How do I tell Entity Framework Function Import that a column returned by a stored procedure is not nullable?

Question

I have an SQL Server stored procedure that ressembles this:

CREATE PROCEDURE [jp].[GetFoo]
    @Guid UNIQUEIDENTIFIER
AS

SELECT
    CONVERT(BIT, (CASE WHEN          


        

Answer 1

You have to ways to fix this issue

1- alter procedure to be isnull ("your expression", 0) then update your model from database and refresh .

2- you can open the class model and change it manually but any update on the model again , you will lost the change .

So my opinion is the first solution is the best.