(mongodb >=1.3.0)
MongoDB\Driver\Monitoring\CommandFailedEvent::getRequestId — Returns the command's request ID
The request ID is generated by the driver and may be used to associate this MongoDB\Driver\Monitoring\CommandFailedEvent with a previous MongoDB\Driver\Monitoring\CommandStartedEvent.
此函數(shù)沒有參數(shù)。
Returns the command's request ID.