IBM Support

IT04184: THE OPTIMIZER CHOOSES A BAD QUERY PLAN WHEN DATA DISTRIBUTION ISAVAILABLE FOR THE COLUMN.

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APAR status

  • Closed as program error.

Error description

  • When data distribution is available after update statistics
high, the optimizer will choose a bad query plan when the result
is filtered on rows that do not exist.

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:                                              *
* All users                                                    *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Update to IDS-11.70.xC9                                      *
****************************************************************

    



Problem conclusion


    

  • Problem Fixed In IDS-11.70.xC9

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT04184
    • 

  • 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
    2014-09-04
    • 

  • 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
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            09 June 2017
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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