FIX: Assertion error occurs when you use sys.dm_exec_query_statistics_xml in SQL Server 2016 and 2017

Applies to: SQL Server 2016 DeveloperSQL Server 2016 EnterpriseSQL Server 2016 Enterprise Core

Symptoms


Assume that you use the Dynamic Management Functions (DMF)sys.dm_exec_query_statistics_xml in Microsoft SQL Server 2016 and 2017. When the querythat is executed in the targeted session ID is already complete and the DMF tries to retrieve the query execution plan at the same time, an assertionerror occurs.

Status


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

Resolution


The issue is fixed in the following cumulative updates for SQL Server:
About cumulative updates for SQL Server:

Each new cumulative update for SQL Server contains all thehotfixes and all the security fixes that were included with the previouscumulative update. Check out the latest cumulative updates for SQL Server:

References


Learn about the terminology thatMicrosoft uses to describe software updates.