IBM Support

IT26621: UNDER RARE CIRCUMSTANCES, DB2 MAY ABEND WHEN A QUERY CONTAINS ANEXPRESSION THAT CAN BE MATCHED TO AN INDEXED EXPRESSION

Fixes are available

Db2 Version 11.1 Mod4 Fix Pack4 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 4 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 6 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 5 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 7 for Linux, UNIX, and Windows

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Under rare circumstances, Db2 may abend when a query contains an
expression that can be matched to an indexed expression.

Here is an example of the stack:

Stack #1             Signal #5
      sqlnq_mch::getMatchingExprCol
      sqlng_build_SQLD_VALS_obj
      sqlng_build_TA_op
      sqlng_process_f_iscan
      sqlng_process_fetch_op
      sqlngProcessLolepop
      sqlng_process_sort_op
      sqlngProcessLolepop
      sqlng_build_thread
      sqlng_scan_derived_table
      sqlng_process_scan_op
      sqlngProcessLolepop
      sqlng_process_mate_op
      ...
      sqlng_scan_derived_table
      sqlng_process_scan_op
      sqlngProcessLolepop
      sqlng_process_mate_op
      sqlngProcessLolepop
      sqlng_process_pipe_op
      sqlngProcessLolepop
      sqlng_process_return_op
      sqlngProcessLolepop
      sqlng_build_thread
      sqlng_main
      sqlnn_cmpl
      sqlnn_cmpl
      sqlra_compile_var

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:                                              *
* ALL                                                          *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Db2 v11.1 m4fp4 or later                          *
****************************************************************

    



Problem conclusion


    

  • Upgrade to Db2 v11.1 m4fp4 or later

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT26621
    • 

  • 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
    2018-10-15
    • 

  • Closed date
    2018-11-27
    • 

  • Last modified date
    2018-11-27
    • 





    

  • 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


    

  • RB10  PSN
       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
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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