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游标的两种使用方式

Posted on 2012-10-07 08:21  奥客  阅读(390)  评论(0编辑  收藏  举报


--debit pcdi内部调整
PROCEDURE get_pcdi_debit_adj(errbuf          OUT VARCHAR2,
                             retcode         OUT VARCHAR2)
is

    --需冲销负数的物料
    cursor cn_item is
    select da.item_id,da.sbc_id,da.qtyinstock,da.debitqty,da.totalqtyinstock,da.unit_price
    from secom.secom_pcdi_debit_adj da
    where da.qtyinstock<0;
   
    --可核销正数的物料
    cursor ca_item(cp_item_id numeric,cp_unit_price numeric) is   
    select *
    from(
    select abs(da.unit_price-cp_unit_price) abs_prices ,da.creation_date , da.avagopartnum,da.item_id,da.sbc_id,da.qtyinstock,da.debitqty,da.totalqtyinstock
    ,da.unit_price
    from secom.secom_pcdi_debit_adj da
    where  da.item_id=cp_item_id and da.qtyinstock>0
    ) dav
    order by dav.abs_prices,dav.creation_date;

   
    --生成报表
    cursor c_item is   
    select
     da.avagopartnum ,da.sbc,da.qtyinstock,da.debitqty,da.totalqtyinstock
    ,da.unit_price,da.amount,da.currency_code,da.brank,da.product_line
    from secom.secom_pcdi_debit_adj da order by da.item_id,da.unit_price;
   
   
    --创建动态游标
    TYPE ref_cursor_type IS REF CURSOR;  
    p_r_item ref_cursor_type;
   
    v_sql varchar2(1000); 
    p_item_id numeric;
    p_sbc_id numeric;
    p_qtyinstock numeric;
   
     
    --临时变量
    p_tmp_a_qty numeric;
    p_remain_n_qty numeric;
   
    p_sum_n_qty numeric;   
begin

errbuf := NULL ;
retcode := '0' ;

SAVEPOINT get_pcdi_debit_adj;
  
--=====================================================
--先清空原来的表,再读取最新的库数据
delete from secom.secom_pcdi_debit_adj;


insert into secom.secom_pcdi_debit_adj(
ITEM_ID,avagopartnum,SBC_ID,vendor_code,vendor_name
,qtyinstock,debitqty,totalqtyinstock,unit_price
,currency_code,brank,product_line,creation_date,sbc
)
select
 pfsv.ITEM_ID
,pfsv.avagopartnum
,pfsv.SBC_ID
,pfsv.vendor_code
,pfsv.vendor_name
,pfsv.totalqtyinstock  qtyinstock
,null  debitqty
,null  totalqtyinstock
,sl.UNIT_PRICE unit_price

,sl.currency_code
,mtl.brank
,mtl.product_line
,sl.creation_date
,sl.sbc
from
(
    select pfs.ITEM_ID ,msi.segment1 avagopartnum, pfs.SBC_ID
    , pv.segment1 vendor_code
    , pv.vendor_name
    , sum( --汇总同一物料同一SBC的数量
      case when (nvl(poqty.QUANTITY,0)-nvl(pomqty.QUANTITY,0))> nvl(poqty.QUANTITY,0)
           then  nvl(poqty.QUANTITY,0)
           else  (nvl(poqty.QUANTITY,0)-nvl(pomqty.QUANTITY,0)) end 
      )  totalqtyinstock --即为 nomatch_quantity 参考函数 secom_so_debit_pkg.get_shipment_nomatchqty 优化的逻辑      
    from SECOM_PPC_FROM_SBC_V pfs
    ,PO_HEADERS_ALL        PHA
    ,po_line_locations_all plla
    ,mtl_system_items_b    msi
    ,po_vendors pv
    ,(--调整后的PO数量
      SELECT PFS.LINE_LOCATION_ID ,pfs.SBC_ID  ,  nvl(SUM(PFS.QUANTITY),0) QUANTITY
      FROM SECOM_PPC_FROM_SBC_V PFS
      group by PFS.LINE_LOCATION_ID ,pfs.SBC_ID 
    ) poqty
    ,(--核销的PO数量
     SELECT SSM.Line_Location_Id ,ssm.sbc_list_id ,  nvl(SUM(SSM.QUANTITY_MATCHED),0) QUANTITY
     FROM SECOM_SOPO_MATCHES SSM
     WHERE  MATCH_ID <> nvl(null,-1)
      group by SSM.Line_Location_Id ,ssm.sbc_list_id
    )pomqty
   
    where pfs.PO_HEADER_ID=pha.po_header_id(+)
    and pfs.LINE_LOCATION_ID = plla.line_location_id(+)
   
