Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2366#discussion_r196310953
--- Diff:
integration/spark2/src/main/spark2.1/org/apache/spark/sql/CarbonVectorProxy.java
---
@@ -0,0 +1,240 @@
+/*
+ * 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.spark.sql;
+
+import java.math.BigInteger;
+
+import org.apache.carbondata.spark.vectorreader.CarbonSparkVectorReader;
+import org.apache.spark.memory.MemoryMode;
+import org.apache.spark.sql.catalyst.InternalRow;
+import org.apache.spark.sql.execution.vectorized.ColumnVector;
+import org.apache.spark.sql.execution.vectorized.ColumnarBatch;
+import org.apache.spark.sql.types.CalendarIntervalType;
+import org.apache.spark.sql.types.DataType;
+import org.apache.spark.sql.types.Decimal;
+import org.apache.spark.sql.types.DecimalType;
+import org.apache.spark.sql.types.StructField;
+import org.apache.spark.sql.types.StructType;
+import org.apache.spark.unsafe.types.CalendarInterval;
+import org.apache.spark.unsafe.types.UTF8String;
+
+public class CarbonVectorProxy implements CarbonSparkVectorReader {
--- End diff --
Add comment for this class and add annotation @InterfaceAudience.Internal
---
