IBM Support

LI74103: ENHANCE OUTER JOIN EXEC ORDER/ELIMINATE REDUNDANT OUTER JOIN

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • This is an enhancement on left and right outer join. More
    selective outer join will be identified and executed earlier.
    Also improve the capability to find more unnecessary outer join
    and then remove it.
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * N/A                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * This is an enhancement on left and right outer join.         *
    * Moreselective outer join will be identified and              *
    * executedearlier. Also improve the capability to find         *
    * moreunnecessary outer join and then remove it.               *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 Version 9.5 Fix Pack 5.                       *
    ****************************************************************
    

Problem conclusion

  • First fixed in DB2 Version 9.5 Fix Pack 5.
    

Temporary fix

Comments

APAR Information

  • APAR number

    LI74103

  • Reported component name

    DB2 UDE ESE LIN

  • Reported component ID

    5765F4104

  • Reported release

    950

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2008-12-31

  • Closed date

    2010-03-12

  • Last modified date

    2010-03-12

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

    LI74101

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

Fix information

  • Fixed component name

    DB2 UDE ESE LIN

  • Fixed component ID

    5765F4104

Applicable component levels

  • R950 PSN

       UP

  • R950 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":"950","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
17 October 2021