2198951 - Query crash at dflib\dfo_Join.cxx:480 - SAP IQ

A query consistently fails in dfo_Join::ValidateLocalInternalConsistency (dflib\dfo_Join.cxx:480).

Excerpt of stack trace:

===== Thread Number  23392  (IQ connID: 0000001593) =====
I. 09/30 09:46:03. 0000001593 pc: 0x00000000E0AC2517:  void __cdecl pcpstack(unsigned long,unsigned long,class db_log * __ptr64,class hos_fd * __ptr64,int) 00000001805e2400 f hos_stacktrace.obj +0x117
I. 09/30 09:46:03. 0000001593 pc: 0x00000000E0AC4656:  void __cdecl StackTraceForThisThread(char const * __ptr64,int,char const * __ptr64,char const * __ptr64,char const * __ptr64) 00000001805e4260 f hos_stacktrace.obj +0x3f6
I. 09/30 09:46:03. 0000001593 pc: 0x00000000E04F3968:  public: __cdecl df_Exception::df_Exception(char const * __ptr64,int,enum df_Exception::df_ErrorCode,char const * __ptr64,char const * __ptr64,class dfo const * __ptr64,class df_Evaluable const * __ptr64) __ptr64 0000000180012660 f df_Exception.obj +0x1308
I. 09/30 09:46:03. 0000001593 pc: 0x00000000E04F4166:  public: static void __cdecl df_Exception::ThrowException(char const * __ptr64,int,enum df_Exception::df_ErrorCode,char const * __ptr64,char const * __ptr64,class dfo const * __ptr64,class df_Evaluable const * __ptr64) 0000000180014120 f df_Exception.obj +0x46
I. 09/30 09:46:03. 0000001593 pc: 0x00000000E0697038:  protected: virtual void __cdecl dfo_Join::ValidateLocalInternalConsistency(void)const __ptr64 00000001801b6850 f dfo_Join.obj +0x7e8
I. 09/30 09:46:03. 0000001593 pc: 0x00000000E064C020:  protected: void __cdecl dfo::ValidateInternalConsistency(void)const __ptr64 000000018016bff0 f dfo.obj +0x30
I. 09/30 09:46:03. 0000001593 pc: 0x00000000E064C020:  protected: void __cdecl dfo::ValidateInternalConsistency(void)const __ptr64 000000018016bff0 f dfo.obj +0x30
I. 09/30 09:46:03. 0000001593 pc: 0x00000000E064C020:  protected: void __cdecl dfo::ValidateInternalConsistency(void)const __ptr64 000000018016bff0 f dfo.obj +0x30
I. 09/30 09:46:03. 0000001593 pc: 0x00000000E06C5882:  public: virtual void __cdecl dfo_Root::Prepare(void) __ptr64 00000001801e5250 f dfo_Root.obj +0x632
...
I. 09/30 09:46:03. 0000001593     ******************* End of STACKTRACE ******************
I. 09/30 09:46:03. 0000001593     **
I. 09/30 09:46:03. 0000001593     **       End of stack trace from Non-Fatal IQ Internal Error dflib\dfo_Join.cxx:480
I. 09/30 09:46:03. 0000001593     **
I. 09/30 09:46:03. 0000001593     ********************************************************
I. 09/30 09:46:03. 0000001593     
I. 09/30 09:46:03. 0000001593 Exception Thrown from dflib\dfo_Join.cxx:480, Err# 0, tid 2 origtid 2
I. 09/30 09:46:03. 0000001593    O/S Err#: 0, ErrID: 9216 (df_Exception); SQLCode: -1006001, SQLState: 'QBA01', Severity: 23
I. 09/30 09:46:03. 0000001593 [20239]: IQ Internal error. Please report this to SAP IQ support. 
-- (dflib\dfo_Join.cxx 480)  
-- (dflib\dfo_Join.cxx 480)

IQ 16 SP 8.x

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