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IT23578: SQL STATEMENT CONTAINING UNION ALL WITH JOINS ON MISMATCH DATA TYPES MIGHT FAIL IN DPF WITH A SQL0901 ERROR

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APAR status

  • Closed as program error.

Error description

  • Your SQL statement might fail in DPF with a SQL0901 if it
    contains the following:
    - a UNION ALL
    - each branch of the UNION contains one or more joins on columns
    with mismatch data types
    - one or more of the columns referenced in the join are in the
    SELECT list
    
    If you hit this failure, you will  see the following in the
    db2diag.log file:
    
    2017-11-21-09.18.36.719390-300 I67997E1072           LEVEL:
    Severe
    PID     : 24158                TID : 140734556530432 PROC :
    db2sysc 1
    INSTANCE: xxxxxx             NODE : 001            DB   : xxxxx
    APPHDL  : 0-53                 APPID: xxxxxx
    AUTHID  : xxxxxx             HOSTNAME: xxxxx
    EDUID   : 202                  EDUNAME: db2agntp (xxxxx) 1
    FUNCTION: DB2 UDB, relation data serv, sqlrr_dump_ffdc,
    probe:250
    MESSAGE : ZRC=0x820B0001=-2113208319=SQLKB_NONSEVERE_PGM_ERROR
              "Non-severe programming error."
              DIA8532C An internal processing error has occurred.
    DATA #1 : SQLCA, PD_DB2_TYPE_SQLCA, 136 bytes
     sqlcaid : SQLCA     sqlcabc: 136   sqlcode: -901   sqlerrml: 39
     sqlerrmc: probe 040 in sqlktins(), msg=sqlkbndn()
     sqlerrp : SQLRI088
     sqlerrd : (1) 0x820B0001      (2) 0x00000001      (3)
    0x00000000
               (4) 0x00000000      (5) 0xFFFFFE0C      (6)
    0x00000001
     sqlwarn : (1)      (2)      (3)      (4)        (5)       (6)
               (7)      (8)      (9)      (10)        (11)
     sqlstate:
    
    2017-11-21-09.37.17.455219-300 I210047E524           LEVEL:
    Error
    PID     : 29742                TID : 140734065796864 KTID : 1926
    PROC    : db2sysc 1
    INSTANCE: xxxxxx             NODE : 001            DB   : xxxxxx
    APPHDL  : 0-55                 APPID: xxxxxx
    AUTHID  : xxxxxx             HOSTNAME: xxxxxx
    EDUID   : 149                  EDUNAME: db2agntp (xxxxxx) 1
    FUNCTION: DB2 UDB, bucket map services, sqlkbptn, probe:447
    DATA #1 : <preformatted>
    [0] unexpected src len > can_len (25 > 14)
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 11.1 Mod 4 Fixpack 6 or higher                *
    ****************************************************************
    

Problem conclusion

  • First fixed in Db2 11.1 Mod 4 Fixpack 6
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT23578

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-12-26

  • Closed date

    2021-02-22

  • Last modified date

    2021-02-22

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

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

    IT35997

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • RB10 PSN

       UP

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
04 May 2022