[英]How can i make this INSERT in PL/SQL Procedure?
我是pl / sql編程的新手,需要您的幫助。
我想做一個程序。
更具體地說,我有以下表TABLE1
================================================
|COL1 | COL2 | COL3 | COL4 | COL5 | COL6 |COL7|
===============================================
|600 | 140 | 2 | 10 | 1300 | 500 | 1 |
|600 | 140 | 2 | 20 | 1400 | 340 | 4 |
|600 | 140 | 2 | 15 | 1400 | 230 | 3 |
|600 | 140 | 2 | 35 | 1700 | 120 | 2 |
|600 | 150 | 3 | 10 | 1300 | 166 | 6 |
|600 | 150 | 3 | 15 | 1400 | 435 | 5 |
----------------------------------------------
對於相同的COL1和COL2 / COL3,檢查選擇與COL4不同的值。例如,對於COL1 = 600,COL2 = 140 / COL3 = 2和COL2 = 150 / COL3 = 3返回20和35
並在此表TABLE1中插入行
600 , 150 , 3, 20 , 1400 , 340, 7 (seq number)
600 , 150 , 3, 35 , 1700 , 120, 8 (seq number)
如果P_FLG1 ='Y',我在表1中插入。 如果P_FLG2 ='Y',我也在TABLE3等中插入
我正在嘗試進行如下操作,但無法完成
PROCEDURE COPY_COLUMNS ( P_COL1 IN A.COL1%TYPE,
P_FROM_COL2 IN B.COL2%TYPE,
P_FROM_COL3 IN B.COL3%TYPE,
P_TO_COL2 IN B.COL2%TYPE,
P_TO_COL3 IN B.COL3%TYPE,
P_FLG1 IN VARCHAR2,
P_FLG2 IN VARCHAR2,
P_FLG3 IN VARCHAR2
) IS
CURSOR CFL1 IS select COL4
FROM TABLE1
WHERE COL1 = P_COL1 AND COL2 = P_FROM_COL2 AND COL3 = P_FROM_COL3
MINUS
select COL4
FROM TABLE1
WHERE COL1 = P_COL1 AND COL2 = P_TO_COL2 AND COL3 = P_TO_COL3;
CURSOR CFL2 IS select COL4
FROM TABLE2
WHERE COL1 = P_COL1 AND COL2 = P_FROM_COL2 AND COL3 = P_FROM_COL3
MINUS
select COL4
FROM TABLE2
WHERE COL1 = P_COL1 AND COL2 = P_TO_COL2 AND COL3 = P_TO_COL3;
CURSOR CFL3 IS select COL4
FROM TABLE3
WHERE COL1 = P_COL1 AND COL2 = P_FROM_COL2 AND COL3 = P_FROM_COL3
MINUS
select COL4
FROM TABLE3
WHERE COL1 = P_COL1 AND COL2 = P_TO_COL2 AND COL3 = P_TO_COL3;
V_REC CFL1%ROWTYPE;
BEGIN
IF P_FLG1='N' OR P_FLG2='N' OR P_FLG3='N' OR P_FLG4 ='N' OR P_FLG5 = 'N' THEN
GOTO label; --do nothing
END IF;
IF P_FLG1 = 'Y' THEN
OPEN CFL1;
FETCH CFL1 INTO V_REC;
CLOSE C1;
SELECT COL5, COL6
FROM TABLE1
WHERE COL1 = P_COL1 AND COL2 = P_FROM_COL2 AND COL3 = P_FROM_COL3 AND COL4 = V_REC.COL4;
FOR REC IN CFL1 LOOP
INSERT INTO TABLE1
SELECT P_COL1, P_TO_COL2, P_TO_COL3, CFL1.COL4, -- COL5 , COL6 ?? -- , SEQ.NEXTVAL)
END LOOP;
END IF;
-- ..........
<<label>>
END;
如果您能幫助我,我將不勝感激。
非常感謝
CFL1.COL4無法正常工作,因為您需要引用結果集變量:REC.COL4。
指定插入表的列也沒有什么壞處。 例如 :
INSERT INTO TABLE1 (col1, col2) values (rec.col1, rec.col2);
要么
INSERT INTO TABLE1 (col1, col2) select rec.col1, rec.col2 from dual;
另外,您首先要獲取CFL1,只希望獲得1個記錄值。 但是然后在循環中使用相同的游標。 刪除獲取並從REC獲取該col4值? 無論如何,直接選擇過程是行不通的。
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