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2035615 - [ SAP IQ16 ] IQ16 crash issue , due to FP index corruption, happened in lower version of IQ16. Key stack : s_TokenCountTable , GetTokenCount

Symptom

A certain customers, who are using low SP level in IQ16, may encounter server crash issue.
This issue can be produced when DB was created in  < IQ16 SP4.1.

  Stack dump =>
  
      hos_ABORT() ...
      s_TokenCountTable::GetTokenCount() ...
      dfe_BaseColumn::GetFPLTokenCount() ...
      dfe_BaseColumn::HasOneToOneFPLOrdinalMapping() ...
      ...

When DBA ran check table which was relevant with customer's query, it reported like below.

  sp_iqcheckdb 'check table ...'  =>
  
     ===================   ============================== 
     DBCC Verify Mode Report                                                                                 
     ===================   ==============================
     ** DBCC Status                     Errors Detected           
     ...
     Index Statistics 
     ===================   =============================    
     ** Inconsistent Index           xxxx.ASIQ_IDX_T104076_C30_FP   
     ** Inconsistent Index           xxxx.ASIQ_IDX_T104076_C36_FP


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Environment

Lower version of IQ : IQ16 GA or SP01 ~ SP04.

Product

SAP IQ 16.0

Keywords

s_TokenCountTable ,  GetTokenCount ,  "Inconsistent Index" ; , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed

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