SQL 错误代码 [1215] [HY000] 通常指的是在尝试创建外键约束时发生了错误。这个错误表明无法添加外键约束。 可能导致“cannot add foreign key constraint”错误的常见原因 数据类型不匹配:外键列和引用列的数据类型必须完全相同。 索引问题:被引用的列(即父表中的列)必须被索引,通常是主键或唯一键。 字
ERROR 1215 (HY000): Cannot add foreign key constraint 最近在建表时遇到了这个错误,然后找了下找到了解决办法,记录下: 本来是要建两张表: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 createtabledepartment( idint, namevarchar(20) ); createtableemployee( idintprimarykeyauto_increment, namevarchar(20...
先保证你的数据库有roles这张表
错误代码 java.sql.SQLException: Cannot add or update a child row: a foreign key constraint fails (book.t_order_item, CONSTRAINTt_order_item_ibfk_1FOREIGN KEY (order_id) REFERENCESt_order(order_id)) Query: insert into t_order_item(name,count,price,total_price,order_id)values(?,?,?,?,...
我正在尝试在 Laravel 中创建外键,但是当我使用 artisan 迁移表时,出现以下错误: SQLSTATE[HY000]: General error: 1215 Cannot add foreign key constraint (SQL: alter table `products` add constraint `products_user_id_foreign` foreign key (`user_id`) references `users` (`id`))这是我的用户迁移<?
外键约束 foreign key 外键约束的要求: 父表和字表必须使用相同的存储引擎,禁止使用临时表; 数据库...
663| catch (Exception $e) { > 664| throw new QueryException( 665| $query, $this->prepareBindings($bindings), $e 666| ); 667| } 668| Exception trace: 1 PDOException::("SQLSTATE[HY000]: General error: 1215 Cannot add foreign key constraint") /home/vagrant/code/laravel-two-factor-...
Cannot add foreign key constraint 1025 0 6 Cannot add or update a child row: a foreign key constraint fails 1302 0 6 Error Code: 1215. Cannot add foreign key constraint 1151 0 3 cannot add foreign key constraint 741 0 6 tb_wechat_auth和tb_local_auth无法创建外键约束 1018 ...
I have tried many methods, considering that this error is from column mismatch, but the problem is that the line format is not set as default. The line format should automatically be dynamic when exporting a foreign key. I've been throug...
mysql--sqlalchemy.exc.IntegrityError: (IntegrityError) (1215, 'Cannot add foreign key constraint' 今天在使用mysql时遇到的问题,最后发现问题是,数据类型与外键数据类型不同,改正过来就没有问题了。