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PH36711: INCORRECT DATA FOR LOB UNLOADED IN SQL MODE INTO SPANNED DATASET

A fix is available

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APAR status

  • Closed as program error.

Error description

  • (HPU 5.1 only) The output field for a LOB data unload is
    incorrect (the first 65511 of the output field are correct, the
    rest of the field is filled in with duplicates of the first
    65511 bytes)..
    This occurs if all the following conditions are fulfilled:
    - the SPANNED YES option is specified
    - the unload is run in SQL mode
    - the LOB length in bytes is greater than 65510
    - the setting for the VUU041/ULOCSIZE parmlib parameter is
    greater than 65510
    

Local fix

  • set VUU041/ULOCSIZE to a value less or equal to 65510 or, if
    applicable, run the unload in native mode.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of Db2 High Performance Unload         *
    *                 for z/OS                                     *
    ****************************************************************
    * PROBLEM DESCRIPTION: The output field for a LOB data unload  *
    *                      is incorrect (the first 65511 of the    *
    *                      output field are correct, the rest of   *
    *                      the field is filled in with duplicates  *
    *                      of the first 65511 bytes).              *
    *                                                              *
    *                      This occurs if all the following        *
    *                      conditions are fulfilled:               *
    *                      - the SPANNED YES option is specified   *
    *                      - the unload is run in SQL mode         *
    *                      - the LOB length in bytes is greater    *
    *                        than 65510                            *
    *                      - the setting for the VUU041/ULOCSIZE   *
    *                        parmlib parameter is greater than     *
    *                        65510                                 *
    ****************************************************************
    * RECOMMENDATION: Apply the PTF                                *
    ****************************************************************
    Incorrect data for LOB unloaded in SQL mode into spanned dataset
    

Problem conclusion

  • Code has been changed to fix this problem
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH36711

  • 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

    2021-04-27

  • Closed date

    2021-06-08

  • Last modified date

    2021-07-02

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

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

Modules/Macros

  • INZUTILK
    

Fix information

  • Fixed component name

    DB2 HI PERF UNL

  • Fixed component ID

    5697F4400

Applicable component levels

  • R510 PSY UI75766

       UP21/06/18 P F106

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:
03 July 2021