def _add_field( self, model, field, column_family=None ): if None is column_family: column_family = get_column_family( self.connection, model ) db_field = ( field.db_column if field.db_column else field.column ) cql_field_type = internal_type_to_column_map[field.get_internal_type()] cql_field = cql_field_type( primary_key=field.primary_key, index=field.db_index, db_field=db_field, required=not field.blank ) setattr(column_family, db_field, cql_field) column_family._columns[db_field] = cql_field CqlColumnFamilyMetaClass.update_column_family(column_family) return column_family
def _remove_field( self, model, field, column_family=None ): if None is column_family: column_family = get_column_family( self.connection, model ) delattr(column_family, field.name) db_field = ( field.db_column if field.db_column else field.column ) del column_family._columns[db_field] CqlColumnFamilyMetaClass.update_column_family(column_family) return column_family