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

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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

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
19 March 2018