Davis-Zhang-Onehouse commented on code in PR #11265:
URL: https://github.com/apache/hudi/pull/11265#discussion_r1608797800


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hudi-common/src/main/java/org/apache/hudi/avro/AvroLogicalTypeEnum.java:
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@@ -0,0 +1,42 @@
+/*
+ * 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.
+ */
+
+package org.apache.hudi.avro;
+
+public enum AvroLogicalTypeEnum {

Review Comment:
   added comments
   
   It is not a good idea to use the LogicalTypes because:
   1. There is no enum/const string from avro side that give us an overview of 
all logical types that avro support by default. The LogicalTypes are java 
class, which are not a good choice to use class as parameters and pass it 
everywhere.
   2. There are some logical types that the avro official doc claims have 
support (for example the uuid), while the avro lib of the same version does not 
have such logical type defined.
   3. Logical types are intended for extension from client side. In the future 
if new customized logical type to be added, the enum approach is more friendly 
to be extended.



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