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Microsoft distributes Microsoft SQL Server 2008 Microsoft SQL Server 2008 R2 Service Pack 1 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 Service Pack 1 or SQL Server 2008 R2 fix release.

Symptoms

When you run an INSERT SELECT UNION ALL statement in SQL Server 2008 or in SQL Server 2008 R2, the result of the statement may be incorrect if a source table of the SELECT clause is used as the target table of the INSERT clause.

For example, you run the following statements to create four tables:

CREATE TABLE [TabA] (M VARCHAR(20), W VARCHAR(20)) CREATE TABLE [TabB] (M VARCHAR(20), W VARCHAR(20), R VARCHAR(20)) CREATE TABLE [TabC] (P VARCHAR(6), M CHAR(20), A NUMERIC(13)) CREATE TABLE [TabD] (P VARCHAR(6), W VARCHAR(20), M VARCHAR(20), D NUMERIC(13), E DATETIME, F DATETIME) You insert some values into the TabA, TabB, and TabD tables, and then you run the following INSERT SELECT UNION ALL statement:

INSERT INTO [TabC] (P, M, A) SELECT T1.P,T1.M,T1.D / SUM(1) OVER(PARTITION BY P) FROM [TabD] T1 INNER JOIN [TabA] T2 ON (T1.M = T2.M AND T1.W = T2.W) WHERE NOT EXISTS (SELECT * FROM [TabC] E1 WHERE T1.P = E1.P) UNION ALL SELECT T1.P,T2.M,T1.D / SUM(1) OVER(PARTITION BY P) FROM [TabD] T1 INNER JOIN [TabB] T2 ON (T1.M = T2.R AND T1.W = T2.W) WHERE NOT EXISTS (SELECT * FROM [TabC] E1 WHERE T1.P = E1.P) GOIn this scenario, you receive incorrect results, and some records are incorrectly not inserted into the TabC table.

Resolution

Cumulative update information

SQL Server 2008 Service Pack 3

The fix for this issue was first released in Cumulative Update 1 for SQL Server 2008 Service Pack 3. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:

2617146 Cumulative update package 1 for SQL Server 2008 Service Pack 3Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 fix release. Microsoft recommends that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2629969 The SQL Server 2008 builds that were released after SQL Server 2008 Service Pack 3 was released Microsoft SQL Server 2008 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2008 Service Pack 3 hotfix to an installation of SQL Server 2008 Service Pack 3. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.

SQL Server 2008 R2


The fix for this issue was first released in Cumulative Update 9. For more information about how to obtain this cumulative update package for SQL Server 2008 R2, click the following article number to view the article in the Microsoft Knowledge Base:

2567713 Cumulative Update package 9 for SQL Server 2008 R2 Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

981356 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 was released

SQL Server 2008 R2 Service Pack 1


The fix for this issue was first released in Cumulative Update 2 for SQL Server 2008 R2 Service Pack 1. For more information about how to obtain this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:

2567714 Cumulative Update package 2 for SQL Server 2008 R2 Service Pack 1Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2567616 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 Service Pack 1 was released

SQL Server 2008 Service Pack 2

The fix for this issue was first released in Cumulative Update 5 for SQL Server 2008 Service Pack 2. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:

2555408 Cumulative update package 5 for SQL Server 2008 Service Pack 2Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 fix release. Microsoft recommends that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2402659 The SQL Server 2008 builds that were released after SQL Server 2008 Service Pack 2 was released Microsoft SQL Server 2008 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2008 Service Pack 2 hotfix to an installation of SQL Server 2008 Service Pack 2. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.

SQL Server 2008 Service Pack 1 Cumulative update 14

The fix for this issue was first released in Cumulative Update 14 for SQL Server 2008 Service Pack 1. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:

2527187 Cumulative update package 14 for SQL Server 2008 Service Pack 1Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 fix release. Microsoft recommends that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

970365 The SQL Server 2008 builds that were released after SQL Server 2008 Service Pack 1 was released Microsoft SQL Server 2008 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2008 Service Pack 1 hotfix to an installation of SQL Server 2008 Service Pack 1. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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