KB4034056 - FIX: Access violation occurs when you run a query in SQL Server 2016

Applies To
SQL Server 2016 Service Pack 1 SQL Server 2016 Enterprise Core - duplicate (do not use) SQL Server 2016 Enterprise - duplicate (do not use) SQL Server 2016 Developer - duplicate (do not use) SQL Server 2016 Standard - duplicate (do not use)

Symptoms

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.

Resolution

This problem is fixed in the following cumulative updates for SQL Server:

Cumulative Update 7 for SQL Server 2016

Cumulative Update 4 for SQL Server 2016 SP1

About 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:

Latest cumulative update for SQL Server 2016

Status

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

Reference

Learn about the terminology that Microsoft uses to describe software updates.