2018324 - Non Fatal crash in dfo::ValidateLocalInternalConsistency - SAP IQ

• Executing a query with UNION fails with non fatal error:

Exception Thrown from dfo.cxx:10131, Err# 0, tid 39 origtid 39
O/S Err#: 0, ErrID: 9216 (df_Exception); SQLCode: -1006001, SQLState: 'QBA01', Severity: 23
IQ Internal error. Please report this to Sybase IQ support.
-- (dfo.cxx 10131)
-- (dfo.cxx 10131)

• It does not crash the server but generates stack trace and the following in IQ log:

********************************************************
**       Non-Fatal IQ Internal Error Detected
**       at dfo.cxx:10131  on thread 3365775104 (TID 39)
**       Error detected at DFO #36 Order By (Parallel outputs)
**       for expression: SWITCH(0, 0)  (qb:2, addr:0x7efeb8ee75c8)
**
**       Please report this to Sybase IQ support
**       with the following diagnostic information,
**       and, if possible, with the user's command.
**
**  Error from IQ connection:  SA connHandle: 187555  SA connID: 22  IQ connID: 0004011970  User: XXXX

**  Time of error:  2014-05-05 13:21:25
**  IQ Version:  Sybase IQ/15.4.0/120309/P/ESD 1
**  OS info:  IQ built on: Enterprise Linux64 - x86_64 - 2.6.18-194.el5,  Executed on: Linux/XXXXXXX/2.6.32-279.5.2.el6.x86_64/#1
I.. 0004011970     **  Command status when error occured:  CURSOR ACTIVE
I.. 0004011970     **  Command text: ...............................................................................;

• In the stack trace you can find the following functions:

pcstkwalk
ucstkgentrace
StackTraceForThisThread
df_Exception::df_Exception
df_Exception::ThrowException
dfo::ValidateLocalInternalConsistency
dfo::ValidateInternalConsistency

SAP IQ 15.4 ESD 1

KBA , BC-SYB-IQ , Sybase IQ , Bug Filed