Oracle动态游标用法

 最近在写一个存档的procedure时，因为条件不同，组成的SQL也不同。

  1 CREATE OR REPLACE 
  2 PROCEDURE led_bl_issue_save_new ----大标签发料存档LED031C
  3 (
  4    i_worknosid      NUMBER,---工单ID
  5    i_led_partno     VARCHAR2,---LED料号
  6    i_led_partid     VARCHAR2,---LED料号ID
  7    i_bincode1       VARCHAR2, ---BIN1
  8    i_datecode1      VARCHAR2,---周期1
  9    i_bin1_qty       number,---BIN1数量
 10    i_bincode2       VARCHAR2,--BIN2
 11    i_datecode2      VARCHAR2,---周期2
 12    i_bin2_Qty       number,---BIN2数量
 13    i_iusqty         NUMBER,---发料数量
 14    i_iustype        NUMBER,---发料类型
 15    i_bl1_sid        NUMBER,---大标签1ID
 16    i_bl2_sid        NUMBER,---大标签2ID
 17    i_pmp_bin        VARCHAR2,---喷墨BIN
 18    i_usersid        NUMBER----USERID
 19 )
 20 IS
 21    xMse0306_f001    mse0306.f001%TYPE               := 0;
 22    xReelno          sajet.g_part_map.part_sn%TYPE   := ‘N/A‘;
 23    type ref_cursor  is  ref cursor;
 24    xCursor ref_cursor ;
 25    xSqlCommand      varchar(2000);
 26    xBin1Qty_Sys         number :=0;-----系统中的BIN1数量
 27    xBin1Qty_New     number := 0;-----待更新的BIN1数量 
 28    xBin2Qty_Sys         number :=0;-----系统中的BIN2数量
 29    xBin2Qty_New     number := 0;-----待更新的BIN2数量 
 30    xBinQty_Sys         number :=0;-----系统中的BIN数量
 31    xBinQty_New     number := 0;-----待更新的BIN数量 
 32 BEGIN
 33     
 34 ----获得MSE0306.F001
 35    IF i_iustype=0 THEN
 36       xSqlCommand:= ‘SELECT f001 FROM MSE0306 WHERE WK_ORD_ID=‘ || i_worknosid || ‘ AND  TYPE_ID=0 AND STATUS=0‘||
 37                     ‘ AND BIN2 IS  NULL AND DATEcode2 IS NULL AND BIN1=‘‘‘|| i_bincode1 ||‘‘‘‘;
 38       if i_datecode1 =‘‘ then
 39          xSqlCommand := xSqlCommand ||‘ AND DATEcode1 is null‘;
 40       else
 41          xSqlCommand := xSqlCommand ||‘ AND DATEcode1 = ‘‘‘|| i_datecode1 ||‘‘‘‘;
 42       end if;
 43    ELSE
 44       xSqlCommand := ‘SELECT f001 FROM MSE0306 WHERE WK_ORD_ID=‘|| i_worknosid ||‘ AND TYPE_ID=1 AND STATUS=0‘ ||
 45                     ‘ AND BIN1=‘‘‘|| i_bincode1  ||‘‘‘‘ ||‘ AND BIN2=‘‘‘|| i_bincode2 ||‘‘‘‘ ;
 46 
 47             If i_datecode1 =‘‘ Then
 48                xSqlCommand := xSqlCommand || ‘ AND DATEcode1 is null‘;
 49             Else
 50                xSqlCommand := xSqlCommand || ‘ AND DATEcode1=‘‘‘|| i_datecode1 ||‘‘‘‘;
 51             End If;
 52 
 53             If i_datecode2=‘‘ Then
 54                  xSqlCommand := xSqlCommand ||‘ AND DATEcode2 is null‘ ;
 55             Else
 56                  xSqlCommand := xSqlCommand ||‘ AND DATEcode2=‘‘‘|| i_datecode2  ||‘‘‘‘;
 57             End If;
 58    END IF;
 59    
 60    open xCursor for xSqlCommand;
 61    LOOP 
 62         FETCH xCursor INTO xmse0306_f001;
 63         EXIT WHEN xCursor %notfound ;
 64    END LOOP;
 65    close xCursor;
 66    
 67    if xMse0306_f001>0 then
 68       select nvl(qty1,0),nvl(qty2,0),nvl(qty,0)
 69       into xBin1Qty_Sys,xBin2Qty_sys,xBinqty_sys
 70       from mse0306
 71       where f001 = xMse0306_f001;
 72    end if;
