IC89415: READ STABILITY ISOLATION IS NOT ENFORCED UNDER CERTAIN SQL ACCESS PLANS

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • In SQL access plans where a table is accessed at least twice,
    the DB2 server might not retain locks required to preserve read
    stability during the entire SQL execution.  Locks might be
    released for rows that satisfy matching criteria on the first
    access, and requested and held later only as the rows are
    retrieved by the application.
    
    Symptoms might include lost updates, duplicate row retrievals
    across applications, and inconsistent results within a
    transaction.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All users                                                    *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 version 10.1.0.3.                             *
    ****************************************************************
    

Problem conclusion

  • The problem is first fixed in DB2 version 10.1.0.3.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC89415

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    A10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-01-08

  • Closed date

    2013-09-27

  • Last modified date

    2013-09-27

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

    IC89412

  • 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

  • RA10 PSN

       UP



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Document information


More support for:

DB2 for Linux, UNIX and Windows

Software version:

10.1

Reference #:

IC89415

Modified date:

2013-09-27

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