IBM Support

IC97350: ESTIMATED COSTS FOR INDEX PATH IS HIGHER THAN SEQUENTIAL SCAN AND INDEX-SKIP-SCAN

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APAR status

  • Closed as program error.

Error description

  • Depending on the table distribution and size, the estimated
costs for index path (index scan) is
higher than sequential scan and index-skip-scan.

Local fix

  • $ onmode -wm MULTI_INDEX_SCAN=0
$ onmode -wm OPTCOMPIND=0

Problem summary

  • ****************************************************************
* USERS AFFECTED:                                              *
* All users                                                    *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Update to IDS-11.70.xC8                                      *
****************************************************************

Problem conclusion

  • Problem Fixed In IDS-11.70.xC8

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IC97350
    • 

  • Reported component name
    INFORMIX SERVER
    • 

  • Reported component ID
    5725A3900
    • 

  • Reported release
    B70
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2013-10-31
    • 

  • Closed date
    2017-06-09
    • 

  • Last modified date
    2017-06-09
    • 





    

  • 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
    INFORMIX SERVER
    • 

  • Fixed component ID
    5725A3900
    • 



Applicable component levels


    

  • RA10  PSN
       UP
    • 

  • RA10  PSY
       UP
    • 

  • RB10  PSN
       UP
    • 

  • RB10  PSY
       UP
    • 

  • RB50  PSN
       UP
    • 

  • RB50  PSY
       UP
    • 

  • RB70  PSN
       UP
    • 

  • RB70  PSY
       UP
    • 

  • RC10  PSN
       UP
    • 

  • RC10  PSY
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"B70","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            09 June 2017
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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