IBM Support

IT31862: TRAP WHEN COMMON TABLE ACCESSED WITH MULTIPLE COLUMN PREDICATE

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APAR status

  • Closed as program error.

Error description

  • Db2 query may abend when the following conditions are met:
    - The query has multiple Outer Joins
    - At least one outer join is accessed multiple times
    - There is a multiple column local predicate on more than one
    joins and that predicate references one common table referenced
    in those joins.
    - There is a local predicate referencing the common outer join
    

Local fix

  • Reduce optimization level to 0
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * all                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 v11.5.4.0 or higher                           *
    ****************************************************************
    

Problem conclusion

  • Upgrade to Db2 v11.5.4.0 or higher
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT31862

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B50

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-02-13

  • Closed date

    2020-06-30

  • Last modified date

    2020-06-30

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

  • 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

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.5","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
01 July 2020