PI94862: ABEND04E RC00E2000C DSNSVSVB OFFSET0B06 OCCURS WHEN TOO MANY CASE EXPRESSIONS WITH NUMBER LITERALS IN THE ORDER BY CLAUSE

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• ABEND04E RC00E2000C DSNSVSVB OFFSET0B06 ( CALLER DSNXOEM ->
  DSNXEAB ) occurs on a query when there are huge number of CASE
  expressions with number literals in the ORDER BY clause
  Additional keywords:
  SQLCASE SQLORDERBY DB2STGLK/K
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All Db2 11 for z/OS users of an SQL          *
  *                 statement that contains large number of      *
  *                 numeric constants in expressions.            *
  ****************************************************************
  * PROBLEM DESCRIPTION: ABEND04E RC00E2000C at the location     *
  *                      DSNXEAB DSNSVSVB OFFSET0B06 may occur   *
  *                      for an SQL statement that contains      *
  *                      large number of numeric constants in    *
  *                      expressions.                            *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  An example is shown below:
  
  SELECT *
  FROM T1
  ORDER BY CASE WHEN C1 = 1
                  THEN 1
                ELSE C1
           END,
           CASE WHEN C1 = 2
                  THEN 2
                ELSE 2
           END,
  ...
           CASE WHEN C1 = 10000
                  THEN 10000
                ELSE 10000
           END
  ;
  
  The abend may occur for the statement above because Db2 ran out
  of storage when matching the CASE expressions.
  

Problem conclusion

• Db2 has been modified to remove the abend for the aforementioned
  SQL statement.
  
  Additional keywords: SQLSTOR SQLSTORAGE
  

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:

  UI56369

Modules/Macros

•    DSNXOEM
  

Fix information

• Fixed component name

  DB2 OS/390 & Z/

• Fixed component ID

  5740XYR00

Applicable component levels

• RB10 PSY UI56369

     UP18/06/23 P F806

Fix is available

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