 73    xBin1Qty_New := xBin1Qty_Sys + i_bin1_qty;
 74    xBin2Qty_New := xBin2Qty_Sys + i_bin2_qty;
 75    xBinQty_New := xBinqty_sys + i_bin1_qty + i_bin2_qty;
 76    
 77    ---处理MSE0306
 78    if xMse0306_f001 = 0 then
 79      INSERT INTO mse0306(wk_ord_id, bin1, datecode1,qty1, bin2, datecode2, qty2, qty,type_id, creat_time, creat_userid, item_partno,runsheet) 
 80        VALUES (i_worknosid, i_bincode1,i_datecode1, xBin1Qty_New ,i_bincode2, i_datecode2 , xBin2Qty_New , xBinQty_New, i_iustype,sysdate, i_usersid , i_led_partno, i_pmp_bin );
 81    
 82      open xCursor for xSqlCommand;
 83     LOOP 
 84         FETCH xCursor INTO xmse0306_f001;
 85         EXIT WHEN xCursor %notfound ;
 86     END LOOP;
 87      close xCursor;
 88    
 89     else
 90           UPDATE mse0306
 91          SET qty1=xBin1Qty_New,
 92              qty2=xBin1Qty_New,
 93              qty = xBinQty_New ,
 94              up_time = SYSDATE,
 95              up_userid = i_usersid
 96        WHERE f001 = xMse0306_f001;
 97     end if; 
 98    
 99         ----更新大標籤
100       UPDATE mse0304
101          SET f007 = ‘N‘,
102              f013 = xMse0306_f001,
103              f014 =i_usersid,
104              f015 = SYSDATE
105        WHERE f001 = i_bl1_sid;
106 
107       IF i_iustype = 1
108       THEN
109          UPDATE mse0304
110             SET f007 = ‘N‘,
111                 f013 = xMse0306_f001,
112                 f014 = i_usersid,
113                 f015 = SYSDATE
114           WHERE f001 = i_bl2_sid;
115       END IF;
116       
117       ----更新小标签,写 发料表 
118    FOR l_cursor IN (SELECT m305.f003
119                       FROM mse0304 m304, mse0305 m305
120                      WHERE m304.f001 = m305.f002 AND m304.f001 = i_bl1_sid)
121    LOOP
122       xreelno := l_cursor.f003;
123 
124       INSERT INTO sajet.g_part_led_issue
125                   (wk_ord_id, part_id, part_sn, upd_time, upd_uid
126                   )
127            VALUES (i_worknosid, i_led_partid , xreelno, SYSDATE, i_usersid
128                   );
129 
130       UPDATE mse0305
131          SET f005 = ‘N‘
132        WHERE f003 = xreelno;
133    END LOOP;
134 
135    IF i_iustype = 1
136    THEN
137       FOR l_cursor IN (SELECT m305.f003
138                          FROM mse0304 m304, mse0305 m305
139                         WHERE m304.f001 = m305.f002 AND m304.f001 = i_bl2_sid)
140       LOOP
141          xreelno := l_cursor.f003;
142 
143          INSERT INTO sajet.g_part_led_issue
144                      (wk_ord_id, part_id, part_sn, upd_time, upd_uid
145                      )
146               VALUES (i_worknosid, i_led_partid, xreelno, SYSDATE, i_usersid
147                      );
148 
149          UPDATE mse0305
150             SET f005 = ‘N‘
151           WHERE f003 = xreelno;
152       END LOOP;
153    END IF; 
154       
155 ----  DBMS_OUTPUT.PUT_LINE(‘存檔OK...‘);
156 /*
157 EXCEPTION
158   WHEN Others THEN
159    ----DBMS_OUTPUT.PUT_LINE(SQLcode||‘---‘||SQLERRM);
160     rollback;*/
161 END;
162 /