DROP TABLE IF EXISTS t1;
create table t1 (a int)
partition by range (a)
subpartition by key (a)
(partition p0 values less than (10) (subpartition sp00, subpartition sp01),
partition p1 values less than (20) (subpartition sp10, subpartition sp11));
alter table t1 reorganize partition p0 into
(partition p0 values less than (10) (subpartition sp00,
subpartition sp01, subpartition sp02));
ERROR HY000: Wrong number of subpartitions defined, mismatch with previous setting
drop table t1;
CREATE TABLE t1 (f_date DATE, f_varchar VARCHAR(30))
PARTITION BY HASH(CAST(YEAR(f_date) AS SIGNED INTEGER)) PARTITIONS 2;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY HASH (CAST(YEAR(f_date) AS SIGNED INTEGER)) PARTITIONS 2  */
hello/master-data/test/t1#P#p0.MYD
hello/master-data/test/t1#P#p0.MYI
hello/master-data/test/t1#P#p1.MYD
hello/master-data/test/t1#P#p1.MYI
hello/master-data/test/t1.frm
hello/master-data/test/t1.par
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY HASH (CAST(YEAR(f_date) AS SIGNED INTEGER)) PARTITIONS 1  */
hello/master-data/test/t1#P#p0.MYD
hello/master-data/test/t1#P#p0.MYI
hello/master-data/test/t1.frm
hello/master-data/test/t1.par
drop table t1;
create table t1 (a int)
partition by list (a)
subpartition by hash (a)
(partition p11 values in (1,2),
partition p12 values in (3,4));
alter table t1 REORGANIZE partition p11, p12 INTO
(partition p1 values in (1,2,3,4));
alter table t1 REORGANIZE partition p1 INTO
(partition p11 values in (1,2),
partition p12 values in (3,4));
drop table t1;
