[GitHub] [incubator-doris] morningman commented on a change in pull request #4669: [Feature] Support REPLACE TABLE operation.

[GitBox <gi...@apache.org>]

morningman commented on a change in pull request #4669:
URL: https://github.com/apache/incubator-doris/pull/4669#discussion_r499198617



##########
File path: docs/zh-CN/administrator-guide/alter-table/alter-table-replace-table.md
##########
@@ -0,0 +1,73 @@
+---
+{
+    "title": "替换表",
+    "language": "zh-CN"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# 替换表
+
+在 0.14 版本中，Doris 支持对两个表进行原子的替换操作。
+该操作仅适用于 OLAP 表。
+
+分区级别的替换操作，请参阅 [临时分区文档](./alter-table-temp-partition.md)
+
+## 语法说明
+
+```
+ALTER TABLE [db.]tbl1 REPLACE WITH tbl2
+[PROPERTIES('swap' = 'true')];
+```
+
+将表 tbl1 替换为表 tbl2。
+
+如果 `swap` 参数为 `true`，则替换后，名称为 `tbl1` 表中的数据为原 `tbl2` 表中的数据。而名称为 `tbl2` 表中的数据为原 `tbl1` 表中的数据。即两张表数据发生了互换。
+
+如果 `swap` 参数为 `true`，则替换后，名称为 `tbl1` 表中的数据为原 `tbl2` 表中的数据。而名称为 `tbl2` 表被删除。 

Review comment:
       fixed

##########
File path: docs/en/administrator-guide/alter-table/alter-table-replace-table.md
##########
@@ -0,0 +1,72 @@
+---
+{
+    "title": "Replace Table",
+    "language": "en"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# Replace Table
+
+In version 0.14, Doris supports atomic replacement of two tables.
+This operation only applies to OLAP tables.
+
+For partition level replacement operations, please refer to [Temporary Partition Document](./alter-table-temp-partition.md)
+
+## Syntax
+
+```
+ALTER TABLE [db.]tbl1 REPLACE WITH tbl2
+[PROPERTIES('swap' = 'true')];
+```
+
+Replace table `tbl1` with table `tbl2`.
+
+If the `swap` parameter is `true`, after replacement, the data in the table named `tbl1` is the data in the original `tbl2` table. The data in the table named `tbl2` is the data in the original table `tbl1`. That is, the data of the two tables are interchanged.
+
+If the `swap` parameter is `true`, after replacement, the data in the table named `tbl1` is the data in the original `tbl2` table. The table named `tbl2` is dropped.

Review comment:
       fixed




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