[GitHub] [spark] huaxingao commented on a change in pull request #25525: [SPARK-28786][DOC][SQL]Document INSERT statement in SQL Reference

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huaxingao commented on a change in pull request #25525: [SPARK-28786][DOC][SQL]Document INSERT statement in SQL Reference
URL: https://github.com/apache/spark/pull/25525#discussion_r316417743
 
 

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 File path: docs/sql-ref-syntax-dml-dynamic-partition-insert.md
 ##########
 @@ -0,0 +1,79 @@
+---
+layout: global
+title: Dynamic Partition Inserts
+displayTitle: Dynamic Partition Inserts
+license: |
+  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.
+---
+
+### Description
+
+When the partition value is not provided, such inserts are called as the dynamic partition inserts, also called as multi-partition inserts. In partition spec, the partition column values are optional. When the values are not given, these columns are referred to as dynamic partition columns; otherwise, they are static partition columns. For example, the partition spec (p1 = 3, p2, p3) has a static partition column (p1) and two dynamic partition columns (p2 and p3).
 
 Review comment:
   @srowen I removed dynamic partition insert. I also looked closely to make sure other insert files are OK. Could you please review one more time?

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