FIX: Access Violation When Adding CHECK Constraint w/ ESCAPE Keyword

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Article ID: 247019 - View products that this article applies to.
This article was previously published under Q247019
This article has been archived. It is offered "as is" and will no longer be updated.
BUG #: 55656 (SQLBUG_70)
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SYMPTOMS

An access violation (AV) is caused when an ALTER TABLE statement is run to add a CHECK constraint and if the constraint definition contains the ESCAPE keyword. An error message similar to the following appears.
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
Avoid using the ESCAPE keyword when defining CHECK constraints.

STATUS

Microsoft has confirmed this to be a problem in SQL Server 7.0. This problem has been corrected in U.S. Service Pack 2 for Microsoft SQL Server 7.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
254561 INF: How to Obtain Service Pack 2 for Microsoft SQL Server 7.0 and Microsoft Data Engine (MSDE) 1.0
For more information, contact your primary support provider.

MORE INFORMATION

Steps to Reproduce the Problem

The following script demonstrates the problem.
create table abc (col1 varchar(10))
go
alter table abc add constraint chk1 check (col1 like '~_xyz' escape '~')
go
				

Properties

Article ID: 247019 - Last Review: October 22, 2013 - Revision: 2.1
APPLIES TO
  • Microsoft SQL Server 7.0 Standard Edition
Keywords: 
kbnosurvey kbarchive kbbug kbfix KB247019

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