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Re: Partitioning causes duplicate key error
Posted by: Mikael Ronström
Date: May 27, 2006 08:06AM

Hi,
I tried this in the latest bk tree and the behaviour was the
expected so it's also fixed by the bug fix I previously
mentioned.

Rgrds Mikael


fz wsc wrote:
> So I add "KEY" in the "create table" statement:
>
> CREATE TABLE `t1` (
> `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
> `p1` varchar(50) NOT NULL,
> KEY(`id`)
> ) ENGINE=InnoDB DEFAULT CHARSET=utf8
> ROW_FORMAT=DYNAMIC AUTO_INCREMENT=1
> COLLATE utf8_general_ci
> PARTITION BY LINEAR KEY(`p1`)
> PARTITIONS 4;
>
>
> =============== the result is wrong apparently
> ===========
> mysql> insert into t1 values(null,'abc');
> Query OK, 1 row affected (0.00 sec)
>
> mysql> insert into t1 values(null,'abc');
> Query OK, 1 row affected (0.00 sec)
>
> mysql> insert into t1 values(null,'abc');
> Query OK, 1 row affected (0.00 sec)
>
> mysql> insert into t1 values(null,'abc');
> Query OK, 1 row affected (0.00 sec)
>
> mysql> insert into t1 values(null,'abc');
> Query OK, 1 row affected (0.00 sec)
>
> mysql> insert into t1 values(null,'abc');
> Query OK, 1 row affected (0.01 sec)
>
> mysql> insert into t1 values(null,'abc');
> Query OK, 1 row affected (0.00 sec)
>
> mysql> select * from t1;
> +----+-----+
> | id | p1 |
> +----+-----+
> | 1 | abc |
> | 1 | abc |
> | 1 | abc |
> | 1 | abc |
> | 1 | abc |
> | 1 | abc |
> | 1 | abc |
> +----+-----+
> 7 rows in set (0.01 sec)
>
> mysql>

Mikael Ronstrom
Senior Software Architect, MySQL AB
My blog: http://mikaelronstrom.blogspot.com

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Re: Partitioning causes duplicate key error
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