IT19370: DB2 MAY ABEND IN AN MPP ENVIRONMENT WHEN A QUERY INVOLVES XML COLUMNS AND THE KEYWORD DISTINCT

DB2 Version 11.1 Mod 2 Fix Pack 2 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 3 Fix Pack 3 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod4 Fix Pack4 iFix001 for Linux, UNIX, and Windows

APAR status

• Closed as program error.

Error description

• DB2 may trap or otherwise terminate abnormally in a DPF/MPP
  environment when a query involves XML and the DISTINCT keyword.
  
  Due to the nature of the error, stacks may look like, but are
  not limited to ones like:
  
  0x090000000A85F344 @59@sqlkt_tq_save_tuple__FP9sqlri_taol + 0xC8
  0x090000000A85EF48
  @59@sqlkt_tq_find_winner__FP8sqeAgentP9sqlri_taoP11SQLKT_SLDESP5
  sqlcaPUiPUl + 0x498
  0x090000000A860AE4 sqlktfts__FP8sqeAgentP9sqlri_taoP5sqlcaPUiPUl
  + 0xF40
  0x090000000A8613D4 sqlritqa__FP8sqlrr_cb + 0x6C4
  0x090000000867337C sqlriSectInvoke__FP8sqlrr_cbP12sqlri_opparm +
  0x74
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * ALL                                                          *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to DB2 11.1 Mod 2 Fix Pack 2 or higher               *
  ****************************************************************
  

Problem conclusion

• First fixed in DB2 11.1 Mod 2 Fix Pack 2
  

Temporary fix

Comments

APAR Information

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

  IT19223

• 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