blackfox1983 commented on a change in pull request #4261:
URL: https://github.com/apache/incubator-doris/pull/4261#discussion_r465684860
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File path: docs/zh-CN/administrator-guide/http-actions/fe/connection-action.md
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@@ -0,0 +1,82 @@
+---
+{
+ "title": "Connection",
+ "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.
+-->
+
+# Conection
+
+## Request
+
+`GET /api/connection`
+
+## Description
+
+给定一个 connection id，返回这个连接当前正在执行的，或最后一次执行完成的 query id。
+
+connection id 可以通过 MySQL 命令 `show processlist;` 中的 id 列查看。
+
+## Path parameters
+
+无
+
+## Query parameters
+
+* `connection_id`
+
+ 指定的 connection id
+
+## Request body
+
+无
+
+## Response
+
+```
+{
+ "msg": "OK",
+ "code": 0,
+ "data": {
+ "query_id": "b52513ce3f0841ca-9cb4a96a268f2dba"
+ },
+ "count": 0
+}
+```
+
+## Examples
+
+1. 获取指定 connection id 的 query id
+
Review comment:
这个还没用过。这个connectionid如何获取。。:)
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