A hotfix is available that improves performance for an MDX query that uses the "NON EMPTY" operation together with overlapping calculations in SQL Server 2012 Analysis Services

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Article ID: 2778200 - View products that this article applies to.
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Introduction

This article describes a hotfix that improves performance when you run a Multidimensional Expressions (MDX) query in Microsoft SQL Server 2012 Analysis Services (SSAS 2012).

More information

This hotfix improves performance when the following conditions are true:
  • The MDX query has more than five overlapping calculations for a subspace.
  • The overlapping calculations are defined to receive data from the storage engine.
  • The query uses the "NON EMPTY" operation.
Note The scenario typically occurs when you use unary operators in the MDX query.

Cumulative update information

Cumulative Update 2 for SQL Server 2012 SP1

The fix for this issue was first released in Cumulative Update 2. For more information about how to obtain this cumulative update package for SQL Server 2012 SP1, click the following article number to view the article in the Microsoft Knowledge Base:
2790947 Cumulative update package 2 for SQL Server 2012 Service Pack 1
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 2012 SP1 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:
2772858 The SQL Server 2012 builds that were released after SQL Server 2012 Service Pack 1 was released

Cumulative update 5 for SQL Server 2012

The fix for this issue was first released in Cumulative Update 5. For more information about how to obtain this cumulative update package for SQL Server 2012, click the following article number to view the article in the Microsoft Knowledge Base:
2777772 Cumulative update package 5 for SQL Server 2012
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 2012 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:
2692828 The SQL Server 2012 builds that were released after SQL Server 2012 was released

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Note This performance improvement is included in the SQL Server 2012 Service Pack 1 (SP1).

Prerequisites

To apply this hotfix, you must have SQL Server 2012 installed on the computer.

Restart requirement

You do not have to restart the computer after you apply the hotfix.

File information

The global version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
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File nameFile versionFile sizeDateTimePlatform
msmdsrv.exe11.0.2389.045,793,76028-Oct-201214:46x86
Msmdlocal.dll11.0.2389.048,718,32028-Oct-201214:45x86
Msmdlocal.dll11.0.2389.064,053,72828-Oct-201214:50x64
msmdsrv.exe11.0.2389.062,159,32828-Oct-201214:53x64
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Properties

Article ID: 2778200 - Last Review: January 25, 2013 - Revision: 3.1
Applies to
  • Microsoft SQL Server 2012 Enterprise
  • Microsoft SQL Server 2012 Analysis Services
  • Microsoft SQL Server 2012 Business Intelligence
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced KB2778200

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