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2530327 - SAP IQ Abort wth stack trace on s_ColumnVector*s_mergeRHSReader::NextVectorForRollover

Symptom

IQ Server stops due the a stack trace with the following functions:

======

** Error from IQ connection: SA connHandle: 1183 SA connID: 32 IQ connID: 0000622901 User: DBA
** Time of error: 2017-08-31 09:29:11 ** IQ Version: SAP IQ/16.0.110/10318/P/sp11.03
** OS info: IQ built on: Sun_Sparc/OS 5.10, Executed on: SunOS/xxxxxxxdb09n1/5.11/11.3/sun4v
** Command status when error occured: CURSOR ACTIVE
** Command text: execute "proc01"
Dump all thread stacks at stcxtlib/st_server.cxx:1928 for PID: 2031

**************** This is the STACKTRACE ***************

s_ColumnVector*s_mergeRHSReader::NextVectorForRollover

s_mergeFINALWriter::FinalRollover
hs_dpInsert::Rollover
s_mergeFINALWriter::NBitToFlatRolloverForUpdate
s_mergeFINALWriter::DoInsert
hs_dpInsert::Insert(const s_ColumnVector*)
hs_dpUpdate::CompleteFullInsert
hs_dpUpdate::Complete()
db_UpdateCompleteIterator::CompleteIndex(s_indexUpdate*)
db_UpdateCompleteIterator::ExecWork
workAllocator::DoWork
hos_thread::Main

Another variation of stacktrace for the same issue is :

s_ColumnVector*s_mergeRHSReader::NextVectorForRollover
void s_mergeFINALWriter::FinalRollover
void hs_dpInsert::Rollover
int df_FPRolloverIterator::ExecWork
void workAllocator::DoWork
void hos_team::StartWork
void hos_team::Exec
void dfiio_FP::RolloverIfNeeded
void dfiio_FP::PostFetchOpus
void dfo_IndexInsert::PostFetchOpus
int df_CombinerFinalFetchHelper::ExecWork
void workAllocator::DoWork
int hos_thread::Main


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Environment

  • SAP IQ 16.0

Product

SAP IQ 16.0

Keywords

 st_server.cxx s_ColumnVector*s_mergeRHSReader s_mergeFINALWriter::FinalRollove distinct values IQ Abort cardinality columns 786458 789479 , KBA , BC-SYB-IQ , Sybase IQ , Problem

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