HappenLee commented on code in PR #18071:
URL: https://github.com/apache/doris/pull/18071#discussion_r1150286714
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docs/zh-CN/docs/sql-manual/sql-functions/array-functions/array_sortby.md:
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@@ -0,0 +1,95 @@
+---
+{
+ "title": "array_sortby",
+ "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.
+-->
+
+## array_sortby
+
+<version since="2.0">
+
+array_sortby
+
+</version>
+
+### description
+
+#### Syntax
+
+```
+ARRAY<T> array_sortby(ARRAY<T> src,Array<T> key)
+ARRAY<T> array_sortby(lambda,array....)
+```
+
+首先将key列升序排列，然后将src列按此顺序排序后的对应列做为结果返回;
+如果输入数组src为NULL，则返回NULL。
+如果输入数组key为NULL，则直接返回src数组。
+如果输入数组key元素包含NULL, 则输出的排序数组会将NULL放在最前面。
+
+### notice
+
+`仅支持向量化引擎中使用`
Review Comment:
do not have no vec exec engine in doris
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