--创建自动编译失效过程事务记录表
declaretabcnt integer := 0;
beginselect count(*) into tabcnt from dba_tables where table_name='RECOMPILE_LOG';if tabcnt = 0 thenexecute 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
asstr_sql varchar2(200);  --中间用到的sql语句p_owner varchar2(20);   --所有者名称，即SCHEMAerrm 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_objectswhere status = 'INVALID' and object_type = 'PROCEDURE' and owner=upper(p_owner))loopstr_sql := 'alter procedure ' ||invalid_procedures.object_name || ' compile';beginexecute immediate str_sql;exceptionWhen Others Thenbeginerrm := '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_objectswhere status = 'INVALID' and object_type = 'FUNCTION' and owner=upper(p_owner))loopstr_sql := 'alter function ' ||invalid_functions.object_name || ' compile';beginexecute immediate str_sql;exceptionWhen Others Thenbeginerrm := '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_objectswhere status = 'INVALID' and object_type = 'PACKAGE' and owner=upper(p_owner))loopstr_sql := 'alter package ' ||invalid_packages.object_name || ' compile';beginexecute immediate str_sql;exceptionWhen Others Thenbeginerrm := '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_objectswhere status = 'INVALID' and object_type = 'TYPE' and owner=upper(p_owner))loopstr_sql := 'alter type ' ||invalid_types.object_name || ' compile';beginexecute immediate str_sql;exceptionWhen Others Thenbeginerrm := '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_objectswhere status = 'INVALID' and object_type = 'INDEX' and owner=upper(p_owner))loopstr_sql := 'alter index ' ||invalid_indexs.object_name || ' rebuild';beginexecute immediate str_sql;exceptionWhen Others Thenbeginerrm := '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_objectswhere status = 'INVALID' and object_type = 'TRIGGER' and owner=upper(p_owner))loopstr_sql := 'alter trigger ' ||invalid_triggers.object_name || ' compile';beginexecute immediate str_sql;exceptionWhen Others Thenbeginerrm := '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 thenfor jobs in (select job from all_jobs where what = 'recompile_invalid_objects;' and broken = 'N')loopstr_sql := 'begin dbms_job.remove('||jobs.job||'); end;';beginexecute immediate str_sql;exceptionWhen 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;
/