If the cancellation is effective, the current command will
terminate early and return an error result or exception. If the
cancellation will fails (say, because the server was already done
processing the command) there will be no visible result at all.
Try to cancel query
If the cancellation is effective, the current command will terminate early and return an error result or exception. If the cancellation will fails (say, because the server was already done processing the command) there will be no visible result at all.