    and msi.Organization_Id = plla.ship_to_organization_id
    and msi.inventory_item_id = pfs.ITEM_ID
   
    and pha.vendor_id=pv.vendor_id(+)
   
    and pfs.LINE_LOCATION_ID=poqty.LINE_LOCATION_ID(+)
    and pfs.SBC_ID=poqty.SBC_ID(+)
    and pfs.LINE_LOCATION_ID=pomqty.Line_Location_Id(+)
    and pfs.SBC_ID=pomqty.sbc_list_id(+)
   
   
    and pha.vendor_id in (120 ) --322,6
    and PFS.COST_MODE = 'RESALES_DEBIT'  --售后折扣的     
    and nvl((--库存需大于0的物料
    case when (nvl(poqty.QUANTITY,0)-nvl(pomqty.QUANTITY,0))> nvl(poqty.QUANTITY,0)
           then  nvl(poqty.QUANTITY,0)
           else  (nvl(poqty.QUANTITY,0)-nvl(pomqty.QUANTITY,0)) end
    ),0)<>0
    group by pfs.ITEM_ID ,msi.segment1 , pfs.SBC_ID ,pv.segment1 ,pv.vendor_name
) pfsv
, (--取得物料的厂牌产品线 参考 secom_sotopo_pkg.get_item_category 的逻辑处理
      SELECT distinct  MIC.INVENTORY_ITEM_ID ,mc.SEGMENT1 brank,mc.SEGMENT2  product_line              
      FROM MTL_ITEM_CATEGORIES  MIC,
           MTL_CATEGORY_SETS_TL MCST,
           MTL_CATEGORY_SETS_B  MCS,
           MFG_LOOKUPS          ML,
           MTL_CATEGORIES_B_KFV MC
     WHERE MIC.CATEGORY_SET_ID = MCS.CATEGORY_SET_ID
       AND MCS.CATEGORY_SET_ID = MCST.CATEGORY_SET_ID
       AND MCST.LANGUAGE = USERENV('LANG')
       AND MIC.CATEGORY_ID = MC.CATEGORY_ID
       AND MCS.CONTROL_LEVEL = ML.LOOKUP_CODE
       AND ML.LOOKUP_TYPE = 'ITEM_CONTROL_LEVEL_GUI' 
       AND MIC.ORGANIZATION_ID = 84
       AND MIC.CATEGORY_SET_ID = 1
) mtl
, secom_sbc_lists  sl
where pfsv.ITEM_ID=mtl.INVENTORY_ITEM_ID(+)
and pfsv.SBC_ID=sl.sbc_list_id(+);


--=====================================================
--以价格最接近的原则进行调整
FOR cn_item_r IN cn_item LOOP
    p_sum_n_qty:=0;   
    p_remain_n_qty:=abs(cn_item_r.qtyinstock);
   
    ----------------------------------------------
    --动态游标
    v_sql := '
    select da.item_id,da.sbc_id,da.qtyinstock
    from secom.secom_pcdi_debit_adj da
    where  da.item_id='|| cn_item_r.item_id ||' and da.qtyinstock>0
    order by abs(da.unit_price-'||to_char( cn_item_r.unit_price) ||') ,da.creation_date
    '; 
   
    --dbms_output.put_line(v_sql);
     
    open p_r_item for v_sql ; 
    loop 
      fetch p_r_item into p_item_id,p_sbc_id,p_qtyinstock;  
      exit when p_r_item%notfound; 

      if p_remain_n_qty >p_qtyinstock then
         p_tmp_a_qty:=p_qtyinstock;
      else
         p_tmp_a_qty:=p_remain_n_qty;
      end if;
     
      --正的核销负的数量
      if p_tmp_a_qty>0 then
          update secom.secom_pcdi_debit_adj set debitqty=-(nvl(debitqty,0) + p_tmp_a_qty)
          where item_id=p_item_id and sbc_id=p_sbc_id;
         
          p_remain_n_qty:=nvl(p_remain_n_qty,0)-nvl(p_tmp_a_qty,0);
          p_sum_n_qty:=nvl(p_sum_n_qty,0)+nvl(p_tmp_a_qty,0); 
      end if;     
    
    end loop; 
    close p_r_item; 
    --//--------------------------------------------
   
    --负的与正的数量冲底
    update secom.secom_pcdi_debit_adj set debitqty=p_sum_n_qty
    where item_id=cn_item_r.item_id and sbc_id=cn_item_r.sbc_id;

end loop; 

--计算留存库存的数量以及金额
update secom.secom_pcdi_debit_adj
set totalqtyinstock=nvl(qtyinstock,0) + nvl(debitqty,0)
,amount=round( ((nvl(qtyinstock,0) + nvl(debitqty,0))*UNIT_PRICE),2);

commit;

 

end  get_pcdi_debit_adj;