TSQL - If..Else statement inside Table-Valued Functions - cant go through

Question

Before posting I have read few articles about developing USD functions, but have not encountered solutions for my problem... which is as follows:

I have a very simple da

Answer 1

This should work.

SELECT * FROM player 
WHERE
  height > CASE 
            WHEN @set = 'tall' THEN 180
            WHEN @set = 'average' THEN 154
            WHEN @set = 'low' THEN 0
          END

I'll leave the < case for your enjoyment.