sql根據某個字段求和並顯示其他字段

 select sum(duration_time) as quantity,account,user_name,dept_name,parent_dept from blade_employee_training_record_detail
         where tenant_id=#{tenantId}
        <if test="startDate !=null and startDate !='' ">
            and end_training_date >= #{startDate}
        </if>
        <if test="endDate !=null and endDate !='' ">
            and end_training_date <= #{endDate}
        </if>
        GROUP BY account,user_name,dept_name,parent_dept