Суммирование строк в таблице

[CRASH_505]

Доброе день.Вот программа.Подскажите как прописать условие суммирования,
т.к есть одинаковые номенклатуры, забитые в один и тотже день, а суммы разные
как суммировать.

{
    ProdJournalTable ProdJournalTable;
    ProdJournalRoute ProdJournalRoute;
    ProdJournalRoute ProdJournalRoute_1;
    ProdJournalRoute ProdJOurnalRoute_2;
    TmpProdJournalRouteOutTime tmpTable;
    ProdTable  ProdTable;
    int nDay;
    SysOperationProgress    sop;
    int                     cntItems;
    date fromDate = 01\09\2008;
    date toDate = 31\09\2008;
    ;
    delete_from tmpTable;



        select count (Recid)from Prodjournaltable
    exists join ProdJournalRoute
    where ProdJournalRoute.JournalId==ProdJournalTable.JournalId&&
          ProdJournalTable.Createddate >= fromDate &&
          ProdJournalTable.createdDate <= toDate &&
         (ProdJournalRoute.WrkCtrId == '113' ||
          ProdJournalRoute.WrkCtrId == '135');

        cntItems = ProdJournalTable.RecId;

    sop = SysOperationProgress::newGeneral('','',cntItems); // преоброзование шкалы


    while select  createddate,journalid,posted,posteddate
    From ProdJournalTable
    exists join ProdJournalRoute
    where ProdJournalRoute.JournalId==ProdJournalTable.JournalId&&
          ProdJournalTable.Createddate >= fromDate &&
          ProdJournalTable.createdDate <= toDate &&
         (ProdJournalRoute.WrkCtrId == '113' ||
          ProdJournalRoute.WrkCtrId == '135')
    {
        select ProdJournalRoute_1
        order by oprnum desc
        where
            ProdJournalRoute_1.JournalId == ProdJournalTable.JournalId;

        select ProdTable
        where
            ProdTable.ProdId == ProdJournalRoute_1.ProdId;

        select  ProdJournalRoute_2
        where
                ProdJournalRoute_2.OprId like '045*' &&
                ProdJournalRoute_2.JournalId == ProdJournalTable.JournalId;




       sop.incCount();

     /*           info
        (
            strfmt("%1,%2,%3",
            ProdJournalTable.createdDate,
            ProdJournalTable.JournalId,
            toDay() - ProdJournalTable.createdDate)
        );*/



        tmpTable.clear();

        tmpTable.ITEMID =ProdTable.ItemId;
        tmpTable.WRKCTRID=ProdjournalRoute_1.WrkCtrId;
        tmpTable.Qty=ProdJournalRoute_1.QtyGood+ProdJournalRoute_1.QtyError;

        if(ProdJournalTable.Posted==noyes::No)
        {
            tmpTable.Days= (toDay() - ProdJournalTable.createdDate)+1; //toDay() - ProdjournalRoute_1.transDate;
        }
        else
        {
            tmpTable.Days=(ProdJournalTable.PostedDate - ProdJournalTable.createdDate)+1 ;
        }

        tmpTable.Normal=noYes::No;


       if ( tmpTable.WRKCTRID == '135')
        {
            nDay = 1;
        }
        if ( tmpTable.WRKCTRID == '113')
        {
            if (ProdJournalRoute_2 != NULL)
            {
                 nDay=5;
            }
            else
            {
                nDay = 3;
            }
        }

        if (tmpTable.Days > nDay)
            tmpTable.Normal=NoYes::No;
        else
            tmpTable.Normal=NoYes::Yes ;

        tmpTable.insert();
    }