FIX: SELECT INTO Including UNION with Trace Flag 5302 Causes Access Violation

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Article ID: 214858 - View products that this article applies to.
This article was previously published under Q214858
This article has been archived. It is offered "as is" and will no longer be updated.
BUG #: 18560 (SQLBUG_65)
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Symptoms

Running a "SELECT... INTO..." query that includes a UNION operator while trace flag 5302 is turned on can cause a handled access violation (AV) within SQL Server. When this happens, the client connection will become unresponsive.

The problem does not happen on versions of SQL Server 6.5 earlier than Service Pack 5.

Workaround

To work around this problem, do either of the following:

  • Turn off trace flag 5302. -or-

  • Avoid using the UNION operator within the "SELECT... INTO..." query. One way of achieving this would be to create the table in an earlier statement and then replace the "SELECT... INTO..." statement with an "INSERT INTO... SELECT...".

Status

Microsoft has confirmed this to be a problem in SQL Server version 6.5. This problem has been corrected in the Post Service Pack 5a Update for Microsoft SQL Server version 6.5. To install the Post Service Pack 5a Update, you must have either SQL Server 6.5 SP5 or SP5a installed.

For information about how to download and install the SQL Server 6.5 Service Pack 5a, refer to the following article in the Microsoft Knowledge Base:
197177 INF: How to Obtain SQL Server 6.5 Service Pack 5a
If you already have SQL Server 6.5 SP5 or SP5a installed, you can download the Post SP5a Update from the following article in the Microsoft Knowledge Base:
274036 INF: How to Obtain SQL Server 6.5 Post Service Pack 5a Update
For more information, contact your primary support provider.

Properties

Article ID: 214858 - Last Review: October 26, 2013 - Revision: 5.0
Applies to
  • Microsoft SQL Server 6.5 Standard Edition
Keywords: 
kbnosurvey kbarchive kbbug kbfix kbqfe KB214858

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