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IC64028: ENHANCE OUTER JOIN EXEC ORDER/ELIMINATE REDUNDANT OUTER JOIN

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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 9.7 Fix Pack 1.                       *
    ****************************************************************
    

Problem conclusion

  • First fixed in DB2 Version 9.7 Fix Pack 1.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC64028

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-10-22

  • 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 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R970 PSY

       UP

  • R970 PSN

       UP

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Document Information

Modified date:
12 March 2010