Oracle失效对象自动重新编译

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--创建自动编译失效过程事务记录表
declare
tabcnt integer := 0;
begin
select count(*) into tabcnt from dba_tables where table_name='RECOMPILE_LOG';
if tabcnt = 0 then
execute immediate 'create table recompile_log(rdate date,errmsg varchar2(200))';
end if;
end;
/


--创建编译失效对象的存储过程
create or replace procedure recompile_invalid_objects
as
str_sql varchar2(200); --中间用到的sql语句
p_owner varchar2(20);  --所有者名称，即SCHEMA
errm varchar2(200);   --中间错误信息
begin
/*****************************************************/
p_owner := 'owner';/***用户名*************************/
/*****************************************************/
insert into recompile_log(rdate, errmsg) values(sysdate,'time to recompile invalid objects');

--编译失效存储过程
for invalid_procedures in (select object_name from all_objects
where status = 'INVALID' and object_type = 'PROCEDURE' and owner=upper(p_owner))
loop
str_sql := 'alter procedure ' ||invalid_procedures.object_name || ' compile';
begin
execute immediate str_sql;
exception
When Others Then
begin
errm := 'error by obj:'||invalid_procedures.object_name||' '||sqlerrm;
insert into recompile_log(rdate, errmsg) values(sysdate,errm);
end;
end;
end loop;

--编译失效函数
for invalid_functions in (select object_name from all_objects
where status = 'INVALID' and object_type = 'FUNCTION' and owner=upper(p_owner))
loop
str_sql := 'alter function ' ||invalid_functions.object_name || ' compile';
begin
execute immediate str_sql;
exception
When Others Then
begin
errm := 'error by obj:'||invalid_functions.object_name||' '||sqlerrm;
insert into recompile_log(rdate, errmsg) values(sysdate,errm);
end;
end;
end loop;


--编译失效包
for invalid_packages in (select object_name from all_objects
where status = 'INVALID' and object_type = 'PACKAGE' and owner=upper(p_owner))
loop
str_sql := 'alter package ' ||invalid_packages.object_name || ' compile';
begin
execute immediate str_sql;
exception
When Others Then
begin
errm := 'error by obj:'||invalid_packages.object_name||' '||sqlerrm;
insert into recompile_log(rdate, errmsg) values(sysdate,errm);
end;
end;
end loop;

--编译失效类型
for invalid_types in (select object_name from all_objects
where status = 'INVALID' and object_type = 'TYPE' and owner=upper(p_owner))
loop
str_sql := 'alter type ' ||invalid_types.object_name || ' compile';
begin
execute immediate str_sql;
exception
When Others Then
begin
errm := 'error by obj:'||invalid_types.object_name||' '||sqlerrm;
insert into recompile_log(rdate, errmsg) values(sysdate,errm);
end;
end;
end loop;


--编译失效索引
for invalid_indexs in (select object_name from all_objects
where status = 'INVALID' and object_type = 'INDEX' and owner=upper(p_owner))
loop
str_sql := 'alter index ' ||invalid_indexs.object_name || ' rebuild';
begin
execute immediate str_sql;
exception
When Others Then
begin
errm := 'error by obj:'||invalid_indexs.object_name||' '||sqlerrm;
insert into recompile_log(rdate, errmsg) values(sysdate,errm);
end;
end;
end loop;


--编译失效触发器
for invalid_triggers in (select object_name from all_objects
where status = 'INVALID' and object_type = 'TRIGGER' and owner=upper(p_owner))
loop
str_sql := 'alter trigger ' ||invalid_triggers.object_name || ' compile';
begin
execute immediate str_sql;
exception
When Others Then
begin
errm := 'error by obj:'||invalid_triggers.object_name||' '||sqlerrm;
insert into recompile_log(rdate, errmsg) values(sysdate,errm);
end;
end;
end loop;

end;
/


--创建任务计划，每天早上8点整执行该任务，且保证此任务有且只有一个
declare
jobcnt integer :=0;
job_recompile number := 0;
str_sql varchar2(200);
begin
select count(*) into jobcnt from all_jobs where what = 'recompile_invalid_objects;' and broken = 'N';
if jobcnt > 0 then
for jobs in (select job from all_jobs where what = 'recompile_invalid_objects;' and broken = 'N')
loop
str_sql := 'begin dbms_job.remove('||jobs.job||'); end;';
begin
execute immediate str_sql;
exception
When Others Then null;
end;
end loop;
end if;
--创建任务计划
dbms_job.submit(job_recompile,'recompile_invalid_objects;',sysdate,'TRUNC(SYSDATE + 1) + 8/24');
--启动任务计划
dbms_job.run(job_recompile);
end;
/