oracle chain

时间：2014-05-06 19:44:11 阅读：571 评论：0 收藏：0 [点我收藏+]

[oracle@tyger dbs]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Tue May 6 13:02:41 2014

Copyright (c) 1982, 2005, Oracle. All rights reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

/* 创建测试用户tyger 赋予权限 */

SYS@ORCL>drop user tyger cascade;

User dropped.

SYS@ORCL>create user tyger identified by tyger account unlock;

User created.

SYS@ORCL>grant connect,resource to tyger;

Grant succeeded.

SYS@ORCL>conn tyger/tyger
Connected.

/* 创建序列 seq_chain 以及测试表 tab1 tab2 tab3 */

TYGER@ORCL>create sequence seq_chain;

Sequence created.

TYGER@ORCL>create table tab1(id number(5),cdate date,sdate date default sysdate);

Table created.

TYGER@ORCL>create table tab2(id number(5),cdate date,sdate date default sysdate);

Table created.

TYGER@ORCL>create table tab3(id number(5),cdate date,sdate date default sysdate);

Table created.

/* 创建program 报错权限不足 */

TYGER@ORCL>begin
DBMS_SCHEDULER.CREATE_PROGRAM (
program_name => ‘CHAIN_P1‘,
program_type => ‘PLSQL_BLOCK‘,
program_action => ‘begin
execute immediate ‘‘insert into tab1(id,cdate)
values(seq_chain.nextval,add_months(sysdate,seq_chain.currval))‘‘;
end;‘,
enabled => true);
end;
/
2 3 4 5 6 7 8 9 10 11
*
ERROR at line 1:
ORA-27486: insufficient privileges
ORA-06512: at "SYS.DBMS_ISCHED", line 5
ORA-06512: at "SYS.DBMS_SCHEDULER", line 30
ORA-06512: at line 2

/* 赋予必要权限以及接下去实验需要的权限 */

TYGER@ORCL>conn / as sysdba
Connected.
SYS@ORCL>grant create job to tyger;

Grant succeeded.

SYS@ORCL>grant create evaluation context to tyger;

Grant succeeded.

SYS@ORCL>grant create rule set to tyger;

Grant succeeded.

SYS@ORCL>grant create rule to tyger;

Grant succeeded.

/* 创建program */

SYS@ORCL>conn tyger/tyger
Connected.

TYGER@ORCL>begin
DBMS_SCHEDULER.CREATE_PROGRAM (
program_name => ‘CHAIN_P1‘,
program_type => ‘PLSQL_BLOCK‘,
program_action => ‘begin
execute immediate ‘‘insert into tab1(id,cdate)
values(seq_chain.nextval,add_months(sysdate,seq_chain.currval))‘‘;
end;‘,
enabled => true);
end;
/
2 3 4 5 6 7 8 9 10 11
PL/SQL procedure successfully completed.

TYGER@ORCL>begin
DBMS_SCHEDULER.CREATE_PROGRAM (
program_name => ‘chain_step2‘,
program_type => ‘PLSQL_BLOCK‘,
program_action => ‘begin
execute immediate ‘‘insert into tab2(id,cdate)
values(seq_chain.nextval,add_months(sysdate,seq_chain.currval))‘‘;
end;‘,
enabled => true);
end;
/
2 3 4 5 6 7 8 9 10 11
PL/SQL procedure successfully completed.

TYGER@ORCL>begin
DBMS_SCHEDULER.CREATE_PROGRAM (
program_name => ‘CHAIN_P3‘,
program_type => ‘PLSQL_BLOCK‘,
program_action => ‘begin
execute immediate ‘‘insert into tab3(id,cdate)
values(seq_chain.nextval,add_months(sysdate,seq_chain.currval))‘‘;
end;‘,
enabled => true);
end;
/
2 3 4 5 6 7 8 9 10 11
PL/SQL procedure successfully completed.

/* 创建链tyger_chain */

TYGER@ORCL>exec dbms_scheduler.create_chain(‘tyger_chain‘);

PL/SQL procedure successfully completed.

