builder.AppendFormat(" update RB_Class_Plan SET ClassRoomId={0} where ClassPlanId in({1})",newChangePlanItemList.FirstOrDefault().ClassRoomId,string.Join(",",oldChangePlanItemList.Select(x=>x.ClassPlanId)));
builder.AppendFormat(" UPDATE RB_Class_Plan SET ClassRoomId={0} WHERE DATE_FORMAT(ClassDate,'%Y-%m-%d')>=DATE_FORMAT('{1}','%Y-%m-%d')",allChangePlanModel.ClassRoomId,model.TakeEffectTime.Value.ToString("yyyy-MM-dd"));