public function getModulesWithDBInstalled()
{
$db = $this->getDbConnection();
$modules = [];
$m = $db->cache(3600, new CDbCacheDependency('select count(id) from {{migrations}}'))->createCommand()->select('module')->from('{{migrations}}')->order('module DESC')->group('module')->queryAll();
foreach ($m as $i) {
$modules[] = $i['module'];
}
return $modules;
}