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IT37934: WRONG RESULT WHEN DB2 QUERY HAS CORRELATED EXISTS PREDICATE

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Db2 query may generate wrong result when the following
    conditions are met:
    
    -There is an EXIST subquery predicate
    
    -The subquery predicate has correlation
    
    -There is unique index on the correlated column of the
    predicate.
    

Local fix

  • rewrite the query to avoid above conditions
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * upgrade to v11.1.4.7                                         *
    ****************************************************************
    

Problem conclusion

  • upgrade to v11.1.4.7
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT37934

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-08-09

  • Closed date

    2022-04-17

  • Last modified date

    2022-04-17

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

  • 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

  • RB10 PSN

       UP

  • RB10 PSY

       UP

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
03 May 2022