title: Scan error: unsupported Scan, storing driver.Value type <nil> into type *string
body: <p>When I try to fetch Articles without photo from mysql database:</p>
  
  <pre><code>func ArticlesAllText() ([]Article, error) {
      var err error
      var result []Article
      err = database.SQL.Select(&amp;result, "SELECT * FROM Article WHERE photo IS NULL")
      if err != nil {
          log.Println(err)
      }
      return result, standardizeError(err)
  }
  </code></pre>
  
  <p>I get </p>
  
  <blockquote>
    <p>sql: Scan error on column index 10: unsupported Scan, storing
    driver.Value type  into type *string</p>
  </blockquote>
  
  <p>When the field value is <code>NULL</code>. </p>
  
  <p>How can I fix this? </p>