Alternatively, if your code is only ever going to run against mysql, you may enable query buffering byWorkerman\Events\Select->loop()
#10 /home/socket/GatewayWorker/BusinessWorker.php(174): Workerman\Worker->run()
#11 /home/socket/Workerman/Worker.php(900): GatewayWorker\BusinessWorker->run()
#12 /home/socket/Workerman