create temp table as from occur ora-600 处理一例

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本文记录了一个ETL数据库在处理临时表时遇到的ORA-00600错误，详细展示了错误信息及堆栈跟踪。针对此问题，提供了一种通过设置隐含参数_pred_move_around为false的临时解决方案，最终通过应用官方提供的one-off patch 14275161彻底解决了问题。

用户某个ETL 数据库在处理一个临时表时候出现建表失败并遭遇 ORA-00600 报错，具体信息如下：

Oracle Database 11.2.0.4.0 on suse linux 11 sp3

create table tmp_5302_ins_prf_agtlevel_3b as
select distinct a.company_cd, a.agent_level, a.INSURED_RNG_TYPE, b.INSURED_RNG_SUB_TYPE, b.INSURED_RNG_VALUE, a.minus_NOI
from
(select company_cd, agent_level, INSURED_RNG_TYPE, NULL INSURED_RNG_SUB_TYPE, sum(case when INSURED_RNG_VALUE<>'z) Total' then INSURED_RNG_AVG_NOI end)-max(case when INSURED_RNG_VALUE<>'z) Total' then INSURED_RNG_AVG_NOI end) minus_NOI
from qs.tmp_5302_ins_prf_agtlevel_2 a where INSURED_RNG_TYPE='TENURE_RNG'
group by company_cd, agent_level, INSURED_RNG_TYPE, NULL
) a,
(select company_cd, agent_level, INSURED_RNG_TYPE, INSURED_RNG_SUB_TYPE, INSURED_RNG_VALUE
from --??RNG????????INSURED_RNG_VALUE
(select company_cd, agent_level, INSURED_RNG_TYPE, INSURED_RNG_SUB_TYPE, INSURED_RNG_VALUE, row_number() over(partition by company_cd, agent_level, INSURED_RNG_TYPE order by INSURED_RNG_AVG_NOI desc) get_ind
from qs.tmp_5302_ins_prf_agtlevel_2 a where INSURED_RNG_VALUE<>'z) Total' and INSURED_RNG_TYPE='TENURE_RNG')
where get_ind=1
) b
where a.company_cd=b.company_cd and a.agent_level=b.agent_level ;
error info:
ORA-00600: internal error code [rwoirw: check ret val], [], [], [], [], [], [], [], [], [], [], []

alert日志告警如下：

Errors in file /opt/app/oracle/diag/rdbms/cddwh01/cddwh01/trace/cddwh01_ora_7081.trc (incident=12305):
ORA-00600: internal error code, arguments: [rwoirw: check ret val], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /opt/app/oracle/diag/rdbms/cddwh01/cddwh01/incident/incdir_12305/cddwh01_ora_7081_i12305.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
<...snipped..>
Wed Apr 30 10:35:04 2014
Errors in file /opt/app/oracle/diag/rdbms/cddwh01/cddwh01/trace/cddwh01_ora_4837.trc (incident=12194):
ORA-00600: 内部错误代码, 参数: [rwoirw: check ret val], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /opt/app/oracle/diag/rdbms/cddwh01/cddwh01/incident/incdir_12194/cddwh01_ora_4837_i12194.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.

Trace日志：/opt/app/oracle/diag/rdbms/cddwh01/cddwh01/trace/cddwh01_ora_4837.trc

Name
--------
=== ODM Data Collection ===

LOG FILE
--------------
Filename=cddwh01_ora_4837_i12194.trc
See the following:

Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
System name: Linux
Node name: chndsora9
Release: 3.0.76-0.11-default
Version: #1 SMP Fri Jun 14 08:21:43 UTC 2013 (ccab990)
Machine: x86_64
VM name: VMWare Version: 6

*** MODULE NAME:(PL/SQL Developer) 2014-04-30 10:35:04.256
*** ACTION NAME:(Command Window - New) 2014-04-30 10:35:04.256

Dump continued from file: /opt/app/oracle/diag/rdbms/cddwh01/cddwh01/trace/cddwh01_ora_4837.trc
ORA-00600: 内部错误代码, 参数: [rwoirw: check ret val], [], [], [], [], [], [], [], [], [], [], []

*** 2014-04-30 10:35:04.257
dbkedDefDump(): Starting incident default dumps (flags=0x2, level=3, mask=0x0)
----- Current SQL Statement for this session (sql_id=537jv1uw59umd) -----
create table tmp_5302_ins_prf_agtlevel_3b as
select distinct a.company_cd, a.agent_level, a.INSURED_RNG_TYPE, b.INSURED_RNG_SUB_TYPE, b.INSURED_RNG_VALUE, a.minus_NOI
from (select company_cd, agent_level, INSURED_RNG_TYPE, NULL INSURED_RNG_SUB_TYPE, sum(case when INSURED_RNG_VALUE<>'z) Total' then INSURED_RNG_AVG_NOI end)-max(case when INSURED_RNG_VALUE<>'z) Total' then INSURED_RNG_AVG_NOI end) minus_NOI
from qs.tmp_5302_ins_prf_agtlevel_2 a where INSURED_RNG_TYPE='TENURE_RNG'
group by company_cd, agent_level, INSURED_RNG_TYPE, NULL
) a, (select company_cd, agent_level, INSURED_RNG_TYPE, INSURED_RNG_SUB_TYPE, INSURED_RNG_VALUE
from --??RNG????????INSURED_RNG_VALUE
(select company_cd, agent_level, INSURED_RNG_TYPE, INSURED_RNG_SUB_TYPE, INSURED_RNG_VALUE, row_number() over(partition by company_cd, agent_level, INSURED_RNG_TYPE order by INSURED_RNG_AVG_NOI desc) get_ind
from qs.tmp_5302_ins_prf_agtlevel_2 a where INSURED_RNG_VALUE<>'z) Total' and INSURED_RNG_TYPE='TENURE_RNG')
where get_ind=1
) b where a.company_cd=b.company_cd and a.agent_level=b.agent_level

skdstdst <- ksedst1 <- ksedst <- dbkedDefDump <- ksedmp
<- ksfdmp <- dbgexPhaseII <- dbgexProcessError <- dbgeExecuteForError <- dbgePostErrorKGE
<- 2136 <- dbkePostKGE_kgsf <- kgeadse <- kgerinv_internal <- kgerinv
<- kgeasnmierr <- qerhjInitializeMana <- gementComponents <- 2870 <- qerhjFetch
<- gementComponents <- qerghFetch <- rwsfcd <- qerltFetch <- ctcdrv
<- opiexe <- opiosq0 <- kpooprx <- kpoal8 <- opiodr
<- ttcpip <- opitsk <- opiino <- opiodr <- opidrv
<- sou2o <- opimai_real <- ssthrdmain <- main <- libc_start_main
<- start

官方对该bug 的描述如下，并提供了2种解决途径：

Refrence：Bug 14275161 - ORA-600 [rwoirw: check ret val] on CTAS with predicate move around (Doc ID 14275161.8)

第一种是升级到12.1（当前阶段显然不靠谱）
第二种方法：通过设置隐含参数 _pred_move_around 为false来绕过该错误：

Description：
A CTAS (Create table as select) operation undergoing predicate move around 
may fail during execution with an ORA-600 [rwoirw: check ret val]
 
Workaround
 Disable predicate move around before executing the CTAS.
 eg: 
 alter session set "_pred_move_around"=FALSE;

最终由于业务数据库中诸如此类的临时表创建非常的频繁，所以只能从oracle support 拿到该bug 的one-off patch 14275161补丁解决,问题消失。

该patch需要用最新的OPatch 工具apply，具体OPatch 的更新和使用见：OPatch Tool upgrade and using