/**
* Find a model by its primary key.
*
* @param array $id
* @param array $columns
* @return \Illuminate\Database\Eloquent\Model|Collection|static
*/
public function findMany($id, $columns = array('*'))
{
if (empty($id)) {
return $this->model->newCollection();
}
$this->query->whereIn($this->model->getQualifiedKeyName(), $id);
return $this->get($columns);
}