Assume that you have a table that has a Clustered Columnstore Index in Microsoft SQL Server 2016. You run a query that has a non-distinct aggregate over a string column against this table. For example, you run SELECT COUNT_BIG(MyStringColumn) from MyClusteredColumnstoreTable. In this scenario, an access violation error occurs.
This problem is fixed in the following cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the terminologythat Microsoft uses to describe software updates.