Pop\Db\Sql::delete PHP Метод

    public function delete()
    {
        if (null === $this->clause || !$this->clause instanceof \Pop\Db\Sql\Delete) {
            $this->clause = new Sql\Delete($this);
        }
        return $this->clause;
    }

 public function testDelete()
 {
     $s = new Sql(Db::factory('Sqlite', array('database' => __DIR__ . '/../tmp/test.sqlite')), 'users');
     $s->delete()->orderBy('id')->limit(1);
     $this->assertEquals('DELETE FROM "users" ORDER BY "id" ASC LIMIT 1', $s->render(true));
 }