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PH71606: OBJECT COMPARE TOOL FAILS TO GENERATE CHANGE WHEN REORDERING COLUMNS IN A TABLE WITH IMPLICITLY HIDDEN COLUMNS

A fix is available

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APAR status

  • Closed as program error.

Error description

  • When comparing a table that has implicitly hidden columns and
    the source has user-visible columns reordered relative to the
    hidden columns, Object Compare incorrectly reports "No delta
    changes to process".
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of Db2 Administration Tool for z/OS    *
    *                 and Db2 Object Comparison Tool for z/OS      *
    ****************************************************************
    * PROBLEM DESCRIPTION: Object Compare reports no changes       *
    *                      when reordering columns in a table      *
    *                      with implicitly hidden columns.         *
    ****************************************************************
    By default, Object Compare ignores the order of hidden
    columns when comparing tables. Therefore, when comparing a table
    that contains implicitly hidden columns with a source table
    whose user-visible columns are ordered differently relative to
    the hidden columns, Object Compare reports no changes.
    Object Compare does not detect the column reordering and
    therefore does not generate the required DROP and CREATE
    statements.
    
    This APAR adds an option to change this behavior:
    
    New option in panel ADB2PCO:
    Ignore hidden column order . . . . . NO (Yes/No. Default is Yes)
    
    New Batch parameter for Compare:
    IGNORE_HIDDEN_COLUMN_ORDER = Y/N
    

Problem conclusion

  • The problem has been fixed.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH71606

  • Reported component name

    DB2 ADMIN TOOL

  • Reported component ID

    568851500

  • Reported release

    D10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2026-06-03

  • Closed date

    2026-09-03

  • Last modified date

    2026-10-02

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

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

    UO09260

Modules/Macros

  • ADB2000  ADB2CM1  ADB2CM2  ADB2CM3  ADB2CME  ADB2CMF  ADB2CMO
    ADB2CMP  ADB2CMR  ADB2CMS  ADB2CMT  ADB2CMU  ADB2PCO  ADBCCM
    ADBEMTAR ADBHPCO
    

Fix information

  • Fixed component name

    DB2 ADMIN TOOL

  • Fixed component ID

    568851500

Applicable component levels

  • RD10 PSY UO09260

       UP26/09/09 P F609

Fix is available

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Document Information

Modified date:
02 October 2026