KB5000651 - FIX: Assert failure occurs when concurrent query modifies the same bitmap during clustered columnstore delete bitmap seek in SQL Server 2016

Symptoms

Assume that you have Clustered Columnstore Index (CCI) on a table in Microsoft SQL Server 2016. During clustered columnstore delete bitmap seek, if a concurrent query modifies the same bitmap, an assertion failure occurs.  

Status

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

Resolution

This issue is fixed in the following cumulative update for SQL Server:

Each new cumulative update 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:

Latest cumulative update for SQL Server 2016

References

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

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