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IT23907: IN CDE, INCORRECT RESULTS MIGHT BE RETURNED FOR A QUERY THAT REFERENCES A CORRELATED SCALARY SUBQUERY IN A PREDICATE

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APAR status

  • Closed as program error.

Error description

  • Incorrect result might be returned when an access plan contains
    an RCTQ operator over a FILTER operator that is over a scalar
    subquery subplan.
    
    The following criteria must be satisfied to encounter the issue:
    - the query references a column organized table
    - there is a predicate comparing the result of a scalar subquery
    and a column from the column organized table
    - the scalar subquery is correlated
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * CDE                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 Version 11.1 Modpack 3 Fixpack 3 or later     *
    ****************************************************************
    

Problem conclusion

  • Problem fixed in Db2 Version 11.1 Modpack 3 Fixpack 3
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT23907

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-01-31

  • Closed date

    2018-03-15

  • Last modified date

    2018-03-16

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

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

    IT23938

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • RB10 PSN

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
16 March 2018