StreamInsight 1.0 updates that are released together with Cumulative Update package 2 for SQL Server 2008 R2

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INTRODUCTION

This article describes StreamInsight 1.0 updates that are released together with Cumulative Update package 2 for Microsoft SQL Server 2008 R2.

MORE INFORMATION

Some updates for StreamInsight 1.0 are released as a part of Cumulative Update package 2 for SQL Server 2008 R2. The build number for Cumulative Update package 2 for SQL Server 2008 R2 is 10.50.1720.0. The build numer for the StreamInsight 1.0 updates is 10.50.1724.0.

For more information about Cumulative Update package 2 for SQL Server 2008 R2, click the following article number to view the article in the Microsoft Knowledge Base:
2072493 Cumulative Update package 2 for SQL Server 2008 R2
The following are details of the updates for StreamInsight 1.0 in this release:

The ClipEventDuration API

This new method is added to the CepStream class. This method provides an additional way to change the duration of an event. Instead of the existing lifetime modification operators, the ClipEventDuration method enables you to use a secondary stream to determine where to clip the duration of events in the primary stream.

Support for the Microsoft .NET Framework 4.0 development

All StreamInsight assemblies and the StreamInsight host (StreamInsightHost.exe) are compiled by using the .NET Framework 3.5. However, you can develop StreamInsight applications by using the .NET Framework 3.5 or the .NET Framework 4.0.

For StreamInsight applications that are compiled by using the .NET Framework 4.0
  • You can load adapters and user-defined extensions that are compiled with either the .NET Framework 3.5 or the .NET Framework 4.0.
  • You can connect to an external StreamInsight host that is compiled with either the .NET Framework 3.5 or the .NET Framework 4.0.
For StreamInsight applications that are compiled by using .NET Framework 3.5

  • You cannot load adapters and user-defined extensions that are compiled by using the .NET Framework 4.0.
  • You can connect to an external StreamInsight host that is compiled by using either the .NET Framework 3.5 or the .NET Framework 4.0.
  • If you want to host .NET Framework 4.0 assemblies in .NET Framework 3.5 applications (such as StreamInsightHost), you must specify the .NET Framework 4.0 runtime in the App.config file as follows:
    <?xml version="1.0"?>
    <configuration>
     <startup>
      <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
     </startup>
    </configuration>


Fixes for performance issues 

Some performance issues that relate to the following are fixed:

  • Aggregates
  • User-defined operators
  • The TopK operator
  • The Min aggregate
  • The Max aggregate


REFERENCES

For more information about StreamInsight, visit the following Microsoft website:

SQL Server 2008 R2 – StreamInsight


Properties

Article ID: 2120979 - Last Review: June 25, 2010 - Revision: 3.0
APPLIES TO
  • Microsoft SQL Server 2008 Developer
  • Microsoft SQL Server 2008 Enterprise
  • Microsoft SQL Server 2008 R2 Datacenter
  • Microsoft SQL Server 2008 R2 Standard
Keywords: 
kbsurveynew kbexpertiseadvanced kbautohotfix kbhotfixserver kbqfe kbfix KB2120979

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