TYGER@ORCL>select chain_name from user_scheduler_chains;

CHAIN_NAME
------------------------------
TYGER_CHAIN

/* 创建chain step

为链TYGER_CHAIN 添加step ，可以一个一个的添加，也可以一下全部添加 */

TYGER@ORCL>
TYGER@ORCL>begin
dbms_scheduler.define_chain_step(
chain_name =>‘TYGER_CHAIN‘,
step_name =>‘CHAIN_STEP1‘,
program_name => ‘CHAIN_P1‘);
end;
/
2 3 4 5 6 7
PL/SQL procedure successfully completed.

TYGER@ORCL>begin
dbms_scheduler.define_chain_step(
chain_name =>‘TYGER_CHAIN‘,
step_name =>‘CHAIN_STEP2‘,
program_name => ‘chain_step2‘);
dbms_scheduler.define_chain_step(
chain_name =>‘TYGER_CHAIN‘,
step_name =>‘chain_step3‘,
program_name => ‘CHAIN_P3‘);
end;
/
2 3 4 5 6 7 8 9 10 11
PL/SQL procedure successfully completed.

/* 查看创建的step 是否成功 */

TYGER@ORCL>col chain_name for a16
TYGER@ORCL>col step_name for a16
TYGER@ORCL>col program_name for a16
TYGER@ORCL>select chain_name,step_name,program_name
2 from user_scheduler_chain_steps;

CHAIN_NAME STEP_NAME PROGRAM_NAME
---------------- ---------------- ----------------
TYGER_CHAIN CHAIN_STEP1 CHAIN_P1
TYGER_CHAIN CHAIN_STEP2 CHAIN_P2
TYGER_CHAIN CHAIN_STEP3 CHAIN_P3

/* 为链创建规则 */

/* 规则：首先执行 chain_step1,成功完成后执行 chain_step2 ,成功完成后执行 chain_step3,成功完成后，结束。 */

TYGER@ORCL>
TYGER@ORCL>begin
DBMS_SCHEDULER.DEFINE_CHAIN_RULE (
chain_name => ‘TYGER_CHAIN‘,
condition => ‘true‘,
action => ‘start CHAIN_STEP1‘,
rule_name => ‘rule_01‘);
DBMS_SCHEDULER.DEFINE_CHAIN_RULE (
chain_name => ‘TYGER_CHAIN‘,
condition => ‘CHAIN_STEP1 SUCCEEDED‘,
action => ‘start chain_step2‘,
rule_name => ‘rule_02‘);
DBMS_SCHEDULER.DEFINE_CHAIN_RULE (
chain_name => ‘TYGER_CHAIN‘,
condition => ‘chain_step2 SUCCEEDED‘,
action => ‘start chain_step3‘,
rule_name => ‘rule_03‘);
DBMS_SCHEDULER.DEFINE_CHAIN_RULE (
chain_name => ‘TYGER_CHAIN‘,
condition => ‘chain_step3 SUCCEEDED‘,
action => ‘END 0‘,
rule_name => ‘rule_04‘);
END;
/
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
PL/SQL procedure successfully completed.

/* 启用链 tyger_chain */

TYGER@ORCL>exec dbms_scheduler.enable(‘TYGER_CHAIN‘);

PL/SQL procedure successfully completed.

手动运行链 tyger_chain

TYGER@ORCL>begin
DBMS_SCHEDULER.RUN_CHAIN (
chain_name =>‘TYGER_CHAIN‘,
start_steps =>‘CHAIN_STEP1‘);
end;
/
2 3 4 5 6
PL/SQL procedure successfully completed.

/* 验证
是不是按照我们设计的规则 tab1 -> tab2 -> tab3 ->exit 完成的。 */

TYGER@ORCL>alter session set nls_date_format=‘yyyy-mm-dd hh24:mi:ss‘;

Session altered.

TYGER@ORCL>select * from tab1;

ID CDATE SDATE
---------- ------------------- -------------------
1 2014-06-06 13:14:24 2014-05-06 13:14:24

TYGER@ORCL>select * from tab2;

ID CDATE SDATE
---------- ------------------- -------------------
2 2014-07-06 13:14:25 2014-05-06 13:14:25

TYGER@ORCL>select * from tab3;

ID CDATE SDATE
---------- ------------------- -------------------
3 2014-08-06 13:14:25 2014-05-06 13:14:25

TYGER@ORCL>

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oracle chain

标签：oracle作业链

原文地址：http://blog.csdn.net/wanghui5767260/article/details/25121293

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