/PHP/Laravel/Add foreign key column laravel 5.8

Add foreign key column laravel 5.8

Foreign key in laravel migration

$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');

Foreign key laravel migration

$table->foreign('column_name')->references('id')->on('table_name')->onDelete('cascade');

Create foreign key laravel migration

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});

Add foreign key column laravel 5.8

update your `integer('user_id')` to `bigInteger('user_id')`
public function up() { 
        Schema::create('evaluation', function (Blueprint $table) { 
            $table->increments('id'); 
            $table->bigInteger('user_id')->unsigned()->index(); 
            $table->timestamps();
            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
        });
    }

Source: stackoverflow.com

Similar codes

6 votes225 views2 answers
How to set tinyint default 0 laravel migration
PHP Laravel
1 vote299 views2 answers
Laravel compare date timestamp
PHP Laravel
1 vote216 views2 answers
Pass image path in laravel blade
PHP Laravel
1 vote204 views1 answer
Laravel inverse seeder
PHP Laravel
-1 vote221 views2 answers
Laravel sortby relationship column
PHP Laravel
0 vote222 views2 answers
Fetch data based on month and year in laravel
PHP Laravel
0 vote202 views1 answer
Laravel collection higher order messages
PHP Laravel
0 vote189 views1 answer
Créer projet laravel
PHP Laravel
1 vote210 views1 answer
Laravel cashier overwrite users table name
PHP Laravel
0 vote387 views1 answer
Laravel 8 Factory - One To Many (Polymorphic) Relationship
PHP Laravel