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a6a9774849
Problem was that the mix of handlers was not consistent between
CREATE and ALTER
changed so that it works like:
- All partitions must use the same engine
AND it must be the same as the table.
- if one does NOT specify an engine on the table level
then one must either NOT specify any engine on any
partition/subpartition OR for ALL partitions/subpartitions
Note: that after a table have been created, the storage engine
is specified for all parts of the table (table/partition/subpartition)
and so when using alter, one does not need to specify it (unless one
wants to change the storage engine, then one have to specify it on the
table level)
165 lines
7.9 KiB
Plaintext
165 lines
7.9 KiB
Plaintext
# Bug#32948
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CREATE TABLE t1 (c1 INT, PRIMARY KEY (c1)) ENGINE=INNODB;
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CREATE TABLE t2 (c1 INT, PRIMARY KEY (c1),
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FOREIGN KEY (c1) REFERENCES t1 (c1)
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ON DELETE CASCADE)
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ENGINE=INNODB;
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ALTER TABLE t1 PARTITION BY HASH(c1) PARTITIONS 5;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
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ALTER TABLE t1 ENGINE=MyISAM;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
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DROP TABLE t2;
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DROP TABLE t1;
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create table t1 (a int) engine=innodb partition by hash(a) ;
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show table status like 't1';
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 InnoDB 10 Compact 2 8192 16384 0 0 0 NULL NULL NULL NULL latin1_swedish_ci NULL partitioned
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drop table t1;
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create table t1 (a int)
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engine = innodb
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partition by key (a);
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 InnoDB 10 Compact 2 8192 16384 0 0 0 NULL NULL NULL NULL latin1_swedish_ci NULL partitioned
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insert into t1 values (0), (1), (2), (3);
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 InnoDB 10 Compact 4 4096 16384 0 0 0 NULL NULL NULL NULL latin1_swedish_ci NULL partitioned
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drop table t1;
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create table t1 (a int auto_increment primary key)
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engine = innodb
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partition by key (a);
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 InnoDB 10 Compact 2 8192 16384 0 0 0 1 NULL NULL NULL latin1_swedish_ci NULL partitioned
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insert into t1 values (NULL), (NULL), (NULL), (NULL);
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 InnoDB 10 Compact 4 4096 16384 0 0 0 5 NULL NULL NULL latin1_swedish_ci NULL partitioned
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insert into t1 values (NULL), (NULL), (NULL), (NULL);
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 InnoDB 10 Compact 8 2048 16384 0 0 0 9 NULL NULL NULL latin1_swedish_ci NULL partitioned
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drop table t1;
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create table t1 (a int)
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partition by key (a)
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(partition p1 engine = innodb);
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alter table t1 rebuild partition p1;
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alter table t1 rebuild partition p1;
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alter table t1 rebuild partition p1;
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alter table t1 rebuild partition p1;
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alter table t1 rebuild partition p1;
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alter table t1 rebuild partition p1;
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alter table t1 rebuild partition p1;
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drop table t1;
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create table t1 (a date)
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engine = innodb
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partition by range (year(a))
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(partition p0 values less than (2006),
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partition p1 values less than (2007));
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explain partitions select * from t1
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where a between '2006-01-01' and '2007-06-01';
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id select_type table partitions type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 p1 ALL NULL NULL NULL NULL 2 Using where
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drop table t1;
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create table t1 (a int)
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engine = x
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partition by key (a);
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Warnings:
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Warning 1286 Unknown table engine 'x'
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Warning 1266 Using storage engine MyISAM for table 't1'
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) */
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drop table t1;
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create table t1 (a int)
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engine = innodb
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partition by list (a)
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(partition p0 values in (0));
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alter table t1 engine = x;
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ERROR HY000: The mix of handlers in the partitions is not allowed in this version of MySQL
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 /*!50100 PARTITION BY LIST (a) (PARTITION p0 VALUES IN (0) ENGINE = InnoDB) */
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drop table t1;
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create table t1
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(
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id int unsigned auto_increment,
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time datetime not null,
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first_name varchar(40),
