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LI74101: 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

  • 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.
    

Problem conclusion

  • First fixed in DB2 V9.1 FP 8
    

Temporary fix

Comments

APAR Information

  • APAR number

    LI74101

  • Reported component name

    DB2 UDE ESE LIN

  • Reported component ID

    5765F4104

  • Reported release

    910

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2008-12-31

  • Closed date

    2009-10-08

  • Last modified date

    2009-10-08

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

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

    LI74103 LI74109 IC64028

Fix information

  • Fixed component name

    DB2 UDE ESE LIN

  • Fixed component ID

    5765F4104

Applicable component levels

  • R910 PSY

       UP

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Document Information

Modified date:
17 October 2021