IBM Support

PM95394: DOING AN UNLOAD USING SELECT WITH 'IN' CLAUSE RESULTS IN ZERO ROWS RETURNED

A fix is available

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • The IN clause optimization is not correctly processed when a
    list of timestamps values is specified. No rows are
    unloaded. The IN clause optimization is only activated
    when number of values is big enough. For timestamp values
    this number is 8.
    
    PB12009
    

Local fix

  • Add FIX(OPTEXP)) to the value of the parmlib ULOPTNS parameter.
    Note: This will disable an optimization process which might
    lower HPU performance.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of DB2 High Performance Unload.        *
    ****************************************************************
    * PROBLEM DESCRIPTION: The IN predicate optimization is not    *
    *                      correctly processed when a list of      *
    *                      Timestamps values is specified.         *
    *                      Zero rows are unloaded.                 *
    *                      The IN clause optimization is only      *
    *                      activated when number of values is big  *
    *                      enough. For timestamp values this       *
    *                      number is 8.                            *
    *                      PB 12009                                *
    ****************************************************************
    * RECOMMENDATION: APPLY the PTF.                               *
    ****************************************************************
    The inznodeh and udbspgsq modules were fixed.
    

Problem conclusion

  • APPLY the PTF.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM95394

  • Reported component name

    DB2 HI PERF UNL

  • Reported component ID

    5697F4400

  • Reported release

    410

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-08-19

  • Closed date

    2013-09-11

  • Last modified date

    2013-10-04

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

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

    UK97441 UK97442

Modules/Macros

  •    INZUTILK
    

Fix information

  • Fixed component name

    DB2 HI PERF UNL

  • Fixed component ID

    5697F4400

Applicable component levels

  • R410 PSY UK97441

       UP13/09/13 P F309

  • R420 PSY UK97442

       UP13/09/13 P F309

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.

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSAUUV","label":"IBM Db2 High Performance Unload for z\/OS"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"410","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
12 February 2021