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last_name varchar(50),
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primary key (id, time),
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index first_index (first_name),
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index last_index (last_name)
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) engine=Innodb partition by range (to_days(time)) (
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partition p1 values less than (to_days('2007-02-07')),
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partition p2 values less than (to_days('2007-02-08')),
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partition p3 values less than MAXVALUE
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);
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insert into t1 (time, first_name, last_name) values ('2007-02-07', 'Q', 'Robert'),
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('2007-02-07', 'Mark', 'Nate'), ('2007-02-07', 'Nate', 'Oscar'),
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('2007-02-07', 'Zack', 'Alice'), ('2007-02-07', 'Jack', 'Kathy'),
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('2007-02-06', 'Alice', 'Alice'), ('2007-02-06', 'Brian', 'Charles'),
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('2007-02-06', 'Charles', 'David'), ('2007-02-06', 'David', 'Eric'),
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('2007-02-07', 'Hector', 'Isaac'), ('2007-02-07', 'Oscar', 'Patricia'),
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('2007-02-07', 'Patricia', 'Q'), ('2007-02-07', 'X', 'Yuri'),
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('2007-02-07', 'Robert', 'Shawn'), ('2007-02-07', 'Kathy', 'Lois'),
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('2007-02-07', 'Eric', 'Francis'), ('2007-02-06', 'Shawn', 'Theron'),
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('2007-02-06', 'U', 'Vincent'), ('2007-02-06', 'Francis', 'George'),
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('2007-02-06', 'George', 'Hector'), ('2007-02-06', 'Vincent', 'Walter'),
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('2007-02-06', 'Walter', 'X'), ('2007-02-07', 'Lois', 'Mark'),
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('2007-02-07', 'Yuri', 'Zack'), ('2007-02-07', 'Isaac', 'Jack'),
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('2007-02-07', 'Sharon', 'Mark'), ('2007-02-07', 'Michael', 'Michelle'),
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('2007-02-07', 'Derick', 'Nathan'), ('2007-02-07', 'Peter', 'Xavier'),
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('2007-02-07', 'Fred', 'Harold'), ('2007-02-07', 'Katherine', 'Lisa'),
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('2007-02-07', 'Tom', 'Rina'), ('2007-02-07', 'Jerry', 'Victor'),
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('2007-02-07', 'Alexander', 'Terry'), ('2007-02-07', 'Justin', 'John'),
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('2007-02-07', 'Greg', 'Ernest'), ('2007-02-07', 'Robert', 'Q'),
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('2007-02-07', 'Nate', 'Mark'), ('2007-02-07', 'Oscar', 'Nate'),
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('2007-02-07', 'Alice', 'Zack'), ('2007-02-07', 'Kathy', 'Jack'),
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('2007-02-06', 'Alice', 'Alice'), ('2007-02-06', 'Charles', 'Brian'),
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('2007-02-06', 'David', 'Charles'), ('2007-02-06', 'Eric', 'David'),
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('2007-02-07', 'Isaac', 'Hector'), ('2007-02-07', 'Patricia', 'Oscar'),
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('2007-02-07', 'Q', 'Patricia'), ('2007-02-07', 'Yuri', 'X'),
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('2007-02-07', 'Shawn', 'Robert'), ('2007-02-07', 'Lois', 'Kathy'),
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('2007-02-07', 'Francis', 'Eric'), ('2007-02-06', 'Theron', 'Shawn'),
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('2007-02-06', 'Vincent', 'U'), ('2007-02-06', 'George', 'Francis'),
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('2007-02-06', 'Hector', 'George'), ('2007-02-06', 'Walter', 'Vincent'),
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('2007-02-06', 'X', 'Walter'), ('2007-02-07', 'Mark', 'Lois'),
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('2007-02-07', 'Zack', 'Yuri'), ('2007-02-07', 'Jack', 'Isaac'),
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('2007-02-07', 'Mark', 'Sharon'), ('2007-02-07', 'Michelle', 'Michael'),
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('2007-02-07', 'Nathan', 'Derick'), ('2007-02-07', 'Xavier', 'Peter'),
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('2007-02-07', 'Harold', 'Fred'), ('2007-02-07', 'Lisa', 'Katherine'),
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('2007-02-07', 'Rina', 'Tom'), ('2007-02-07', 'Victor', 'Jerry'),
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('2007-02-07', 'Terry', 'Alexander'), ('2007-02-07', 'John', 'Justin'),
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('2007-02-07', 'Ernest', 'Greg');
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SELECT * FROM t1 WHERE first_name='Andy' OR last_name='Jake';
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id time first_name last_name
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drop table t1;
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CREATE TABLE t1 (a DOUBLE NOT NULL, KEY(a)) ENGINE=InnoDB
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PARTITION BY KEY(a) PARTITIONS 10;
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INSERT INTO t1 VALUES(1),(2);
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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2
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DROP TABLE t1;
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create table t1 (int_column int, char_column char(5))
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PARTITION BY RANGE (int_column) subpartition by key (char_column) subpartitions 2
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(PARTITION p1 VALUES LESS THAN (5) ENGINE = InnoDB);
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alter table t1
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ENGINE = MyISAM
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PARTITION BY RANGE (int_column)
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subpartition by key (char_column) subpartitions 2
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(PARTITION p1 VALUES LESS THAN (5));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`int_column` int(11) DEFAULT NULL,
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`char_column` char(5) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY RANGE (int_column) SUBPARTITION BY KEY (char_column) SUBPARTITIONS 2 (PARTITION p1 VALUES LESS THAN (5) ENGINE = MyISAM) */
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drop table t1;
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