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CREATE OR REPLACE PACKAGE PG_MERGESORT IS
-- Author : wealth_khb@126.com
-- Created : 2009-10-20 10:09:16
-- Purpose :
TYPE EMP_SSN_ARRAY IS TABLE OF NUMBER INDEX BY BINARY_INTEGER; ---ÉùÃ÷Êý×éÀàÐÍ
BEST_EMPLOYEES EMP_SSN_ARRAY; ----Êý×é
BIG_UPPER INTEGER;
MIDDLE_VALUE NUMBER; ---------×î´ó
-- Public function and procedure declarations
------³õʼ»¯¹ý³Ì
PROCEDURE PRO_MERGESORT(UPPER_N IN NUMBER);
FUNCTION FUN_MERGESORT(UPPER_ARRAY IN EMP_SSN_ARRAY) RETURN EMP_SSN_ARRAY;
FUNCTION FUN_MERGE(LEFT_ARRAY IN EMP_SSN_ARRAY,
RIGHT_ARRAY IN EMP_SSN_ARRAY) RETURN EMP_SSN_ARRAY;
END PG_MERGESORT;
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CREATE OR REPLACE PACKAGE BODY PG_MERGESORT IS
PROCEDURE PRO_MERGESORT(UPPER_N IN NUMBER) IS
V_EMP_SSN_ARRAY EMP_SSN_ARRAY;
V_L INTEGER;
BEGIN
V_L := 1;
BIG_UPPER := UPPER_N; ---×î´ó³¤¶È
------¶ÔÊý×鸳ֵ
FOR X IN 1 .. BIG_UPPER LOOP
BEST_EMPLOYEES(X) := X * (DBMS_RANDOM.VALUE(X, 1));
END LOOP;
---·µ»Ø
DBMS_OUTPUT.PUT_LINE('ÅÅÐòǰ'||V_EMP_SSN_ARRAY.COUNT||'¸ö');
FOR P IN BEST_EMPLOYEES.FIRST .. BEST_EMPLOYEES.LAST LOOP
DBMS_OUTPUT.PUT_LINE(BEST_EMPLOYEES(P));
END LOOP;
V_EMP_SSN_ARRAY := FUN_MERGESORT(BEST_EMPLOYEE
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fetch next from pcurr into @ProductName
while (@@fetch_status = 0)
begin
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fetch next from pcurr into @ProductName
end
close pcurr
deallocate pcurr ......
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