I am a co-author of the Froid paper, and am around if people have any questions/comments/feedback.<p>Froid is now available as a feature of SQL Server 2019 preview. The feature is called "Scalar UDF Inlining" <a href="https://blogs.msdn.microsoft.com/sqlserverstorageengine/2018/11/07/introducing-scalar-udf-inlining/" rel="nofollow">https://blogs.msdn.microsoft.com/sqlserverstorageengine/2018...</a><p>Available to try out for free here: <a href="https://www.microsoft.com/en-us/sql-server/sql-server-2019" rel="nofollow">https://www.microsoft.com/en-us/sql-server/sql-server-2019</a>