title: Search by file name in the Media Library
body: <p>Inside the Admin Panel, in Media -> Library, how to search media files by <strong>file name</strong> in "search media" box?</p>
  
  <p>I know the file name is placed in the "GUID" column in the database, but I don't know where I can find the piece of code responsible for media search, ex. MySQL <code>select</code>.</p>
  
  <p>Now it only searches in the <code>post_title</code> column. I also tried to find <code>$_REQUEST['s']</code>, but with without result.</p>