CREATE TABLE `rol_users_2` (
`roleid` bigint unsigned NOT NULL,
`name` varchar(255) DEFAULT '' NOT NULL,
`type` integer DEFAULT '0' NOT NULL,
`readonly` integer DEFAULT '0' NOT NULL,
PRIMARY KEY (roleid)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
CREATE UNIQUE INDEX `role_1` ON `rol_users_2` (`name`);
在创建role_1 索引的时候,报错SQL 错误 [1709] [HY000]: (conn=6991) Index column size too large. The maximum column size is 767 bytes.
如何解决呢,只要建表的时候,添加关键词就行了row_format=DYNAMIC;
CREATE TABLE `rol_users` (
`roleid` bigint unsigned NOT NULL,
`name` varchar(255) DEFAULT '' NOT NULL,
`type` integer DEFAULT '0' NOT NULL,
`readonly` integer DEFAULT '0' NOT NULL,
PRIMARY KEY (roleid)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 row_format=DYNAMIC;
2. 如果建表语句继续报错,添加mysql全局权限
set @@global.innodb_file_format = Barracuda
set @@global.innodb_file_per_table = on
set @@global.innodb_default_row_format = dynamic
set @@global.innodb_large_prefix = 1
set @@global.innodb_file_format_max = Barracuda
或者修改配置文件mariadb
/etc/mysql/mariadb.conf.d/xxx.server.cnf
[mariadb]
innodb_file_format = Barracuda
innodb_file_per_table = on
innodb_default_row_format = dynamic
innodb_large_prefix = 1
innodb_file_format_max = Barracuda
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