Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1865#discussion_r164652496
--- Diff:
core/src/main/java/org/apache/carbondata/core/metadata/schema/table/DataMapClassName.java
---
@@ -0,0 +1,52 @@
+/*
+ * 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.carbondata.core.metadata.schema.table;
+
+/**
+ * type for create datamap
+ * The syntax of datamap creation is as follows.
+ * CREATE DATAMAP IF NOT EXISTS dataMapName ON TABLE tableName USING
'DataMapClassName'
+ * DMPROPERTIES('KEY'='VALUE') AS SELECT COUNT(COL1) FROM tableName
+ *
+ * Please refer {{org.apache.spark.sql.parser.CarbonSpark2SqlParser}}
+ */
+
+public enum DataMapClassName {
--- End diff --
If you mention name as `DataMapClassName` name then you should have class
names also as part of Enum. Like
```
DataMapClassName(int value, String shortName, String className)
```
---
