message: [hotfix] fixing checkboxes in Tables->Columns
diff: @@ -1214,11 +1214,8 @@ class Superset(BaseSupersetView):
  @expose("/checkbox/<model_view>/<id_>/<attr>/<value>", methods=['GET'])
  def checkbox(self, model_view, id_, attr, value):
  """endpoint for checking/unchecking any boolean in a sqla model"""
  - views = sys.modules[__name__]
  - model_view_cls = getattr(views, model_view)
  - model = model_view_cls.datamodel.obj
  -
  - obj = db.session.query(model).filter_by(id=id_).first()
  + Col = ConnectorRegistry.sources['table'].column_cls
  + obj = db.session.query(Col).filter_by(id=id_).first()
  if obj:
  setattr(obj, attr, value == 'true')
  db.session.commit()
  