/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 votes351 views2 answers
Laravel migration table column nullable
PHP Laravel
0 vote216 views1 answer
Laravel where on relationsship column
PHP Laravel
0 vote214 views1 answer
Laravel raw query join many to many
PHP Laravel
5 votes251 views2 answers
Laravel APP_ENV config
PHP Laravel
12 votes218 views5 answers
Laravel run single migration
PHP Laravel
0 vote245 views3 answers
Factory laravel tinker
PHP Laravel
1 vote220 views2 answers
How to remove token while logout using laravel 8
PHP Laravel
-2 votes247 views2 answers
Carbon laravel d m y to y-m-d
PHP Laravel
1 vote231 views2 answers
Laravel migration check if table has column
PHP Laravel
-1 vote238 views1 answer
Create user with tinker php laravel
PHP Laravel