在MySQL中,遇到“specified key was too long; max key length is 3072 bytes”这个错误,通常意味着你尝试创建的索引或主键的长度超过了MySQL所允许的最大键长度。MySQL的InnoDB存储引擎对索引键的长度有具体的限制,这个限制取决于字符集和排序规则(collation)。以下是解决这个问题的几个步骤: 1. 理解MySQL的键长度...
报错信息:指定的key长度超过了3072bytes。 (root@localhost) [zabbix]> CREATE INDEX `index_items_key` ON `items` (`hostid`,`key_info`(1021)); ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes 解决步骤 查看数据库默认字符集是utf8mb4 (root@localhost) [zabbix]>...
key_part: {col_name [(length)] | (expr)} [ASC | DESC] index_option: { KEY_BLOCK_SIZE [=] value | index_type | WITH PARSER parser_name | COMMENT 'string' | {VISIBLE | INVISIBLE} | ENGINE_ATTRIBUTE [=] 'string' | SECONDARY_ENGINE_ATTRIBUTE [=] 'string' } index_type: USING {...
MySQL 5.7 下创建表时出现: ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes 这样的错误提示。 如: ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes (1) 或者: ERROR 1071 (42000): Specified key was too long; max key length is ...
出现这个错误(ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes)的原因是因为 InnoDB 表引擎的限制: 默认情况下,索引前缀长度限制为 767 字节,当开启了 innodb_large_prefix 选项时,索引前缀长度扩展到 3072 字节。
Apache James 使用mysql存储启动报错Specified key was too long; max key length is 3072 bytes 没事捣鼓自建mail服务,作为java开发,肯定想到了java实现。刚好apache就有开源的James(Java Apache Mail Enterprise Server)。下载下来准备试试。 目前最新版是 3.4.0版本。
Polls - Create indices and foreign key constraints ERROR: An exception occurred while executing a query: SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 3072 bytes After deinstalling polls, delete tables and reinstall pools, the same issue...
阿里云数据库RDS迁移时报错:Specified key was too long; max key length is 767 bytes; 报错内容 阿里云数据库RDS迁移时报错:Specifiedkeywastoolong;maxkeylengthis767bytes; 错误分析 由于MySQL的Innodb引擎表...长度是191字符(767字节/4字节每字符≈191字符),因此在varchar(255)或char(255)类型字段上创建索引会...
This error occurs when the length of a string type primary key is added to exceed 768. Failed executing DbCommand (46ms) [Parameters=[], CommandType='Text', CommandTimeout='30'] CREATE TABLE IdentityServerClientSecrets ( Type varchar(250...
Mysql EntityFramework issue - Specified key was too long; max key length is 3072 bytes MySql not working with async methods in a foreach loop "This MySqlConnection is already in use" Namespace problem when generating Razor Pages in VS 2019 Need Help On C# Multi Threading(Dynamic Threads)...