sql:="SELECT call_start_at,called_number,called_nickname,(talk_time+59)/60,place_user FROM public.u_call_record WHERE card_user_id=$1"// 后面分表后看情况优化,现在第一筛选条件为card_user_id我认为更好
iflen(startTime)>0&&len(endTime)>0{
sql+=" AND call_start_at BETWEEN'"+startTime+"'AND'"+endTime+"'"