/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

7 votes222 views4 answers
Insertgetid laravel 8
PHP Laravel
5 votes223 views2 answers
Laravel naming conventions
PHP Laravel
0 vote192 views1 answer
Current URL without url site laravel
PHP Laravel
0 vote249 views4 answers
Form::select laravel
PHP Laravel
13 votes200 views6 answers
Laravel route optional parameter
PHP Laravel
4 votes190 views2 answers
Laravel DB wherein
PHP Laravel
0 vote181 views1 answer
Create new controller laravel with model binding
PHP Laravel
6 votes249 views4 answers
Laravel use url
PHP Laravel
0 vote133 views2 answers
Laravel restrict home route access
PHP Laravel
9 votes201 views2 answers
Make resource in laravel
PHP Laravel