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IT34626: -874 OR -768 WHEN REPEATEDLY OPENING/CLOSING A CURSOR INVOLVING AGGREGATES AND HOST VARIABLES

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APAR status

  • Closed as program error.

Error description

  • A cursor for a query involving aggregates (count(distinct),
sum(), avg(), ...) and host variables for filters, opened and
closed repeatedly, would crash in optimizer, i.e. return -874 or
-768, upon e.g. third time around.

Stacks observed:

 afsig_handler
<signal frame>
 oplooksubq
 ... can be multiple ...
 oplooksubq
 sqoptim
 sqbind
 sq_common_bind
 sqmain

  afsig_handler
<signal frame>
 remrelease
 oplooksubq
 oplooksubq
 remrelease
 closecb
 close_cb_subtree
 closesdb
 doreleasesdb
 sqscb_cleanup
 destroy_session

 afsig_handler
<signal frame>
 cpexpr
 cpexpr
 itbldquery
 itcallbldquery
 itbldroot
 sqoptim
 sqbind
 sq_common_bind
 sqmain

 afsig_handler
<signal frame>
 gettypeexpr
 gettypeexpr
 itbldquery
 itcallbldquery
 itbldroot
 sqoptim
 sqbind
 sq_common_bind
 sqmain

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC15 and 14.10.xC5.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Informix Server 12.10.xC15 (when available) or    *
* 14.10.xC5.                                                   *
****************************************************************

    



Problem conclusion


    

  • Fixed in Informix Server 12.10.xC15 and 14.10.xC5.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT34626
    • 

  • Reported component name
    INFORMIX SERVER
    • 

  • Reported component ID
    5725A3900
    • 

  • Reported release
    E10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2020-10-21
    • 

  • Closed date
    2020-12-09
    • 

  • Last modified date
    2020-12-09
    • 





    

  • 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


    








      
              
                            

              

              [{"Line of Business":{"code":null,"label":null},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"E10"}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            10 December 2020
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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