title: Django fixture fails, stating "DatabaseError: value too long for type character varying(50)"
body: <p>I have a fixture (json) which loads in development environment but fails to do so in server environment. The error says: "<code>DatabaseError: value too long for type character varying(50)</code>"</p>
  
  <p>My development environment is Windows &amp; Postgres 8.4. The server runs Debian and Postgres 8.3. Database encoding is UTF8 in both systems.</p>
  
  <p>It is as if unicode markers in the fixture count as chars on the server and they cause some strings to exceed their field's max length. However that does not happen in the dev environment..</p>