public function getUuid()
{
static $ids;
if (empty($ids)) {
$statement = $this->resConnection->executeQuery(implode(' UNION ALL ', array_fill(0, 10, "SELECT UNHEX(REPLACE(UUID(), '-', '')) AS uuid")));
$ids = $statement->fetchAll(\PDO::FETCH_COLUMN);
}
return array_pop($ids);
}