有个例子,你看看吧 你需要写到一个包中: create or replace package pag_cs_power as type c_Type is ref cursor;
FUNCTION FUN_CS_GETDICTLIST( v_DictIndex in varchar2) return c_Type;end pag_cs_power;存储过程代码:FUNCTION FUN_CS_GETDICTLIST( v_DictIndex in varchar2) return c_Type as c_cursor c_Type; begin open c_cursor for select DICTID,DICTNAME FROM SYS_DICT WHERE DICTINDEX = v_DictIndex; return c_cursor; end FUN_CS_GETDICTLIST;
过程返回记录: 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; /函数返回记录集: CREATE OR REPLACE package pkg_test as /* 定义ref cursor类型 不加return类型,为弱类型,允许动态sql查询, 否则为强类型,无法使用动态sql查询; */ type myrctype is ref cursor;
--函数申明 function get(intID number) return myrctype; end pkg_test; /
CREATE OR REPLACE package body pkg_test as --函数体 function get(intID number) return myrctype is rc myrctype; --定义ref cursor变量 sqlstr varchar2(500); begin if intID=0 then --静态测试,直接用select语句直接返回结果 open rc for select id,name,sex,address,postcode,birthday from student; else --动态sql赋值,用:w_id来申明该变量从外部获得 sqlstr := 'select id,name,sex,address,postcode,birthday from student where id=:w_id'; --动态测试,用sqlstr字符串返回结果,用using关键词传递参数 open rc for sqlstr using intid; end if;
return rc; end get;
end pkg_test; /
惨,信誉分怎么降了?我是这样实现的,select 1+2 as mdata from mtable 实现的
你需要写到一个包中:
create or replace package pag_cs_power as type c_Type is ref cursor;
FUNCTION FUN_CS_GETDICTLIST(
v_DictIndex in varchar2) return c_Type;end pag_cs_power;存储过程代码:FUNCTION FUN_CS_GETDICTLIST(
v_DictIndex in varchar2) return c_Type
as
c_cursor c_Type;
begin
open c_cursor for
select DICTID,DICTNAME FROM SYS_DICT WHERE DICTINDEX = v_DictIndex;
return c_cursor;
end FUN_CS_GETDICTLIST;
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;
/函数返回记录集:
CREATE OR REPLACE
package pkg_test as
/* 定义ref cursor类型
不加return类型,为弱类型,允许动态sql查询,
否则为强类型,无法使用动态sql查询;
*/
type myrctype is ref cursor;
--函数申明
function get(intID number) return myrctype;
end pkg_test;
/
CREATE OR REPLACE
package body pkg_test as
--函数体
function get(intID number) return myrctype is
rc myrctype; --定义ref cursor变量
sqlstr varchar2(500);
begin
if intID=0 then
--静态测试,直接用select语句直接返回结果
open rc for select id,name,sex,address,postcode,birthday from student;
else
--动态sql赋值,用:w_id来申明该变量从外部获得
sqlstr := 'select id,name,sex,address,postcode,birthday from student where id=:w_id';
--动态测试,用sqlstr字符串返回结果,用using关键词传递参数
open rc for sqlstr using intid;
end if;
return rc;
end get;
end pkg_test;
/