TSQL Case in where statement if parameter is null

Question

I have a SP that gives me a lot of hard times.

The sp gets a two parameters @madeByUserId and @reportedByUserId. I want to have something like:

 select          


        

Answer 1

Try:

 select * from table
 where MadeByUserId = @madeByUserId 
 AND (@reportedByUserID IS null OR ReportedByUserID = @reportedByUserID)