基本游标中的独立过程错误 table

Question

我正在尝试使用一个独立的外部过程运行从一个游标中获取一个变量并将其扔回该过程，该过程将在该过程中将值插入另一个 table.获取错误。

程序：

CREATE OR REPLACE PROCEDURE proc_test
(p_inn   newtable.totalhours%TYPE) AS

BEGIN
p_inn := p_inn - p_inn + 1;
INSERT INTO proceduretest (value)
VALUES (p_inn);
END proc_test;
/

带游标的代码

SET SERVEROUTPUT ON
DECLARE
        v_idno  paydata1.idno%TYPE;
        v_name  paydata1.name%TYPE;
        v_hrs   paytran1.hourswk%TYPE;
        v_hrsT  paytran1.hourswk%TYPE;
        v_code  paydata1.jobcode%TYPE;
        v_payh  paydata1.payhr%TYPE;
        v_sal   paydata1.salary%TYPE;
        v_OT    NUMBER(6,2);
        CURSOR payday IS
        SELECT idno, name FROM paydata1
        ORDER BY idno;
        CURSOR paytray IS
        SELECT hourswk FROM paytran1
        WHERE v_idno = idno
        ORDER BY idno;
        CURSOR total IS
        SELECT idno, name, jobcode, salary, payhr
        FROM paydata1
        WHERE v_idno = idno;
        BEGIN
        OPEN payday;
        LOOP
          FETCH payday INTO v_idno, v_name;
          EXIT WHEN payday%NOTFOUND;
          IF paytray%ISOPEN THEN
          CLOSE paytray;
          END IF;
           OPEN paytray;
           v_hrsT := 0;
           LOOP
            FETCH paytray INTO v_hrs;
            EXIT WHEN paytray%NOTFOUND;
            v_hrsT := v_hrsT + v_hrs;
           END LOOP;
            OPEN total;
             FETCH total INTO v_idno, v_name, v_code, v_sal, v_payh;
             WHILE total%FOUND LOOP
              IF v_code = 'S' THEN
               v_sal := v_sal / 52;
               DBMS_OUTPUT.PUT_LINE(v_name || ' - Total hours worked is: ' ||  v_hrsT);
                proc_test (v_hrsT); <------------------

              ELSE
                IF v_hrsT > 40 THEN
                 v_OT := v_hrsT - 40;
                 v_OT := v_OT * (v_payh * 1.5);
                 v_OT := v_OT + (40 * v_payh);
                 v_sal := v_OT;
                ELSE
                 v_sal := v_hrsT * v_payh;
                END IF;



                 DBMS_OUTPUT.PUT_LINE(v_name || ' - Total hours worked is: ' || v_hrsT);
proc_test (v_hrsT); <---------------
END IF;
              FETCH total INTO v_idno, v_name, v_code, v_sal, v_payh;
             END LOOP;
            CLOSE total;
           CLOSE paytray;
          END LOOP;
         CLOSE payday;
END;
/
SET SERVEROUTPUT OFF

抱歉，一些代码在最后变得混乱，但我已经在调用过程的地方画了箭头。

错误：

LINE/COL ERROR
-------- -----------------------------------------------------------------
5/1      PL/SQL: Statement ignored
5/1      PLS-00363: expression 'P_INN' cannot be used as an assignment
         target

Answer 1

您的过程需要两个参数，但您用一个参数调用它。

编辑：更改后，您可以像使用变量一样使用参数。这只允许用于 OUT 参数。无论如何，你的计算毫无意义。

为此，请像这样更改您的代码：

CREATE OR REPLACE PROCEDURE proc_test (p_inn IN OUT newtable.totalhours%TYPE) AS

Answer 2

未定义方向的参数默认为IN。我们不能分配（更改）IN 参数的值。你没有定义 P_INN 的方向所以它默认是 IN，所以你不能这样做

p_inn := p_inn - p_inn + 1;

这就是错误消息告诉您的内容。

如果除了插入操作值之外不需要任何操作值，那么就这样做....

CREATE OR REPLACE PROCEDURE proc_test
    (p_inn   newtable.totalhours%TYPE) AS    
BEGIN
    INSERT INTO proceduretest (value)
    VALUES (p_inn - p_inn + 1);
END proc_test;
/

否则使用局部变量：

CREATE OR REPLACE PROCEDURE proc_test
    (p_inn IN  newtable.totalhours%TYPE) 
AS    
    l_inn  newtable.totalhours%TYPE;
BEGIN
    l_inn := p_inn - p_inn + 1;
    INSERT INTO proceduretest (value)
    VALUES (l_inn);
END proc_test;
/

基本游标中的独立过程错误 table

Standalone Procedure Error in Cursor to a basic table

sql

oracle

logic

procedures