title: Mongomapper map(&:id)
body: <p>i have some problems with</p>
  
  <pre><code>Click.all.map(&amp;:id).include?(params[:click_id])
  </code></pre>
  
  <p>return false(but click_id present in db)</p>
  
  <p>when im doing</p>
  
  <pre><code>Click.all.map(&amp;:id).include?(BSON::ObjectId(params[:click_id]))
  </code></pre>
  
  <p>return illegal ObjectId format</p>
  
  <p>How to do what i want in proper way? return true if object is present </p>