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IT22175: QUERY FAILING WITH -901 ERROR UNEXPECTED ERROR AT DATATYPEIMPL.HPP:

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Complex query plan  with multiple joins with SUBSTR will cause
    query to fail with -901
    
    Messages in diag log
    
    AssertionFailedException: An assertion 'getBasicType() ==
    TYPE_FIXED_STRING || getBasicType() == TYPE_VARIABLE_STRING ||
    getBasicType() == TYPE_FIXED_BINARY || getBasicType() ==
    TYPE_VARIABLE_BINARY' failed. Additional info: Not a string data
    typeT0
    Thrown at
    /view/db2_v111m1fp2_aix64_s1706091900/vbs/engn/cde/types/DataTyp
    eImpl.hpp : 325
    DATA #2 : Function name in Library, 40 bytes
    ibm_cde::types::DataType::isCU32() const
    
    <<< It is important to see isCU32() to know that this APAR
    applies
    
    further messages:
    APPHDL  : 0-54607              APPID:
    ###.##.###.###.50992.170.##121058
    AUTHID  : XXXX                 HOSTNAME: xxxxxx
    EDUID   : 189891               EDUNAME: db2agnts (XXX) 0
    FUNCTION: DB2 UDB, CDE Trace, cdeDiagnosticsFacility, probe:325
    MESSAGE : SQL0901N  The SQL statement or command failed because
    of a database
              system error. (Reason "".)
    DATA #1 : <preformatted>
    'getBasicType() == TYPE_FIXED_STRING || getBasicType() ==
    TYPE_VARIABLE_STRING || getBasicType() == TYPE_FIXED_BINARY ||
    getBasicType() == TYPE_VARIABLE_BINARY' failed. Info:Not
    a string data typeT0
    CALLSTCK: (Static functions may not be resolved correctly, as
    they are resolved to the nearest symbol)
      [0] 0x090000004E8233A8 pdLogPrintf + 0x28
      [1] 0x090000005F55147C
    done__Q3_7ibm_cde8services24AssertionFailedExceptionFv + 0x4DC
      [2] 0x090000005F553780
    constructAndThrow__Q3_7ibm_cde8services24AssertionFailedExceptio
    nFCQ3_7ibm_cde8services11ComponentIDCPCcCUlN22RCQ3_7ibm_cde8ser
    + 0x1B0
      [3] 0x09000000631D83E8
    addCastOperators__Q3_7ibm_cde5query6ParserFPQ3_7ibm_cde5query10S
    yntaxTreeRCQ3_7ibm_cde5query14QueryResourcesRCQ3_7ibm_cde5query
    + 0x2F28
      [4] 0x09000000631B0F18
    prepare__Q3_7ibm_cde5query6ParserFPQ3_7ibm_cde5query10SyntaxTree
    bi + 0x2C8
      [5] 0x09000000631B3F14
    prepareSingleTableQuery__Q3_7ibm_cde5query6ParserFPQ3_7ibm_cde5q
    uery10SyntaxTreeb + 0xE4
      [6] 0x09000000631AF1A0
    parserWrapper__Q3_7ibm_cde5query6ParserFRCQ2_3std12basic_stringX
    TcTQ2_3std11char_traitsXTc_TQ3_7ibm_cde8services9AllocatorXTc__
    + 0xAC0
      [7] 0x09000000631B35B4
    prepareNestedQuery__Q3_7ibm_cde5query6ParserFPQ3_7ibm_cde5query1
    0SyntaxTreeT1 + 0x284
      [8] 0x09000000631AE9FC
    parserWrapper__Q3_7ibm_cde5query6ParserFRCQ2_3std12basic_stringX
    TcTQ2_3std11char_traitsXTc_TQ3_7ibm_cde8services9AllocatorXTc__
    + 0x31C
      [9] 0x09000000631B35B4
    prepareNestedQuery__Q3_7ibm_cde5query6ParserFPQ3_7ibm_cde5query1
    0SyntaxTreeT1 + 0x284
      [10] 0x09000000631AE9FC
    parserWrapper__Q3_7ibm_cde5query6ParserFRCQ2_3std12basic_stringX
    TcTQ2_3std11char_traitsXTc_TQ3_7ibm_cde8services9AllocatorXTc__
    + 0x31C
      [11] 0x0900000064018C44
    initializeData__12cdeInterfaceFP8sqlrr_cbP17sqlriCdeStatement +
    0x22B4
      [12] 0x0900000064.##7D0
    openTableScan__12cdeInterfaceFP8sqlrr_cbP17sqlriCdeStatement +
    0x90
      [13] 0x09000000507B4D8C
    sqlriCdeSmpOpen__FP8sqlrr_cbP17sqlriCdeStatement + 0x5CC
      [14] 0x09000000507B65A0
    sqlriCdeOpen__FP8sqlrr_cbP17sqlriCdeStatement + 0x120
      [15] 0x09000000507B710C sqlriCdeQuery__FP8sqlrr_cb + 0x50C
      .##] 0x09000000507D4898
    sqlriSectInvoke__FP8sqlrr_cbP12sqlri_opparm + 0x618
      [17] 0x090000005012EC08 sqlrr_smp_router__FP8sqlrr_cb + 0x188
      [18] 0x090000005012B0C8
    sqlrr_subagent_router__FP8sqeAgentP12SQLE_DB2RA_T + 0xFC8
      [19] 0x0900000050110220
    IPRA.$sqleSubRequestRouter__FP8sqeAgentPUiPUl + 0x7C0
      [20] 0x090000005010A2C8 sqleProcessSubRequest__FP8sqeAgent +
    0x2C28
      [21] 0x090000004E9D902C RunEDU__8sqeAgentFv + 0x9EC
      [22] 0x090000004E9BBD20 EDUDriver__9sqzEDUObjFv + 0x2E0
      [23] 0x090000004E8AAC14 sqloEDUEntry + 0x374
      [24] 0x0900000000567E10 _pthread_body + 0xF0
      [25] 0xFFFFFFFFFFFFFFFC ?unknown + 0xFFFFFFFF
    
