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InnoDB: Error: Table "mysql"."inn_MySQL

WBOY
WBOY원래의
2016-06-01 13:16:09984검색

1,Mysqldump的时候报错如下:

2014-05-05 14:12:37 7f004a9a2700 InnoDB: Error: Table "mysql"."innodb_table_stats" not found.

但是show tables我看这个表示存在的:

但是show create table innodb_index_stats;报错如下:

mysql>show create table innodb_index_stats;ERROR 1146 (42S02): Table'mysql.innodb_index_stats' doesn't existmysql>

2,估计是表坏了,去数据库服务器上面的mysql库的目录看下这些表的数据文件:

 

3,看到表的数据文件以及结构文件都存在

然后去找$MYSQL_HOME/share/mysql_system_tables.sql,search到建表语句

打开mysql_system_tables.sql,找到sql,然后执行:

mysql> CREATETABLE IF NOT EXISTS innodb_index_stats (	->		 database_name				 VARCHAR(64) NOT NULL,	->		 table_name					VARCHAR(64) NOT NULL,	->		 index_name					VARCHAR(64) NOT NULL,	->		 last_update					 TIMESTAMP NOT NULL NOTNULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,	->		 stat_name					 VARCHAR(64) NOT NULL,	->		 stat_value					BIGINT UNSIGNED NOT NULL,	->		 sample_size					 BIGINT UNSIGNED,	->		 stat_description				VARCHAR(1024) NOT NULL,	->		 PRIMARY KEY (database_name,table_name, index_name, stat_name)	-> ) ENGINE=INNODB DEFAULT CHARSET=utf8COLLATE=utf8_bin STATS_PERSISTENT=0;ERROR 1146(42S02): Table 'mysql.innodb_index_stats' doesn't existmysql>mysql>

还报错Table 'mysql.innodb_index_stats' doesn'texist,可能是那个判断导致,去掉判断试试:

mysql> CREATETABLE innodb_index_stats (	->		database_name				 VARCHAR(64) NOT NULL,	->		 table_name					VARCHAR(64) NOT NULL,	->		 index_name					VARCHAR(64) NOT NULL,	->		 last_update					 TIMESTAMP NOT NULL NOTNULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,	->		 stat_name					 VARCHAR(64) NOT NULL,	->		 stat_value					BIGINT UNSIGNED NOT NULL,	->		 sample_size					 BIGINT UNSIGNED,	->		 stat_description				VARCHAR(1024) NOT NULL,	->		 PRIMARY KEY (database_name,table_name, index_name, stat_name)	-> ) ENGINE=INNODB DEFAULT CHARSET=utf8COLLATE=utf8_bin STATS_PERSISTENT=0;ERROR 1146(42S02): Table 'mysql.innodb_index_stats' doesn't exist

诡异,不存在还不让create了,是否原来的数据文件存在不过坏了,所以create的时候就报了这样一个诡异的错误呢?

4,去数据库目录看下,果然文件是否已经存在了:

[root@xxx mysql]# ll /home/data/mysql/data/mysql/innodb*-rw-rw----. 1mysql mysql12982 4月 922:24 /home/data/mysql/data/mysql/innodb_index_stats.frm-rw-rw----. 1mysql mysql 180224 5月 6 10:38/home/data/mysql/data/mysql/innodb_index_stats.ibd-rw-rw----. 1mysql mysql 8830 4月 922:24 /home/data/mysql/data/mysql/innodb_table_stats.frm-rw-rw----. 1mysql mysql98304 5月 610:38 /home/data/mysql/data/mysql/innodb_table_stats.ibd[root@db-m2-slave-1mysql]#

如果是myisam表还可以用命令修复一下,但是innnodb,就只好重启数据库试试,restart之后,进入mysql库:

mysql> descinnodb_index_stats;ERROR 1146(42S02): Table 'mysql.innodb_index_stats' doesn't exist

还是报错,那就只有drop操作:

mysql> droptable mysql.innodb_index_stats;ERROR 1051(42S02): Unknown table 'mysql.innodb_index_stats'mysql>mysql>

5,RM操作删除掉旧的坏的数据表文件

drop还是报错,最后看来只有一招了,rm -rf掉原来已经存在坏掉的不能加载的innodb_index_stats文件,再重新create了。

rm -rf/home/data/mysql/data/mysql/innodb*

rm后再登陆mysql执行create操作。

mysql> usemysql;Database changedmysql>mysql>CREATE TABLE innodb_index_stats (	->			 database_name				 VARCHAR(64) NOT NULL,	->			 table_name					VARCHAR(64) NOT NULL,	->			 index_name					VARCHAR(64) NOT NULL,	->			 last_update					 TIMESTAMP NOT NULL NOTNULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,	->			 stat_name					 VARCHAR(64) NOT NULL,	->			 stat_value					BIGINT UNSIGNED NOT NULL,	->			 sample_size					 BIGINT UNSIGNED,	->			 stat_description				VARCHAR(1024) NOT NULL,	->			 PRIMARY KEY (database_name,table_name, index_name, stat_name)	->	) ENGINE=INNODB DEFAULT CHARSET=utf8 COLLATE=utf8_binSTATS_PERSISTENT=0;Query OK, 0 rowsaffected (0.02 sec)

创建innodb_index_stats成功了。最后执行原来的mysqldump备份操作,一切正常。

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