FIX: Insert with SUBSTRING Operation Fails if JOIN Comparison is Based on NULL Values and LIKE Clause

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Article ID: 278980 - View products that this article applies to.
This article was previously published under Q278980
This article has been archived. It is offered "as is" and will no longer be updated.
BUG #: 57864 (SQLBUG_70)
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SYMPTOMS

If you compare columns in two tables by using the LIKE clause in a Join operation and the data in one of the columns is null, and you then perform an INSERT operation into a table with a SUBSTRING function, an access violation may occur.

The client terminates with the following error message:
ODBC: Msg 0, Level 19, State 1
SqlDumpExceptionHandler: Process 7 generated fatal exception c0000005
EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process.
Connection Broken

WORKAROUND

Change the LIKE clause to an equality operator "=" (equal sign).

STATUS

Microsoft has confirmed this to be a problem in SQL Server 7.0. This problem has been corrected in U.S. Service Pack 3 for Microsoft SQL Server 7.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
274799 INF: How to Obtain Service Pack 3 for Microsoft SQL Server 7.0 and Microsoft Data Engine (MSDE) 1.0
For more information, contact your primary support provider.

MORE INFORMATION

The stack dump in the errorlog is:
0x00426f15 Module(sqlservr+26f15) (CSsStr::LConvertToStr+2e)
0x00427164 Module(sqlservr+27164) (CTEsConvertToStr::RsltConvertArg+e4)
0x0041228d Module(sqlservr+1228d) (CEs::GeneralEval+c6)
0x004d1029 Module(sqlservr+d1029) (CParamInfo::FUpdate+30)
0x00422805 Module(sqlservr+22805) (CQScanNLJoin::OpenInner+30)
0x00422328 Module(sqlservr+22328) (CQScanNLJoin::GetRow+f8)
0x004cf1c8 Module(sqlservr+cf1c8) (CQScanFilter::GetRow+18)
0x004222fc Module(sqlservr+222fc) (CQScanNLJoin::GetRow+5a)
0x004222fc Module(sqlservr+222fc) (CQScanNLJoin::GetRow+5a)
0x004222fc Module(sqlservr+222fc) (CQScanNLJoin::GetRow+5a)
0x00425331 Module(sqlservr+25331) (CQScanFetch::GetRow+4e)
0x00427740 Module(sqlservr+27740) (CQScanStreamAggregate::GetRow+3c)
0x004cf174 Module(sqlservr+cf174) (CQScanAssert::GetRow+1c)
0x004223a3 Module(sqlservr+223a3) (CQScanNLJoin::GetRow+120)
0x004222fc Module(sqlservr+222fc) (CQScanNLJoin::GetRow+5a)
0x004222fc Module(sqlservr+222fc) (CQScanNLJoin::GetRow+5a)
0x00422dee Module(sqlservr+22dee) (CQScanNLJoin::Open+38)
0x0041d7c6 Module(sqlservr+1d7c6) (CQScan::Open+1b)
0x0041d7c6 Module(sqlservr+1d7c6) (CQScan::Open+1b)
0x0048d529 Module(sqlservr+8d529) (CQScanUpdate::Open+15)
0x00415fc3 Module(sqlservr+15fc3) (CQueryScan::Uncache+156)
0x00415237 Module(sqlservr+15237) (CStmtQuery::FExecuteQuery+298)
0x0040d45e Module(sqlservr+d45e) (CStmtDML::XretExecuteNormal+1a8)
0x0040d30d Module(sqlservr+d30d) (CStmtDML::XretExecute+1b)
0x004145f1 Module(sqlservr+145f1) (CMsqlExecContext::ExecuteStmts+11a)
0x0041409f Module(sqlservr+1409f) (CMsqlExecContext::Execute+16a)
				

Properties

Article ID: 278980 - Last Review: October 21, 2013 - Revision: 2.1
APPLIES TO
  • Microsoft SQL Server 7.0 Standard Edition
Keywords: 
kbnosurvey kbarchive kbbug kbfix KB278980

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