IC89715: Bad performace when using Sybase nickname with BIGINT column predicates

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • The logical and mathematical expression with BIGINT can't be
    pushed down by Sybase wrapper.
    E.g. Here testnick is Sybase nickname,  c1 is BIGINT type:
    update  testnick set c2='aa' where c1=1003898714
    

Local fix

  • alter nickname <your_nickname> alter column <bigint_column>
    local type DECIMAL(19, 0)
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Bad performace when using Sybase nickname with BIGINT column *
    * predicates                                                   *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to version 10.1 fixpack 3.                           *
    ****************************************************************
    

Problem conclusion

  • This problem is fixed in version 10.1 fixpack 3.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC89715

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    A10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-01-22

  • Closed date

    2013-10-30

  • Last modified date

    2013-10-30

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

    JR44555

  • 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

  • RA10 PSY

       UP



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Document information


More support for:

DB2 for Linux, UNIX and Windows

Software version:

10.1

Reference #:

IC89715

Modified date:

2013-10-30

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