FIX: SELECT DISTINCT Using Negative Int in WHERE Can Cause AV

ID: Q236443

The information in this article applies to:

Microsoft SQL Server version 7.0

BUG #: 55767 (SQLBUG_70)

SYMPTOMS

A SELECT statement using DISTINCT that contains a large negative integer value in a condition of the WHERE clause can result in a handled access violation (AV).

The query will be terminated and an entry in the SQL Server error log will indicate the following:

Error: 0, Severity: 19, State: 0
SqlDumpExceptionHandler: Process spid generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process.

RESOLUTION

A supported fix that corrects this problem is now available from Microsoft, but it has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next SQL Server service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp

The English version of this fix should have the following file attributes or later:


   Version        File name        Platform
   ----------------------------------------
   7.00.0703      S70703i.exe      Intel
                  S70703a.exe      Alpha

NOTE: Due to file dependencies, the most recent hotfix or feature that contains the above files may also contain additional files.

STATUS

Microsoft has confirmed this to be a problem in SQL Server version 7.0.

MORE INFORMATION

The following is an example of a query that meets the condition of this problem:


select distinct employeeid from employees where employeeid = -2147482112

Additional query words: errorlog

Keywords : SSrvTran_SQL kbbug7.00
Version : winnt:7.0
Platform : winnt
Issue type : kbbug