Article ID: 235401 - View products that this article applies to.
This article was previously published under Q235401
This article has been archived. It is offered "as is" and will no longer be updated.
BUG #: 55906 (SQLBUG_70)
Running an INSERT SELECT statement into a table that has a clustered index, in which all fields allow NULLs, may fail with the following error message:
This error only occurs if all of the following conditions are met:
Server: Msg 8623, Level 16, State 2, Line 5 Internal Query Processor Error: The query processor could not produce a query plan.
When generating the plan for the sort with a single thread, the optimizer code does not expect NULL values for all of the fields to be sorted.
To work around this issue, choose any of the following options:
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:
254561For more information, contact your primary support provider.
(http://support.microsoft.com/kb/254561/ )INF: How to Obtain Service Pack 2 for Microsoft SQL Server 7.0 and Microsoft Data Engine (MSDE) 1.0