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3234071 - Query fails with stack trace on Prepare_T2_Mapping(df_Heap.h) - SAP IQ

Symptom

Queries may fail with the following stack trace after upgrading to SAP IQ 16.1 SP05.
The problem reproduces when strings of different lengths are used as join keys.

Non-Fatal IQ Internal Error Detected
df_Heap.h

dfjo_NestedLoop::Prepare_T2_Mapping
dfjo_NestedLoop::PrePrepare
dfo_Join::PrePrepare
dfo::RecursivePrePrepare
dfo::RecursivePrePrepare
dfo::RecursivePrePrepare
dfo_Root::Prepare
st_cursorIQtoSA::Prepare
df_OpenCursor::Prepare
st_command::DoCmdThroughResourceGate
st_iqdml::OpenCursor
UIQDML_OpenCursor


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Environment

SAP IQ 16.1 SP05

Product

SAP IQ 16.1

Keywords

IQ, 16.1, SP05, NestedLoop, Prepare_T2_Mapping, varchar, select, stacktrace , KBA , BC-SYB-IQ , Sybase IQ , Known Error

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