
Add a subselect based on relationship using withAggregate method
Add a subselect based on relationship using withAggregate method
Good day, guys. In this post, we’ll look at how to solve the "Add a subselect based on relationship using withAggregate method" programming puzzle.
You can add a subselect based on a relationship using the withAggregate method in Laravel. Sometimes you have to get the data from a column of another table like if you want to get a post from the posts table with the column data user’s name from users table. In that case the withAggregate method helps you to get the data from a column of another table.-
Add a subselect based on relationship using withAggregate in Laravel
Syntax :
$posts = App\Models\Post::withAggregate('user', 'email')->first();
Code Example : //app\Models\Post.php
<?php namespace App\Models; use Illuminate\Database\Eloquent\Factories\HasFactory; use Illuminate\Database\Eloquent\Model; class Post extends Model { public function user() { return $this->belongsTo(User::class); } }
routes\web.php
Route::get('/subselect-with-aggregate', function(){ $posts = App\Models\Post::withAggregate('user', 'email')->first(); dd($posts); });
Output :
[▼
"id" => 11
"title" => "Labore do commodi et"
"body" => "Lorem ipsum"
"user_id" => 1
"created_at" => "2021-10-13 05:10:23"
"updated_at" => "2021-10-13 05:10:23"
"user_email" => "[email protected]"
]You can get the email of user who created the post using user_email after getting the data from table.
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