Description in Laravel, to run a group of operations in database transactions, you can use the transaction method in DBfacade. If an exception is thrown in the closure of a transaction, the transaction will be automatically restored. If the closure
Database Transaction Processing #You can use the transaction method to perform a set of database transaction operations:Db::Transaction(function(){Db::Table(' Users ')->update ([ ' votes ' => 1]) ; db::table ( ' posts ' ->delete (;}
This article mainly introduces the content is about the laravel of the queue system Introduction, has a certain reference value, now share to everyone, the need for friends can refer to
The Laravel queue provides a unified API for different
Laravel's learning process from entry to output
This article mainly introduces the content about Laravel's process from entry to output, and shares it for your reference. I will not talk about it much below. Let's take a look at the detailed
1. Introduction
Laravel makes it easy to connect multiple databases and query the database, whether using native SQL, Query Builder, or eloquent ORM. Currently, Laravel supports four types of database systems:
Mysql
Postgres
Sqlite
DB class use, controller usage and model useLink database:/config/database.php/.env db_connection=mysqldb_host=127.0.0.1db_port=3306db_database=testdb_ USERNAME=Rootdb_password=rootQuerying MySQL data in the controller Use
Description
In Laravel to run a set of operations in a database transaction, you can use the transaction method in db facade. If an exception is thrown within the closure of a transaction, the transaction is automatically restored. If the closure
Background: The recent use of Laravel-5.4 for project development involves data manipulation of the associated model and the thought of rolling back with a transaction. The middle involves the data reference and the catch of the exception.There are
Recently in learning Laravel, in the study encountered a lot of problems, so think the summary record down, so the following this article mainly to you about laravel how to use database transactions and capture the transaction failure after the
1, connect the database
Laravel The database configuration file is config/database.php, open the file, the default content is as follows:
return [Default return result set to PHP object instance' Fetch ' => pdo::fetch_class,The default database
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