For example, you may create an initial query and use the union method to union it with more queries:use Illuminate\Support\Facades\DB; $first = DB::table('users') ->whereNull('first_name'); $users = DB::table('users') ->whereNull('last_name') ->union($first) ->get();Copy...
For example, you may create an initial query and use the union method to union it with more queries:use Illuminate\Support\Facades\DB; $first = DB::table('users') ->whereNull('first_name'); $users = DB::table('users') ->whereNull('last_name') ->union($first) ->get();...
DB::table('users')->truncate(); // 集合 // unionAll() 方法也是可供使用的,调用方式与 union 相似 $first = DB::table('users')->whereNull('first_name'); $users = DB::table('users')->whereNull('last_name')->union($first)->get(); // 消极锁 DB::table('users')->where('vote...
php artisan queue:failed-table# 列出失败的工作php artisan queue:failed# 通过 id 删除失败的作业php artisan queue:forget 5# 删除所有失败的作业php artisan queue:flush View 12345678910111213141516 View::make('path/to/view');View::make('foo/bar')->with('key', 'value');View::make('foo/bar')...
For example, you may create an initial query and use the union method to union it with more queries:1use Illuminate\Support\Facades\DB; 2 3$first = DB::table('users') 4 ->whereNull('first_name'); 5 6$users = DB::table('users') 7 ->whereNull('last_name') 8 ->union($...
However, instead of passing each chunk into a callback, the lazy() method returns a LazyCollection, which lets you interact with the results as a single stream:1use Illuminate\Support\Facades\DB; 2 3DB::table('users')->orderBy('id')->lazy()->each(function (object $user) { 4 // ...
However, instead of passing each chunk into a callback, the lazy() method returns a LazyCollection, which lets you interact with the results as a single stream:1use Illuminate\Support\Facades\DB; 2 3DB::table('users')->orderBy('id')->lazy()->each(function ($user) { 4 // 5});...
[ 'name' => 'email', // The db column name 'label' => "Email Address", // Table column heading 'type' => 'email', // 'limit' => 500, // if you want to truncate the text to a different number of characters ],image
To perform a "cross join" use the crossJoin method with the name of the table you wish to cross join to. Cross joins generate a cartesian product between the first table and the joined table:1$users = DB::table('sizes') 2 ->crossJoin('colours') 3 ->get();...
table// 合并所有的配置信息为一个,提高加载速度php artisan config:cache// 移除配置缓存文件php artisan config:clear// 程序内部调用 Artisan 命令$exitCode=Artisan::call('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...