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IT34655: A COMPLEX XML QUERY INVOLVING XMLTABLE FUNCTION COULD TRAP

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • A complex query with the following characteristic could trap ;
    
    - XMLTABLE functions used
    - Many CSEs (common subexpressions) are used in cascading
    manners
    
    The stack looks like below:
    
    sqlnq_xq_trf_let_qun
    sqlnr_xq_native_optprep
    sqlnr_optprep_chunk2
    sqlnr_optprep_chunk2_action
    sqlnr_comp
    sqlnr_seq
    sqlnr_rcc
    sqlnr_exe
    

Local fix

  • no workaround
    upgrade to Db2 v.11.1.4.FP6
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * no workaround                                                *
    * upgrade to Db2 v.11.1.4.FP7                                  *
    ****************************************************************
    

Problem conclusion

  • upgrade to Db2 v.11.1.4.FP7
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT34655

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-10-23

  • Closed date

    2022-04-17

  • Last modified date

    2022-04-17

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

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

    IT37150 IT37178

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • RB50 PSY

       UP

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
04 May 2022