private static function findMissingEntities($entityName, $storageEntities, $dbEntities)
{
$storageVpIds = array_keys($storageEntities);
$idColumnName = self::$schemaInfo->getEntityInfo($entityName)->vpidColumnName;
foreach ($dbEntities as $dbEntity) {
unset($storageVpIds[$dbEntity[$idColumnName]]);
}
return $storageVpIds;
}