SAP Knowledge Base Article - Preview

2839210 - Infected with Signal 11 in EquivClass::eqcFindPdTreeLogProps - SAP ASE

Symptom

  • A user running a query with select distinct, where clauses, and order by is unexpectedly disconnected.
  • ASE errorlog contains an infected with signal 11 (SIGSEGV) error with a stack trace on function EquivClass::eqcFindPdTreeLogProps.
  • The following functions in the stack trace:

EquivClass::eqcGetPdTreeLogProps
EqcN::eqcGenNlJoinPop
PopReptnIndScan<ParallelCost, ParallelProps>::_popAvailPartCompute
OptBlock::OptDeepPdTransform
OptBlock::OptPostProcess
SearchEngine::SeFindOptimal
OptGlobal::_GblSearchEngine
OptGlobal::GblOptimize
Optimize
s_compile_stmt
s_compile



Environment

SAP Adaptive Server Enterprise (ASE) 16.0 SP03 PL05 and higher 

Product

SAP Adaptive Server Enterprise 16.0

Keywords

EquivClass::eqcFindPdTreeLogProps EquivClass::eqcGetPdTreeLogProps EqcN::eqcGenNlJoinPop PopReptnIndScan<ParallelCost, ParallelProps>::_popAvailPartCompute OptBlock::OptDeepPdTransform OptBlock::OptPostProcess SearchEngine::SeFindOptimal SearchEngine::SeFindOptimal OptGlobal::_GblSearchEngine OptGlobal::GblOptimize CR 820058 CR820058 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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