default 1 t2 NULL test t1 x2 x21 2 1 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default 0 t1 NULL test t1 x2 x22 2 2 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default 1 t2 show tables; Tables_in_test t1 drop table t1; create table t1(f1 int, f2 int); select * from information_schema.partitions where table_schema="test"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME NULL test t1 NULL NULL NULL NULL NULL NULL NULL NULL NULL 0 0 0 # 1024 0 # # NULL NULL 0 drop table t1; create table t1 (f1 date) partition by linear hash(month(f1)) partitions 3; select * from information_schema.partitions where table_schema="test" and table_name="t1"; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME PARTITION_NAME SUBPARTITION_NAME PARTITION_ORDINAL_POSITION SUBPARTITION_ORDINAL_POSITION PARTITION_METHOD SUBPARTITION_METHOD PARTITION_EXPRESSION SUBPARTITION_EXPRESSION PARTITION_DESCRIPTION TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE CREATE_TIME UPDATE_TIME CHECK_TIME CHECKSUM PARTITION_COMMENT NODEGROUP TABLESPACE_NAME NULL test t1 p0 NULL 1 NULL LINEAR HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default 0 default NULL test t1 p1 NULL 2 NULL LINEAR HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default 0 default NULL test t1 p2 NULL 3 NULL LINEAR HASH NULL month(f1) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default 0 default drop table t1;