title: MYSQL WHERE id = 0 it should show total result
body: <p><a href="http://sqlfiddle.com/#!9/e30f0d/15" rel="nofollow noreferrer">SQLFiddle</a></p>
  
  <p>In this fiddle example i m trying to use WHERE o.d_id = 1 or 2,3,4 etc but if i use d_id= 0 it should show the total result or we can say the where clause should not work if d_id = 0.</p>