Symptom
- User session terminates unexpectedly.
- INSERT SELECT statement involving UNIONS is performed.
- INSERT is not specifying values for some columns in the table that have defaults.
- Error written to the client session could include
"trying to write when connection is expecting read"
- ASE errorlog contains an infected with signal 11 error in tree*CgpPop::_CgpSubstExprVirtCol(OptBlock*,GcvVirtual*,OptMap<short,tree*,_STL::less<short> >*).
- Stack trace contains the following functions:
tree*CgpPop::_CgpSubstExprVirtCol
void CgpUnion::_cgpInit
void CgpUnion::cgpInit
CgpPop*PopAppendUnionAll<ParallelCost,ParallelProps>::popGenCgp
CgpPop*PopSort<ParallelCost,ParallelProps>::popGenCgp
CgpPop*PopInsert<ParallelCost,ParallelProps>::popGenCgp
CgpPop*PopEmit<ParallelCost,ParallelProps>::popGenCgp
CgpPop*CgpGlobal::CgpGenerate
Optimize
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Environment
- SAP Adaptive Server Enterprise (ASE) 15.7
- SAP Adaptive Server Enterprise (ASE) 16.0
- Sybase Adaptive Server Enterprise (ASE) 15.5
- Sybase Adaptive Server Enterprise (ASE) 15.0
Product
Keywords
CR591842, 591842, SEGV, "segment violation", "storage access violation", kisignal, union, "default value" , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed
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