title: react native mongodb findOne return nothing
body: <pre><code>database = new Datastore({filename: db, autoload: true});
  database.findOne({_id: set}, (err, doc) =&gt; {
  
      ....
  });
  </code></pre>
  
  <p>Sometimes return function never callback </p>
  
  <p>and
  It only works after reinstalling the app</p>
  
  <p>Its like something wrong with closing database</p>