FIX: Query with Multiple Aggregate Functions and Subqueries May Encounter AV

ID: Q244505

The information in this article applies to:

Microsoft SQL Server version 6.5 Service Pack 5a

BUG #: 18876 (SQLBUG_65)

SYMPTOMS

A SELECT statement with multiple aggregate functions and subqueries may encounter a handled access violation.

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
   ---------------------------------------------------------
   6.50.459     sql459i.exe    Intel
                sql459a.exe    Alpha

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

NOTE: If this product was already installed on your computer when you purchased it from the Original Equipment Manufacturer (OEM) and you need this fix, please call the Pay Per Incident number listed on the above Web site. If you contact Microsoft to obtain this fix, and if it is determined that you only require the fix you requested, no fee will be charged. However, if you request additional technical support, and if your no-charge technical support period has expired, or if you are not eligible for standard no-charge technical support, you may be charged a non-refundable fee.

For more information about eligibility for no-charge technical support, see the following article in the Microsoft Knowledge Base:

Q154871 Determining If You Are Eligible for No-Charge Technical Support

WORKAROUND

The problem may not occur unless the query is used repetitively or by multiple concurrent users. Therefore, the problem may be avoided by rewriting the query or using the query less frequently and with a small number of concurrent users.

STATUS

Microsoft has confirmed this to be a problem in SQL Server version 6.5 SP5a.

Additional query words:

Keywords : kbSQLServ650bug kbbug6.50.sp5
Version : winnt:6.5 Service Pack 5a
Platform : winnt
Issue type : kbbug