IBM Support

IT25229: DB2 MAY ABEND WHILE COMPILING A QUERY CONTAINING REDUNDANT PREDICATE

Subscribe to this APAR

By subscribing, you receive periodic emails alerting you to the status of the APAR, along with a link to the fix after it becomes available. You can track this item individually or track all items by product.

Notify me when this APAR changes.

Notify me when an APAR for this component changes.

 

APAR status

  • Closed as program error.

Error description

  • Db2 may abend while compiling a query containing redundant
predicates.

An example stack trace is seen below.

...
sqlo_trce
sqloEDUCodeTrapHandler
_restore_rt
sqlnr_qun_local_ppd
sqlnr_local_magic_detail
sqlnr_localmagic_action
sqlnr_comp
sqlnr_seq
sqlnr_rcc
sqlnr_magic_detail_action
sqlnr_comp
sqlnr_seq
sqlnr_rcc
sqlnr_endqtb_action
sqlnr_comp
sqlnr_seq
sqlnr_rcc
sqlnr_start_action
sqlnr_comp
sqlnr_seq
sqlnr_rcc
sqlnr_exe
sqlnn_cmpl
...

Here is an example stack trace from Windows:

...
sqlnr_cse_trans_pid
sqlnr_magic_detail_action
sqlnr_max_card_action
sqlnrGlobInfo::initialize
sqlnr_seq
sqlnr_max_card_action
sqlnrGlobInfo::initialize
sqlnr_seq
sqlnr_startqtb_cond
sqlnrGlobInfo::initialize
sqlnr_seq
sqlnr_select_unique
sqlnrGlobInfo::initialize
sqlnr_seq
sqlnr_exe
sqlnn_cmpl
...

Local fix

  • Remove any redundant predicates from the query.

Problem summary

  • ****************************************************************
* USERS AFFECTED:                                              *
* DB2 for LUW users                                            *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to at least Db2 11.1 FP4                             *
****************************************************************

Problem conclusion

  • Problem was first fixed in Db2 11.1 FP4

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT25229
    • 

  • Reported component name
    DB2 FOR LUW
    • 

  • Reported component ID
    DB2FORLUW
    • 

  • Reported release
    A10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2018-06-01
    • 

  • Closed date
    2018-12-26
    • 

  • Last modified date
    2018-12-26
    • 





    

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

    
IT25185
    

    • 

  • 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":"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:
            

            26 December 2018
            

            
            
          

        


        

        


      


    


  





    

  



  
    
      

      
Page Feedback