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2197694 - Signal 11 at Pop<ParallelCost, ParallelProps>::popIsCollocated() when running a complex query with a CIS table - SAP ASE

Symptom

  • In rare environment, running a complex query with CIS table raises an "Infected with Signal 11" error followed by a stack trace:

Current process (0x6fa06fa) infected with signal 11 (SIGSEGV)                                                                                    
Address 0x0x000000000119a21d (Pop<ParallelCost, ParallelProps>::popIsCollocated() const+0x1f), siginfo (code, address) = (1, 0x0x000000000000000c)

  • The stack trace includes modules: 

Pop<ParallelCost, ParallelProps>::popIsCollocated()
Pop<ParallelCost, ParallelProps>::popChildrenCollocated()
global constructors keyed to _ZN9PartRules8RuleBindEP4NodeI3LopEP7PopBase
Pop2<ParallelCost, ParallelProps>::_popApplyPartRules(PartRules**, unsigned int, bitstr&)

  • After using "set noexec on" and re-running the SQL, it returns the same stack trace in the ASE errorlog before a query plan is generated.


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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.5
  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; Sybase Adaptive Server Enterprise 15.5

Keywords

proxy, popIsCollocated, CR787054, CR#787054, 787054,  statistics , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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