FIX: Cursor Fetches Duplicate Row After Positioned Update (271841)



The information in this article applies to:

  • Microsoft SQL Server 6.5 Service Pack 5a

This article was previously published under Q271841
BUG #: 18555 (SQLBUG_65)

SYMPTOMS

A dynamic cursor on a table without a unique index re-fetches the current row after a positioned update that uses the Transact-SQL UPDATE WHERE CURRENT OF <cursor> syntax.

WORKAROUND

To work around this behavior:
  • Avoid using a dynamic cursor.

    -or-

  • Create a unique index for the table on which the cursor is based.

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.

Modification Type:MajorLast Reviewed:9/6/2006
Keywords:kbBug kbfix kbQFE KB271841