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IC86053: QUERY WITH MULTIPLE CTE AND EXISTENTIAL SUBQUERIES MIGHT PRODUCE INCORRECT RESULTS

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Under rare scenarios, DB2 can produce incorrect results for
    queries which satisfy the following conditions:
      1. The query has atleast one Common Table Expression (CTE)
      2. One or more CTEs have nested existential subqueries
      3. Some subqueries do not have a unique key on the join
    columns
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to db2 Version 10.1 FixPack 2                        *
    ****************************************************************
    

Problem conclusion

  • Problem was first fixed in Version 10.1 FixPack 2
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC86053

  • 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

    2012-08-22

  • Closed date

    2012-12-19

  • Last modified date

    2012-12-19

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

    IC86008

  • 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

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"10.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
19 December 2012