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PM38025: INCORRECT OUTPUT WHEN LIKE PREDICATE IS USED AS MATCHING PREDICATE AND COLUMN IS CREATED WITH MIXED.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Incorrect output when LIKE predicate is used as matching
    predicate and column is created with MIXED.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users running statements when a like         *
    *                 predicate is used as the matching predicate  *
    *                 and the column is used with mixed data if    *
    *                 parallelism is enabled.                      *
    ****************************************************************
    * PROBLEM DESCRIPTION: If statements use a like predicate      *
    *                      as the matching predicate and the       *
    *                      column is used with mixed data when     *
    *                      parallelism is enabled, incorrect       *
    *                      output may occur.                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    If parallelism is enabled for statements using a like predicate
    as the matching predicate and the column is used with mixed
    data, DB2 could possibly cut the key ranges wrong and incorrect
    ouput may occur.
    

Problem conclusion

  • If parallelism is enabled for statements using a like predicate
    as the matching predicate and the column is used with mixed
    data, DB2 will cut the key ranges correctly.
    
    Additional Keywords:
    SQLPARALLELISM  SET CURRENT DEGREE ANY SQLCPUP
    SQLINCORR  INCORROUT SQLINCORROUT SQLLIKE
    

Temporary fix

  • *********
    * HIPER *
    *********
    DISABLE PARALLELISM
    

Comments

APAR Information

  • APAR number

    PM38025

  • Reported component name

    DB2 OS/390 & Z/

  • Reported component ID

    5740XYR00

  • Reported release

    A10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-04-28

  • Closed date

    2011-08-13

  • Last modified date

    2011-09-01

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

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

    UK70810 UK70811 UK70809

Modules/Macros

  • DSNXOLFQ
    

Fix information

  • Fixed component name

    DB2 OS/390 & Z/

  • Fixed component ID

    5740XYR00

Applicable component levels

  • RA10 PSY UK70809

       UP11/08/30 P F108

  • R810 PSY UK70810

       UP11/08/30 P F108

  • R910 PSY UK70811

       UP11/08/30 P F108

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

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Document Information

Modified date:
01 September 2011