    .....
    
    2017-08.##-14.10.36.184440+120 I147337786A901       LEVEL:
    Severe
    PID     : .##0726              TID : 189891         PROC :
    db2sysc 0
    INSTANCE: xxxx                 NODE : 000           DB   : XXX
    APPHDL  : 0-54607              APPID:
    ###.##.###.###.50992.170.##121058
    AUTHID  : XXXX                 HOSTNAME: xxxxxx
    EDUID   : 189891               EDUNAME: db2agnts (XXX) 0
    FUNCTION: DB2 UDB, relation data serv, sqlrr_dump_ffdc,
    probe:250
    DATA #1 : SQLCA, PD_DB2_TYPE_SQLCA, 136 bytes
    sqlcaid : SQLCA     sqlcabc: 136   sqlcode: -901   sqlerrml: 40
    sqlerrmc: unexpected error at DataTypeImpl.hpp:325
    sqlerrp : SQLCT001
    sqlerrd : (1) 0x00000000      (2) 0x00000000      (3) 0x00000000
               (4) 0x00000000      (5) 0xFFFFFEBB      (6)
    0x00000000
    sqlwarn : (1)      (2)      (3)      (4)        (5)       (6)
               (7)      (8)      (9)      (10)        (11)
    sqlstate:
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 11.1 Mod 3 Fix Pack 3 or higher               *
    ****************************************************************
    

Problem conclusion

  • First fixed in Db2 11.1 Mod 3 Fix Pack 3
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT22175

  • 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

    2017-08-28

  • Closed date

    2018-03-19

  • Last modified date

    2018-03-19

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

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

    IT23313

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • RB10 PSN

       UP

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
19 March 2018