256
257    def sort_queryset(self, queryset, data, session):
258        if 'order_by' in data:
259            order_by = list(map(lambda x: self.map_order_field(session, x), data['order_by']))260            queryset = queryset.order_by(*order_by)
261        else:
262            if 'aggregate' not in data and 'group' not in data and 'groups' not in data:

131        def map_group_column(group, i):
132            x_lookup_param = group.get('xLookup')
133            x_column_param = group.get('xColumn')
134            x_column = self.get_column(session, x_column_param) if x_column_param is not None else None135
136            lookup_params = x_lookup_param.split('_') if x_lookup_param else []
137            lookup_type = lookup_params[0] if len(lookup_params) >= 1 else None

109        def get_y_func(group):
110            y_func_param = group.get('yFunc').lower()
111            y_column_param = group.get('yColumn')
112            y_column = self.get_column(session, y_column_param) if y_column_param is not None else None113            return get_query_func_by_name(y_func_param, y_column)
114
115        if 'groups' in data:

 97        func_param = data['aggregate'].get('func').lower()
 98        column_param = data['aggregate'].get('column')
 99
100        y_column = self.get_column(session, column_param) if column_param is not None else None101        y_func = get_query_func_by_name(func_param, y_column)
102
103        if y_func is None: