过程可以返回结果集合,关键是是使用引用游标
测试表:table_test--建立包
create or replace package pkg_test as
--定义一个返回类型为表table_test的记录结构的引用游标类型rc_test
type rc_test is ref cursor return table_test%rowtype;
--声明过程,参数是类型为rc_test的引用游标cur,传出参数
procedure get_data(cur out rc_test);
end pkg_test;--定义包体
create or replace package body pkg_test as
procedure get_data(cur out rc_test) is
begin
open cur for select * from table_test;
end get_data;
end pkg_test;
测试表:table_test--建立包
create or replace package pkg_test as
--定义一个返回类型为表table_test的记录结构的引用游标类型rc_test
type rc_test is ref cursor return table_test%rowtype;
--声明过程,参数是类型为rc_test的引用游标cur,传出参数
procedure get_data(cur out rc_test);
end pkg_test;--定义包体
create or replace package body pkg_test as
procedure get_data(cur out rc_test) is
begin
open cur for select * from table_test;
end get_data;
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;
/函数返回记录集:
建立带ref cursor定义的包和包体及函数:
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;
/
没有区别
我在SQLPLUS中执行:excute pkg_test.get(p_id,p_rc),但是报错!
该怎么写执行语句呢?
(Sorry,我是菜鸟)
create or replace procedure p_get_goodslist
(p_spell_code in varchar2,
p_goodlist out sys_refcursor)
is
begin
open p_goodlist for
select uscode, ypname from t_medicare_ypalia where spell_code like p_spell_code||'%'
union all
select uscode, ypname from t_medicare_zypalia where spell_code like p_spell_code||'%';
end p_get_goodslist;
function FinCheckLog_list(cur_finchecklog_list out sys_refcursor)
return number is
begin
open cur_FinCheckLog_list for
select * from sqlStr;
return 0;
exception
when others then
return -1;
end;
Execute ???????????
各位高手可否给个列子?----------------------------------------------------------------------------------
谢谢,但是执行存储过程时,怎样写参数呢?比如beckhambobo(beckham) 写的存储过程PROCEDURE get (p_id NUMBER, p_rc OUT myrctype)!
我在SQLPLUS中执行:excute pkg_test.get(p_id,p_rc),但是报错!
该怎么写执行语句呢?
(Sorry,我是菜鸟)
sqlplus 中这么使用refcursor:
variable p_rc refcursor
excute pkg_test.get(p_id,:p_rc);
print c
勇气!挖,同志,你太挖苦人了吧!
无误无误无误外55555555555555555555555555……………………………………………………
用using关键词传递参数的时候能否同时传递两个或多个参数啊?
如果能,那么过程或函数该怎么写啊?
bl table%rowtype;
begin
select * into bl
from table
where 1>0;
end;