Stringsql=String.format("select * from iot_data_%s where indictorName='%s' and time > '%s' and time < 'endTime' )",gateaway,indictorName,startTime,endTime);
Stringsql=String.format("select * from iot_data_%s where indictorName='%s' and time > '%s' and time < '%s' ;",gateaway,indictorName,startTime,endTime);