PH36262: SQL JOIN WITH DB2 AND POSTGRES SLOW PERFORMANCE

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• SQL JOIN with only DB2 performs well. When adding POSTGRES table
  to the SQL, the SQL query takes longer time to execute.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: ALL USERS                                    *
  *                                                              *
  ****************************************************************
  * PROBLEM DESCRIPTION: Db2 query performance hit when          *
  *                      adding Postgres                         *
  *                      Intermittent SRB SYSTEM ABEND X'0C3'    *
  *                      AT INSQLE/OPVDFSQL+X'00004DE6'          *
  *                      FULL AND RIGHT OUTER JOINS IS           *
  *                      HAVING INCORRECT RESULTSET              *
  *                      DB2 Direct data not returned            *
  *                      in correct format                       *
  ****************************************************************
  * RECOMMENDATION: APPLY PTF                                    *
  ****************************************************************
  Db2 query performance hit when adding Postgres
  Intermittent SRB SYSTEM ABEND X'0C3' AT
  INSQLE/OPVDFSQL+X'00004DE6'
  FULL AND RIGHT OUTER JOINS IS HAVING INCORRECT RESULTSET
  DB2 Direct data not returned in correct format
  

Problem conclusion

Temporary fix

Comments

APAR Information

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

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

  UI75628

Modules/Macros

• AVZ$63EE AVZ$63EM AVZ$M3E0 AVZ$M3E1 AVZ$M3E2 AVZ$M3E3 AVZ$M3E4
  AVZ$M3E5 AVZCCLMR AVZCCLRW AVZCCUCB AVZCPIOU AVZCPRSE AVZCSQOP
  AVZMDTBL AVZOAPDR AVZOBRSQ AVZODARU AVZODF9D AVZODF9N AVZODFAD
  AVZODFAN AVZODFBD AVZODFBN AVZODFCD AVZODFCN AVZODFDD AVZODFDN
  AVZOFSQL AVZOINSQ AVZOLI9D AVZOLI9N AVZOLIAD AVZOLIAN AVZOLIBD
  AVZOLIBN AVZOLICD AVZOLICN AVZOLIDD AVZOLIDN AVZOPMS  AVZOPPA
  AVZOPST  AVZOTBEV AVZPB    AVZSQ29D AVZSQ29N AVZSQ2AD AVZSQ2AN
  AVZSQ2BD AVZSQ2BN AVZSQ2CD AVZSQ2CN AVZSQ2DD AVZSQ2DN AVZSQL9D
  AVZSQL9N AVZSQLAD AVZSQLAN AVZSQLBD AVZSQLBN AVZSQLCD AVZSQLCN
  AVZSQLDD AVZSQLDN
  

Fix information

• Fixed component name

  DATA VIRT MGR Z

• Fixed component ID

  5698DVM00

Applicable component levels

• R110 PSY UI75628

     UP21/06/02 P F106

Fix is available

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