要检查你使用的Laravel Query Builder的版本,可以通过以下几种方法: 方法一:查看composer.json文件 打开你的项目根目录下的composer.json文件。 查找require部分中与Laravel相关的条目,通常会有类似这样的条目: 查找require部分中与Laravel相关的条目,通常会有类似这样的条目: ...
Laravel 5.3之 Query Builder 源码解析(中) AI代码解释 $this->tablePrefix=$tablePrefix;$this->config=$config;$this->useDefaultQueryGrammar();$this->useDefaultPostProcessor();}publicfunctionuseDefaultQueryGrammar(){$this->queryGrammar=$this->getDefaultQueryGrammar();}protectedfunctiongetDefaultQueryGra...
The Laravel query builder can handle these as well:1DB::table('users') 2 ->where('name', '=', 'John') 3 ->orWhere(function($query) 4 { 5 $query->where('votes', '>', 100) 6 ->where('title', '<>', 'Admin'); 7 }) 8 ->get();...
Laravel 的查询语句构造器也能处理这些。让我们先来看下一个在括号中将约束分组的例子:DB::table('users') ->where('name', '=', 'John') ->orWhere(function ($query) { $query->where('votes', '>', 100) ->where('title', '<>', 'Admin'); }) ->get();...
在Laravel中出现了两处针对数据库的Builder,一时分不清楚。Eloquent\BuilderQuery\Builder首先,确认Eloquent\Builder与Query\Builder是否是有继承关系:1/ 打印两者之间的instanceof关系,发现并没有关系2/ 查看源码:Eloquent\Builder的构造器方法中有一个注入参数QueryBuilder...
Laravel's database query builder provides a convenient, fluent interface to creating and running database queries. It can be used to perform most database operations in your application and works perfectly with all of Laravel's supported database systems....
[Laravel] 03 - DB facade, Query builder & Eloquent ORM 连接数据库 一、Outline 三种操作数据库的方式。 二、Facade(外观)模式 Ref:解读Laravel,看PHP如何实现Facade? Facade本质上是一个“把工作推给别人做的”的类。 Facade存在的价值,可以从服务容器谈起。服务容器,可见我的另一篇博文,地址:http://www...
开发环境:Laravel5.3 + PHP7 Builder::toSql() 看下toSql()的源码: public function toSql() { // $this->grammar = new MySqlGrammar return $this->grammar->compileSelect($this); } public function compileSelect(Builder $query) { $sql = parent::compileSelect($query); ...
composer require spatie/laravel-query-builder Read the installation notes on the docs site:https://spatie.be/docs/laravel-query-builder/v5/installation-setup. Documentation You can find the documentation onhttps://spatie.be/docs/laravel-query-builder/v5. ...
composer require spatie/laravel-query-builder Read the installation notes on the docs site:https://spatie.be/docs/laravel-query-builder/v5/installation-setup. Documentation You can find the documentation onhttps://spatie.be/docs/laravel-query-builder/v5. ...