title: mysqli_fetch_array() expects parameter 1 to be mysqli_result, in some column selected
body: <p>I'm trying to select all of my column and it works perfectly with this</p>
  
  <pre><code>$query = "SELECT * FROM employee";
  $result = mysqli_query($con, $query);
  
  while ($employee = mysqli_fetch_array($result)) {
      # code...
      print (json_encode($employee));
  }
  </code></pre>
  
  <p>and I also succeed select some of my column using this code</p>
  
  <pre><code>$query = "SELECT ID, NAME, LAT FROM employee";
  $result = mysqli_query($con, $query);
  </code></pre>
  
  <p>but I failed when I try to select LONG column, it said that</p>
  
  <blockquote>
    <p><code>mysqli_fetch_array()</code> expects parameter 1 to be <code>mysqli_result</code></p>
  </blockquote>
  
  <p>It just show when I select LONG column, but it works well if I select another column.</p>