/**
* Roll back a transaction and return to autocommit mode.
*
* @return JO_Db_Adapter_Abstract
*/
public function rollBack()
{
$this->_connect();
$q = $this->_profiler->queryStart('rollback', JO_Db_Profiler::TRANSACTION);
$this->_rollBack();
$this->_profiler->queryEnd($q);
return $this;
}
