The above example will make a single database query, retrieve all the records from the table, and hydrate Eloquent models one by one. This approach will make only one database query to retrieve all the posts. But usesphp generatorto optimize the memory usage. when can you use this? Though...
When making GET requests, you may either append a query string to the URL directly or pass an array of key / value pairs as the second argument to the get method:1$response = Http::get('http://example.com/users', [ 2 'name' => 'Taylor', 3 'page' => 1, 4]);...
This model may be used with the default Eloquent authentication driver. If your application is not using Eloquent, you may use the database authentication provider which uses the Laravel query builder.When building the database schema for the App\Models\User model, make sure the password column ...
$users = User::query() ->when($condition, function ($query) { return $query->where('status', '=', 'active'); }, function ($query) { return $query->where('status', '=', 'inactive'); }) ->get(); 在上面的示例中,如果条件为真,将会调用第一个回调函数,添加一个status = 'active...
->when($start && $end, function ($query) use ($start, $end) { return $query->whereBetween('order_date', [$start, $end]); })反对 回复 2021-12-24 扬帆大鱼 TA贡献1799条经验 获得超9个赞您可以尝试使用以下代码:->when($start && $end, function ($query, $condition) use($start, ...
When to useload()orwith()? load()gives you the option of deciding later, based on some dynamic condition, whether or not you need to run the 2nd query. If, however, there’s no question that you’ll need to access all the related items, usewith(). ...
When to useload()orwith()? load()gives you the option of deciding later, based on some dynamic condition, whether or not you need to run the 2nd query. If, however, there’s no question that you’ll need to access all the related items, usewith(). ...
$sql="select student.id from student where `s_name`= '$condition'"; $result=$db->query($sql); 1既是使用M()方法实例一个空值,然后->query($sql),我们来看下tp的db类的源码(ThinkPHP\Library\Think\Db):public function query($str,$fetchSql=false) { $...
when(bool $condition): Okipa\LaravelTable\Abstracts\AbstractHeadAction Determines whether the head action should be enabled namespace App\Tables; use App\Models\User; use Okipa\LaravelTable\Table; use Okipa\LaravelTable\HeadActions\AddHeadAction; use Okipa\LaravelTable\Abstracts\AbstractTable...
", "Case": "delete from table where col = 'condition'", "Position": 0 } ], "IndexRules": [ { "Item": "IDX.001", "Severity": "L2", "Summary": "为laravel库的users表添加索引", "Content": "为列name添加索引; 由于未开启数据采样,各列在索引中的顺序需要自行调整。", "Case": "...