FIX: Wrong number of rows returned in sys.partitions for Columnstore index in SQL Server 2016

When you query for the number of rows of a Columnstore index from the sys.partitions system view in Microsoft SQL Server 2016, incorrect results are returned.

This fix is included in the following cumulative updates for SQL Server:

• Cumulative Update 3 for SQL Server 2016 SP1
• Cumulative Update 5 for SQL Server 2016

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

Learn about the terminology Microsoft uses to describe software updates.