IBM Support

IT23812: INSTANCE TRAP IS POSSIBLE WHEN QUERY AGAINST COLUMN ORGANIZED TABLES WITH OLAP SPECIFICATION IS RUN

Fixes are available

Db2 Version 11.1 Mod 3 Fix Pack 3 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix002 for Linux, UNIX, and Windows

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • IF QUERY WITH OLAP SPECIFICATION IS RUN AGAINST COLUMN ORGANIZED
TABLES INSTANCE COULD TRAP WITH THE FOLLOWING STACK:

sqloEDUCodeTrapHandler
__intel_ssse3_rep_memcpy
ibm_cde8services20SpillableWriteCursor10writeChunk
ibm_cde5query14SpillableDequeINS0_8WorkUnit
ibm_cde5query13OlapEvaluator24manageWorkUnitPoolMemory
ibm_cde5query27LookaheadEvaluatorBaseClassINS_5types7DecimalES3_
S3_S3_Lb0EE13mainOperation
ibm_cde5query13OlapEvaluator26processInputsSynchronously
ibm_cde5query9Evaluator8evaluateEbbRNS1_21EvaluatorRestartStateE
PNS0_19OptPredicateTracker
ibm_cde5query17EvaluationRoutine8evaluateEjP15sql_static_data
ibm_cde5query9Scheduler13evaluateChainEPNS0_17EvaluationRoutine
ibm_cde5query9Scheduler15runWorkerThread

Local fix

  • turn off OLAP in COLUMNAR ORGANIZED logic:

db2set DB2_REDUCED_OPTIMIZATION=COL_NO_OLAP

The pans will move OLAP logic above CTQ lolepop.

Problem summary

  • ****************************************************************
* USERS AFFECTED:                                              *
* Columnar organized tables and OLAP specifications            *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description.                                       *
****************************************************************
* RECOMMENDATION:                                              *
* Please, install this fix.                                    *
****************************************************************

Problem conclusion

  • See Error Description.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT23812
    • 

  • Reported component name
    DB2 FOR LUW
    • 

  • Reported component ID
    DB2FORLUW
    • 

  • Reported release
    B10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2018-01-23
    • 

  • Closed date
    2018-03-19
    • 

  • Last modified date
    2018-03-19
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    

  • Fixed component name
    DB2 FOR LUW
    • 

  • Fixed component ID
    DB2FORLUW
    • 



Applicable component levels


    

  • RB10  PSN
       UP
    • 








      
          
                    

          

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Document Information


            

            


                        

            Modified date:
            

            19 March 2018
            

            
            
          

        


        

        


      


    


  





    

  



  
    
      

      
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