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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 ts1
def test t1 x2 NULL 2 NULL LIST NULL b*a NULL 3,11,5,7 0 0 0 # 1024 0 # # NULL NULL default ts2
def test t1 x3 NULL 3 NULL LIST NULL b*a NULL 16,8,24,27 0 0 0 # 1024 0 # # NULL NULL default 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
def test t2 x1 NULL 1 NULL RANGE NULL a NULL 5 0 0 0 # 1024 0 # # NULL NULL default ts1
def test t2 x2 NULL 2 NULL RANGE NULL a NULL 10 0 0 0 # 1024 0 # # NULL NULL default ts2
def test t2 x3 NULL 3 NULL RANGE NULL a NULL MAXVALUE 0 0 0 # 1024 0 # # NULL NULL default 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
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";
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 t1
def test t1 x1 x12 1 2 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL default t2
def test t1 x2 x21 2 1 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default t1
def test t1 x2 x22 2 2 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL default t2
def test t2 x1 x11 1 1 RANGE KEY a `a` 1 0 0 0 # 1024 0 # # NULL NULL default t1
def test t2 x1 x12 1 2 RANGE KEY a `a` 1 0 0 0 # 1024 0 # # NULL NULL default t2
def test t2 x2 x21 2 1 RANGE KEY a `a` 5 0 0 0 # 1024 0 # # NULL NULL default t1
def test t2 x2 x22 2 2 RANGE KEY a `a` 5 0 0 0 # 1024 0 # # NULL NULL default 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
def test t1 x1 x11 1 1 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL 0 t1
def test t1 x1 x12 1 2 RANGE HASH a a+b 1 0 0 0 # 1024 0 # # NULL NULL 1 t2
def test t1 x2 x21 2 1 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL 0 t1
def test t1 x2 x22 2 2 RANGE HASH a a+b 5 0 0 0 # 1024 0 # # NULL NULL 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
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
/*!50100 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
/*!50100 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;
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