Foreign key string laravel

Laravel foreign key

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

    $table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
    $table->foreignId('user_id')->constrained();
});

Laravel foreign key constraint

public function up()
{
    Schema::create('replies', function (Blueprint $table) {
        $table->bigIncrements('id');
        $table->text('body');
        $table->unsignedBigInteger('question_id');
        $table->integer('user_id')->unsigned();
        $table->foreign('question_id')->references('id')->on('questions')->onDelete('cascade');
        $table->timestamps();
    });
}

Source: stackoverflow.com

Laravel adding Foreign Key Constraints

$table->foreignId('user_id')
      ->constrained("users") <- // You don't need to specify table if it matched laravel naming conventions.
      ->onUpdate('cascade')
      ->onDelete('cascade');

Source: laravel.com

Laravel field types from database field type

// in laravel if error of missing pdomysql driver issue the command
// composer require doctrine/dbal
DB::connection()->getDoctrineColumn($table_name, $field_name)->getType()->getName()

Foreign key string laravel

Schema::table('portfolios', function (Blueprint $table) {
            $table->string('filter_alias');
            $table->foreign('filter_alias')->cascadeOnDelete()->references('alias')->on('filters');
        });

-1

Similar codes

1 vote178 views1 answer
Laravel random column with limit
PHP Laravel
2 votes172 views5 answers
Laravel installation in windows
PHP Laravel
2 votes168 views3 answers
Laravel fortify
PHP Laravel
2 votes183 views4 answers
Laravel run schedule locally
PHP Laravel
14 votes183 views6 answers
Laravel create model and migration
PHP Laravel
14 votes203 views6 answers
Redirect back laravel
PHP Laravel
1 vote170 views1 answer
Not required a field when checked not applicable checkbox in laravel
PHP Laravel
0 vote109 views1 answer
Laravel wordpress reset password
PHP Laravel
0 vote160 views2 answers
Laravel collection every
PHP Laravel
0 vote155 views1 answer
Access to this resource on the server is denied laravel
PHP Laravel