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PH51643: OPTIMIZATION_HINT HAS NO EFFECT ON ACCESS PATH

A fix is available

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • The optimization hint specified by the OPTIMIZATION_HINT option
    has no effect on the access path used by Db2 when retrieving the
    data for the SELECT statement involved in a logical unload
    processed in SQL mode as requested by the DB2 FORCE option.
    
    This occurs if the specified optimization hint has is less than
    128 character long.
    

Local fix

  • Consider to use a 128 character long optimization hint.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of Db2 High Performance Unload         *
    *                 for z/OS                                     *
    ****************************************************************
    * PROBLEM DESCRIPTION: The optimization hint specified by the  *
    *                      OPTIMIZATION_HINT option has no effect  *
    *                      on the access path used by Db2 when     *
    *                      retrieving the data for the SELECT      *
    *                      statement involved in a logical unload  *
    *                      run in SQL mode requested by the DB2    *
    *                      FORCE option.                           *
    *                                                              *
    *                      This occurs if the specified            *
    *                      optimization hint has is less than 128  *
    *                      character long.                         *
    ****************************************************************
    * RECOMMENDATION: Apply the PTF                                *
    ****************************************************************
    OPTIMIZATION_HINT has no effect on access path
    

Problem conclusion

  • Code has been changed to fix this problem
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH51643

  • Reported component name

    DB2 HI PERF UNL

  • Reported component ID

    5697F4400

  • Reported release

    510

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2022-12-26

  • Closed date

    2023-02-13

  • Last modified date

    2023-03-01

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

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

Modules/Macros

  • INZCRXSM INZCRXSQ INZUTILK
    

Fix information

  • Fixed component name

    DB2 HI PERF UNL

  • Fixed component ID

    5697F4400

Applicable component levels

  • R510 PSY UI90505

       UP23/02/17 P F302

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

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Document Information

Modified date:
01 March 2023