Oracle中如何恢复被删掉的存储过程?(一)

2014-11-24 12:53:21 · 作者: · 浏览: 0

在某些时候,容易误删存储过程,那么针对存储过程被删除了,我们如何进行恢复呢 ? 这里为大家进行讲解。

1. 创建测试存储过程
SQL> conn roger/roger
Connected.
SQL> CREATE OR REPLACE PROCEDURE proc_test_drop
2 AS
3 BEGIN
4 FOR x IN (SELECT sysdate FROM dual)
5 LOOP
6 DBMS_OUTPUT.put_line (x.sysdate);
7 END LOOP;
8 END proc_test_drop;
9 /

Procedure created.

SQL> set serveroutput on
SQL> exec proc_test_drop;

06-AUG-13

PL/SQL procedure successfully completed.

SQL>

SQL> l
1* select text,name from dba_source where owner='ROGER' and name='PROC_TEST_DROP'
SQL> /

TEXT NAME
------------------------------------------------- ------------------------------
PROCEDURE proc_test_drop PROC_TEST_DROP
AS PROC_TEST_DROP
BEGIN PROC_TEST_DROP
FOR x IN (SELECT sysdate FROM dual) PROC_TEST_DROP
LOOP PROC_TEST_DROP
DBMS_OUTPUT.put_line (x.sysdate); PROC_TEST_DROP
END LOOP; PROC_TEST_DROP
END proc_test_drop; PROC_TEST_DROP

8 rows selected.

SQL> show user
USER is "SYS"
SQL> conn roger/roger
Connected.
SQL> drop PROCEDURE proc_test_drop;

Procedure dropped.

SQL> select text,name from dba_source where owner='ROGER' and name='PROC_TEST_DROP';

no rows selected

SQL>

―-利用闪回查询进行恢复
CREATE OR REPLACE FORCE VIEW “SYS”.”DBA_SOURCE” (“OWNER”, “NAME”, “TYPE”, “LINE”, “TEXT”) AS
select u.name, o.name,
decode(o.type#, 7, ‘PROCEDURE’, 8, ‘FUNCTION’, 9, ‘PACKAGE’,
11, ‘PACKAGE BODY’, 12, ‘TRIGGER’, 13, ‘TYPE’, 14, ‘TYPE BODY’,
‘UNDEFINED’),
s.line, s.source
from sys.obj$ o, sys.source$ s, sys.user$ u
where o.obj# = s.obj#
and o.owner# = u.user#
and ( o.type# in (7, 8, 9, 11, 12, 14) OR
( o.type# = 13 AND o.subname is null))
union all
select /*+ ordered */ distinct u.name, o.name, ‘JAVA SOURCE’, s.joxftlno, s.joxf
tsrc
from sys.obj$ o, x$joxfs s, sys.user$ u
where o.obj# = s.joxftobn
and o.owner# = u.user#
and o.type# = 28

SQL> conn /as sysdba
Connected.
SQL> select text from dba_source as of timestamp sysdate-5/60/24 where owner='ROGER' and name='PROC_TEST_DROP';

TEXT
-----------------------------------------------------------------
PROCEDURE proc_test_drop
AS
BEGIN
FOR x IN (SELECT sysdate FROM dual)
LOOP
DBMS_OUTPUT.put_line (x.sysdate);
END LOOP;
END proc_test_drop;

8 rows selected.

SQL>


―-通过基表进行恢复
SQL> alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';

Session altered.

SQL> select sysdate from dual;

SYSDATE
-------------------
2013-08-06 02:46:21

SQL> select obj# from obj$ as of timestamp to_timestamp('2013-08-06 02:40:00', 'YYYY-MM-DD HH24:MI:SS') where name='PROC_TEST_DROP';

OBJ#
----------
52148

SQL>
SQL> set long 9999999
SQL> select source
2 from source$ as of timestamp to_timestamp('2013-08-06 02:40:00', 'YYYY-MM-DD HH24:MI:SS')
3 where obj# = 52148
4 order by line;

SOURCE
--------------------------------------------------------------------------------------------------------------------------
PROCEDURE proc_test_drop
AS
BEGIN
FOR x IN (SELECT sysdate FROM dual)
LOOP
DBMS_OUTPUT.put_line (x.sysdate);
END LOOP;
END proc_test_drop;

8 rows selected.

SQL>

++++利用odu等工具进行恢复

SYS_SOURCE$.sql:

CREATE TABLE “SYS”.”SOURCE$”
(
“OBJ#” NUMBER NOT NULL,
“LINE” NUMBER NOT NULL,
“SOURCE” VARCHAR2(4000)
);

SYS_SOURCE$.ctl:


Generated by ODU,for table “SYS”.”SOURCE$”

OPTIONS(BINDSIZE=8388608,READSIZE=8388608,ERRORS=-1,ROWS=50000)
LOAD DATA
INFILE ‘SYS_SOURCE$.txt’ “STR X’0a’”
APPEND INTO TABLE “SYS”.”SOURCE$”
FIELDS TERMINATED BY X’7c’ TRAILING NULLCOLS
(
“OBJ#” ,
“LINE” ,
“SOURCE” CHAR(4000)
)

更改owner,然后将数据加载到roger