DbConnection::rollbackTransaction

public function rollbackTransaction();


/*********************************************************
 * Tracker
 *********************************************************/

public function startTracker($reset = false)
{
	if ($this->sqlTracker == null)
		$this->sqlTracker = new BitrixMainDiagSqlTracker();
	if ($reset)
		$this->sqlTracker->reset();

	$this->trackSql = true;
}