MySQL错误Incorrect file format解决方案

一台mysql 服务器，机器意外重启后，N个表报错，想必你已经知道库的引擎是myisam 的了，太悲催，太蛋碎了，先看看报错信息：

mysql> desc PARTITION_KEYS;
ERROR 130 (HY000): Incorrect file format 'PARTITION_KEYS'
mysql> check table PARTITION_KEYS;
+-------------------------+-------+----------+----------------------------------------+
| Table                   | Op    | Msg_type | Msg_text                               |
+-------------------------+-------+----------+----------------------------------------+
| hivedbwm.PARTITION_KEYS | check | Error    | Incorrect file format 'PARTITION_KEYS' |
| hivedbwm.PARTITION_KEYS | check | error    | Corrupt                                |
+-------------------------+-------+----------+----------------------------------------+
2 rows in set (0.00 sec)

执行REPAIR TABLE table_name USE_FRM; 修复：

mysql> REPAIR TABLE PARTITION_KEYS USE_FRM;
+-------------------------+--------+----------+----------+
| Table                   | Op     | Msg_type | Msg_text |
+-------------------------+--------+----------+----------+
| hivedbwm.PARTITION_KEYS | repair | status   | OK       |
+-------------------------+--------+----------+----------+
1 row in set (0.02 sec)

mysql> desc PARTITION_KEYS;
+--------------+---------------+------+-----+---------+-------+
| Field        | Type          | Null | Key | Default | Extra |
+--------------+---------------+------+-----+---------+-------+
| TBL_ID       | bigint(20)    | NO   | PRI | NULL    |       |
| PKEY_COMMENT | varchar(4000) | YES  |     | NULL    |       |
| PKEY_NAME    | varchar(128)  | NO   | PRI | NULL    |       |
| PKEY_TYPE    | varchar(767)  | NO   |     | NULL    |       |
| INTEGER_IDX  | int(11)       | NO   |     | NULL    |       |
+--------------+---------------+------+-----+---------+-------+
5 rows in set (0.02 sec)

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