public function executives()
{
$executives_id = DB::table('executive_user')->select('executive_id')->where('year_id', '=', $this->id)->get();
$exec_id = array();
foreach ($executives_id as $e) {
$exec_id[] = $e->executive_id;
}
if ($exec_id != null) {
return Executive::whereIn('id', $exec_id)->get();
} else {
return array();
}
}
