message: [bug] fix shortener url
  [bug] fix shared explore url
diff: @@ -963,6 +963,17 @@ class Superset(BaseSupersetView):
  if request_args_data:
  form_data.update(json.loads(request_args_data))
  + url_id = request.args.get('r')
  + if url_id:
  + saved_url = db.session.query(models.Url).filter_by(id=url_id).first()
  + if saved_url:
  + url_str = parse.unquote_plus(
  + saved_url.url.split('?')[1][10:], encoding='utf-8', errors=None)
  + url_form_data = json.loads(url_str)
  + # allow form_date in request override saved url
  + url_form_data.update(form_data)
  + form_data = url_form_data
  +
  if request.args.get('viz_type'):
  # Converting old URLs
  form_data = cast_form_data(form_data)
  @@ -1210,18 +1221,6 @@ class Superset(BaseSupersetView):
  datasource_id, datasource_type = self.datasource_info(
  datasource_id, datasource_type, form_data)
  - saved_url = None
  - url_id = request.args.get('r')
  - if url_id:
  - saved_url = db.session.query(models.Url).filter_by(id=url_id).first()
  - if saved_url:
  - url_str = parse.unquote_plus(
  - saved_url.url.split('?')[1][10:], encoding='utf-8', errors=None)
  - url_form_data = json.loads(url_str)
  - # allow form_date in request override saved url
  - url_form_data.update(form_data)
  - form_data = url_form_data
  -
  error_redirect = '/slicemodelview/list/'
  datasource = ConnectorRegistry.get_datasource(
  datasource_type, datasource_id, db.session)
  