怎样用存储过程返回记录集
CREATE OR REPLACE PACKAGE pkg_test
AS
TYPE myrctype IS REF CURSOR;
PROCEDURE get (p_id NUMBER, p_rc OUT myrctype);
END pkg_test;
/
CREATE OR REPLACE PACKAGE BODY pkg_test
AS
PROCEDURE get (p_id NUMBER, p_rc OUT myrctype)
IS
sqlstr VARCHAR2 (500);
BEGIN
IF p_id = 0 THEN
OPEN p_rc FOR
SELECT ID, NAME, sex, address, postcode, birthday
FROM student;
ELSE
sqlstr :=
'select id,name,sex,address,postcode,birthday
from student where id=:w_id';
OPEN p_rc FOR sqlstr USING p_id;
END IF;
END get;
END pkg_test;
/
CREATE OR REPLACE PACKAGE pkg_test
AS
TYPE myrctype IS REF CURSOR;
PROCEDURE get (p_id NUMBER, p_rc OUT myrctype);
END pkg_test;
/
CREATE OR REPLACE PACKAGE BODY pkg_test
AS
PROCEDURE get (p_id NUMBER, p_rc OUT myrctype)
IS
sqlstr VARCHAR2 (500);
BEGIN
IF p_id = 0 THEN
OPEN p_rc FOR
SELECT ID, NAME, sex, address, postcode, birthday
FROM student;
ELSE
sqlstr :=
'select id,name,sex,address,postcode,birthday
from student where id=:w_id';
OPEN p_rc FOR sqlstr USING p_id;
END IF;
END get;
END pkg_test;
/
create or replace package pkg_test
as
type myCursor is ref cursor;
function get(p_id number) return myCursor;
end pkg_test;
--包体
create or replace package body pkg_test
as
--******************************************************************
--输入ID 返回记录集的函数
function get(p_id number) return myCursor is
rc myCursor;
strsql varchar2(200);
begin
if p_id=0 then
open rc for select a.user_name from fnd_user a ;
else
strsql:='select a.user_name from fnd_user a where a.user_id=:p_id';
open rc for strsql using p_id;
end if;
return rc;
end get;
end pkg_test;--调用
set serverout on
declare
w_rc pkg_test.myCursor;
w_name varchar2(100);
begin
w_rc:=pkg_test.get(0);
loop
fetch w_rc into w_name;
exit when w_rc%notfound;
dbms_output.put_line(w_name);
end loop;
end;
/
--在JAVA中调用过程,你可以到这里参考一下:http://www.cnjsp.org/view.jsp?column=2&id=576
不过为什么都是要自己先定义一个CURSOR呢,“TYPE myrctype IS REF CURSOR;”我发现直接用CURSOR好像通不过,如下
Function get return cursor
is cr cursor;
begin
open cr for 'select code from a';
return cr;
end get;
不过为什么都是要自己先定义一个CURSOR呢,“TYPE myrctype IS REF CURSOR;”我发现直接用CURSOR好像通不过,如下
Function get return cursor
is cr cursor;
begin
open cr for 'select code from a';
return cr;
end get;