70                data_type = get_column_data_type(column)
 71                kwargs = {'context': self.context, 'serializer': self}
 72
 73                # if column.primary_key and column.autoincrement: 74                #     kwargs['read_only'] = True
 75                if column.autoincrement or column.default or column.server_default or column.nullable:
 76                    kwargs['required'] = False

223    return result
224
225
226# def map_relation(relation):227#     field = None
228#
229#     if relation.direction == ONETOMANY:

 75    def run_validation(self, value):
 76        if value is empty:
 77            if self.required:
 78                # raise ValidationError('Field is required') 79                self.error('required')
 80
 81        value = self.to_internal_value(value)

 72    def run_validation(self, value):
 73        if value is empty:
 74            if self.required:
 75                # raise ValidationError('Field is required') 76                self.error('required')
 77            else:
 78                return None

166        # x_serializers = list(filter(lambda x: x.field_name == x_column, model_serializer.fields))
167        # x_serializer = x_serializers[0]
168
169        # y_serializers = list(filter(lambda x: x.field_name == y_column, model_serializer.fields))170        # y_serializer = y_serializers[0]
171
172        filter_instance = ModelGroupFilter()