FIX: SP1 Regression: Table Scan Chosen Over Index Seek for INSERT/SELECT Statement Against the Same Table (306374)

SYMPTOMS

An INSERT/SELECT statement against the same table may fail to use an appropriate nonclustered index and perform a table scan instead of an index seek. The query takes the form of:

Insert Into Table1 (Column1, Column2, Column3, ...)
Select 104104, Column2, Column3, ...
From Table1
Where Column1 = 102

where the index contains Column1 as the first column. Prior to SQL Server 2000 Service Pack 1 (SP1) the optimizer would correctly use the index.

RESOLUTION

To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

290211 INF: How to Obtain the Latest SQL Server 2000 Service Pack

Hotfix

NOTE: The following hotfix was created prior to Microsoft SQL Server 2000 Service Pack 2.

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

   Version      File name        Platform
   --------------------------------------
   8.00.436     Sqlservr.exe     Intel

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