Symptoms
Assume that you use Microsoft SQL Server data warehousing. When you run parallel insert queries to insert data into a clustered columnstore index, the query operation freezes.
Resolution
This problem is fixed in the following updates for SQL Server:
About SQL Server builds
Each new build for SQL Server contains all the hotfixes and security fixes that were in the previous build. We recommend that you install the latest build for your version of SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the standard terminology Microsoft uses to describe software updates.