Laravel Version 10.28.0 PHP Version 8.2.11 Database Driver & Version 10.10.2-MariaDB-1:10.10.2+maria~ubu220 Description We encounter that DB::transactionLevel() shows an incorrect level after a DDL operation was done, which does commit i...
首先根据 database 的配置生成 PDO 创建连接需要的 dsn 字符串 合并PDO 的设置项,设置项都是以 PDO::ATTR_xxxx 开头,具体可以查看 php 手册 创建PDO 连接 执行use ${database} 选择数据库 如果设置了 isolation_level ,会执行 SET SESSION TRANSACTION ISOLATION LEVEL 设置事务的级别 set names 设置连接的字符...
while for DB::transaction() you must pass a Closure function that will be executed inside a transaction. The following example begins a transaction and issues two statements that modify the database before rolling back the changes. On MySQL, however, the DROP ...
When this happens, any updates you have made to models or database records during the database transaction may not yet be reflected in the database. In addition, any models or database records created within the transaction may not exist in the database.Thankfully, Laravel provides several ...
within transactions you must be careful to avoid statements that causeimplicit commits. These statements will cause the database engine to indirectly commit the entire transaction, leaving Laravel unaware of the database's transaction level. An example of such a statement is creating a database ...
In addition, any models or database records created within the transaction(s) may not exist in the database.Thankfully, Laravel provides several methods of working around this problem. First, you may set the after_commit connection option in your queue connection's configuration array:...
('config:cache');// 运行所有的 seed 假数据生成类// --class 可以指定运行的类,默认是: "DatabaseSeeder"// --database 可以指定数据库// --force 当处于生产环境时强制执行操作php artisan db:seed[--class[="..."]][--database[="..."]][--force]// 基于注册的信息,生成遗漏的 events 和...
When dispatching a job within a transaction, it is possible that the job will be processed by a worker before the parent transaction has committed. When this happens, any updates you have made to models or database records during the database transaction(s) may not yet be reflected in the...
Database Transactions:Wrap database operations in transactions to ensure data consistency and improve performance by minimizing database write operations. DB::transaction(function(){ // Your CRUD operations here }); Database Optimization: Optimize your database queries by using theQuery Builderefficientl...
When this happens, any updates you have made to models or database records during the database transaction(s) may not yet be reflected in the database. In addition, any models or database records created within the transaction(s) may not exist in the database....