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ORA-600 [KKQSPROCESSDMAPDISJ:BADPREP] on Select With MView Involved (Doc ID 801273.1)

Last updated on FEBRUARY 21, 2024

Applies to:

Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.1]
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.


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Select statement with mview involved fails with:
ORA-00600: internal error code, arguments: [kkqsProcessDMapDisj:badprep], [], [], [], [], [], [], []

The example below shows when the error can occur:

The ORA-600 error trace file shows:

*** 2007-08-01 13:50:38.188
ksedmp: internal or fatal error
ORA-00600: internal error code, arguments: [kkqsProcessDMapDisj:badprep], [], [], [], [], [], [], []
Current SQL statement for this session:
select 0 as layer, count(*) as n
from t where cl2 not in (4)
order by 1,2
----- Call Stack Trace -----
ksedmp kgerinv kgeasnmierr kkqsProcessDMapDisj kkqsPickBestMMVPlan kkqsMMVGeneralContD
kkqsMultiMVContDrv kkqsedrv kkqsrqb kkqsrmav kkqsRewriteCurrentQ kkqscqb kkqsptq kkqsptqur
kkqsrdrv kkqdrv opiSem opiDeferredSem opitca kksFullTypeCheck rpiswu2 kksLoadChild
kxsGetRuntimeLock kksfbc kkspsc0 kksParseCursor opiosq0 kpooprx kpoal8 opiodr ttcpip opitsk
opiino opiodr opidrv sou2o opimai_real main start




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