Symptom
Query with Dense_Rank() function generates a non-fatail stack trace at dflib/dfo_cOrderBy.cxx in the function dfo_OrderBy::ValidateLocalInternalConsistency.
In the query plan, there are tens of Leaf (Shadow) nodes.
Excerpt of the stack trace
********************************************************
**
** Non-Fatal IQ Internal Error Detected
** at dflib/dfo_cOrderBy.cxx:370 on thread 2590435072 (TID 23)
** Error detected at DFO #22 Order By (Per-Work-Unit) (shadow 1 of #07)
dfo_OrderBy::ValidateLocalInternalConsistency
dfo::ValidateInternalConsistency
dfo::ValidateInternalConsistency
dfo::ValidateInternalConsistency
dfo::ValidateInternalConsistency
fo::ValidateInternalConsistency
dfo::ValidateInternalConsistency
dfo::ValidateInternalConsistency
dfo::ValidateInternalConsistency
dfo::ValidateInternalConsistency
dfo::ValidateInternalConsistency
dfo_Root::Prepare
db_dmlcommand::ExecuteDFOTree
db_InsertRoot::Execute
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Environment
IQ 16 SP 4 PL 10
Product
Keywords
CR#781571 ; CR781571 ; 781571 ; dfo::ValidateInternalConsistency ; , KBA , BC-SYB-IQ , Sybase IQ , Problem
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