Update powerwall.sh

powerwall.sh

@@ -613,7 +613,7 @@ TEST(){
 	
 	while IFS=$'\t' read date sensorid temp hum ;do
 		echo date:$date sensorid:$sensorid temp:$temp hum:$hum
-	done  < <(${mysql_conn} -se "USE servermonitor; SELECT date,sensorid,temp,hum from sensor_data;")
+	done  < <(${mysql_conn} -se "USE servermonitor; SELECT date,sensorid,temp,hum from sensor_data, LIMIT 100, ORDER BY id DESC;")
 	
 	# QRY="INSERT INTO inv_jsonstats (\`date\`, \`data\`) VALUES ('${datetime}','${JSONSTATS}')"
 	# ${mysql_conn} -e "USE servermonitor; ${QRY}"