Stringsql="select aaa.time, sum(aaa."+field+") 'value' from "+dataViewName2119+"aaa group by aaa.time";
Stringsql="select DATE_FORMAT( aaa.time, '%Y-%m' ) time , ROUND(SUM(IFNULL(aaa."+field+",0)),2) AS 'value' from "+dataViewName2119+"aaa group by DATE_FORMAT( aaa.time, '%Y-%m' ) ";