/**
* Engine 'used' for index.
* (Not really used, its just the information stored to increase compatibility with mysql.)
*
* @return IndexEngine
*/
public function getEngine()
{
$rawEngine = $this->data[193];
$engine = ord($rawEngine);
if ($engine <= 0) {
$engine = IndexEngine::BTREE;
}
return IndexEngine::getByValue($engine);
}
