private DbRelation GetDbRelation(MySqlDataReader reader) { return new DbRelation { Id = reader.GetInt32("id"), FromId = reader.GetNullableInt("from_id"), Identifier = reader.GetString("identifier"), ToId = reader.GetNullableInt("to_id"), RelationType = reader.GetIntEnum<DbRelationType>("relation_type"), SortNum = reader.GetNullableInt("sort_num") }; }