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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 def test t1 x1 NULL 1 NULL LIST NULL `b` * `a` NULL 1 0 0 0 # 1024 0 # # NULL NULL default NULL def test t1 x2 NULL 2 NULL LIST NULL `b` * `a` NULL 3,11,5,7 0 0 0 # 1024 0 # # NULL NULL default NULL def test t1 x3 NULL 3 NULL LIST NULL `b` * `a` NULL 16,8,24,27 0 0 0 # 1024 0 # # NULL NULL default NULL 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 def test t2 x1 NULL 1 NULL RANGE NULL `a` NULL 5 0 0 0 # 1024 0 # # NULL NULL default NULL def test t2 x2 NULL 2 NULL RANGE NULL `a` NULL 10 0 0 0 # 1024 0 # # NULL NULL default NULL def test t2 x3 NULL 3 NULL RANGE NULL `a` NULL MAXVALUE 0 0 0 # 1024 0 # # NULL NULL default NULL 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 def test t3 p0 NULL 1 NULL HASH NULL month(`f1`) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL def test t3 p1 NULL 2 NULL HASH NULL month(`f1`) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL def test t3 p2 NULL 3 NULL HASH NULL month(`f1`) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL 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 def test t4 p0 NULL 1 NULL KEY NULL `f1`,`f2` NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL def test t4 p1 NULL 2 NULL KEY NULL `f1`,`f2` NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL def test t4 p2 NULL 3 NULL KEY NULL `f1`,`f2` NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL 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" order by table_name, partition_name; 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 def test t1 x1 x11 1 1 RANGE HASH `a` `a` + `b` 1 0 0 0 # 1024 0 # # NULL NULL default NULL def test t1 x1 x12 1 2 RANGE HASH `a` `a` + `b` 1 0 0 0 # 1024 0 # # NULL NULL default NULL def test t1 x2 x21 2 1 RANGE HASH `a` `a` + `b` 5 0 0 0 # 1024 0 # # NULL NULL default NULL def test t1 x2 x22 2 2 RANGE HASH `a` `a` + `b` 5 0 0 0 # 1024 0 # # NULL NULL default NULL def test t2 x1 x11 1 1 RANGE KEY `a` `a` 1 0 0 0 # 1024 0 # # NULL NULL default NULL def test t2 x1 x12 1 2 RANGE KEY `a` `a` 1 0 0 0 # 1024 0 # # NULL NULL default NULL def test t2 x2 x21 2 1 RANGE KEY `a` `a` 5 0 0 0 # 1024 0 # # NULL NULL default NULL def test t2 x2 x22 2 2 RANGE KEY `a` `a` 5 0 0 0 # 1024 0 # # NULL NULL default NULL 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 def test t1 x1 x11 1 1 RANGE HASH `a` `a` + `b` 1 0 0 0 # 1024 0 # # NULL NULL 0 NULL def test t1 x1 x12 1 2 RANGE HASH `a` `a` + `b` 1 0 0 0 # 1024 0 # # NULL NULL 1 NULL def test t1 x2 x21 2 1 RANGE HASH `a` `a` + `b` 5 0 0 0 # 1024 0 # # NULL NULL 0 NULL def test t1 x2 x22 2 2 RANGE HASH `a` `a` + `b` 5 0 0 0 # 1024 0 # # NULL NULL 1 NULL 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 def test t1 NULL NULL NULL NULL NULL NULL NULL NULL NULL 0 0 0 # 1024 0 # # NULL NULL NULL 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 def test t1 p0 NULL 1 NULL LINEAR HASH NULL month(`f1`) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL def test t1 p1 NULL 2 NULL LINEAR HASH NULL month(`f1`) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL def test t1 p2 NULL 3 NULL LINEAR HASH NULL month(`f1`) NULL NULL 0 0 0 # 1024 0 # # NULL NULL default NULL drop table t1; create table t1 (a int) PARTITION BY RANGE (a) SUBPARTITION BY LINEAR HASH (a) (PARTITION p0 VALUES LESS THAN (10)); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PARTITION BY RANGE (`a`) SUBPARTITION BY LINEAR HASH (`a`) (PARTITION `p0` VALUES LESS THAN (10) ENGINE = MyISAM) select SUBPARTITION_METHOD FROM information_schema.partitions WHERE table_schema="test" AND table_name="t1"; SUBPARTITION_METHOD LINEAR HASH drop table t1; create table t1 (a int) PARTITION BY LIST (a) (PARTITION p0 VALUES IN (10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31, 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53)); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PARTITION BY LIST (`a`) (PARTITION `p0` VALUES IN (10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53) ENGINE = MyISAM) SELECT PARTITION_DESCRIPTION FROM information_schema.partitions WHERE table_schema = "test" AND table_name = "t1"; PARTITION_DESCRIPTION 10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53 drop table t1; drop table if exists t1; create table t1 (f1 int key) partition by key(f1) partitions 2; select create_options from information_schema.tables where table_schema="test"; create_options partitioned drop table t1; # # MDEV-11353 - Identical logical conditions # CREATE TABLE t1(a INT) CHECKSUM=1 SELECT 1; SELECT CHECKSUM FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'; CHECKSUM 3036305396 DROP TABLE t1;