A fix is available
APAR status
Closed as program error.
Error description
DB2 Abend with 00C90101 at DSNIDM DSNOGETD 5001 while execute complex query involved with SUBSTR of LOB string. This can be recreate under lab environment. SQL sample: SQL STATEMENT: WITH MAXPKG (LOCATION,COLLID,NAME,CONTOKEN) AS (SELECT P.LOCATION,P.COLLID,P.NAME,SUBSTR(MAX(CHAR(P.PCTIMESTAMP) CONCAT CHAR(P.BINDTIME) CONCAT P.CONTOKEN), 53) AS CONTOKEN FROM SYSIBM.SYSPACKAGE P --WHERE P.LOCATION = ' ' AND P.COLLID = 'CB' --AND P.NAME LIKE 'R%' GROUP BY P.LOCATION,P.COLLID,P.NAME),BIF (LOCATION,COLLID,NAME,CONTOKEN,SEQNO,ZAEHLER,CHARAUFRUF,STMTREST ) AS (SELECT M.LOCATION,M.COLLID,M.NAME,M.CONTOKEN,S.SEQNO, 1 AS ZAEHLER, SUBSTR(SUBSTR(STATEMENT,LOCATE(' CHAR ( ',S.STATEMENT), LOCATE(' ) ', SUBSTR(STATEMENT,LOCATE(' CHAR ( ',S.STATEMENT))) + 1), 1, 50) AS CHARAUFRUF,SUBSTR(S.STATEMENT,LOCATE(' CHAR ( ',S.STATEMENT) + 7) AS STMTREST FROM MAXPKG M, SYSIBM.SYSPACKSTMT S WHERE S.LOCATION = M.LOCATION AND S.COLLID = M.COLLID AND S.NAME= M.NAME AND S.CONTOKEN = M.CONTOKEN AND LOCATE(' CHAR ( ',S.STATEMENT) > 0 AND LOCATE('SELECT ', S.STATEMENT) > 0 UNION ALL SELECT LOCATION,COLLID,NAME,CONTOKEN,SEQNO,ZAEHLER + 1 AS ZAEHLER, SUBSTR(SUBSTR(STMTREST,LOCATE(' CHAR ( ',STMTREST), LOCATE(' ) ', SUBSTR(STMTREST,LOCATE(' CHAR ( ', STMTREST))) + 1) , 1, 50) AS CHARAUFRUF,SUBSTR(STMTREST, LOCATE(' CHAR ( ', STMTREST) + 7) AS STMTREST FROM BIF WHERE ZAEHLER < 100 AND LOCATE(' CHAR ( ', STMTREST) > 0) SELECT SUBSTR(NAME, 1, 8) AS NAME,SEQNO,ZAEHLER,CHARAUFRUF FROM BIF WHERE 1 = 1 AND LOCATE('(', SUBSTR(CHARAUFRUF, 8)) = 0 --###################################################### -- The line below is responsible for the dump. -- After having commented out this line the query works. AND CHARAUFRUF NOT LIKE '%, ISO )' --###################################################### FETCH FIRST 2000 ROWS ONLY WITH UR
Local fix
n/a
Problem summary
**************************************************************** * USERS AFFECTED: All DB2 9 and DB2 10 for z/OS users of LOBs * * used in LIKE predicates. * **************************************************************** * PROBLEM DESCRIPTION: An ABEND04E RC00C90101 can occur at * * location DSNOGETD 5001 when LOB data is * * used in a LIKE predicate. * **************************************************************** * RECOMMENDATION: * **************************************************************** An ABEND04E RC00C90101 can occur unexpectedly at location DSNOGETD 5001 (ERQUAL5001) when LOB data is used in a LIKE predicate. The following example helps to illustrate the problem. 1. Create Table T1 with a LOB column C2 and populate it. CREATE TABLE T1 (C1 INT, C2 CLOB(100)); INSERT INTO T1 VALUES(1, CLOB('DECLARE VMPLR TABLE (EMPLOYEENUMBER CHAR( 6 )' CONCAT ' , PHONENUMBER CHAR ( 4 ) )')); 2. Execute a query which uses C2 in a LIKE predicate. SELECT * FROM T1 WHERE SUBSTR(C2, LOCATE(' CHAR ( ',C2), 50) NOT LIKE '%, ISO )'; The ABEND04E occurs when the above query is executed. The DB2 LOB component does not handle the LOB value properly when it is used in a LIKE predicate.
Problem conclusion
The code in DB2 has been modified to process a LOB column properly when it is used in a LIKE predicate. Additional Keywords: SQLLIKE SQLLOB
Temporary fix
Comments
APAR Information
APAR number
PM76088
Reported component name
DB2 OS/390 & Z/
Reported component ID
5740XYR00
Reported release
A10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-10-29
Closed date
2013-01-15
Last modified date
2013-02-04
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UK90964 UK90965
Modules/Macros
DSNOGETD
Fix information
Fixed component name
DB2 OS/390 & Z/
Fixed component ID
5740XYR00
Applicable component levels
Fix is available
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Document Information
Modified date:
04 February 2013