你好， 正在体验doris1.2.1，我看官方文档最新版并没有Doris on Iceberg，
但旧版本却有，如： https://doris.apache.org/zh-CN/docs/ecosystem/external-table/iceberg-of-doris 在SQL console 准备建 iceberg外部库/表时，提示没有iceberg engine. mysql> CREATE TABLE `all_users_info` -> ENGINE = ICEBERG -> PROPERTIES ( -> "iceberg.database" = "iceberg_hive", -> "iceberg.table" = "all_users_info", -> "iceberg.hive.metastore.uris" = "thrift://localhost:9083", -> "iceberg.catalog.type" = "HIVE_CATALOG" -> ); ERROR 1286 (42000): Unknown storage engine 'ICEBERG' 请问是发行版本的问题，还是我配置方式不对，请指正，谢谢！ Leichangqing
